STM Journals Peer-reviewed research from Consortium e-Learning Network

5 publications

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    On Trends in Snow Cover during the Winter Season Over The North – Eastern Himalayas (2000 – 2018)

    By Soubhik Biswas, Manu Mehta, Arka Ghosh

    Abstract: Snow and glaciers in the North-Eastern Himalayas are primary water resources for various rivers originating in the eastern side of the Himalayan range. Global warming and changes in the climate system are believed to play a pivotal role in the changes of snow cover over the North-Eastern Himalayas. The analysis of data from remote sensing sensors can provide useful inputs to studies related to snow cover monitoring and impact assessment. …

    Published in Journal of Remote Sensing & GIS · Vol. 10, Issue 1, 2019 · pp. 1–8 Read article

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    Aerosol Optical Depth Variation Over Asian Region During The Last Fourteen Years

    By Manu Mehta, Shefali Singh, Vijay Kumar, Ankit Singh, Ritu Singh

    Abstract: AbstractAOD in Asia has escalated in the past two decades due to increasing anthropogenic activities in that region. The densely populated regions of South Asia are undergoing rapid industrialization resulting in enhanced emissions in the atmosphere, thereby making Asia one of the major hotspots of aerosols. In this study, Asian region is divided into four sub-regions i.e. North Asia, East Asia, South Asia, and West Asia. This paper presents the …

    Published in Research & Reviews : Journal of Ecology · Vol. 4, Issue 2, 2015 · pp. 12–17 Read article

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    AOD Retrieval Over Different LULC Features Using AWiFS Data—A Case Study Over Dehradun

    By Manu Mehta, Rimjhim Rao, Gaurav J. Doley, Attili Rajsekhar, Simmi Sindhwani

    Abstract: In this study, an attempt is made to estimate the Aerosol Optical Depth (AOD) using a physically based radiative transfer model i.e. SMART (Simple Model for Atmospheric Radiative Transfer) over different LULC features. The forward procedure requires the data from Band B2: 0.52-0.59 μm of Resourcesat-2 Advanced Wide Field Sensor (AWiFS). While some of the atmospheric parameters, through transmittance, spherical albedo have been parameterized, few of them are utilized from …

    Published in Journal of Remote Sensing & GIS · Vol. 8, Issue 2, 2017 · pp. 54–57 Read article

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    Aerosol Loadings in Association with Vegetative Properties: A Case Study Over North Indian Region

    By Manu Mehta, Ritu Singh, Nidhi Tyagi, Mukesh Rawat, Ankit Singh, Amit Goel, Shefali Singh

    Abstract: Aerosols play an important role in the atmospheric absorption and scattering of light, thereby leading to both warming and cooling of atmosphere. In the Indian subcontinent, the concentration of the aerosols is increasing due to anthropogenic activities which in turn could affect the vegetative properties in the region. The paper presents the study of aerosol optical depth (AOD) in association with vegetative properties using Level 3 data from Multi-angle Imaging …

    Published in Journal of Remote Sensing & GIS · Vol. 6, Issue 3, 2015 · pp. 1–5 Read article

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    Analysis of Color and Particulate Depolarization Ratio Profiles for Aerosols using CALIPSO Level 2 Data

    By Manu Mehta, Grishma Shaw

    Abstract: Aerosols have an important impact on Earth’s climate system by absorbing, scattering and modifying cloud properties. There are many sources of aerosols; both natural and resulting from human activities with widely varying distribution both in space and time. In addition to aerosol columnar spatio-temporal variation, the vertical profile temporal studies provide valuable inputs to various climatic models and radiative transfer studies. This study focuses on the analysis of color ratio …

    Published in Journal of Remote Sensing & GIS · Vol. 6, Issue 2, 2015 · pp. 1–5 Read article

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