Search Results - "Jain, Chaithanya D"

Source apportionment of rainwater chemical composition to investigate the transport of lower atmospheric pollutants to the UTLS region by Jain, Chaithanya D., Madhavan, B.L., Ratnam, M. Venkat

“…Efforts to understand the chemical composition of Asian Tropopause Aerosol Layer (ATAL) in the Upper Troposphere Lower Stratosphere (UTLS) region have revealed…”
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Measurements of Volatile Organic Compounds at a rural site in India: Variability and sources during the seasonal transition by Sindhu, S., Jain, Chaithanya D., Ratnam, M. Venkat, Sinha, Puna Ram

“…Volatile Organic Compounds (VOCs) play a vital role in tropospheric ozone formation that controls the oxidative capacity of the troposphere. A total of 31…”
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Spatial variability of trace gases (NO2, O3 and CO) over Indian region during 2020 and 2021 COVID-19 lockdowns by Vignesh, Vasudevan Geetha, Jain, Chaithanya D., Saikranthi, K., Ratnam, M. Venkat

“…COVID-19 lockdown has given us an opportunity to investigate the pollutant concentrations in response to the restricted anthropogenic activities. The…”
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Influence of background dynamics on the vertical distribution of trace gases (CO/WV/O3) in the UTLS region during COVID-19 lockdown over India by Kumar, A. Hemanth, Ratnam, M. Venkat, Jain, Chaithanya D.

“…The COVID-19 pandemic lockdown has led to the significant reductions in the pollutant levels across the globe. Several studies have been carried out for…”
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Phase-wise analysis of the COVID-19 lockdown impact on aerosol, radiation and trace gases and associated chemistry in a tropical rural environment by Jain, Chaithanya D., Madhavan, B.L., Singh, Vikas, Prasad, P., Sai Krishnaveni, A., Ravi Kiran, V., Venkat Ratnam, M.

“…Phase-wise variations in different aerosol (BC, AOD, PM1, PM2.5 and PM10), radiation (direct and diffused) and trace gases (NO, NO2, CO, O3, SO2, CO2 and CH4)…”
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Regional estimation of methane emissions over the peninsular India using atmospheric inverse modelling by Raju, Anjumol, Sijikumar, S., Valsala, Vinu, Tiwari, Yogesh K., Halder, Santanu, Girach, I. A., Jain, Chaithanya D., Ratnam, M. Venkat

“…Accurate renditions of country-scale methane (CH 4 ) emissions are critical in understanding the regional CH 4 budget and essential for adapting national…”
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Spatial, temporal features and influence of meteorology on PM2.5 and O3 association across urban and rural environments of India by Krishnaveni, A. Sai, Madhavan, B.L., Jain, Chaithanya D., Venkat Ratnam, M.

“…This study provides an extensive analysis of the spatio-temporal association between particulate matter of 2.5 μm or less (PM2.5) and ground-level Ozone (O3)…”
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Seasonal estimates of ozone and secondary organic aerosol formation from volatile organic compounds in a rural atmosphere of India by Sindhu, S., Jain, Chaithanya D., Ratnam, M. Venkat, Sinha, Puna Ram

“…Volatile Organic Compounds (VOCs) serve as precursors for tropospheric ozone (O3) and Secondary Organic Aerosol (SOA) formation. The formation of O3 and SOA…”
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Quantitative Measurements of HO2 and Other Products of n‑Butane Oxidation (H2O2, H2O, CH2O, and C2H4) at Elevated Temperatures by Direct Coupling of a Jet-Stirred Reactor with Sampling Nozzle and Cavity Ring-Down Spectroscopy (cw-CRDS) by Djehiche, Mokhtar, Le Tan, Ngoc Linh, Jain, Chaithanya D, Dayma, Guillaume, Dagaut, Philippe, Chauveau, Christian, Pillier, Laure, Tomas, Alexandre

“…For the first time quantitative measurements of the hydroperoxyl radical (HO2) in a jet-stirred reactor were performed thanks to a new experimental setup…”
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Spectral Properties of Black Carbon Produced during Biomass Burning by Jain, Chaithanya D., Gadhavi, Harish S., Wankhede, Tushar, Kallelapu, Kanakaraju, Sudhesh, Suryasree, Das, Lidiya N., Pai, Rahul U., Jayaraman, Achuthan

“…Spectral properties of Black Carbon (BC) produced during the burning of different biofuels have been studied using a 7 channel Aethalometer (Magee Scientific,…”
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High-Resolution Bayesian Inversion of Carbon Dioxide Flux Over Peninsular India by Sijikumar, S., Raju, Anjumol, Valsala, Vinu, Tiwari, Yogesh, Girach, I.A, Jain, Chaithanya D., Ratnam, M. Venkat

“…Accurate estimation of the flux of the most important greenhouse gas, carbon dioxide (CO2), plays a decisive role in designing the policies to reduce the…”
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Local emission and long-range transport impacts on the CO, CO2, and CH4 concentrations at a tropical rural site by Jain, Chaithanya D., Singh, Vikas, Akhil Raj, S.T., Madhavan, B.L., Ratnam, M. Venkat

“…Local emission and long-range transport impacts on the observed concentrations (dry air mole fractions) of CO, CO2, and CH4 have been investigated using three…”
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Direct and indirect photochemical impacts on the trace gases observed during the solar eclipse over a tropical rural location by Jain, Chaithanya D., Venkat Ratnam, M., Madhavan, B.L.

“…The solar eclipse observed on 26 December 2019 over Southern India provided another rare opportunity to observe responses of various trace gases to the…”
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Impact of regional transport on total OX (NO2+ O3) concentrations observed at a tropical rural location by Jain, Chaithanya D., Ratnam, M. Venkat, Madhavan, B.L., Sindhu, S., Kumar, A. Hemanth

“…In general, local emissions and long-range transport will dictate the pollution levels over a given place. The former source will be based on the location…”
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Investigating the convective transport possibilities of lower-atmospheric pollutants to the UTLS region using rainwater and aerosol chemical characterization by Jain, Chaithanya D., Saheb, Shaik Darga, Talukdar, Shamitaksha, Madhavan, B.L., Basha, Ghouse, Ratnam, M. Venkat

“…Various attempts using different platforms to understand the chemical composition of the Asian Tropopause Aerosol Layer (ATAL) have concluded that it primarily…”
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Vertically resolved black carbon measurements and associated heating rates obtained using in situ balloon platform by Ratnam, M. Venkat, Raj, S.T. Akhil, Madhavan, B.L., Vernier, J.P., Kiran, V. Ravi, Jain, Chaithanya D., Basha, G., Nagendra, N., Kumar, B. Suneel, Pandit, A.K., Murthy, B.V. Krishna, Jayaraman, A.

“…Vertically resolved Black Carbon (BC) measurements are obtained in situ up to 10 km during the summer monsoon season using a micro-aethalometer on-board…”
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Extended fumigation effect on surface and boundary layer aerosol concentrations observed during solar eclipse by Ratnam, M. Venkat, Talukdar, S., Prasad, P., Raj, S.T. Akhil, Raman, M. Roja, Kumar, S. Satheesh, Kiran, V. Ravi, Jain, Chaithanya D., Basha, Ghouse

“…Solar eclipse (with maximum obscuration of 85.3% and magnitude of 0.893) occurred on 26 December 2019 during morning hours (08:10 to 11:15 LT with a peak at…”
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Quantitative Measurements of HO 2 and Other Products of n -Butane Oxidation (H 2 O 2 , H 2 O, CH 2 O, and C 2 H 4 ) at Elevated Temperatures by Direct Coupling of a Jet-Stirred Reactor with Sampling Nozzle and Cavity Ring-Down Spectroscopy (cw-CRDS) by Djehiche, Mokhtar, Le Tan, Ngoc Linh, Jain, Chaithanya D., Dayma, Guillaume, Dagaut, Philippe, Chauveau, Christian, Pillier, Laure, Tomas, Alexandre

“…For the first time quantitative measurements of the hydroperoxyl radical (HO2) in a jet-stirred reactor were performed thanks to a new experimentalsetup…”
Get full text