Zobrazeno 1 - 10
of 367
pro vyhledávání: '"M. Venkat Ratnam"'
Publikováno v:
Atmospheric Environment: X, Vol 22, Iss , Pp 100265- (2024)
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) across four selected urban settlements (Delhi, Bengaluru, Ahmedabad, and Kolkata), and a ru
Externí odkaz:
https://doaj.org/article/787fd6f5109d49978b1f074776e50a7b
Publikováno v:
Atmospheric Environment: X, Vol 22, Iss , Pp 100256- (2024)
Volatile Organic Compounds (VOCs) serve as precursors for tropospheric ozone (O3) and Secondary Organic Aerosol (SOA) formation. The formation of O3 and SOA are the indicators of the oxidative capacity specific to a given chemical environment. The cu
Externí odkaz:
https://doaj.org/article/01eec0cf4a0b437395980d9027fbfbfa
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26316- (2024)
It is challenging to estimate winds accurately from higher altitudes using VHF-MST radar. The current study introduces the Adaptive-Bayesian Deterministic Stochastics Technique (ADStoch), which implements an Empirical Bayesian 1D prediction method us
Externí odkaz:
https://doaj.org/article/36704de53836499db56a6c1dfb2bd60e
Publikováno v:
Atmospheric Environment: X, Vol 21, Iss , Pp 100243- (2024)
To reduce emissions and thereby decrease the effect of black carbon (BC) on human health and the climate, the knowledge of BC concentrations and quantification of its contributions from different sources are necessary for establishing strategies for
Externí odkaz:
https://doaj.org/article/1b83b5533ae644829fda740ec71ef150
Autor:
Siddarth Shankar Das, K. Kishore Kumar, K. V. Subrahmanyam, M. Venkat Ratnam, K. V. Suneeth, S. V. Sunilkumar, P. R. Sinha, Asish Kumar Ghosh, Subrata Kumar Das, Sunil Sonwabne, U. V. Muralikrishna, Yogesh Kolte, Manish Naja, S. Abhilash, K. Satheesan, V. Rakesh, P. Mahesh, N. Koushik, P. R. Satheesh Chandran, I. A. Girach, K. V. S. Namboodiri, G. Pandithurai, N. V. P. Kirankumar
Publikováno v:
Earth and Space Science, Vol 10, Iss 9, Pp n/a-n/a (2023)
Abstract An integrated campaign “Suryagrahan‐2019” with multi‐institutional support was conducted by launching a series of radiosondes/ozonesondes over 6‐different locations in India along with the operation of ST/MST radars and launching o
Externí odkaz:
https://doaj.org/article/0d58f8845c9245ea848c1ba65bcb8930
Autor:
V. Ravi Kiran, M. Venkat Ratnam, M. Fujiwara, H. Russchenberg, F. G. Wienhold, B. L. Madhavan, M. Roja Raman, R. Nandan, S. T. Akhil Raj, A. Hemanth Kumar, S. Ravindra Babu
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 4709-4734 (2022)
A better understanding of aerosol–cloud interaction processes is important to quantify the role of clouds and aerosols on the climate system. There have been significant efforts to explain the ways aerosols modulate cloud properties. However, from
Externí odkaz:
https://doaj.org/article/cd83fe9a5ac8443f9a33069bb8d59976
Autor:
P. Kishore, Ghouse Basha, M. Venkat Ratnam, Amir AghaKouchak, Qiaohong Sun, Isabella Velicogna, T. B. J. M. Ouarda
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract The overarching goal of this paper is to shed light on the human influence on the changing patterns of heat waves in India using the Heat Wave Magnitude Index daily (HWMId). The HWMId obtained from the observational data sets shows a large i
Externí odkaz:
https://doaj.org/article/fe9195fe7065491b815cdd519b57729b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 5533-5547 (2021)
A weak El Niño during 2014–2015 boreal winter developed as a strong boreal summer event in 2015 which continued and even enhanced during the following winter. In this work, the detailed changes in the structure, dynamics, and trace gases within th
Externí odkaz:
https://doaj.org/article/03d63ba9a8f84193a97bda02fbf8cb87
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Changing patterns in aerosol concentrations over the Asian region is well documented with a concurrent increase over India and a marked reduction over China. However, aerosol vertical distribution in the changing climate is not fully underst
Externí odkaz:
https://doaj.org/article/0bf2cd0425914ac9a2d2ebb67fafd07f
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 3687-3705 (2019)
Long-term trends of the parameters related to convection and instability obtained from 27 radiosonde stations across six subdivisions over the Indian region during the period 1980–2016 are presented. A total of 16 parcel and instability parameters
Externí odkaz:
https://doaj.org/article/4220a6425f75498ea050a66f663f11d5