2023
218. Bhowmik. S. H., S.N. Tripathi., et al., 2023, Contribution of fossil and biomass-derived secondary organic carbon to winter water-soluble organic aerosols in Delhi, India, Science of the Total Environment, 905,167155.https://doi.org/10.1016/j.scitotenv.2023.167155
217. Singh, A., S.N. Tripathi., et al., 2023, Wintertime Oxidation potential of PM2.5 over a big Urban city in the central Indo Gangatic Plain, Science of the Total Environment, 905,167155.https://doi.org/10.1016/j.scitotenv.2023.167155
216. Kohl, M., Lelieveld, J., Chowdhury, S., Ehrhart, S., Sharma, D., Cheng, Y., S. N. Tripathi., Sebastian, M., Pandithurai, G., Wang, H and Pozzer, A., 2023, Numerical simulation and evaluation of global ultrafine particle concentrations at the Earth’s surface, accepted for publication in EGUspheres, .https://doi.org/10.1029/2022JE007568
215.Haslett, S. L., Bell, D. M., Kumar, V., Slowik, J. G., Wang, D. S., Mishra, S., Rastogi, N., Singh, A., Ganguly, D., Thornton, J., Zheng, F., Li, Y., Nie, W., Liu, Y., Ma, W., Yan, C., Kulmala, M., Daellenbach, K. R., Hadden, D., Baltensperger, U., Prevot, A. S. H., S. N. Tripathi and Mohr, C., 2023, Nighttime NO emissions strongly suppress chlorine and nitrate radical formation during the winter in Delhi, Atmospheric Chemistry and Physics, 23, 9023–9036.https://doi.org/10.1029/2022JE007568
214.Molina-Cuberos, G.J., Witasse, O., Toledo, D and S.N. Tripathi, 2023, The Low- Altitude Ionosphere of the Ice Giant Planets, Journal of Geophysical Research:Planets, 128, e2022JE007568. https://doi.org/10.1029/2022JE007568
213.Mishra, S., S.N. Tripathi., Kanawade, V. P., Haslett, S.L., Dada, L., Ciarelli, G., Kumar,V., Singh, A., Bhattu, D., Rastogi, N., Daellenbach, K.R., Ganguly, D., Gargava,P., Slowik, J.G., Kulmala, M., Mohr, C., Imad El-Haddad and Prevot, A.S.H, 2023, Rapid night- time nanoparticle growth in Delhi driven by biomass-burning emissions, Nature geoscience, 16, 224–230, https://doi.org/10.1038/s41561-023-01138-x
212.Jain, V., S.N. Tripathi., Tripathi, N., Gupta, M., Sahu, L.K., Murari, V., Gaddamidi, S., Shukla, A.K and Prevot, A.S.H., 2023, Real-time measurements of NMVOCs in the central IGB, Lucknow, India: Source characterization and their role in O3 and SOA formation, Atmospheric Chemistry and Physics.https://doi.org/10.5194/acp-23-3383-2023
211. Ghosh, S., Dey, S., Das, S., Riemer, N., Giuliani, G., Ganguly, D., Venkataraman, C., Giorgi, F., S.N. Tripathi., Ramachandran, S., Rajesh, T. A., Gadhavi, H., and Srivastava, A. K., 2023, Towards an improved representation of carbonaceous aerosols over the Indian monsoon region in a regional climate model: RegCM, Geoscientific Model Development, 16, 1–15. https://doi.org/10.5194/gmd-16-1-2023
2022
210. Mukherjee, A., S.N. Tripathi., Kirpa, R and Saha, D., 2022, New Delhi air potentially chokes from groundwater conservation policies in adjoining regions, Environmental Science & Technology Letters. https://doi.org/10.1021/acs.estlett.2c00848
209. Khatri., P., Hayasaka, T., Holben, B.N., Singh, R.P., Letu, H and S.N. Tripathi., 2022, Increased aerosols can reverse Twomey effect in water clouds through radiative pathway, Scientific Reports, 12, 20666. https://doi.org/10.1038/s41598-022-25241-y
208. Sreekanth, V., Ajay, R., Padmavati, K., Puttaswamy, N., Prabhu, V., Agrawal, P., Upadhya, A., Rao, S., Sutaria, R., Suman, M., Dey, S., Khaiwal, R., Balakrishnan, K., S.N. Tripathi and Singh, P, 2022, Inter-versus Intra-city variation in the performance and calibration of low-cost PM2.5 sensor: A Multicity assessment in India, ACS Earth and Space Chemistry. https://doi.org/10.1021/acsearthspacechem.2c00257
207. Shukla, A.K., S.N. Tripathi., Canonaco, F., Lalchandani, V., Sahu, R., Srivastava, D, Dave, J., Thamban, M. N., Gaddamidi, S., Sahu, L., Kumar, M., Singh, V and Rastogi, N., 2022, Spatio-temporal variation of C-PM2.5 (composition based PM2.5) sources using PMF*PMF (double-PMF) and single-combined PMF technique on real-time non-refractory, BC and elemental measurements during post- monsoon and winter at two sites in Delhi, India, Atmospheric Environment, https://doi.org/10.1016/j.atmosenv.2022.119456
206. Puthussery, J.V., Dave, J., Shukla, A., Gaddamidi, S., Singh, A., Vats, P., Salana, S., Ganguly, D., Rastogi, N., S.N.Tripathi and Verma V., 2022, Effect of biomass burning, Diwali fireworks, and polluted fog events on the oxidative potential of fine ambient particulate matter in Delhi, India, Environmental Science & Technology . https://doi.org/10.1021/acs.est.2c02730
205. Bhowmik, H.S., S. N. Tripathi., Sahu, R., Shukla, A.K., Lalchandani, V., Talukdar, S., Tripathi, N and Sahu, 2022, Insights into the regional transport and local formation of Secondary Organic Aerosol in Delhi, India, Aerosol and Air Quality Research .https://doi.org/10.4209/aaqr.220113
204. Tripathi, N., Sahu, L.K., S.N. Tripathi, 2022, Characteristics of VOC composition at urban and suburban sites of New Delhi, India in winter, Journal of Geophysical Research, DOI: ttps://doi.org/10.1016/j.apr.2022.101428
203. Manchanda. C., Kumar, M., Singh, V., Hazarika, N., Faisal, M., Lalchandani, V., Shukla, A., Dave, J., Rastogi, N and S.N. Tripathi, 2022, Chemical speciation and source apportionment of ambient PM2.5 in New Delhi before, during, and after the Diwali fireworks, Atmospheric Pollution Research, 13, 101428, DOI: ttps://doi.org/10.1016/j.apr.2022.101428
202. Jain, V., S. N. Tripathi., Tripathi, N., Sahu, L., Gaddamidi, S., Kumar Shukla, A.S., Bhattu, D and Ganguly, D, 2022, Seasonal variability and source apportionment of non-methane VOCs using PTR-TOF-MS measurements in Delhi, India, Atmospheric Environment , Volume 283, 119163, DOI: https://doi.org/10.5194/amt-2021-191
201. Kumar, S., Mishra, G., Kumar, M., Saud, T., Dwivedi, A.K., Kumar, S and S.N. Tripathi, 2022 , Response of PDPA to optical materials and thickness of test section window, Measurements,197 , 111317, DOI: https://doi.org/10.5194/amt-2021-191
200. Kumar, V., Giannoukos, S., S.N. Tripathi., et al., 2022, Real-time chemical speciation and source apportionment of organic aerosol components in Delhi, India, using extractive electrospray ionization mass spectrometry, accepted for publication in Atmospheric Chemistry and Physics, DOI: https://doi.org/10.5194/amt-2021-191
199. Bhowmik, H. S., Shukla, A., Lalchandani, V., S.N. Tripathi et al., 2022, Inter-comparison of online and offline methods for measuring ambient heavy and trace elements and water-soluble inorganic ions (NO3−, SO42−, NH4+ and Cl−) in PM2.5 over a heavily polluted megacity, Delhi, Atmospheric Measurement Techniques, DOI: https://doi.org/10.5194/amt-2021-191
198. Mariam., Joshi, M., Khan, A., Mishra, G., S.N. Tripathi and Sapra, B.K., 2022, Experimental estimates of hygroscopic growth of particulate fission product species (mixed Csl-CsOH) with implications in reactor accident safety research, Progress in Nuclear Energy , DOI: https://doi.org/10.5194/amt-2021-191
197. Yadav, K., S. N. Tripathi et al., 2022, Few-shot calibration of low-cost air pollution (PM2.5) sensors using meta-learning ,IEEE Sensors Letters, DOI: 10.1109/LSENS.2022.3168291
196. Sarangi, C., Chakraborty, T.C., S.N. Tripathi et al.,2022, Observations of aerosol–vapor pressure deficit–evaporative fraction coupling over India, Atmospheric Chemistry and Physics, 22, 3615–3629, DOI: https://doi.org/10.5194/acp-22-3615-2022
195. Yadav, Shweta, S.N. Tripathi et al., 2022, Current status of Source apportionment of Ambient Aerosols in India, Atmospheric Environment, https://doi.org/10.1016/j.atmosenv.2022.118987
2021
194. Khatri, P., Hayasaka, T., Holben, B., S. N. Tripathi., Misra, P., Patra, P. K., Hayashida, S and Dumka U. C., 2021, Aerosol loading and radiation budget , perturbations in densely populated and highly polluted Indo-Gangetic Plain by COVID-19: Influences on cloud properties and air temperature. Geophysical Research Letters, 48, e2021GL093796DOI: 10.1029/2021JD035232.
193. Lalchandani, V., D. Srivastava, S.N. Tripathi et al., 2021, Effect of biomass burning on the PM2.5 composition and secondary aerosol formation during post-monsoon and winter haze episodes in Delhi, Journal of Geophysical Research – Atmospheres,127, DOI: 10.1029/2021JD035232.
192. Jangid, Manish, Amit K. Mishra, S.N. Tripathi et al., 2021, Observation of aerosol induced ‘lower tropospheric cooling’ over Indian core monsoon region, , Environmental Research Letters, 16, 124057, DOI: 10.1088/1748-9326/ac3b7a.
191. Talukdar, S., S.N. Tripathi et al., 2021, Air Pollution in New Delhi during Late Winter: An Overview of a Group of Campaign Studies Focusing on Composition and Sources, Atmosphere, 12, 1432, DOI: 10.3390/atmos12111432
190. Ginn, O., S.N. Tripathi et al., 2021, Detection and quantification of enteric pathogens in aerosols near open wastewater canals in cities with poor sanitation, Environmental Science and Technology, 55, 14758-14771, DOI: 10.1101/2021.02.14.21251650.
189. Khatri, P., S.N. Tripathi et al., 2021, Aerosol Loading and Radiation Budget Perturbations in Densely Populated and Highly Polluted Indo-Gangetic Plain by COVI D-19: Influences on Cloud Properties and Air Temperature, Geophysical Research Letters,48, DOI: 10.1029/2021GL093796.
188. Jha, S.K., Mohit Kumar, S.N. Tripathi, et al., 2021, Domain adaptation based deep calibration of low-cost PM2.5 sensors, IEEE Sensor Journal, DOI: 10.1109/JSEN.2021.3118454
187. Thamban, N., S. N. Tripathi et al., 2021, Evolution of size and composition of fine particulate matter in the Delhi megacity during later winter, Atmospheric Environment, 207, 118752, DOI: 10.1016/j.atmosenv.2021.118752.
186. Niranjan, R., K.P. Mishra, S.N. Tripathi and A.K. Thakur, 2021, Proliferation of lung Epithelial cells is regulated by the mechanisms of autophagy upon exposure of soots, Frotiers in Cell and Developmental Biology, 9:662597, DOI: 10.3389/fcell.2021.662597.
185. Shukla, A.K., V. Lalchandani, S.N. Tripathi et al., 2021, Real-time quantification and source apportionment of fine particulate matter including organics and elements in Delhi during summertime, Atmospheric Environment, 261, 118598, DOI: 10.1016/j.atmosenv.2021.118598.
184. Rastogi, N., Rangu Satish, S.N. Tripathi et al., 2021, Diurnal variability in the spectral characteristics and sources of water-soluble brown carbon aerosols over Delhi, Science of the Total Environment, 794, 148589, DOI: 10.1016/j.scitotenv.2021.148589.
183. Mishra, G., S.N. Tripathi et al., 2021, Interaction of cesium bound fission product compounds (CsI and CsOH) with abundant inorganic compounds of atmosphere: Effect on hygroscopic growth properties, Journal of Hazardous Materials, 418, 126356, DOI: 10.1016/j.jhazmat.2021.126356.
182. Ghosh K., S.N. Tripathi et al., 2021, Effect of charge on aerosol microphysics of particles emitted from a hot wire generator: Theory and experiments, Aerosol Science & Technology, DOI: 10.1080/02786826.2021.1931011.
181. Manchanda, C., M. Kumar, S.N. Tripathi et al., 2021,Variation in chemical composition and sources of PM2.5 during the COVID-19 lockdown in Delhi, Environmental International, 153, 106541, DOI: 10.1016/j.envint.2021.106541.
180. Mishra, G., K. Ghosh, S.N. Tripathi et al., 2021, An application of probability density function for the analysis of PM2.5 concentration during the COVID-19 lockdown period, Science of the Total Environment, 782, 146681, DOI: 10.1016/j.scitotenv.2021.146681.
179. Vohra, Karn, S.N. Tripathi et al., 2021, Long-term trends in air quality in major cities in the UK and India: A view from space, Atmospheric Chemistry and Physics, 21, 6275-6296: doi: 10.5194/acp-21-6275-2021.
178. Singh, Atinderpal, Neeraj Rastogi, S.N. Tripathi et al., 2021, Sources and characteristics of light-absorbing fine particulates over Delhi through the synergy of real-time optical and chemical measurements, Atmospheric Environment, accepted for publication, 252, 118338, DOI: 10.1016/j.atmosenv.2021.118338.
177. Ram, K., Thakur, R.C., S.N. Tripathi et al., 2021, Why airborne transmission hasn’t been conclusive in case of COVID-19? An atmospheric science perspective, Science of the Total Environment, 773, 145525, DOI: 10.1016/j.scitotenv.2021.145525.
176. Lalchandani, V., V. Verma, S.N. Tripathi et al., 2021, Real-time characterization and source apportionment of fine particulate matter in the Delhi megacity area during late winter, Science of the Total Environment, 770, 145324, DOI: 10.1016/j.scitotenv.2021.145324.
175. Upadhyaya, D., J. Evans, S.N. Tripathi et al., 2021, The Indian COSMOS Network (ICON): validating remotely sensed and modelled soil moisture data products, Remote Sensing, 13(3), 537, DOI: 10.3390/rs13030537.
174. Ginn, O., D. Berendes, S.N. Tripathi et al., 2021, Open waste canals as potential sources of antimicrobial resistance genes in aerosols in urban Kanpur, India, American Journal of Tropical Medicine & Hygiene, 104(5), 1761-1767, DOI: 10.4269/ajtmh.20-1222.
173. Rai, P., S.N. Tripathi et al., 2021, Highly time-resolved measurements of element concentrations in PM10 and PM2.5: Comparison of Delhi, Beijing, London, and Krakow, Atmospheric Chemistry and Physics, 21, 717–730, DOI: 10.5194/acp-21-717-2021.
172. Bhowmik, H.S., S. Naresh, S.N. Tripathi et al., 2021,Temporal and spatial variability of carbonaceous species (EC; OC; WSOC and SOA) in PM2.5 aerosol over five sites of Indo-Gangetic Plain, Atmospheric Pollution Research, 12, 375-390, DOI: 10.1016/j.apr.2020.09.019.
2020
171. Goel, V., S.N. Tripathi et al., 2020, Variations in black carbon concentration and sources during COVID-19 lockdown in Delhi, Chemosphere, 270, 129435, DOI: 10.1016/j.chemosphere.2020.129435.
170. Choudhury, G., S.N. Tripathi et al., 2020, Aerosol-enhanced high precipitation events near the Himalayan foothills, Atmospheric Chemistry and Physics, 20, 15389-15399, DOI: 10.5194/acp-20-15389-2020.
169. Sahu, R., S.N. Tripathi et al., 2020, Robust statistical calibration and characterization of portable low-cost air quality monitoring sensors to quantify real-time O3 and NO2 concentrations in diverse environments, Atmospheric Measurement Techniques, 14, 37-52, DOI: /10.5194/amt-14-37-2021.
168. McNeill, J., S.N. Tripathi et al., 2020, Large global variations in measured airborne metal concentrations driven by anthropogenic sources, Scientific Reports, 10, Article number: 21817, DOI: 10.1038/s41598-020-78789-y.
167. Gautam, A.S., S.N. Tripathi et al., 2020, First surface measurement of variation of Cloud Condensation Nuclei (CCN) concentration over the Pristine Himalayan region of Garhwal, Uttarakhand, India, Atmospheric Environment, 246, 118123, DOI: 10.1016/j.atmosenv.2020.118123.
166. Tobler, A., S.N. Tripathi et al., 2020, Chemical characterization of PM2.5 and source apportionment of organic aerosol in New Delhi, India, Science of the Total Environment, 745, 140924, DOI: 10.1016/j.scitotenv.2020.140924.
165. Johnson, A., J.M. Brown, O. Ginn, S.N. Tripathi et al., 2020, Extended-spectrum beta-lactamase (ESBL)-positive Escherichia coli presence in urban aquatic environments in Kanpur, India, Journal of Water and Health, 18 (5), 849–854, DOI: 10.2166/wh.2020.065.
164. Sembhi, H., M. Wooster, S.N. Tripathi et al., 2020, Post-monsoon air quality degradation across Northern India: assessing the impact of policy-related shifts in timing and amount of crop residue burnt, Environmental Research Letters, 15, 104067, DOI: 10.1088/1748-9326/aba714.
163. Wang, L., Jay G. Slowik, S.N. Tripathi et al., 2020, Source characterization of volatile organic compounds measured by PTR-ToF-MS in Delhi, India, Atmospheric Chemistry and Physics, 20, 9753-9770, DOI: 10.5194/acp-20-9753-2020.
162. Rai, P., Markus Furger, S.N. Tripathi et al., Real-time measurement and source apportionment of elements in Delhi’s atmosphere, Science of the Total Environment, 741, 140332, DOI: 10.1016/j.scitotenv.2020.140332.
161. Puthussery, J., A. Singh, S.N. Tripathi et al., Real-time measurements of PM2.5 oxidative potential using dithiothreitol (DTT) assay in Delhi, India, Environmental Science & Technology, Letters, 7, 504-510, DOI: 10.1021/acs.estlett.0c00342.
160. Singh, R.K. and S.N. Tripathi, 2020, Application of National Aerosol Facility (NAF) in designing of a ventilation system forisolation rooms to minimize interpersonal exposure of sneezing/coughing, Transactions of the Indian National Academy of Engineering, DOI: 10.1007/s41403-020- 00102-0.
159. Kanawade, V.P., S.N. Tripathi et al., Chemical characterisation of sub–micron aerosols during new particle formation in an urban atmosphere, Aerosol and Air Quality Research, 20: 1294–1305. DOI: 10.4209/aaqr.2019.04.0196
158. Dwivedi, A.K., Manish Kumar, S.N. Tripathi et al., 2020, Optimization of controlling parametersof plasma torch aerosol generator and characteristics of synthesized metal oxide aerosols in context of NAF program, Progress in Nuclear Energy, 123, 103311, DOI: 10.1016/j.pnucene.2020.103311.
157. Sahu, R., Kuldeep K. Dixit, S.N. Tripathi et al., 2020, Validation of low-cost sensors in measuring real-time Validation of low-cost sensors in measuring real-time PM10 concentration at two sites in Delhi national capital region, Sensors, 20, 1347, DOI:10.3390/s20051347.
156. Mishra, G., S.N. Tripathi et al., 2020, Study on CCN activity of fission product aerosols (CsI and CsOH) and their effect on size and other properties, Atmospheric Research, 236, DOI:10.1016/j.atmosres.2019.104816.
155. Mandariya, A.K., S.N. Tripathi et al., 2020, Wintertime hygroscopic growth factors (HGFs) of accumulation mode particles and their linkage to chemical composition in a heavily polluted urban atmosphere of Kanpur at the centre of IGP, India: Impact of ambient relative humidity, Science of the Total Environment, 704, DOI: 10.1016/j.scitotenv.2019.135363.
2019
154. Bhat, G.S., S.N. Tripathi et al., Spatial and temporal variability in energy and water vapor fluxes observed at seven sites on the Indian subcontinent during 2017, Quarterly Journal of Meteorological Society , 1-14, DOI:10.1002/qj.3688, 2019.
153. Ghosh, K., S.N. Tripathi et al., 2019, Particle formation from vapors emitted from glowing wires: Theory and experiments, Aerosol Science & Technology, 54(3), 243-261, DOI: 10.1080/02786826.2019.1688758.
152. Zheng, T., S.N. Tripathi et al., Gaussian Process regression model for dynamically calibrating and surveilling a wireless low-cost particulate matter sensor network in Delhi, Atmospheric Measurement and Techniques , 12(9), 5161–5181, DOI: 10.5194/amt-12-5161-2019, 2019.
151. Brauer, M., S.K. Guttikunda, S.N. Tripathi et al., Examination of monitoring approaches for ambient air pollution: A case study for India Article Type: VSI: Filling the data gaps corresponding, Atmospheric Environment, 216, 116940, DOI: 10.1016/j.atmosenv.2019.116940, 2019.
150. Turner, A, S.N. Tripathi et al., Interaction of convective organisation with monsoon precipitation, atmosphere, surface and sea: The 2016 INCOMPASS field campaign in India , Quarterly Journal of the Royal Meteorological Society, 1-25, DOI: 10.1002/qj.3633, 2019.
149. Choudhury, G., Bhishma Tyagi, S.N. Tripathi et al., Aerosol-orography-precipitation – A critical assessment, Atmospheric Environment, 214, 116831, DOI: 10.1016/j.atmosenv.2019.116831, 2019
148. Brattich, E., E. Serranocastillo, S.N. Tripathi et al., Measurements of aerosols and charged particles on the BEXUS18 stratospheric balloon, Annales Geophysicae , 37, 389-403, DOI: 10.5194/angeo-37-389-2019, 2019.
147. Dwivedi, A.K., A. Khan, S.N. Tripathi et al., Aerosol depositional characteristics in piping assembly under varying flow conditions, Progress in Nuclear Energy, 116, 148-157, DOI: 10.1016/j.pnucene. 2019.04.007, 2019.
146. Thamban, N.M., B. Joshi, S.N. Tripathi et al., Evolution of aerosol size and composition in the Indo-Gangetic plain: Size-resolved analysis of high-resolution aerosol mass spectra , ACS Earth and Space Chemistry , DOI: 10.1021/acsearthspacechem.8b00207, 2019.
145. Mishra, G., A.K. Mandariya, S.N. Tripathi et al., Hygroscopic growth of CsI and CsOH particles in context of nuclear reactor accident research, Journal of Aerosol Science , 132, 60-69, DOI:10.1016/j.jaerosci.2019.03.008, 2019.
144. Mandariya, A.K., T. Gupta and S.N. Tripathi, Effect of aqueous-phase processing on the formation and evolution of Organic Aerosol (OA) under different stages of fog life cycles, Atmospheric Environment , 206, 60-71, DOI: 10.1016/j.atmosenv.2019.02.047, 2019.
143. Zhang, S.Y., S.N. Tripathi et al., Intensive allochthonous inputs along the Ganges River and their effect on microbial community composition and dynamics, Environmental Microbiology, 21(1), 182-196, DOI: 10.1111/1462-2920.14439, 2019.
2018
142. Weagle, C.L., G. Snider, S.N. Tripathi et al., 2018, Global sources of fine particulate matter: Interpretation of PM2.5 chemical composition observed by SPARTAN using a global chemical transport model,Environmental Science & Technology, 52 (20), 11670-11681, DOI: 10.1021/acs.est.8b01658, 2018.
141. Sarangi, C., Vijay P. Kanawade, S.N. Tripathi et al., Aerosol-induced intensification of cooling effect of clouds during Indian summer monsoon, Nature Communication, 9, DOI:10.1038/s41467-018-06015-5, 2018.
140. Zheng, T., S.N. Tripathi et al., 2018, Field evaluation of low-cost particulate matter sensors in high and low concentration environments, Atmospheric Measurement Techniques, 11(8), 4823–4846, DOI: 10.5194/amt-11-4823-2018, 2018.
139. Chakraborty, T., C. Sarangi, S.N. Tripathi et al., 2018, ” Biases in model-simulated surface energy fluxes during the Indian monsoon onset period”, Boundary-Layer Meteorology, 170(2), 323-348, DOI:10.1007/s10546-018-0395-x, 2018.
138. Trent, M, R. Dreibelbis, A. Bir, S.N. Tripathi et al., Access to household water quality information leads to safer water: a cluster randomized controlled trial in India, Environmental Science & Technology, 52(9), 5319-5329, DOI: 10.1021/acs.est.8b00035, 2018.
137. Sarangi, C., S.N. Tripathi et al., Aerosol and urban land use effect on rainfall around cities in Indo-Gangetic Basin from observations and cloud resolving model simulations, Journal of Geophysical Research – Atmospheres, 123, 3645-3667, DOI: 10.1002/2017JD028004, 2018.
136. George, G, C. Sarangi, S.N. Tripathi, T. Chakraborty and A. Turner, Vertical structure and radiative forcing of monsoon clouds over Kanpur during the 2016 INCOMPASS field campaign, Journal of Geophysical Research – Atmospheres, 123, 2152-2174, DOI: 10.1002/2017JD027759, 2018.
135. Chakraborty, A., S.N. Tripathi et al., Realtime chemical characterization of post monsoon organic aerosols in a polluted urban city: sources, composition, and comparison with other seasons, Environmental Pollution, 232, 310-321, DOI: 10.1016/j.envpol.2017.09.079, 2018.
134. Shamjad, P.M., S.N. Tripathi et al., Absorbing refractive index and direct radiative forcing of atmospheric brown carbon over Gangetic Plain, ACS Earth and Space Chemistry, 2(1), 31-37, DOI: 10.1021/acsearthspacechem.7b00074, 2018.
133. Holben, B.N., S.N. Tripathiet al., An overview of mesoscale aerosol processes, comparison and validation studies from DRAGON networks, Atmospheric Chemistry and Physics, 18, 655-671, DOI: 10.5194/acp-18-655-2018, 2018.
2017
132. Mhawish, A., T. Banerjee, D.M. Broday, A. Misra and S.N. Tripathi, Evaluation of MODIS collection 6 aerosol retrieval algorithms over Indo-Gangetic Plain: Implications of aerosols types and mass loading, Remote Sensing of Environment, 201, 297-313., DOI: 10.1016/j.rse.2017.09.016, 2017.
131. Thamban, N. M., S.N. Tripathiet al., Internally mixed black carbon in the Indo-Gangetic Plain and its effect on absorption enhancement, Atmospheric Research, 197, 211-223, DOI: 10.1016/j.atmosres.2017.07.007, 2017.
130. Lal, S., S. Venkataramani, S.N. Tripathi et al., Loss of crop yields in India due to surface ozone: An estimation based on a network of observations, Environmental Science and Pollution Research, 24(26), 20972-20981, DOI: 10.1007/s11356-017-9729-3., 2017.
129. Mishra, S.K., N. Saha, S.N. Tripathi et al., Morphology, mineralogy and mixing of individual atmospheric particles over Kanpur (IGP): Relevance of homogeneous equivalent sphere approximation in radiative models, MAPAN-Journal of Metrology Society of India, 32(3), 229-241, DOI: 10.1007/s12647-017-0215-7,2017.
128. Satish, R., P. Shamjad, N. Thamban, S.N. Tripathi and N. Rastogi, Temporal characteristics of brown carbon over the central Indo-Gangetic Plain, Environmental Science & Technology, 51(12), 6765–6772, DOI: 10.1021/acs.est.7b00734, 2017
127. Chowdhury, S., S. Dey, S.N. Tripathi et al., “Traffic intervention” policy fails to mitigate air pollution in megacity Delhi, Environmental Science and Policy, 74, 8-13, DOI: 10.1016/j.envsci.2017.04.018, 2017.
126. Sarangi, C., S.N. Tripathi et al., Investigation of aerosol-cloud-rainfall association over Indian Summer Monsoon region, Atmospheric Chemistry and Physics, 17, 5185–5204, DOI: 10.5194/acp-17-5185-2017,2017.
125. Dimri, A.P., S.N. Tripathi et al., Cloudbursts in Indian Himalayas: A review, Earth Science Reviews, 168, 1-23, DOI: 10.1016/j.earscirev.2017.03.006, 2017.
124. Yu, H., L. Dai, Y. Zhao, V.P. Kanawade, S.N. Tripathi et al., Laboratory observations of temperature and humidity dependencies of nucleation and growth rates of sub-3 nm particles, Journal of Geophysical Research – Atmospheres, 122(3), 1919-1929, DOI: 10.1016/j.earscirev.2017.03.006, 2017.
123. Soni, P., S.N. Tripathi and R. Srivastava, Radiative effects of black carbon aerosols on Indian monsoon: A study using WRF-Chem model, Theoretical and Applied Climatology, 132(1-2), 115-134, DOI: 10.1007/s00704-017-2057-1, 2017.
122. Vohra, K., K. Ghosh, S.N. Tripathi et al., 2017, Submicron particle dynamics for different surfaces under quiescent and turbulent conditions, Atmospheric Environment, 152, 330-344, DOI: 10.1016/j.atmosenv.2016.12.013, 2017.
121. Chakraborty, A, S.N. Tripathi and T. Gupta, Effect of organic aerosol loading and fog processing on organic aerosol volatility, Journal of Aerosol Science, 105, 73-83, DOI: 10.1016/j.jaerosci.2016.11.015, 2017.
120. Ghosh, K., S.N. Tripathi et al., Modeling studies on coagulation of charged particles and comparison with experiment, Journal of Aerosol Science, 105, 35-47, DOI: 10.1016/j.jaerosci.2016.11.019, 2017
2016
119. Chakraborty, T., C. Sarangi andS.N. Tripathi, Understanding diurnality and inter-seasonality of a sub-tropical urban heat-island, Boundary-Layer Meteorology, 163(2), 287-309, DOI: 10.1007/s10546-016-0223-0, 2016.
118. Shamjad, P.M., S.N. Tripathi, N. Thamban and V. Heidi, Refractive index and absorption attribution of highly absorbing brown carbon aerosols from an Urban Indian City-Kanpur, Scientific Reports 6, 37735, DOI: 10.1038/srep37735, 2016.
117. Cardnell, S., S.N. Tripathi, et al., A photochemical model of the dust-loaded ionosphere of Mars, , Journal of Geophysical Research–Planets, 121(11), 2335-2348, DOI: 10.1002/2016JE 005077, 2016.
116. Sen, I. S., S.N. Tripathi, et al., Emerging Airborne Contaminants in India: Platinum group elements from catalytic converters in motor vehicles, Applied Geochemistry, 75, 100-106, DOI: 10.1016/j.apgeochem.2016.10.006, 2016.
115. Vreeland, H., J.J. Schauer, A.G. Russell, S.N. Tripathi et al., Chemical characterization and toxicity of particulate matter emissions from roadside trash combustion in urban India, Atmospheric Environment, 147, 22-30, DOI: 10.1016/j.atmosenv.2016.09.041, 2016.
114. Lal, R. M., A. Nagpure, L. Luo, S.N. Tripathi, et al., Municipal solid waste and dung cake burning: Discoloring the Taj Mahal and human health impacts in Agra, Environmental Research Letters, 11, 104009, DOI: 10.1088/1748-9326/11/10/104009, 2016.
113. Kumar, B., A. Chakraborty, S.N. Tripathi and D. Bhattu, Highly time resolved chemical characterization of submicron organic aerosols at a polluted urban location, Environmental Science: Processes & Impacts, 18, 1285, DOI: 10.1039/c6em00392c, 2016
112. Chakraborty, A., S.N. Tripathi and T. Gupta, Combined effects of organic aerosol loading and fog processing on organic aerosols oxidation, composition, and evolution, Science of the Total Environment, 573, 690-698, DOI: 10.1016/j.scitotenv.2016.08.156,2016
111. Bhattu, D., S.N. Tripathi and A. Chakraborty, Deriving aerosol hygroscopic mixing state from size-resolved CCN activity and HR-ToF-AMS measurements, Atmospheric Environment, 142, 57-70, DOI: 10.1016/j.atmosenv.2016.07.032, 2016
110. Misra, A., V. P. Kanawade, and S.N. Tripathi, Quantitative assessment of AOD from 17 CMIP5 models based on satellite derived AOD over India, Annales Geophysicae, 34, 657-671, DOI: 10.5194/angeo-34-657-2016, 2016.
109. Snider, G., S.N. Tripathi et al., Variation in global chemical composition of PM2.5: Emerging results from SPARTAN, Atmospheric Chemistry and Physics, 16, 9629-9653, DOI: 10.5194/acp-16-9629-2016, 2016.
108. Sarangi, C., S.N. Tripathi, A. K, Mishra et al., Elevated aerosol layers and their radiative impact over Kanpur during monsoon onset period, Journal of Geophysical Research–Atmospheres, 121, 7936-7957, DOI: 10.1002/2015JD024711, 2016
107. Chakraborty, A., T. Gupta and S.N. Tripathi, Chemical composition and characteristics of ambient aerosols and rainwater residues during Indian summer monsoon: Insight from aerosol mass spectrometry, Atmospheric Environment, 136, 144-155, DOI: 10.1016/j.atmosenv.2016.04.024, 2016.
106. Chakraborty, A., B. Ervens, T. Gupta and S.N. Tripathi, Characterization of organic residues of size-resolved fog droplets and their atmospheric implications, Journal of Geophysical Research, 121, 4317-4332, DOI: 10.1002/2015JD024508, 2016.
105. Harrison, R.G., S.N. Tripathi et al., Applications of electrified dust and dust devil electrodynamics to Martian atmospheric electricity, Space Science Reviews, 203(1-4), 299-345, DOI: 10.1007/s11214-016-0241-8, 2016.
104. Kumar, N., S.N. Tripathi et al., Delhi’s air pollution (Re) distribution and air quality regulations, Environmental Policy and Law, 46(1), 77-86, DOI: 10.3233/EPL-46105, 2016
103. Sen, I.S., M. Bizimis, S.N. Tripathi and D. Paul, Lead isotopic fingerprinting of aerosols to characterize the sources of atmospheric lead in an industrial city of India, Atmospheric Environment, 129, 27–33, DOI: 10.1016/j.atmosenv.2016.01.005, 2016.
102. Ram, K., S. Singh, M.M. Sarin, A.K. Srivastava and S.N. Tripathi, Variability in aerosol optical properties over an urban site, Kanpur, in the Indo-Gangetic Plain: A case study of haze and dust events, Atmospheric Research, 174-175, 52-61, DOI: 10.1016/j.atmosres.2016.01.014, 2016.
101. Tiwari, S., P. K. Hopke, D. Thimmaiah, S.N. Tripathi, et al., Nature and sources of ionic species in precipitation across the Indo-Gangetic Plains, India, Aerosol and Air Quality Research, 16(4), 943-957, DOI: 10.4209/aaqr.2015.06.0423, 2016.
2015
100. Arola, A., S.N. Tripathi et al., Direct radiative effect by brown carbon over Indo-Gangetic Plain, Atmospheric Chemistry and Physics, 15(22), 12731-12740, DOI: 10.5194/acp-15-12731-2015, 2015.
99. Sarangi, C., S.N. Tripathi, S. Tripathi and M.C. Barth, Aerosol-cloud associations over Gangetic Basin during a typical monsoon depression event using WRF-Chem simulation, Journal of Geophysical Research – Atmospheres, 120(20), 10974-10995, DOI: 10.1002/2015JD023634, 2015.
98. Shamjad, P.M., S.N. Tripathi et al., Contribution of brown carbon to direct radiative forcing over the Indo-Gangetic Plain, Environmental Science & Technology, 49 (17), 10474-10481, DOI: 10.1021/acs.est.5b03368, 2015.
97. Lalchandani, V., S.N. Tripathi, N. Ramanathan et al., Recommendations for calibration factors for a photo-reference method for aerosol black carbon concentrations, Atmospheric Pollution Research, 7(1), 75-81, DOI: 10.1016/j.apr.2015.07.007, 2015.
96. Chakraborty, A., D. Bhattu, T. Gupta, S.N. Tripathi and M. Canagaratna, Real-time measurements of ambient aerosols in a polluted Indian city: sources, characteristics and processing of organic aerosols during foggy and non-foggy periods, Journal of Geophysical Research – Atmospheres, 120(17), 9006-9019, DOI: 10.1002/2015JD023419, 2015.
95. Kamra, A.K., Singh, D., S.N. Tripathi et al., Atmospheric ions and new particle formation events at a tropical location, Pune, India, Quarterly Journal of Royal Meteorological Society, 141, 3140-3156, DOI: 10.1002/qj.2598, 2015.
94. Chaudhuri, C., S.N. Tripathi, R. Srivastava and A. Misra, Observation- and numerical-analysis-based dynamics of the Uttarkashi cloudburst, Annales Geophysicae, 33(6), 671-686, DOI: 10.5194/angeo-33-671-2015, 2015.
93. Patange, O. S., N. Ramanathan, S.N. Tripathi et al., Reductions in indoor black carbon concentrations from improved biomass stoves in rural India, Environmental Science & Technology, 49(7), 4749-4756, DOI: 10.1021/es506208x, 2015.
92. Snider, G., C.L. Weagle, R.V. Martin, S.N. Tripathi et al., SPARTAN: a global network to evaluate and enhance satellite-based estimates of ground-level particulate matter for global health applications, Atmospheric Measurement Techniques, 8(1), 505-521, DOI: 10.5194/amt-8-505-2015, 2015.
91. Bhattu, D. and S.N. Tripathi, CCN closure study: effects of aerosol chemical composition and mixing state, Journal of Geophysical Research-Atmospheres, 120, 766-783, DOI: 10.1002/2014JD021978, 2015.
90. Bergin, M.H., S.N. Tripathi et al., The discoloration of the Taj Mahal due to particulate carbon and dust deposition, Environmental Science & Technology, 49 (2), 808-812, DOI: 10.1021/es504005q, 2015, [ Cover Page] [Media Coverage].
89. Villalobos, A.M., S.N. Tripathi et al., Source apportionment of carbonaceous fine particulate matter (PM2.5) in two contrasting cities across the Indo-Gangetic Plain, Atmospheric Pollution Research, 6(3), 398-405, DOI: 10.5094/APR.2015.044, 2015.
2014
88. Gaur, A., S.N. Tripathi et al., Four-year measurements of trace gases (SO2, NOx, CO, and O3) at an urban location, Kanpur, in Northern India, Journal of Atmospheric Chemistry, 71(4), 283-301, DOI 10.1007/s10874-014-9295-8, 2014.
87. Dumka, U.C., Bhattu, D., S.N. Tripathi et al., Seasonal inhomogeneity in cloud precursors over Gangetic Himalayan region during GVAX campaign, Atmospheric Research, 155, 158-175, DOI: 10.1016/j.atmosres.2014.11.022, 2014.
86. Kedia, S., S.N. Tripathi et al., Quantification of aerosol type, and sources of aerosols over the Indo-Gangetic Plain, Atmospheric Environment, 98, 607-619, DOI: 10.1016/j.atmosenv.2014.09.022, 2014.
85. Misra, A., A. Gaur, S.N. Tripathi et al., An overview of the physico-chemical characteristics of dust at Kanpur in the central Indo-Gangetic Basin, Atmospheric Environment, 97, 386-396, DOI: 10.1016/j.atmosenv.2014.08.043, 2014.
84. Kanawade, V.P., S.N. Tripathi, et al., Observations of new particle formation at two distinct Indian subcontinental urban locations, Atmospheric Environment, 90, 370-379, DOI: 10.1016/j.atmosenv.2014.08.001, 2014.
83. Huttunen, J., S.N. Tripathi et al., Effect of water vapour on the determination of Aerosol Direct Radiative Effect based on the AERONET fluxes, Atmospheric Chemistry and Physics, 14(12), 6103-6110, DOI: 10.5194/acp-14-6103-2014, 2014.
82. Kanawade, V. P., S.N. Tripathi, D. Bhattu and P.M. Shamjad, Sub-micron particle number size distributions characteristics at an urban location, Kanpur, in the Indo-Gangetic Plain, Atmospheric Research, 147-148, 121-132, DOI: 10.1016/j.atmosres.2014.05.010, 2014.
81. Mishra, A., M. Michael, S.N. Tripathi, C. Béghin, Revisited modeling of Titan’s middle atmosphere electrical conductivity, Icarus, 238, 230-234, DOI: 10.1016/j.icarus.2014.04.018, 2014.
80. Dumka, U.C., S.N. Tripathi, A. Misra, D.M. Giles, T.F. Eck, R. Sagar and B.N. Holben, Latitudinal variation of aerosol properties from Indo Gangetic Plain (IGP) to central Himalayan foothills during TIGERZ campaign, Journal of Geophysical Research-Atmospheres, 119, 4750-4769, DOI: 10.1002/2013JD021040, 2014.
79. Ram, K., S.N. Tripathi, M.M. Sarin and D. Bhattu, Primary and secondary aerosols from an urban site (Kanpur) in the Indo-Gangetic Plain: Influence on CCN, CN concentrations and optical properties, Atmospheric Environment, 89, 655-663, DOI: 10.1016/j.atmosenv.2014.02.009, 2014.
78. Kaul, D.S., T. Gupta and S.N. Tripathi, Source apportionment for water soluble organic matter of submicron aerosol: A comparison between foggy and nonfoggy episodes, Aerosol and Air Quality Research, 14, 1527-3, DOI: 10.4209/aaqr.2013.10.0319, 2014.
77. Bhattu, D. and S.N. Tripathi, Inter-seasonal variability in size-resolved CCN properties at Kanpur, India, Atmospheric Environment, 85, 161-168, DOI: 10.1016/j.atmosenv.2013.12.016, 2014.
76. Ghosh, S. and S.N. Tripathi et al., Chemical characterization of summertime dust events at Kanpur: Insight into the sources and level of mixing with anthropogenic emissions, Aerosol and Air Quality Research, 14, 879-891, DOI: 10.4209/aaqr.2013.07.0240, 2014.
2013
75. Renard, J.B., S.N. Tripathi et al., In situ detection of electrified aerosols in the upper troposphere and stratosphere, Atmospheric Chemistry and Physics, 13, 1-8, DOI: 10.5194/acp-13-7895-2013, 2013.
74. Arola, A., T.F. Eck, S.N. Tripathi et al., Influence of observed diurnal cycles of aerosol optical depth on aerosol direct radiative effect, Atmospheric Chemistry and Physics, 13, 7895-7901, DOI: 10.5194/acp-13-7895-2013, 2013
73. Srivastava, M., S.N. Tripathi, D. Bhattu, et al., CCN closure results from Indian Continental Tropical Convergence Zone (CTCZ) Aircraft experiment, Atmospheric Research, 132-133, 322-331, DOI: 10.1016/j.atmosres.2013.05.025, 2013.
72. Kaskaoutis, D.G., S.N. Tripathi et al., Aerosol properties and radiative forcing over Kanpur during severe aerosol loading conditions, Atmospheric Environment, 79, 7-19, DOI: 10.1016/j.atmosenv.2013.06.020, 2013.
71. Rawal, A., S.N. Tripathi et al., Quantifying the importance of galactic cosmic rays in cloud microphysical processes, Journal of Atmospheric and Solar-Terrestrial Physics, 102, 243-251, DOI: 10.1016/j.jastp.2013.05.017, 2013.
70. Devi, J.J., T. Gupta, R. Jat and S.N. Tripathi, Measurement of personal and integrated exposure to particulate matter and co-pollutant gases: A panel study, Environmental Science and Pollution Research, 20(3), 1632-1648, DOI: 10.1007/s11356-012-1179-3, 2013.
2012
69. Joshi, M., B.K. Sapra, A. Khan, S.N. Tripathi, P.M. Shamjad, T. Gupta, Y.S. Mayya, Harmonisation of nanoparticle concentration measurements using GRIMM and TSI scanning mobility particle sizers, Journal of Nanoparticle Research, 14(12), 1-14, DOI: 10.1007/s11051-012-1268-8, 2012.
68. Choudhry, P., A. Misra and S.N. Tripathi, Study of MODIS derived AOD at three different locations in the Indo Gangetic plain: Kanpur, Gandhi College and Nainital, Annales Geophysicae, 30, 1479-1493, DOI: 10.5194/angeo-30-1479-2012, 2012.
67. Dey, S., L.D. Girolamo, A.V. Donkelaar, S.N. Tripathi, et al., Variability of outdoor fine particulate (PM2.5) concentration in the Indian Subcontinent: A remote sensing approach, Remote Sensing of Environment , 127, 153-161, DOI: 10.1016/j.rse.2012.08.021, 2012.
66. Sawamura, P., S.N. Tripathi et al., Stratospheric AOD after the 2011 eruption of Nabro volcano measured by lidar over the northern hemisphere, Environmental Research Letters , 7(3), 034013, DOI: 10.1088/1748-9326/7/3/034013, 2012.
65. Shamjad, P.M., S.N. Tripathi, S.G. Aggarwal, et al., Comparison of experimental and modeled absorption enhancement by Black Carbon (BC) cored polydisperse aerosols under hygroscopic conditions, Environmental Science & Technology, 46(15), 8082-8089, DOI: 10.1021/es300295v, 2012.
64. Banerjee, S., S.N. Tripathi, U. Das et al., Enhanced persistence of fog under illumination for carbon nanotube fog condensation nuclei, Journal of Applied Physics, 112(2), 024901, DOI: 10.1063/1.4736557, 2012
63. Kaskaoutis, D.G., R.P. Singh, R. Gautam, M. Sharma, P.G. Kosmopoulos and S.N. Tripathi, Variability and trends of aerosol properties over Kanpur, northern India using AERONET data (2001–10), Environmental Research Letters, 7(2), 024003, DOI: 10.1088/1748-9326/7/2/024003, 2012.
62. Mishra S.K., S.N. Tripathi, S, G Aggarwal and A. Arola, Optical properties of accumulation mode, polluted mineral dust: Effects of particle shape, hematite content and semi-external mixing with carbonaceous species, Tellus B:Chemical and Physical Meteorology, 64(1), 18536, DOI: 10.3402/tellusb.v64i0.18536, 2012.
61. Misra, A., S.N. Tripathi, D.S. Kaul and E.J. Welton, Study of MPLNET-derived aerosol climatology over Kanpur, India, and validation of CALIPSO level 2 version 3 backscatter and extinction products, Journal of Atmospheric and Oceanic Technology, 29(9), 1285-1294, DOI: 10.1175/JTECH-D-11-00162.1, 2012.
60. Patidar, V., S.N. Tripathi, P. K. Bharti and T. Gupta, First surface measurement of cloud condensation nuclei over Kanpur, IGP: Role of long range transport, Aerosol Science and Technology, 46, 973-982, DOI: 10.1080/02786826.2012.685113, 2012.
59. Eck, T. F., S.N. Tripathi et al., Fog and cloud induced aerosol modification observed by the Aerosol Robotic Network (AERONET), Journal of Geophysical Research, 117, D07206, DOI: 10.1029/2011JD016839, 2012.
58. Srivastava, A.K., S.N. Tripathi, S. Dey, V.P. Kanawade and S. Tiwari, Inferring aerosol types over the Indo-Gangetic basin from ground based Sunphotometer measurements, Atmospheric Research, 109, 64-75, DOI: 10.1016/j.atmosres.2012.02.010, 2012.
57. Ram, K., M.M. Sarin and S.N. Tripathi, Temporal trends in atmospheric PM2.5, PM10, elemental carbon, organic carbon, water-soluble organic carbon, and optical properties: Impact of biomass burning emissions in the Indo-Gangetic plain, Environmental Science & Technology , 46(2), 686-695, DOI: 10.1021/es202857w, 2012.
2011
56. Devi, J., J., S.N. Tripathi et al., Observation-based 3-Dview of aerosol radiative properties over Indian Continental Tropical Convergence Zone: Implications to regional climate, Tellus, 63B, 971-989, DOI: 10.1111/j.1600-0889.2011.00580.x, 2011.
55. Kaul, D.S., T. Gupta, S.N. Tripathi, V. Tare, J.L. Collett Jr., Secondary organic aerosol: A comparison between foggy and nonfoggy days, Environmental Science & Technology, 45(17), 7307-7313, DOI: 10.1021/es201081d, 2011.
54. Giles, D. M., B.N. Holben, S.N. Tripathi et al., Aerosol properties over the Indo-Gangetic plain: A mesoscale perspective from the TIGERZ experiment, Journal of Geophysical Research, 116, D18203, DOI: 10.1029/2011JD015809, 2011.
53. Srivastava, A. K., S.N. Tripathi et al., Pre-monsoon aerosol characteristics over the Indo-Gangetic Basin: Implications to climatic impact, Annales Geophysicae 29, 789-804, DOI: 10.5194/angeo-29-789-2011, 2011.
52. Kanawade, V.P., S.N. Tripathi et al., Isoprene suppression of new particle formation in mixed deciduous forest, Atmospheric Chemistry and Physics, 11(12), 6013-6027, DOI: 10.5194/acp-11-6013-2011, 2011.
51. Fatima, H., S.N. Tripathi et al., On radiative forcing of sulphate aerosol produced from ion-promoted nucleation mechanisms in an atmospheric global model, Meteorology and Atmospheric Physics, 112(3-4), 101-115, DOI: 10.1007/s00703-011-0138-8, 2011.
50. Dumka, U.C., K. Krishna Moorthy, S.N. Tripathi, P. Hegde and R. Sagar, Altitude variation of aerosol properties over the Himalayan range inferred from spatial measurements, Journal of Atmospheric and Solar-Terrestrial Physics, 73, 1747-1761, DOI: 10.1016/j.jastp.2011.04.002, 2011.
49. Michael, M., S.N. Tripathi, P. Arya, A. Coates, A. Wellbrock and D.T. Young, High-altitude charged aerosols in the atmosphere of Titan, Planetary & Space Sciences, 59(9), 880-885, DOI: 10.1016/j.pss.2011.03.010, 2011, [Media Coverage].
48. Singh, V.P., T. Gupta, S.N. Tripathi, C. Jariwala and U. Das, Experimental study of the effects of environmental and fog condensation nuclei parameters on the rate of fog formation and dissipation using a new laboratory scale fog generation facility, Aerosol and Air Quality Research, 11(2), 140-154, DOI: 10.4209/aaqr.2010.08.0071, 2011.
47. Arola, A., G. Schuster, G. Myhre, S. Kazadzis, S. Dey and S.N. Tripathi, Inferring absorbing organic carbon content from AERONET data, Atmospheric Chemistry and Physics, 11, 215-225, DOI: 10.5194/acp-11-215-2011, 2011.
2010
46. Srivastava, A.K. and S.N. Tripathi, Numerical study for production of space charges within stratiform cloud, Journal of Earth System Science, 119(5), 627-638, DOI: 10.1007/s12040-010-0053-2, 2010.
45. Ram, K., M.M. Sarin, and S.N. Tripathi, A 1 year record of carbonaceous aerosols from an urban site in the Indo-Gangetic plain: Characterization, sources and temporal variability, Journal of Geophysical Research, 115, D24313, DOI:10.1029/2010JD014188, 2010.
44. Eck, T. F., S.N. Tripathi et al., Climatological aspects of the optical properties of fine/coarse mode aerosol mixtures, Journal of Geophysical Research, 115, D19205, DOI:10.1029/2010JD014002, 2010.
43. Ram, K., M.M. Sarin and S.N. Tripathi, Inter-comparison of thermal and optical methods for determination of atmospheric black carbon and attenuation coefficient from an urban location in northern India, Atmospheric Research, 97(3), 335-342, DOI: 10.1016/j.atmosres.2010.04.006, 2010.
2009
42. Baxla, S.P., A.A. Roy, T. Gupta, S.N. Tripathi and R. Bandyopadhyaya, Analysis of diurnal and seasonal variation of submicron outdoor aerosol mass and size distribution in a northern Indian city and its correlation to black carbon, Aerosol and Air Quality Research, 9, 458-469, DOI: 10.4209/aaqr.2009.03.0017, 2009.
41. Nakajima, T. Y., T. Nakajima, K. Yoshimori, S.K. Mishra and S.N. Tripathi, Development of a light scattering solver applicable to particles of arbitrary shape on the basis of the surface-integral equations method of Muller-type (SIEM/M): Part 1. Methodology, accuracy of calculation and electromagnetic current on the particle surface, Applied Optics, 48(19), 3526-3536, DOI: 10.1364/AO.48.003526, 2009.
40. Ganguly, D., P. Ginoux, V. Ramaswamy, D.M. Winker, B.N. Holben and S.N. Tripathi, Retrieving the composition and concentration of aerosols over the Indo-Gangetic basin using CALIOP and AERONET data, Geophysical Research Letters, 36, L13806, DOI:10.1029/2009GL038315, 2009.
39. Devi, J.J., T. Gupta, S.N. Tripathi and K. K. Ujinwal, Assessment of personal exposure to inhalable indoor and outdoor particulate matter for student residents of an academic campus (IIT-Kanpur), Inhalation Toxicology, 21(14), 1208-1222, DOI: 10.3109/08958370902822875, 2009.
38. Michael, M., S.N. Tripathi, W. Borucki and R.C. Whitten, Highly charged cloud particles in the atmosphere of Venus, Journal of Geophysical Research (Planets), 114(E4), EO4008, DOI:10.1029/2008JE003258, 2009. Amongst the five top most downloads during the first week of publication (April 30, 2009).
37. Mehta B., C. Venkataraman, M. Bhushan and S.N. Tripathi, Identification of sources affecting fog formation using receptor modeling approaches and inventory estimates of sectoral emissions, Atmospheric Environment, 43(6), 1288-1295, DOI: 10.1016/j.atmosenv.2008.11.041,2009.
36. Roy, A. A., S. P. Baxla, T. Gupta, R. Bandyopadhyaya and S.N. Tripathi, Particles emitted from indoor combustion sources: size distribution measurement and chemical analysis, Inhalation Toxicology, 21(10), 837-848, DOI: 10.1080/08958370802538050, 2009.
2008
35. Mishra, S.K., S. Dey and S.N. Tripathi, Implication of particle composition and shape to dust radiative effect: A case study from the Great Indian desert, Geophysical Research Letters, 35(23), L23814, DOI:10.1029/2008GLO36058, 2008.
34. Michael, M. and S.N. Tripathi, Effect of charging of aerosol in the lower atmosphere of Mars during the dust storm of 2001, Planetary and Space Sciences, 56(13), 1696-1702, DOI: 10.1016/j.pss.2008.07.030, 2008.
33. Mishra, S.K. and S.N. Tripathi, Modeling optical properties of mineral dust over the Indian Desert, Journal of Geophysical Research, 113, D23201, DOI:10.1029/2008JD010048, 2008.
32. Michael, M., S.N. Tripathi and S.K. Mishra, Dust charging and electrical conductivity in the day and night-time atmosphere of Mars, Journal of Geophysical Research (Planets), 113(E7), E07010, DOI:10.1029/2007JE003047, 2008, [Media Coverage].
31. Whitten, R.C., W.J. Borucki, K. O’Brien and S.N. Tripathi, Predictions of the electrical conductivity and charging of the cloud particles in Jupiter’s atmosphere, Journal of Geophysical Research, 113(E4), E04001, DOI:10.1029/2007JE002975, 2008, [Media Coverage].
30. Dey, S. and S.N. Tripathi, Aerosol direct radiative effects over Kanpur in the Indo-Gangetic basin, northern India: Long-term (2001-2005) observations and implications to regional climate, Journal Geophysical Research, 113(D4), D04212, DOI:10.1029/2007JD009029, 2008.
29. Dey, S., S.N. Tripathi and S.K. Mishra, Probable mixing state of aerosols in the Indo-Gangetic Basin, Northern India, Geophysical Research Letters, 35(3), L03808, DOI:10.1029/2007GL032622, 2008.
2007
28. Tripathi, S.N., A. Pattanaik and S. Dey, 2007, Aerosol indirect effect over Indo-Gangetic plain, Atmospheric Environment, 41(33), 7037-7047, DOI: 10.1016/j.atmosenv.2007.05.007, 2007.
27. Tripathi, S.N., A.K. Srivastava, S. Dey, S.K. Satheesh and K. Krishnamoorthy, 2007, The vertical profile of atmospheric heating rate of black carbon aerosols at Kanpur in northern India, Atmospheric Environment, 41(32), 6909-6915, DOI: 10.1016/j.atmosenv.2007.06.032, 2007.
26. Sharma, M., S. Kishore, S.N. Tripathi and S.N. Behera, Role of atmospheric ammonia in the formation of inorganic secondary particulate matter: A Study at Kanpur, India, Journal of Atmospheric Chemistry, 58, 1-17, DOI: 10.1007/s10874-007-9074-x, 2007.
25. Nair, V. S., K. Krishnamoorthy, D. P. Alappattu, P. K. Kunhikrishnan, S. George, P. R. Nair, S. Babu, B. Abish, S.K. Satheesh, S.N. Tripathi et al., Wintertime aerosol characteristics over the Indo-Gangetic plain (IGP): Impacts of local boundary layer processes and long-range transport, Journal of Geophysical Research, 112(D13), D13205, DOI:10.1029/2006JD008099, 2007.
24. Whitten, R.C., W.J. Borucki and S.N. Tripathi, Predictions of the electrical conductivity and charging of the aerosols in the Titan’s night time atmosphere, Journal of Geophysical Research (Planets), 112(E4), E04001, DOI:10.1029/2006JE002788, 2007.
23. Michael, M., M. Barani and S.N. Tripathi, Numerical predictions of aerosol charging and electrical conductivity of the lower atmosphere of Mars, Geophysical Research Letters, 34(4), L04201, DOI:10.1029/2006GL028434, 2007.
22. Dey, S. and S.N. Tripathi, Estimation of aerosol optical properties and radiative effects in the Ganga basin, northern India, during the winter time, Journal of Geophysical Research, 112(D3), D03203, DOI:10.1029/2006JD007267, 2007.
21. Tripathi, S.N., V. Tare, N. Chinnam et al., Measurements of atmospheric parameters during Indian Space Research Organization Geopshere Biosphere Programme land campaign II at a typical location in the Ganga basin: 1. Physical and optical properties, Journal of Geophysical Research, 111(D23), D23209, DOI:10.1029/2006JD007278, 2006.
20. Tare, V., S.N. Tripathi et al., Measurements of atmospheric parameters during Indian Space Research Organization Geosphere Biosphere Program land campaign II at a typical location in the Ganga basin: 2. Chemical properties, Journal of Geophysical Research, 111(D23), D23210, DOI:10.1029/2006JD007279, 2006.
19. Tripathi, S.N., S. Vishnoi, S. Kumar and R.G. Harrison, Computationally efficient expressions for the collision efficiency between electrically charged aerosol particles and cloud droplets, Quarterly Journal of Royal Meteorological Society, 132(618), 1717-1731, DOI: 10.1256/qj.05.125, 2006.
2006
18. Chinnam, N., S. Dey, S.N. Tripathi and M. Sharma, Dust events in Kanpur, northern India: Chemical evidence for source and implications to radiative forcing, Geophysical Research Letters, 33(8), L08803, DOI:10.1029/2005GL025278, 2006.
17. Borucki, W.J., R.C. Whitten, E.L.O. Bakes, E. Barth and S.N. Tripathi, Predictions of the electrical conductivity and charging of the aerosols in the Titan’s atmosphere, Icarus, 181(2), 527-544, DOI: 10.1016/j.icarus.2005.10.030, 2006.
16. Dey, S., S.N. Tripathi, R.P. Singh and B. N. Holben, Retrieval of black carbon and specific absorption over Kanpur city, northern India during 2001-2003 using AERONET data, Atmospheric Environment, 40(3), 445-456, DOI: 10.1016/j.atmosenv.2005.09.053, 2006.
15. Kanawade, V. and S.N. Tripathi, Evidence for the role of ion-induced particle formation during an atmospheric nucleation event observed in Tropospheric Ozone Production about the Spring Equinox (TOPSE), Journal of Geophysical Research, 111(D2), D02209, DOI:1029/2005JD006366, 2006.
2005
14. Tripathi S.N., S. Dey, V. Tare and S.K. Satheesh, Aerosol black carbon radiative forcing at an industrial city in northern India, Geophysical Research Letters, 32(8), L08802, DOI:10.1029/2005GL022515, 2005.
13. Tripathi, S.N., S. Dey, V. Tare, S.K. Satheesh, S. Lal and S. Venkataramni, Enhanced layer of black carbon in a north Indian industrial city, Geophysical Research Letters, 32(12), L12802, DOI:10.1029/2005GL022564, 2005.
12. Tripathi, S.N., S. Dey, A. Chandel, S. Srivastava, R.P. Singh and B. N. Holben, Comparison of MODIS and AERONET derived aerosol optical depth over the Ganga basin, India, Annales Geophysicae, 23(4), 1093-1101, DOI: 1432-0576/ag/2005-23-1093, 2005.
11. Modgil, M.S., S. Kumar, S.N. Tripathi and E.R. Lovejoy, A parameterization of ion-induced nucleation of sulphuric acid and water for atmospheric conditions, Journal of Geophysical Research, 110(D19), D19205, DOI: 10.1029/2004JD005475, 2005.
10. Dey, S., S.N. Tripathi, R.P. Singh and B.N. Holben, Seasonal variability of the aerosol parameters over Kanpur, an urban site in Indo-Gangetic basin, Advances in Space Research, 36(5), 778-782, DOI: 10.1016/j.asr.2005.06.040, 2005.
2004
9. Dey, S., S.N. Tripathi, R.P. Singh and B.N. Holben, Influence of dust storms on the aerosol optical properties over the Indo-Gangetic basin, Journal of Geophysical Research, 109(D20), D20211, DOI:10.1029/2004JD004924, 2004.
8. Singh, R.P., S. Dey, S., S.N. Tripathi, V. Tare and B. Holben, Variability of aerosol parameters over Kanpur, northern India, Journal of Geophysical Research, 109(D23), D23206, DOI:10.1029/2004JD004966, 2004.
2002
7. Tripathi, S.N. and R.G. Harrison, Enhancement of contact nucleation by scavenging of charged aerosol particles, Atmospheric Research, 62(1), 57-70, DOI: 10.1016/S0169-8095(02)00020-0, 2002.
6. Mayya, Y.S., S.N. Tripathi and A. Khan, Boundary conditions and growth of mean charges for radioactive aerosol particles near absorbing surfaces. Journal of Aerosol Science, 33(5), 781-795, DOI:10.1016/S0021-8502(01)00213-0, 2002.
2001
5. Tripathi, S.N. and R.G. Harrison, , Scavenging of electrified radioactive aerosols. Atmospheric Environment, 35(33), 5817-5821, DOI: 10.1016/S1352-2310(01)00299-0, 2001.
Review Article
4. Tripathi, S.N., M. Michael and R.G. Harrison, Profiles of ion and aerosol interactions in planetary atmospheres, Space Science Review, 137(1-4), 193-211, DOI: 10.1007/s11214-008-9418-0, 2008.
Discussion Paper
3. Michael, M., A. Yadav, S.N. Tripathi, V.P. Kanawade, A. Gaur, P. Sadavarte and C. Venkataraman, Simulation of trace gases and aerosols over the Indian Domain: Evaluation of the WRF-Chem model, Atmospheric Chemistry and Physics Discussion, 13, 12287-12336, DOI: 10.5194/gmdd-7-431-2014, 2013.
2. Kaul, D.S., Tarun Gupta and S.N. Tripathi, Chemical and microphysical properties of the aerosol during foggy and nonfoggy episodes: A relationship between organic and inorganic content of the aerosol, Atmospheric Chemistry and Physics Discussion, 12, 14483-14524, DOI:10.5194/acpd-12-14483-2012, 2012.
1. Mishra, S.K., S.N. Tripathi, S.G. Aggarwal and A. Arola, Effects of particle shape, hematite content and semi-external mixing with carbonaceous components on the optical properties of accumulation mode mineral dust, em>Atmospheric Chemistry and Physics Discussion, 10, 1–48, DOI:10.5194/acpd-10-31253-2010, 2010.
Other Publications
Book Chapter
- Dey, S. and S. N. Tripathi, Remote Sensing of Atmospheric Aerosols in “Aerosol Science: Technology and Applications”, I. Colbeck and M. Lazaridis (eds), John Wiley & Sons Ltd, Chichester, 119-151, DOI: 10.1002/9781118682555.ch6, 119-151, 2014.
- Srivastava, A.K., Sagnik Dey and S.N. Tripathi, Aerosol characteristics over the Indo-Gangetic basin: Implications to regional climate, In Hayder Abdul-Ruzzak (eds.), Atmospheric Aerosol-Regional Characteristics-Chemistry and Physics, InTech, 47-80, DOI: 10.5772/47782, 2012.
- Varun Sheel, S. Ramachandran, S. N. Tripathi and Marykutty Michael, Chemistry and aerosols in the atmospheres of Earth and Mars, In S. A. Haider, V. Sheel, and S. Lal (eds.), Modeling of Planetary Atmospheres, Mcmillan Publishers India Ltd., 83-144, 2010.
- Tripathi, S.N., M. Michael and R.G. Harrison, Profiles of ion and aerosol interactions in planetary atmospheres. In F. Leblane, K. L. Aplin, Y. Yair, R. G. Harrison, J. P. Lebreton, M. Blane (eds.), Planetary Atmospheric Electricity, Springer, 193-211, 2008.
Meeting Report
- Singh, R. P., Vinod Tare and S. N. Tripathi, Aerosols, Clouds and Monsoon, Current Science, 88 (9), 1366- 1368, 2005.
- Singh, R. P., Vinod Tare and S. N. Tripathi, Meeting Report on “International conference on aerosols, clouds and monsoon”, EOS, 86 (24), 228-229, 2005.
Technical Report
- Real time source apportionment study for Delhi, A Report on Impact of Lockdown on Ambient Air Quality prepared by CPCB, Ministry of Environment, Forest & Climate Change, Govt. of India, September 23, 2020, p (website: www.cpcb.ic.in).
- Ramanathan, V., Molina, M.J., Zaelke, D., Borgford-Parnell, N., Alex, K., Auffhammer, M., Bledsoe, P., Collins, W., Croes, B., Forman, F., S.N. Tripathi et al., Under 2 Degrees Celsius: Fast action policies to protect people and the planet from extreme climate changes. First Report of the Committee to Prevent Extreme Climate Change (CPECC), Chairs: V. Ramanathan, M. J. Molina and D., Released at COP22 Summit at Marrakech, November 14, 2016.
- Sharma, S., I.H. Rehman, V. Ramanathan, K. Balakrishnan, G. Beig, G. Carmichael, S.N. Tripathi et al., Breathing Cleaner Air: Ten scalable solutions for Indian cities. A self-organized talk force report for the world sustainable development summit, New Delhi, October 6, 2016. Task-Force Chairs: V. Ramanathan, I.H. Rehman & S. Sharma. Published by The Energy and resources Institute in collaboration with the University of California at San Diego.
- Ramanathan, V., S. Sundar, R. Harnish S. Sharma, J. Seddon, B. Croes, A. Lloyd, S.N. Tripathi et al., India California Air Pollution Mitigation Program: Options to reduce road transport pollution in India. Published by The Energy and Resources Instiute in collaboration with the University of California at San Diego and the California Air Resources Board, 2014.
- Tripathi, S.N., T. Gupta, B.K. Sapra and S. Ganju, Measurement of aerosol and liquid droplet size distributions and validation of aerosol and droplet microphysical models, 2009/36/119-BRNS/3384, 2013.
- Tripathi, S.N., S. Dayal and N. Srivastava, A fast microphysical model for mixed phase clouds, Department of Civil Engineering, Indian Institute of Technology Kanpur.
- Tripathi, S. N., X. P. Vancassel, R. G. Grainger, H. L. Rogers, A Fast Stratospheric Aerosol Microphysical Model (SAMM): H2SO4-H2O aerosol development and validation, AOPP memorandum, Department of Physics, University of Oxford, 2004.
Proceedings/Conferences
- Mishra, S.K. and S.N. Tripathi, Optical properties of mineral dust over the global deserts, International Radiation Symposium, Brazil, August 3-8, 2008.
- Vivek Pratap, N. Tripathi, S.N. Tripathi, T. Gupta, U. Das, A laboratory investigation of the effects of soluble coating on hydrophobic condensation nuclei on fog visibility, SAM, New Delhi, February 2008.
- Mishra, S. K. and S.N. Tripathi, Modeling optical properties of mineral dust over Indian desert, ACCLINT, Ahmedabad, November 2007.
- Vanga, A., S.N. Tripathi and A. Ghosh, Role of in situ formed new particles in ice nucleation in cirrus clouds, ACCLINT, Ahmedabad, November 2007.
- Mehta, B., C. Venkataraman, M. Bhushan and S.N. Tripathi, Matrix factorization modeling for air pollution source identification: Application to field data from Kanpur, IASTA, New Delhi, November, 2007.
- Jaidevi, J., T. Gupta, S.N. Tripathi and K. K. Ujinwal, Assessment of personal exposure to indoor and outdoor particulate matter for residents of an academic campus (IIT-Kanpur), IASTA, New Delhi, November, 2007.
- Dey, S. and S.N. Tripathi, Aerosol radiative effects over Kanpur region, northern India, IASTA, New Delhi, November, 2007.
- Pratap, V., V. Bharat, N. Tripathi, S.N. Tripathi, T. Gupta, A. Mishra and U. Das, An experimental investigation of the effects of environmental and fog condensation nuclei parameters, IASTA, New Delhi, November, 2007.
- Dey, S. and S.N. Tripathi, Aerosol and cloud forcing in the Indo-Gangetic plain, AGU Fall Meeting, San Francisco, December 2006.
- Tripathi, S.N., A. Srivastava and S. Dey, Surface and Aircraft measurements of aerosol black carbon at a typical location in gangetic basin, northern India, AGU Fall Meeting, San Francisco, December 2006.
- Nakajima, T., S.K. Mishra, S.N. Tripathi and T. Nakajima, Tracing optical-parameters of cirrus clouds containing hexagonal ice-crystals using surface integral equation method of Muller type, SPIE, Goa, November 2006.
- Dey, S. and S.N. Tripathi, An aerosol model for Ganga basin, Northern India, Western Pacific Joint Meeting (WPJM), Beijing, July 2006.
- Manar, M., S.N. Tripathi and S. Kishore, Size resolved chemical composition of fog at Kanpur, India, Asian Aerosol Conference, December 2005.
- Tripathi, S.N., N. Chinnam, A. Srivastava, A. Agarwal, S. Kishore, R. B. Lal, Sagnik Dey, Manish Manar, S. S. Chauhan, V. Tare, R. P. Singh and M. Sharma, Measurements of aerosol parameters during ISRO-GBP Land campaign-II at Kanpur (Indo-Gangetic Basin)- Part-I- Optical and Physical Properties, Asian Aerosol Conference, December 2005.
- Srivastava, A. K., S.N. Tripathi, N, Chinnam, Sagnik Dey, M. Manar, Vijay Kanawade, A. Agarwal, S. Kishore, R. B. Lal, V. Tare and M. Sharma, Measurements of aerosol parameters during ISRO-GBP Land campaign-II at Kanpur (Indo-Gangetic Basin)-Part-II- Chemical Properties, Asian Aerosol Conference, December 2005.
- Kanawade Vijay and S.N. Tripathi, What triggers particle nucleation during TOPSE atmospheric nucleation event?, Asian Aerosol Conference, December 2005.
- Tripathi, S.N. and Vijay Kanawade, Evidences for new particle formation in the Arctic as a part of TOPSE atmospheric nucleation event, AGU Fall Meeting, San Francisco, December 2005.
- Kanawade Vijay and S.N. Tripathi, Model prediction of sulfuric acid in the tropical/subtropical cirrus clouds as a part of Crystal-Face Mission, AGU Fall Meeting, San Francisco, December 2005.
- Tripathi, S.N., Sanjeev Kumar, M. S. Modgil and E. R. Lovejoy, Parameterization of ion induced nucleation of sulphuric acid and water, AGU Fall Meeting, San Francisco, December 2004.
- Tripathi, S. N., Sagnik Dey and R. P. Singh, Black carbon absorption over Kanpur (an Industrial City in the Indo-Gangetic Basin) retrieved from AERONET data, AGU Fall Meeting, San Francisco, December 2004.
- Kanawade Vijay and S.N. Tripathi, Model studies on atmospheric ion induced nucleation of sulfuric acid and water: Interpretation of in situ measurements, First European Space Weather Week, ESTEC, Noordwijk (The Netherlands), November 29- December 3, 2004.
- Sanjeev Kumar, Moninder Singh Modgil, S.N. Tripathi, E. R. Lovejoy and Jan Kazil, A parameterization of ion induced nucleation of sulphuric acid and water for atmospheric conditions, 6th International Conference on Nucleation of Atmospheric Aerosols, July 37-30, Kyoto, Japan.
- Tripathi, S.N., A. Chandel, S. Srivastava, Sagnik Dey and Ramesh P. Singh, Comparison of satellite derived aerosol parameters with ground measured data over Ganga Basin, Accepted for presentation in National Space Science Seminar, 2004.
- Borucki, W.J., R.C. Whitten, E.L.O. Bakes and S.N. Tripathi, Electrical charging of the clouds of Titan, presented in AGU Fall meeting in San Fransisco.
- Tripathi, S.N., R. G. Grainger and H. L. Rogers, A fast microphysical model for stratospheric aerosols, EGS-AGU-EGU, Nice, April, 2003.
- Tripathi, S.N. and R. G. Harrison, Radioactive aerosols in the environment, Proceedings of 6th International Electricity Conference, Versailles, France, 2003.
- Tripathi, S.N., X. Vancassel, R. G. Grainger and H. L. Rogers, A fast microphysical model for stratospheric aerosols, Aviation, Atmosphere and Climate, Proceedings European Conference at DLR, Germany, 310 -315, 2003.
- Tripathi, S.N. and W. J. Borucki, Charge distribution on Titan aerosol, Bulletin of Indian Aerosol Science and Technology Association, Proc. IASTA-2002 Conference, Thiruvananthapuram, 2002.