Dr Arijit Roy

Image of Dr Arijit Roy
Designation Scientist SG & Head
Phone +91-135-2524370
Email dms[At]iirs[dot]gov[dot]in
Department Disaster Management Science Department
Field of Expertise Ecological Modeling, Fire Ecology, Image Processing and Remote Sensing, GIS
Mail Address Disaster Management Science Department Indian Institute of Remote Sensing ISRO, Govt. of India 4, Kalidas Road, Dehradun- 248001 India.
  • Restoration Ecology and Terrestrial Plant Ecology
  • Ecological Modeling
  • GIS based LULC modeling
  • Climate Change Response Studies
  • Forest Fire And Fire Ecology
  • Remote Sensing And GIS
  • Disaster Management
  • Indian Society of Remote Sensing
  • Indian Meteorological Society
  • International Society of Tropical Ecology
  • Ph.D. - Ecology, BHU , 2002
  • M.Sc. - Botany, BHU, 1996
  • B.Sc. Hons. - Botany, BHU, 1994
  • Feburary 2018 - Till date - Scientist & Head, DMSD, IIRS
  • April 2011 - Feburary 2018 - Scientist, FED, IIRS
  • March 2004 to April 2011 - Scientist, FED, NRSC, ISRO
  • August 2001 to Aug 2003 - Research Associate (Computer Center, BHU)
  • Awarded DST Young Scientist Project in Jan 2004
  • Singh H, Garg R D, Karnatak H C and Roy A. 2019. Spatial biodiversity modeling using high-performance computing cluster: A case study to access biological richness in Indian landscape. Geocarto International, DOI: 10.1080/10106049.2019.1678679.
  • Mondal T, Pathak P, Roy A, Upadhaya S and Bhattacharya S. 2019. A network theoretic study of potential invasion and spread of Lantana camara in a part of Rajaji Tiger Reserve, India. Ecological Complexity 40 (A). DOI: 10.1016/j.ecocom.2019.100793.
  • Khan S, Gupta S, Ilyas O, Roy A and Haleem A. 2019. Evaluation of suitable habitat for Wild Boar (Sus scrofa) in Pench Tiger Reserve, Madhya Pradesh, India, International Journal of Ecology and Environmental Sciences, 45(2):157-164.
  • Rathore P, Roy A and Karnatak, H, 2019. Modelling the Vulnerability of Taxus wallichiana to Climate Change Scenarios in South East Asia”. Ecological indicators,
  • Rathore, P., Roy A., & Karnatak, H. 2018. Assessing the vulnerability of Oak (Quercus) forest ecosystems under projected climate and land use land cover changes in Western Himalaya. Biodiversity and Conservation, 1-20. DOI:
  • Singh H, Garg RD, Karnatak H and Roy A. 2017. Spatial landscape model to characterize biological diversity using R statistical computing environment, Journal of Environmental Management,DOI10.1016/j.jenvman.2017.09.055 .
  • Singh H, Garg RD, Karnatak H and Roy A. 2017. Spatial landscape model to characterize biological diversity using R statistical computing environment, Journal of Environmental Management,DOI10.1016/j.jenvman.2017.09.055 .
  • Bhavsar D, Kumar A and Roy A. 2017. Applicability of NDVI temporal database for western Himalaya forest mapping using Fuzzy-based PCM classifier, European Journal of Remote Sensing 50(1):614-624. DOI10.1080/22797254.2017.1379363.
  • Upadhayay S, Roy A., Ramprakash M, Idiculla J, Senthil Kumar A, and Bhattacharya S. 2017. A network theoretic study of ecological connectivity in Western Himalayas, Ecological Modelling, 359 246-257
  • Palchoudhury Y, Vyas A, Roy A., Kushwaha, D, Roy, P.S. 2016. Quantitative Assessment of Aboveground Carbon Dynamics in the temperate forest of Shimla District, Tropical Ecology, 57(4): 825-837, 2016.
  • Sharma S., Roy A. and Agrawal M. 2016. Spatial variations in water quality of river Ganga with respect to land uses in Varanasi, Environmental Science and Pollution Research, DOI:10.1007/s11356-016-7411-9
  • Bi Yingfeng, Roy A., Bhavsar D., Xu J., Wang M., Wang T. and Yang X. 2016. Kamala tree as an indicator of the presence of Asian elephants during the dry season in the Shivalik landscape of northwestern India, Ecological Indicators, 71:239-247, DOI: 10.1016/j.ecolind.2016.07.011
  • Suresh Babu, Roy A., and Prasad P.R. 2016. Forest fire risk modeling in Uttarakhand Himalaya using TERRA satellite datasets, European Journal of Remote Sensing - 2016, 49: 381-395. doi: 10.5721/EuJRS20164921
  • Gupta K., Roy A., Luthra K., Maithani S. and Mahavir. 2016. GIS based analysis for assessing the accessibility at hierarchical levels of urban green spaces. Urban Forestry & Urban Greening, DOI: 10.1016/j.ufug.2016.06.005
  • Arijit Roy. 2016. Identification and protection of terrestrial global biodiversity hotspots: progress and challenges, Research and Reports in Biodiversity Studies, 5, 15-27.
  • Roy A., Bhattacharya S. Ramprakash R. and Senthil Kumar A. 2016. Modelling critical patches for connectivity for invasive Maling bamboo (Yushania maling) in Darjeeling Himalaya using graph theoretic approach. Ecological Modelling, 329, 77-85.
  • Roy P.S., M.D. Behera, M.S.R. Murthy, Arijit Roy, Sarnam Singh et al. 2015. New vegetation type map of India prepared using satellite remote sensing: its comparison with global vegetation type maps and its utilities. International Journal of Applied Earth Observation and Geoinformation, 39, 142-159.
  • Roy P.S., Arijit Roy, P.K. Joshi et al., 2015. Development of decadal (1985-1995-2005) land use and land cover database for India. Remote Sensing, 7, 2401-2430.
  • Rameshan M, Arijit Roy, and Ramasamy E.V. 2014. Identification of Potential Elephant Corridor between Anamalai Landscape and Periyar Tiger Reserve, Southern Western Ghats: A Geospatial Approach, International Journal of Geoinformatics, 10(2), 41-52.
  • Roy P.S., Arijit Roy and Harish Karnatak (2012) Contemporary tools for identification, Assessment and monitoring biodiversity, Tropical Ecology, 53(3), 261-272.
  • Reddy C. S. and Arijit Roy (2008), Assessment of three-decade vegetation dynamics in Mangroves of Godavari Delta, India using multi-temporal satellite data and GIS. Research Journal of Environmental Sciences. 2(2), 108-115.
  • Rao P.V.Narasimha, Arijit Roy and R.R.Navalgund (2005), Impact of intraband misregistration on image classification, International Journal of Geoinformatics, 1(4), 1-10.
  • Roy, A., S.K. Tripathi and S.K. Basu. (2004). Formulating diversity vector for ecosystem comparison. Ecological Modelling. 179, 499-513.
  • Roy, A. and K.P Singh. (2003). Dynamics of microbial biomass and nitrogen supply during primary succession on Blast-furnace slag dumps in dry tropics. Soil Biology and Biochemistry, 35: 365-372.
  • Basu, S.K. and A. Roy. (2003). Computer simulation of long-term vegetation status in landslide prone areas in the Himalayan region. SIMULATION. 80(10). 511-525.
  • Roy, A., S.K. Basu and K.P. Singh. (2002). Modeling vegetation development on Blast-furnace slag dumps in a tropical region. SIMULATION, 78(9): 531-542.
  • Gupta, A., Bhatt C.M., Roy A. and Chauhan P. 2020. COVID-19 lockdown a window of opportunity to understand the role of human activity on forest fire incidences in the Western Himalaya, India. Current Science, 119(2):390-397
  • Upadhaya K, Shah S K, Roy A., Mehrotra N, and Tripathi SK. 2019. Dendro-chronological Potential of Tectona grandis, Pinus kesiya and Quercus serrata from Mizoram, Northeast India. Indian Journal of Ecology 46(4) 722-728.
  • Babu S, Roy A. and Aggarwal R. 2018. Mapping of Forest Fire Burned Severity Using Sentinel Datasets, ISPRS Archives, DOI: 10.5194/isprs-archives-XLII-5-469-2018
  • Babu S, Roy A. and Aggarwal R. 2018. Mapping of Forest Fire Burned Severity Using Sentinel Datasets, ISPRS Archives, DOI: 10.5194/isprs-archives-XLII-5-469-2018
  • Arijit Roy and Pooja Rathore. 2018. Land-use dynamics in Corbett National Park, Uttarakhand, India using CA-Markov and Agent based LULC-SaarS Model. Current Science, 114, 136-141.
  • Gupta S, Roy A., Bhavsar D, Kala R, Singh S and Kumar AS, 2018. Forest Fire Burnt Area Assessment in the Biodiversity Rich Regions Using Geospatial Technology: Uttarakhand Forest Fire Event 2016, Journal of the Indian Society of Remote Sensing
  • Bandyopadhyay D, Bhavsar D, Pandey K, Gupta S and Roy A. 2017. Red Edge Index as an Indicator of Vegetation Growth and Vigor Using Hyperspectral Remote Sensing Data. Proceedings of the National Academy of Sciences, India - Section A, DOI10.1007/s40010-017-0456-4.
  • S K Tripathi, Roy A., Deepak Kushwaha, Fanai Lalnunmawia, Lalnundanga, Hnialum Lalraminghlova, P S Roy. 2016. Perspectives of forest biodiversity conservation in northeast India, Journal of Biodiversity, Bioprospecting and Development, DOI: 10.4172/2376-0214.1000157
  • Tripathi, S.K., Kushwaha, C.P., Roy A. and Basu S.K. 2015. Measuring ecosystem pattern and processes through fractals. Current Science, (in press).
  • P. S. Roy, S.P.S. Kushwaha, A. Roy, M.S.R. Murthy, et al. 2013. Geospatial modelling of forest fragmentation in India, Current Science, 105(6), 774-780.
  • P. S. Roy, S.P.S. Kushwaha, A. Roy (2012) Landscape level biodiversity database in India: Status and scope. Proc. Natl. Acad. Sci. India, Sect B Biol. Sci. 82:261-269.
  • A. Roy and V.K. Srivastava (2012). Geospatial approach to identification of potential hotspots of land-cover change for biodiversity conservation in Western Ghats of Goa. Current Science. 102(8), 1174-1180.
  • P.S. Roy, Harish Karnatak, S.P.S. Kushwaha, A. Roy and S. Saran. 2012. India`s Plant Diversity Database at Landscape Level on Geospatial Platform: its Prospects and Utility in Today`s Changing Climate, Current Science. 102(8), 1136-1142.
  • Singh S., Srivastava, S.K., Srivastava, V.K., Roy A., Agrawal, S.P., Nayak, R., Dwivedi, R.S. and Roy, P.S. (2010) Human dimensions of climate change: A few initiatives. NNRMS Bulletin, Dept. of Space, Bangalore, India.
  • Roy P.S. and Arijit Roy (2010) Land Use and Land Cover Change: A Remote Sensing & GIS Perspective. Journal of Indian Institute of Sciences, 90(4), 489-502.
  • Roy Arijit, Shantala Devi, Bijan Debnath, M.S.R. Murthy (2010). Geospatial Model For Identification Of Potential Ecological Corridor In Orissa. J. Ind. Soc. Remote Sensing 38, 387-399.
  • Roy P.S. and Arijit Roy (2008). Coastal Ecosystems: Monitoring, Mitigation and Management – Geomatics Approach. Indian Journal of Coastal Agriculture, 26(1), 63-68.
  • Roy, P.S., Kushwaha, S.P.S., Murthy M.S.R., Roy, A., Kushwaha, D., Reddy, C.S., Behera, M.D., Mathur V.B., Padalia, h., Saran S., Singh, S., Jha, C.S. and Porwal, M.C. 2012. Biodiversity Characterization at Landscape Level: National Assessment, Indian Institute of Remote Sensing, Dehradun, India, pp. 140, ISBN 81-901418-8-0.
  • Gupta K, Puntambekar K., Roy A., Pandey K., Mahaveer, Kumar P., 2019. Smart Environment Through Smart Tools and Technologies for Urban Green Spaces: Case Study: Chandigarh, India, In Smart Environment for Smart Cities, DOI: 10.1007/978-981-13-6822-6_5.
  • Roy A. and Rathore P. 2019. Western Himalayan Forests in Climate Change Scenario, In Remote Sensing of Northwest Himalayan Ecosystems (Ed. Navalgund et al ), DOI: 10.1007/978-981-13-2128-3_12.
  • Karnatak H and Roy A. 2019. Himalayan Spatial Biodiversity Information System, In Remote Sensing of Northwest Himalayan Ecosystems (Ed. Navalgund et al ), DOI: 10.1007/978-981-13-2128-3_10.
  • Roy A. and Kushwaha SPS. 2018. Landscape level plant diversity characterization in Indian Himalayan region, In Plant Diversity in the Himalaya Hotspot Region. Vol. I (Ed: A. P. Das & S. Bera), M/s Bishen Singh Mahendra Pal Singh, Dehra Dun, ISBN: 978-81-211-0946-8
  • Roy A. and Roy P.S. 2015. Biodiversity information in India: Status and future scope, , Ed. S. K. Tripathi Biodiversity in Tropical Ecosystems (2015) : 9-30, Today and Tomorrow's Printers and Publishers, New Delhi - 110 002
  • Roy A. and Kushwaha D. 2015. Rapid plant diversity assessment in Uttrakhand, Ed. S. K. Tripathi Biodiversity in Tropical Ecosystems (2015) : 45-59, Today and Tomorrow's Printers and Publishers, New Delhi - 110 002.
  • P.S. Roy, Arijit Roy, Harish Karnatak. 2013. Himalaya biodiversity conservation: A challenge in Climate Change, In Climate Change & Himalayan Ecosystem - indicator, Bio & water Resources, (Ed: J Sundareshan, Pankaj Gupta, K.M. Santosh, Ram Bhooj) Scientific Publishers (India), pp.149-165.
  • Reddy, C.S., Pattanaik, C., Roy, A. & Murthy, M.S.R. (2008). Mapping the vegetation types of Orissa, India. Biodiversity (ed. Prof. P.C. Trivedi). New Delhi.
  • M.S.R. Murthy, Arijit Roy, P.S. Roy (2010). Sustainable Forestry. Book chapter R.S. Dwivedi and P.S. Roy (eds). Geospatial Technology for integrated natural resource management. Pages:
  • Pooja Rathore and Arijit Roy 2015. Modelling potential shifts in the species range due to climate change in Western Himalayas. ACRS 2017 New Delhi.
  • Suresh Babu, K.V., Prasad P.R. and Arijit Roy 2015. Forest Fire weather based danger rating for state of Madhya Pradesh, Second National Conference on free and Open source Software for Geospatial (FOSS4G-India 2015), June 9-10 2015, Indian Institute of Remote Sensing, Dehradun.
  • Suresh Babu and Arijit Roy, 2014. Forest Fire danger Index in Uttarakhand. Tropical Ecology Congress, Jawaharlal Nehru University, New Delhi, Dec 2014.
  • Harish Karnatak, Kamal Pandey, Kapil Oberai, Arijit Roy, Deepti Joshi, Hariom Singh, PLN Raju and YVN Krishna Murthy. 2014. Geospatial data sharing, online spatial analysis and processing of Indian biodiversity data in internet GIS domain- a case study for Raster based online geo-processing, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XL-8, 2014, ISPRS Technical Commission VIII Symposium, 09 – 12 December 2014, Hyderabad, India.
  • Sampath Kumar P., Anjum Mehtab, Arijit Roy, V.K. Srivastava and P.S. Roy. 2014. Impact of drivers on the Land use/land cover change in GOA, India, International Symposium, India Geospatial Forum, 5-7 February, 2014, International Convention Centre, Hyderabad, India.
  • Srivastava, V.K., A. Roy and D. Anita. (2009) Ecology of non-timber forest products (NTFPs): assessment and mapping communicated to 13th world forestry congress, Argentina, Oct, 2009.
  • P.S. Roy and Arijit Roy (2008). Impact of Climate Change on Biodiversity: the human dimension. Proceedngs of International Seminar on Climate Change, Biodiversity and Food security in the South Asian Region, 2008, Chandigarh, India.
  • Murthy, M.S.R., Sudhakar, S., Jha, C.S., Reddy, C.S., Roy, A. et al. (2007) Biodiversity Characterisation at Landscape level using Satellite Remote Sensing and Geographical Information System in Eastern Ghats, India. Proceedings of the National Seminar on Conservation of Eastern Ghats, (Ed. S.H. Baquer, I. Sivarama Krishna, L.M. Bhakshu & C.S. Reddy) EPTRI, Hyderabad, India.
  • P.S. Roy, M.S.R. Murhty, Arijit Roy and G.S. Pujar. Earth Observation System for Resource Management. Tropical Ecology Congress – 2007, Dehradun, India
  • Murthy, M.S.R., Sudhakar, S., Jha, C.S., Reddy, C.S. Roy, A. et al. (2007) Vegetation, Land cover and Phytodiversity Characterisation at Landscape Level using Satellite Remote Sensing and Geographic Information System in Eastern Ghats, India (EPTRI-ENVIS News letter, Vol. 13(1): 1-12).
  • Technical report on “ Vulnerablity of Mountain Ecosystem to Global Change: Structure and Function” – June 2019.
  • Technical report on “Application of GPR in assessing tree root biomass in agro forestry system” - 2018.
  • Technical report on “Assessing Changes in Land Use, Land Cover and Species Distribution and the Ecosystem Vulnerability to Climate Change Analysis in the Hill Region of Darjeeling Himalaya”- July 2013.
  • Demarcation of Eco-sensitive zone in Bhagirathi River Valley. (Gazette notification released by MoEF in 2013).
  • Technical Report on Land use and land cover dynamics and impact of Human dimension in Indian River Basins: Model development and customization, IIRS & NRSC 2012.
  • Lecture Notes for M.Tech-RS & GIS, M.Sc.-NHDRM and PGD-CSSTEAP courses – 2012.
  • Biodiversity Characterization at Landscape Level in Northern Plains using Satellite remote Sensing and Geographic Information System, IIRS 2011, Bishen Singh & Mahendra Pal Singh Publishers, Dehradun.
  • Technical Report on Land use and land cover dynamics and impact of Human dimension in Indian River Basins: LULC and Change analysis, IIRS & NRSC 2011.
  • National Atlas on LULC of India (Chhattisgarh) – 2009.
  • Revised Manual for Biodiversity Characterization at Landscape Level. – 2009.
  • Monitoring Vegetation and Land cover Changes in Vana Samrakshana Samithi Areas of Andhra Pradesh using Geoinformatics Approach. 2008.
  • Biodiversity Characterization at Landscape level in Eastern Ghats and Mangrove Landscapes of East Coast using Satellite Remote Sensing and GIS - Report. 2007.
  • Forest Working Plan Inputs for 10 Forest Divisions in Orissa – 2007.
  • Biodiversity Characterization at Landscape Level – Phase II Executive Summary (2006).
  • Manual of Biodiversity Characterization 2008, NRSC, Hyderabad, India.
  • Identification of potential sites for establishment of Thermal Power Plant along East coast of Tamil Nadu. 2005.
  • Forest Working Plan Inputs for east Assam circle using RS and GIS – 2005.
Page last updated: 31 March 2022, 18:19


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