Varsha Pandey

ORCID: 0000-0003-3829-4705
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About
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Research Areas
  • Hydrology and Drought Analysis
  • Climate variability and models
  • Precipitation Measurement and Analysis
  • Agricultural Science and Fertilization
  • Hydrology and Watershed Management Studies
  • Soil Moisture and Remote Sensing
  • Irrigation Practices and Water Management
  • Soil Carbon and Nitrogen Dynamics
  • Crop Yield and Soil Fertility
  • Agricultural pest management studies
  • Insect Resistance and Genetics
  • Agriculture, Plant Science, Crop Management
  • Soil and Land Suitability Analysis
  • Remote Sensing in Agriculture
  • Insect behavior and control techniques
  • Agronomic Practices and Intercropping Systems
  • Insect Pest Control Strategies
  • Agroforestry and silvopastoral systems
  • Cryospheric studies and observations
  • Meteorological Phenomena and Simulations
  • Graphene and Nanomaterials Applications
  • Soil and Unsaturated Flow
  • Remote-Sensing Image Classification
  • Agricultural Practices and Plant Genetics
  • Polymer-Based Agricultural Enhancements

Indian Institute of Technology Bombay
2024

Banaras Hindu University
2016-2024

GD Goenka University
2024

National Institute of Cancer Prevention and Research
2021-2024

Indian Council of Forestry Research and Education
2024

Tropical Forest Research Institute
2024

Govind Ballabh Pant University of Agriculture and Technology
2019-2024

Jawaharlal Nehru Krishi Vishwa Vidyalaya
2022

Banasthali University
2022

KR Mangalam University
2022

Soil moisture represents a vital component of the ecosystem, sustaining life-supporting activities at micro and mega scales. It is highly required parameter that may vary significantly both spatially temporally. Due to this fact, its estimation challenging often hard obtain especially over large, heterogeneous surfaces. This study aimed comparing performance four widely used interpolation methods in estimating soil using GPS-aided information remote sensing. The Distance Weighting (IDW),...

10.3390/resources8020070 article EN cc-by Resources 2019-04-18

Drought hazard mapping and its trend analysis has become indispensable due to the aggravated impact of drought in era climate change. Sparse observational networks with minimal maintenance limit spatio-temporal coverage precipitation data, which been a major constraint effective monitoring. In this study, high-resolution satellite-derived Climate Hazards Group Infrared Precipitation Station (CHIRPS) data used for computation Standardized Index (SPI). The study was carried out Bundelkhand...

10.3390/su13031042 article EN Sustainability 2021-01-20

In this study, a comparative analysis of three satellite precipitation products including the Tropical Rainfall Measuring Mission (TRMM-3B43 V7), Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks-Climate Data Record (PERSIANN-CDR), and Climate Hazards Group InfraRed with Station (CHIRPS V2) ground-measured Indian Meteorological Department (IMD) data were performed to estimate meteorological drought in Bundelkhand region Central India. The...

10.1080/10106049.2020.1801862 article EN Geocarto International 2020-07-30

Analysis of spatial and temporal changes long-term precipitation extreme distribution at a local scale is very important for the prevention mitigation water-related disasters. In present study, we have analyzed trend 116 years (1901–2016) index over Kosi River Basin (KRB), which one frequent flooding rivers India, using 0.25° × resolution gridded datasets obtained from Indian Meteorological Department (IMD), India. The non-parametric Mann–Kendall test together with Sen’s slope estimator was...

10.3390/w13121695 article EN Water 2021-06-18

Maize (Zea mays L.)-wheat (Triticum aestivum L.) cropping sequence holds immense significance in Mollisols, serving as a vital source of nutrition and income for millions playing pivotal role global food security. The study was carried out during 2019–20 2020–21 at Govind Ballabh Pant University Agriculture Technology, Pantnagar, Uttarakhand to increase the productivity maize-wheat rotation Mollisols using Soil Test Crop Response (STCR) target yield approach. experiment conducetd randomized...

10.56093/ijas.v95i1.149530 article EN cc-by-nc-sa The Indian Journal of Agricultural Sciences 2025-02-04

Drought is an intricate phenomenon assessed by analyzing several hydro-meteorological factors such as rainfall, soil moisture, temperature, evapotranspiration, vegetation cover, etc. For effective drought hazard management and preparedness, the monitoring of requires evaluation influencing via Hazard Inventory (DHI). The main objective this study to compare spatial occurrences with help microwave Optical/Infrared datasets obtained from multiple satellites. long-term climatology Tropical...

10.3390/rs11040439 article EN cc-by Remote Sensing 2019-02-20

Reliable drought monitoring is a prerequisite for minimizing potential agricultural losses. Soil moisture key variable assessment. The study conducted in the Bundelkhand region of Uttar Pradesh uses macroscale infiltration capacity (VIC) hydrological model to simulate soil and calculate deficit index (SMDI) assessment Rabi crop growing season from 1998 2016. Crop yield (CY) was linked with SMDI other covariates using random forest (RF) machine learning (ML) based regression technique....

10.1080/02626667.2024.2347981 article EN Hydrological Sciences Journal 2024-04-26

Abstract. Change in soil moisture regime is highly relevant for agricultural drought, which can be best analyzed terms of Soil Moisture Deficit Index (SMDI). A macroscale hydrological model Variable Infiltration Capacity (VIC) was used to simulate the hydro-climatological fluxes including evapotranspiration, runoff, and storage reconstruct severity duration drought over semi-arid region India. The simulations VIC were performed at 0.25° spatial resolution by using a set meteorological...

10.5194/isprs-archives-xlii-3-1347-2018 article EN cc-by ˜The œinternational archives of the photogrammetry, remote sensing and spatial information sciences/International archives of the photogrammetry, remote sensing and spatial information sciences 2018-04-30

COVID-19 and subsequent country-wide lockdown has impacted smokeless tobacco (SLT) product availability in India. We aimed to examine SLT quitting during among users who consented be enrolled a cessation programme.Between January-March 2020, we screened 227 exclusive randomized-controlled feasibility study on cessation. However, all activities were suspended due national response the pandemic. To intention behaviour lockdown, re-contacted these individuals telephonically; September-October...

10.1016/j.cegh.2021.100902 article EN cc-by-nc-nd Clinical Epidemiology and Global Health 2021-10-01

Drought is a recurrent phenomenon in the semiarid regions of India that significantly affects regional social, economic, and environmental conditions. monitoring assessment are challenging especially for have sparse or very limited rain gauge observation networks. In this study, comparative analysis was performed between satellite precipitation products including Tropical Rainfall Measuring Mission (TRMM-3B42), Climate Hazards Group InfraRed Precipitation (CHIRP) ground-measured Indian...

10.1109/igarss.2019.8898782 article EN IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium 2019-07-01
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