Vijay Kumar Soni
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View article: Black carbon characterization and its association with meteorological phenomena using network data
Black carbon characterization and its association with meteorological phenomena using network data Open
Studies related to impact of black carbon (BC) aerosols on weather phenomena like monsoon breaks, winter fog events, pre-monsoon heatwaves etc. are sparse in India. This study fills the gap of observational information of BC aerosols and t…
View article: Advances in Environmental Meteorology and Air Quality Early Warning
Advances in Environmental Meteorology and Air Quality Early Warning Open
. India Meteorological Department (IMD) established in 1875 has a long legacy of monitoring climate and environmental parameters. IMD was the first institution in India to start systematic long-term observation of Solar Radiation, Ozone, P…
View article: India Meteorological Department: A journey of 40-Year of polar meteorology
India Meteorological Department: A journey of 40-Year of polar meteorology Open
The multi-disciplinary and multi-institutional scientific expedition to Antarctica of national and global relevance was initiated by India for the first time in 1981. India Meteorological Department (IMD) started meteorological observation…
View article: Reactive chlorine-, sulfur-, and nitrogen-containing volatile organic compounds impact atmospheric chemistry in the megacity of Delhi during both clean and extremely polluted seasons
Reactive chlorine-, sulfur-, and nitrogen-containing volatile organic compounds impact atmospheric chemistry in the megacity of Delhi during both clean and extremely polluted seasons Open
Volatile organic compounds (VOCs) significantly impact the atmospheric chemistry of polluted megacities. Delhi is a dynamically changing megacity, and yet our knowledge of its ambient VOC composition and chemistry is limited to few studies…
View article: Air Quality Warning and Integrated Decision Support System for Emissions (AIRWISE): Enhancing Air Quality Management in Megacities
Air Quality Warning and Integrated Decision Support System for Emissions (AIRWISE): Enhancing Air Quality Management in Megacities Open
Air pollution poses a significant environmental risk to large cities worldwide, including New Delhi, India’s capital. The occurrence of frequent episodes of elevated levels of air pollution during October–March in Delhi and National Capita…
View article: Inter-comparison of GNSS- IPWV with ERA-5 IPWV and monitoring of convective events over the Indian region
Inter-comparison of GNSS- IPWV with ERA-5 IPWV and monitoring of convective events over the Indian region Open
The present study deals with (i) An Inter-comparison study of ground based Global Navigation Satellite System (GNSS) derived Integrated Precipitable Water Vapour (IPWV) with 5th generation global climate reanalysis data of European Centre …
View article: Biomass-burning sources control ambient particulate matter, but traffic and industrial sources control volatile organic compound (VOC) emissions and secondary-pollutant formation during extreme pollution events in Delhi
Biomass-burning sources control ambient particulate matter, but traffic and industrial sources control volatile organic compound (VOC) emissions and secondary-pollutant formation during extreme pollution events in Delhi Open
Volatile organic compounds (VOCs) and particulate matter (PM) are major constituents of smog. Delhi experiences severe smog during the post-monsoon season, but a quantitative understanding of VOCs and PM sources is still lacking. Here, we …
View article: A framework for natural resource management with geospatial machine learning: a case study of the 2021 Almora forest fires
A framework for natural resource management with geospatial machine learning: a case study of the 2021 Almora forest fires Open
Background Wildfires have a substantial impact on air quality and ecosystems by releasing greenhouse gases (GHGs), trace gases, and aerosols into the atmosphere. These wildfires produce both light-absorbing and merely scattering aerosols t…
View article: Comment on egusphere-2024-500
Comment on egusphere-2024-500 Open
Abstract. Volatile organic compounds significantly impact the atmospheric chemistry of polluted megacities. Delhi is a dynamically changing megacity and yet our knowledge of its ambient VOC composition and chemistry is limited to few studi…
View article: Comment on egusphere-2024-500
Comment on egusphere-2024-500 Open
Abstract. Volatile organic compounds significantly impact the atmospheric chemistry of polluted megacities. Delhi is a dynamically changing megacity and yet our knowledge of its ambient VOC composition and chemistry is limited to few studi…
View article: Decision Support System version 1.0 (DSS v1.0) for air quality management in Delhi, India
Decision Support System version 1.0 (DSS v1.0) for air quality management in Delhi, India Open
This paper discusses the newly developed Decision Support System version 1.0 (DSS v1.0) for air quality management activities in Delhi, India. In addition to standard air quality forecasts, DSS provides the contribution of Delhi, its surro…
View article: Discovery of reactive chlorine, sulphur and nitrogen containing ambient volatile organic compounds in the megacity of Delhi during both clean and extremely polluted seasons
Discovery of reactive chlorine, sulphur and nitrogen containing ambient volatile organic compounds in the megacity of Delhi during both clean and extremely polluted seasons Open
Volatile organic compounds significantly impact the atmospheric chemistry of polluted megacities. Delhi is a dynamically changing megacity and yet our knowledge of its ambient VOC composition and chemistry is limited to few studies conduct…
View article: Supplementary material to "Discovery of reactive chlorine, sulphur and nitrogen containing ambient volatile organic compounds in the megacity of Delhi during both clean and extremely polluted seasons"
Supplementary material to "Discovery of reactive chlorine, sulphur and nitrogen containing ambient volatile organic compounds in the megacity of Delhi during both clean and extremely polluted seasons" Open
Table S1: Operational settings for PTR-TOF-MS 10 K parameters used during this deployment Parameters Values Overall drift voltage (Udrift) Temperature at drift tube (Tdrift) Pressure at drift tube (Pdrift) Length of the drift tube (Ldrift)…
View article: Supplementary material to "Biomass burning sources control ambient particulate matter but traffic and industrial sources control VOCs and secondary pollutant formation during extreme pollution events in Delhi"
Supplementary material to "Biomass burning sources control ambient particulate matter but traffic and industrial sources control VOCs and secondary pollutant formation during extreme pollution events in Delhi" Open
Table S1: 111 NMVOCs species used in the PMF model, the table lists the major compound identifications and the references supporting such assignments from previous works along with detection limits.
View article: Biomass burning sources control ambient particulate matter but traffic and industrial sources control VOCs and secondary pollutant formation during extreme pollution events in Delhi
Biomass burning sources control ambient particulate matter but traffic and industrial sources control VOCs and secondary pollutant formation during extreme pollution events in Delhi Open
Volatile organic compounds (VOCs) and particulate matter (PM) are major constituents of smog. Delhi experiences severe smog during post-monsoon season, but a quantitative understanding of VOCs and PM sources is still lacking. Here, we sour…
View article: Convective weather event monitoring with multispectral image analysis of INSAT-3D/3DR over Indian domain
Convective weather event monitoring with multispectral image analysis of INSAT-3D/3DR over Indian domain Open
Pre-monsoon season (March to May) is very challenging as convective activities prevails almost throughout the country. Most of the Rabi crops harvesting affected and sometimes suffer great losses due to sudden rain or high winds. INSAT-3D/…
View article: Decision Support System version 1.0 (DSS v1.0) for air quality management in Delhi, India
Decision Support System version 1.0 (DSS v1.0) for air quality management in Delhi, India Open
This paper discusses the newly developed Decision Support System version 1.0 (DSS v1.0) for air quality management activities in Delhi, India. In addition to standard air quality forecasts, DSS provides the contribution of Delhi, its surro…
View article: Assessing the climate and air quality effects of future aerosol mitigation in India using a global climate model combined with statistical downscaling
Assessing the climate and air quality effects of future aerosol mitigation in India using a global climate model combined with statistical downscaling Open
We studied the potential of using machine learning to downscale global-scale climate model output towards ground station data. The aim was to simultaneously analyze both city-level air quality and regional- and global-scale radiative forci…
View article: Simulation of trace gases over the Indian domain: evaluation of the SILAM model
Simulation of trace gases over the Indian domain: evaluation of the SILAM model Open
The global-to-meso-scale dispersion model System for Integrated modeling for atmospheric composition (SILAM) has been implemented over the Indian region for operational air quality forecast. The regional SILAM model generates 96 hours fore…
View article: Multisite Scenarios of Black Carbon and Biomass Burning Aerosol Characteristics in India
Multisite Scenarios of Black Carbon and Biomass Burning Aerosol Characteristics in India Open
Black Carbon (BC) aerosols are not only substantial climate-forcing drivers but also impact human health. The spatial distribution of BC aerosols depends on the combination of anthropogenic activities and meteorological conditions. In this…
View article: Comment on acp-2022-513
Comment on acp-2022-513 Open
Abstract. We studied the potential of using a global-scale climate model for analyzing simultaneously both city-level air quality and regional and global scale radiative forcing values for anthropogenic aerosols. As the city-level air poll…