भा.कृ.अ.प. - भारतीय कृषि अनुसंधान संस्थान | ICAR-Indian Agricultural Research Institute

Agricultural Physics      (13 scientists)

Dr Vinay kumar Sehgal

   

Field of Specialisation : Remote Sensing, Agricultural Meteorology, Disaster Management, Climate Change, Crop Simulation modeling

Dr Vinay kumar Sehgal
Principal Scientist

M.Sc. : Indian Agricultural Research Institute, New Delhi in 1990

Ph.D : Indian Agricultural Research Institute, New Delhi in 2001

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PG School, Faculty Disciplines : Agricultural Physics

No. of Students Guided : -    M.Sc :   04

   Ph.D :   05

Top 10 Publications having NAAS rating 6 and above with first or corresponding author only

  1. Chakraborty, D., Sehgal, V. K.*, Dhakar, R., Ray, M., Das, D. K. (2020). Increase in spatial spread of extreme warm day temperature events: regional to national perspective for India (1951-2014). Current Science 118(12): 1930 - 1938 [NAAS: 6.76]
  2. Chakraborty, D., Sehgal, V. K.*, Dhakar, R., Ray, M., Das, D. K. (2019). Spatio-temporal trend in heat waves over India and its impact assessment on wheat crop. Theoretical and Applied Climatology, 138(3-4), 1925-1937. [NAAS: 8.32]
  3. Dhakar, R., Sehgal, V. K.*, Chakraborty, D., Sahoo, R. N., Mukherjee, J. (2019). Field scale wheat LAI retrieval from multispectral Sentinel 2A-MSI and LandSat 8-OLI imagery: effect of atmospheric correction, image resolutions and inversion techniques. Geocarto International, 1-21. [NAAS: 7.76]
  4. Chakraborty, D., Sehgal, V. K.*, Dhakar, R., Varghese, E., Das, D. K., Ray, M. (2018). Changes in daily maximum temperature extremes across India over 1951-2014 and their relation with cereal crop productivity. Stochastic environmental research and risk assessment, 32(11), 3067-3081. [NAAS: 8.67]
  5. Sehgal, V. K.*, Dhakar, R. (2016). Geospatial approach for assessment of biophysical vulnerability to agricultural drought and its intra-seasonal variations. Environmental monitoring and assessment, 188(3), 197. [NAAS: 7.80]
  6. Sehgal, V.K.*, Dhakar, R. (2016). Inversion of radiative transfer model for retrieval of wheat biophysical parameters from broadband reflectance measurements. Information Processing in Agriculture 3(2): 107 - 118
  7. Saha, S., Sehgal, V.K.*, Chakraborty, D., Pal, M. (2015). Atmospheric carbon dioxide enrichment induced modifications in canopy radiation utilization, growth and yield of chickpea [Cicer arietinum L.)]. Agricultural and Forest Meteorology 202, 102 - 111. [NAAS: 10.04]
  8. Dhakar, R., Sehgal, V. K., & Pradhan, S. (2013). Study on inter-seasonal and intra-seasonal relationships of meteorological and agricultural drought indices in the Rajasthan State of India. Journal of arid environments, 97, 108-119. [NAAS: 7.99]
  9. Saha, S., Sehgal, V.K., Nagarajan, S., Pal, M. (2012). Impact of elevated atmospheric CO2 on radiation utilization and related plant biophysical properties in pigeon pea (Cajanus cajan L.). Agricultural and Forest Meteorology 158, 63- 70. [NAAS: 10.04]
  10. Sehgal, V.K., Jain, S., Aggarwal, P.K., Jha, S. (2011). Deriving Crop Phenology Metrics and Their Trends Using Times Series NOAA-AVHRR NDVI Data. Journal of the Indian Society of Remote Sensing 39 (3), 373-381. [NAAS: 6.89]

Patent / Technologies / Methodologies / System etc. (Upto Five) :

  1. Estimating pollutants from crop residue burning by thermal remote sensing
  1. Drought vulnerability assessment and mapping
  1. Retrieval of crop biophysical parameters by inversion of radiative transfer model
  1. Assimilation of remote sensing into crop simulation model for spatial growth and yield assessment
  1. System for real-time monitoring of crop condition using satellite remote sensing

Awards / Recognitions / Fellowship (Upto Five) :

  1. IARI Best Teacher Award for year 2015
  1. Jawaharlal Nehru Award for P.G. Outstanding Doctoral Thesis Research (NRM) for year 2002
  1. Expert Committee Member of MoA&FW for formalizing national guidelines on Drought Management