Zobrazeno 1 - 10
of 85
pro vyhledávání: '"S. P. Tripathi"'
Autor:
Salam Suresh Singh, Rajdeep Chanda, Ngangbam Somen Singh, Ramtharmawi, Ningthoujam Ranjana Devi, Khoisnam Vramari Devi, Keshav Kumar Upadhyay, S. K. Tripathi
Publikováno v:
Discover Environment, Vol 2, Iss 1, Pp 1-20 (2024)
Abstract In the last century, human activities were the primary cause of air, water, and soil contamination. However, in the twenty-first century, while pollutants like sulfur oxides (SOx) and nitrogen oxides (NOx) remain significant, microplastics (
Externí odkaz:
https://doaj.org/article/c73f7f72c6684ea094b229d4e6079c39
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 1651-1664 (2024)
The significance of air quality monitoring for analyzing impact on public health is growing worldwide. A crucial part of smart city development includes deployment of suitable air pollution sensors at critical locations. Note that there are various a
Externí odkaz:
https://doaj.org/article/07011681c25a4557b9b4d5641979af7a
Autor:
W. Huang, C. Wu, L. Gao, Y. Gramlich, S. L. Haslett, J. Thornton, F. D. Lopez-Hilfiker, B. H. Lee, J. Song, H. Saathoff, X. Shen, R. Ramisetty, S. N. Tripathi, D. Ganguly, F. Jiang, M. Vallon, S. Schobesberger, T. Yli-Juuti, C. Mohr
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 2607-2624 (2024)
The apparent volatility of atmospheric organic aerosol (OA) particles is determined by their chemical composition and environmental conditions (e.g., ambient temperature). A quantitative, experimental assessment of volatility and the respective impor
Externí odkaz:
https://doaj.org/article/48284079f1a34d769b12bee16bc002f8
Autor:
Nitesh Kumar, S. C. Tripathi, D. B. Yadav, Shiv Ram Samota, Karnam Venkatesh, Sindhu Sareen, Gyanendra Singh
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-14 (2023)
Abstract Rice–wheat production in the Indo-gangetic plains (IGPs) of India faces major concerns such as depleting resources, rice residue burning, excessive fertilizer use, and decreasing nitrogen use efficiency. These issues threaten sustainable c
Externí odkaz:
https://doaj.org/article/aceba5315d41401cb72be87d3b6c1026
Autor:
M. Kohl, J. Lelieveld, S. Chowdhury, S. Ehrhart, D. Sharma, Y. Cheng, S. N. Tripathi, M. Sebastian, G. Pandithurai, H. Wang, A. Pozzer
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 13191-13215 (2023)
A new global dataset of annually averaged ultrafine particle (UFP) concentrations at the Earth's surface for the years 2015–2017 has been developed through numerical simulations using the ECHAM/MESSy Atmospheric Chemistry model (EMAC). We present t
Externí odkaz:
https://doaj.org/article/2f8075eefafa44969050733c45a4a53b
Autor:
S. L. Haslett, D. M. Bell, V. Kumar, J. G. Slowik, D. S. Wang, S. Mishra, N. Rastogi, A. Singh, D. Ganguly, J. Thornton, F. Zheng, Y. Li, W. Nie, Y. Liu, W. Ma, C. Yan, M. Kulmala, K. R. Daellenbach, D. Hadden, U. Baltensperger, A. S. H. Prevot, S. N. Tripathi, C. Mohr
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 9023-9036 (2023)
Atmospheric pollution in urban regions is highly influenced by oxidants due to their important role in the formation of secondary organic aerosol (SOA) and smog. These include the nitrate radical (NO3), which is typically considered a nighttime oxida
Externí odkaz:
https://doaj.org/article/01b8743e18504b4991ff364574496b40
Autor:
V. Jain, N. Tripathi, S. N. Tripathi, M. Gupta, L. K. Sahu, V. Murari, S. Gaddamidi, A. K. Shukla, A. S. H. Prevot
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 3383-3408 (2023)
Lucknow is the capital of India's largest state, Uttar Pradesh, one of South Asia's most polluted urban cities. Tropospheric photochemistry relies on non-methane volatile organic compounds (NMVOCs), which are ozone and secondary organic aerosol precu
Externí odkaz:
https://doaj.org/article/9da116aa478244c490b4c5086c3eb68b
Autor:
S. Ghosh, S. Dey, S. Das, N. Riemer, G. Giuliani, D. Ganguly, C. Venkataraman, F. Giorgi, S. N. Tripathi, S. Ramachandran, T. A. Rajesh, H. Gadhavi, A. K. Srivastava
Publikováno v:
Geoscientific Model Development, Vol 16, Pp 1-15 (2023)
Mitigation of carbonaceous aerosol emissions is expected to provide climate and health co-benefits. The accurate representation of carbonaceous aerosols in climate models is critical for reducing uncertainties in their climate feedback. In this regar
Externí odkaz:
https://doaj.org/article/21b514973730487a847c54aad8ce76b5
Autor:
V. Kumar, S. Giannoukos, S. L. Haslett, Y. Tong, A. Singh, A. Bertrand, C. P. Lee, D. S. Wang, D. Bhattu, G. Stefenelli, J. S. Dave, J. V. Puthussery, L. Qi, P. Vats, P. Rai, R. Casotto, R. Satish, S. Mishra, V. Pospisilova, C. Mohr, D. M. Bell, D. Ganguly, V. Verma, N. Rastogi, U. Baltensperger, S. N. Tripathi, A. S. H. Prévôt, J. G. Slowik
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 7739-7761 (2022)
In recent years, the Indian capital city of Delhi has been impacted by very high levels of air pollution, especially during winter. Comprehensive knowledge of the composition and sources of the organic aerosol (OA), which constitutes a substantial fr
Externí odkaz:
https://doaj.org/article/573bc427afe94e67b735636cbfc1c7a7
Autor:
H. S. Bhowmik, A. Shukla, V. Lalchandani, J. Dave, N. Rastogi, M. Kumar, V. Singh, S. N. Tripathi
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 2667-2684 (2022)
Characterizing the chemical composition of ambient particulate matter (PM) provides valuable information on the concentration of secondary species and toxic metals and assists in the validation of abatement techniques. The chemical components of PM c
Externí odkaz:
https://doaj.org/article/14697119b84d4115a479716c79c9c9a0