Government of India

indian institute of remote sensing

Indian Space Research Organisation

ISO 9001:2008

Back

Dr. N. R. Patel

Dr. N. R. Patel Phone : 0135 - 2524138
Fax :
Email : nrpatel[At]iirs[dot]gov[dot]in
Designation : Scientist/Engineer - SG
Department : Agriculture & Soils Department
Field of Expertise : Agrometeorology
Mail Address : Agriculture & Soils Department, Indian Institute of Remote Sensing ISRO, Govt. of India, 4, Kalidas Road, Dehradun- 248001 India.
  • Geoinformatics applications in agriculture
  • Satellite agrometeorology
  • Earth Observation for Drought assessment
  • Terrestrial Biogeochemical cycles
  • Land surface processes and EO inputs
  • Indian Society of Remote Sensing
  • Association of Agrometeorologists
  • Indian Meteorological Society
  • Ph.D. (1996)-(Agrometeorology), Gujarat Agricultural University, Anand 388 110
  • Msc.  (1992) - (Agronomy), Gujarat Agricultural University, Anand 388 110
  • Bsc.  (1989) - (Agriculture), Gujarat Agricultural University, Anand 388 110
  • 1996 - till date - Indian Institute of Remote Sensing
  • Hari OM Ashram Prerit Dr. Vikram Sarabhai Research Award for Space applications (2011)
  • ISRS-SPECK AWARD 2004
  • Fellow, Bhoovigyan Vikas Foundation, New Delhi in year 2003
  • Expert Member, Selection Committee for Asst & Associate Professor(Agrometeorology), GBPAUT (2006 & 2007)
  • Secretary-ISPRS VIII/WG6 on Agriculture, Ecosystem and Biodiversity(2009-2012).
  • Member Executive council, Association of agrometeorologists (2006-2008)
  • Ph. D. thesis reviewer of Division of Agricultural Physics, IARI
  • Best technical paper (GINDm4, Colombo, Srilanka,2012)
  • Best paper award (student category-ISRS-2012, New Delhi)
  • ISRS Second Best oral paper (ISRS symposium, Nagpur 2009)
  • Best poster paper award (ISRS symposium, Jaipur 2009)
  • Best oral paper award (Association of agrometeorologists, 2001)
  • Patel, N. R. and Yadav Kamana (2015). Monitoring of spatio-temporal pattern of drought stress by use of integrated drought index over Bundelkhand region, India. Natural Hazard,77(2):663-677. DOI 10.1007/s11069-015-1614-0
  • Nayak, R. B., Patel, N. R. and Dadhwal, V. K. (2015). Spatio-temporal variability of net ecosystem productivity over India and its relationship to climatic variables. Environmental-earth Sciences, 74:1743-1753.DOI 10.1007/s12665-015-4182-4
  • Dutta, D., Kundu, A. Patel, N. R., Saha, S. K. and Siddiqui, A. R. (2015), Assessment of agricultural drought in Rajasthan (India) using remote sensing derived Vegetation Condition Index (VCI) and Standardized Precipitation Index (SPI) Egyptian Journal of Remote sensing and Space sciences, http://dx.doi.org/10.1016/j.ejrs.2015.03.006
  • Watham, T., Kushwaha, S. P. S., Patel, N. R. and Dahwal, V. K. (2014). Monitoring of carbon dioxide and water vapour exchange over a young mixed forest plantation using eddy covariance technique. Current Science, 107(5):858-867
  • Tripathi, P., Patel, N. R., Kushwaha, SPS and Dadhwal, V. K. (2014). Upscaling of leaf area index in Terai forest plantations using fine- and moderate-resolution satellite data. International Journal of Remote Sensing, Vol. 35, No. 22, 7749–7762
  • Singh, N., Patel, N. R. ,, BK Bhattacharya, P Soni, BR Parida, JS Parihar (2014). Analyzing the dynamics and inter-linkages of carbon and water fluxes in subtropical pine (Pinus roxburghii) ecosystem. Agricultural and Forest Meteorology 197, 206-218
  • Mishra, G., Kumar, A., Patel, N. R. and Zurita-Milla, R. (2014) Mapping Specific Crop Sugarcane Ratoon—A Temporal Approach. Journal of the Indian Society of Remote Sensing 42 (2), 325-334.
  • Kundu, A.; Patel, N. R., Saha, S. K. and Dutta, D. (2014). Monitoring the extent of desertification processes in western Rajasthan (India) using geo-information science. Arabian Journal Of Geosciences, DOI 10.1007/s12517-014-1645-y
  • Kundu, A.; Dutta, D., Patel, N. R.’ Saha, S. K. and Siddiqui, A. R. (2014). Identify the processes of environmental Changes of Churu District, Rajasthan (India) using remote sensing indices. Asian Journal of Geoinformatics, 14(3):14-22.
  • Suresh Kumar, Patel, N. R., Sarkar, Aditi and Dadhwal, V. K. (2013). Geo-spatial approach of agro-climatic suitability of soybean in Rainfed agroecosystem. J. Indian soc. of Remote Sensing,41:609-618.
  • Nayak R. B., Patel, N. R. and Dadhwal V. K, 2013. Inter-annual variability of terrestrial net primary productivity over India. International Journal of Climatology, 33:132-142.
  • Kumari, M., Patel, N. R. and Khayruloevich, P. Y. (2013). Estimation of crop water requirement in rice-wheat system from multitemporal AWIFS satellite data. International Journal of Geomatics and Geosciences, 4(1):61-74.
  • Dutta, D., Patel, N. R. and Venus, V. (2013) Analyzing The Applicability Of PS-N Crop Growth Model For Prediction Of Millet Yield In Eastern Rajasthan Of India. International Journal of Innovative Research & Studies 2 (10), 295-310
  • Dipanwita Dutta, Arnab Kundu & N. R. Patel (2013). Predicting agricultural drought in eastern Rajasthan of India using NDVI and standardized precipitation index. Geocarto International, 28(3):192-209.
  • C.S.Jha, T.R. Kiran Chand, R. Suraj Reddy, K.V. Raghavendra, S.P.S Kushwaha, N. R. Patel and Dadhwal, V. K. (2013). Establishment of Eddy-Flux Network in India for NEE Monitoring. Asia Flux news letter, 35:21-25.
  • Mamta Kumari, Patel, N. R., Rahul raj, Saha, S. K. and Dadhwal, V. K. 2012. Parametric estimation of net photosynthesis in rice from in situ spectral reflectance measurements. Current Science, 102(12):
  • Deka, N., Das, L. and Patel, N. R. (2012). Assessing drought condition over Southern Part of India. Journal of Agrometeorology, 14:52-57
  • Patel N. R., Parida, B., Venus, V. and Saha S. K. and Dadhwal, V. K., 2011. Analysis of agricultural drought using Vegetation temperature condition index (VTCI) from Terra/MODIS satellite data. Environmental monitoring and assessment, 184:7153–7163. DOI 10.1007/s10661-011-2487-7.
  • Patel N. R., Dadhwal, V. K and Saha, S. K. (2011). Measurement and scaling of carbon dioxide (CO2) exchange in wheat using flux-tower and remote sensing. Journal of Indian Society of Remote Sensing 39(3):383-391.
  • Dipanwita, D., Patel, N. R. and Kundu, A. (2011). Analyzing the Performance of Auto Regressive Integrated Moving Average (ARIMA) Model for Predicting Agricultural Productivity in Eastern Rajasthan. Research Journal of Agricultural Sciences (International Journal), 2(3):555-559
  • Patel, N. R., Saha, SK and Dadhwal, VK. (2010). Evaluation of MODIS data Potential to infer water stress for wheat NPP estimation. Journal of International Society of Tropical Ecology, 51(1): 93-105.
  • Nayak, R. B., Patel, N. R. and Dadhwal, VK (2010).Spatio-temporal dynamics of terrestrial net primary productivity over India. P2P News letter , 2(2)6-7.
  • Nayak, R. B., Patel, N. R. and Dadhwal, V. K. (2010). Estimation and analysis of terrestrial net primary productivity over India by using remote sensing driven CASA model. Environment monitoring and assessment, 170 (1-4): 195.213.
  • Dadhwal, VK, Kushwaha, SPS, Patel, N. R. and Yogesh Kant (2010). Carbon flux monitoring in India. ENVIS Forestry Bulletin, 9(2):46-49.
  • Patel, N. R.; Anupasha, R.; Kumar, S.; Saha, SK. and Dadhwal, VK. (2009). Assessing Potential of MODIS Derived Temperature/ Vegetation Condition Index (TVDI) to Infer Soil Moisture Status. International Journal of Remote Sensing, 30: 23–39
  • Shukla, V., Patel, N. R., Toplekin, V. and Dadhwal, V. K. (2009). Modeling Spatio-Temporal Pattern of Drought Using Three-dimensional Markov Random Field. Journal of South Asia Disaster Studies, 2:107-128.
  • Parida, B. R.; Oniam, B.; Patel, N. R. ; Shrama, N., Kandwal, R. and Hazarika, M. K. (2008). Land surface temperature variation in relation to vegetation type using MODIS satellite data in Gujarat state of India. International Journal of Remote Sensing, 29(14):4219-4235.
  • Patel, N. R., Chopra, P. and Dadhwal VK (2007). Analyzing spatial patterns of meteorological drought using standardized precipitation index. Meteorological Applications, 14:329-336.
  • Patel, N. R., Saha, SK and Dadhwal, VK (2007). Investigating the vegetation and agricultural response to EL Nino/Southern Oscillation using AVHRR data. Geocarto International ,22 (4) :237-249.
  • Patel, N. R.; Chopra, P. and Venus, V. (2007). Spatial patterns of vegetation Response to Rainfall over Gujarat Using Long-Term NOAA AVHRR Satellite Data. Deccan Geographer, 45(2):1-10.
  • Patel, N. R., Bhattacharjee, B., A. J. Mohammed, Tanu Priya and Saha, SK. (2006). Remote sensing of regional yield assessment of wheat in Haryana, India. International Journal of Remote Sensing,27(19):4071-4090.
  • Patel, N. R. (2006). Investigating Relations Between Satellite Derived Land Surface Parameters and Meteorological Variables. Geocarto International, 21(3): 48-54.
  • Patel, N. R., Rakhesh, D. and Mohammed, A. J. (2006) Mapping of Regional evepotranspiration in Wheat using Terra/MODIS satellite data. IAHS Hydrological Sciences Journal, 51(2):325-333.
  • Dutta, R., Patel, N. R. and Stein A. (2006). Can MODIS Derived NDVI provides biophysical status of Tea Bush. GIS Develoment (July issue)
  • Patel, N. R. , Mohammed A. J. and Rakesh, D. (2005). Modeling of Regional wheat yields in western UP Using Multi-temporal Terra/MODIS satellite data. Geocarto International, 21(1):
  • Patel, N. R., Suresh Kumar and L.M. Pande (2005). Quantification of Water Limited Yield in Rainfed Crops Using GIS Based Modeling. Journal of Applied Hydrology :61-67.
  • Oyuntuya, Sh.; Azzaya, D. and Patel, N. R. (2005). Satellite based estimation of land surface energy balance. Papers in Meteorology and Hydrology, 27(5) :12-20.
  • Saha, S. K., Patel, N. R. and Suresh Kumar (2004). A study of Land Degradation Assessment by Using Remote Sensing Data.The Decan Geographer, 42(2):25-34.
  • Patel, N. R. (2004). SW-CROP and its potential for mapping water deficit and relative yield potential in rainfed wheat using GIS. Journal of Agrometeorology, 6(2):178-187.
  • Patel, N. R.; Pande, L. M. and Roy, P. S. (2004). Precision Farming technologies for sustainable agriculture in India – Current status and prospectus. International Journal of ecology and environmental sciences, 30(4)
  • Patel, N. R.; Manjunath, M. N.; Shukla, M. R. and Pande, L. M. (2004). Discrimination and empirical modeling of sugarcane and wheat crops using remote sensing and ground observations. Asian Journal of Geoinformatics, 4(4): 13-24.
  • Patel, N. R. and Endang, P. (2003). Estimating spatial variability in moisture index for classifying agroclimates in mountainous environment. Asian journal of Geoinformatics, 4: (1): 53 – 59.
  • Patel, N. R.; S. Kumar.; Prasad, J. and Pande, L. M. (2002). Soil Erosion Risk Assessment and Land Use Adjustment for Soil Conservation Planning Using remote Sensing and GIS. Asian Journal of Geoinformatics, Vol. 3, No. 2:47-55.
  • Patel, N. R.; Mehta, A. N. and Shekh, A. M. (2001). Canopy Temperature and Water Stress Quantification in Rainfed Pigeonpea (Cajanus Cajan). Agricultural & Forest Meteorology,109:223-232.
  • Suresh kumar; Pande, LM and Patel N.R. (2001). Pedogenic characterization and productivity of some lateritic soils developed on different geomorphic conditions. Journal of Agropedology, 2 (1):37- 45.
  • Patel, N. R.; Mehta, A.N. and Shekh, A.M. (2000). Radiation absorption, growth and yield of pigeonpea cultivars as influenced by sowing date. Experimental Agriculture,36:1-11
  • Patel, N. R. and Mehta, A. N. (2001). Phenological Development and Yield of Two Diverse Pigeonpea [Cajanus cajan (L.) Millsp.] Genotypes in Relation to Weather. Jour. Agric. Physics,1(1): 52~57.
  • Patel, N. R;. Prasad, J. and S. Kumar. (2001). Land capability Assessment for Land Use Planning Using Remote Sensing And GIS. Journal of Agro-pedology.2(1):1-8.
  • Patel, N. R.; Mehta, A. N. and Shekh, A. M. (2001). Assessment of water stress effects in rainfed pigeonpea. Journal of Applied Hydrology, 14(1):1 – 7.
  • Patel, N. R., Mandal, U. K. and Pande, L. M. (2000). Agro-ecological Zoning System - A Remote Sensing and GIS Perspective. Journal of Agrometeorology,2(1):1-15.
  • Patel, N. R., Mehta, A. N. and Shekh, A. M. (2000). Weather factors influencing phenology and yield of two diverse pigeonpea genotypes. Journal of Agrometeorology,2(1):15-20
  • Patel, N. R.; Mehta, A.N. and Shekh, A.M. (1999). Changes in radiation use efficiency under different environmental conditions in rainfed pigeonpea (Cajanus cajan (L) Millsp.) Indian J. of Agril. Sci. 69(6):410-15.
  • Patel, N. R.; Mehta, A.N. and Shekh, A.M. (1997). Effect of sowing date and row spacing on penology and yield of two diverse genotypes of pigeonpea (Cajanus cajan (L) Millsp.) Indian J. Agric.Sci., 67(4):153-6.
  • Patel, N. R.; Mehta, A.N. and Shekh, A.M. (1997). Energy balance components and radiation absorption in pigeonpea (Cajanus cajan (L) Millsp.). Ann. of Agril. Res. 18 (3): 220 – 258
  • Patel, N. R.; Rao, B.B.; Shekh, A. M. and Venkatesh, H.V. (1995). Spectral Response of Two Diverse Pigeonpea (Cajanus cajan (L) Millsp.) Genotypes. J. Indian Soc. of Remote Sensing, 23(2):57-64.
  • Khushu, M.K.; Shekh, A.M.; Rao, B.B.; Mehta, A.N. and Patel, N. R. (1995) Leaf area estimation from leaf and total biomass measurements. Ann. of Agric. Res., 16‚ (1):40-43.
  • Krishnan, G., Saha, S. K., Kumar, S. and Patel, N. R. (2014). Remote sensing in soil fertility evaluation and Management. In: Bioresources Management for sustainable development.(Eds. R. Chandra & K. P. Raverkar) pp. 509-533.
  • Patel N. R.P (2013). Scaling of carbon and water vapor exchanges using remote sensing, flux tower and ecosystem modeling. In: Crop weather Dynamics (Eds. BB Rao & VUM Rao), CRIDA, pp. 67-74.
  • Patel N. R. (2013) Geoinformatics for drought monitoring and assessment. In: Crop weather Dynamics (Ed. BB Rao & VUM Rao), pp.169-177
  • Rajenddran, K. R. and Patel, N. R. (2012). Drought Monitoring in Rajasthan, India using Geographical Information System and Remote Sensing, Proce. 4th International Conference on Geoinformation technology for Natural Disaster Management.7-8 November 2012, Colombo, Srilanka. Pp. 77-82
  • Patel, N. R. (2009) Geo-information for Sustainable Development of Agriculture – Some Examples of North India. In: Geoinformatics for Natural Resource Management. Joshi et al (Eds), NOVA Science Publishers pp: 291-304.
  • Patel, N. R. (2009). Crop Yield Modeling Using Remotely Sensed Agrometeorological Data. In: Climate Change and Management of Weather for Sustainable Agriculture, (Eds) Venkatesh Bhardwaj, M/s Agro-tech Publishing Academy, Udaipur, Rahastahan, pp:130-145.
  • Patel, N. R. (2009). Satellite observations in relation to climate Change. In: Climate Change and Management of Weather for Sustainable Agriculture, (Eds) Venkatesh Bhardwaj, M/s Agro-tech Publishing Academy, Udaipur, Rahastahan, pp:130-145.
  • Dadhwal, V. K., Rajagopal, E. N. and Patel, N. R. (2008). Land –Atmosphere-Hydrology and Vegetation Aspects. In: Science Plan for Continental Tropical Convergence zone (CTCZ) programme, ICRP, DST, New Delhi. Pp.103-111.
  • Dadhwal, V. K. and Patel N. R. (2007). Remote Sensing and Soil moisture estimation. In: Agricultural Drought: Aspects of Micrometeorology , (Eds) YS Ramakrishna, GGSN Rao, PSN Sastry and VUM Rao, CRIDA, Hyderabad, India: 291-308
  • Patel, N. R. (2007). Spatial Decision support System: A Tool for Crop Management. In: Modeling in Resource management and Environment through Geomatics, H. S. Sharma and P. R. Binda (Eds.), Concept Publishers, New Delhi, pp.197-205.
  • Patel, N. R. (2007). Drought Monitoring by Satellite Remote Sensing. In: Modeling in Resource management and Environment through Geomatics, H. S. Sharma and P. R. Binda (Eds.), Concept Publishers, New Delhi, pp.205-218.
  • Roy, PS; Van Westen, C. J.; Noort, M.; Champatiray, P. K.;Patel, N.R.; Mitra. D. and Joshi, PK. (2000). Environmental Assessment and Disaster Management Towards an Educational Initiative using Geoinformatics. Theme paper presented in International workshop on capacity building in Geoinformatics for Environmental Assessment and Disaster Management held at Dehradun.
  • Patel, N. R. (2004). Satellite remote sensing and GIS applications in Agro-ecological characterization. In: Satellite Remote Sensing and GIS Application in Agricultural Meteorology (Edited by Sivakumar, Roy, Harmsen and Saha), WMO publication, Geneva, pp.213-234.
  • Patel, N. R. and Saha, S. K. (2003). Satellite Remote Sensing and Geographic Information System Applications in Sustainable Agriculture. In: Geoinformatics for Tropical Ecosystems, P. S. Roy (Eds.), Bishen Singh Mahendra Pal Singh, Dehradun, India
  • Mishra, G., Kumar, A.; Patel, N. R. ; Zurita-Milla, R.; Singh, A. (2012). Mapping specific crop- A multi sensor temporal approach. Proce. of Geoscience and Remote Sensing Symposium (IGARSS), 2012 DOI:10.1109/IGARSS.2012.6350786
  • Patel N. R., Sarkar Manish and Suresh Kumar (2011). Use of earth observation in geospatial crop water accounting of rainfed agro-ecosystems in India. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. 38, Part 8/W20 proceedings: Earth Observation for Terrestrial Ecosystems, pp. 23-28.
  • Patel N. R., Dadhwal, V. K., Agrawal, S. and Saha, S. K. (2011). Satellite driven estimation of primary productivity of agro-ecosystem in India. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. 38, Part 8/W20 proceedings: Earth Observation for Terrestrial Ecosystems, pp, 134-139.
  • Nayak, R. , Dadhwal, V. K., Patel, N. R. and C. B. S. Dutt, 2011. Inter-annual variability of net ecosystem productivity over India. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. 38, Part 8/W20 proceedings: Earth Observation for Terrestrial Ecosystems, pp. 125-128.
  • Nayak, R. , Dadhwal, V. K., Majmudar, A., Patel, N. R. and C. B. S. Dutt (2011) Variability of atmospheric CO2 over India and Surrounding Oceans and control by Surface Fluxes, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. Vol. 38, Part 8/W20 proceedings: Earth Observation for Terrestrial Ecosystems, pp. 96-101.
  • Dadhwal V. K., Khushwaha, SPS, Singh, Sarnam, Patel N. R. and Nayak R. B. et al (2011). Recent Results from EO Studies on Indian Carbon Cycle Assessment. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. Vol. 38, Part 8/W20 proceedings: Earth Observation for Terrestrial Ecosystems, pp. 3-9
  • Dutta, R., Patel, N. R. and Stein A. (2007). Delineation of healthy and diseases tea patches using MXL and texture based classification. The International Archieves of the Photogrammetry, Remote sensing and Spatial Information Sciences Vo. XXXVII Part B4 Beijing, China, pp. 1693-1700.
  • Patel N. R., Parida BR, Saha SK, Venus, V And Dadhwal VK (2006) Perspectives of Using Vegetation-Temperature Condition Index (VTCI) from MODIS for agricultural Drought Monitoring. Proce. of ISPRS TC-IV symposium on Geospatial databases for sustainable development, 27-30 Sep. 2006, GOA (India).
  • Suresh Kumar, Harjadi Beny and Patel N. R. (2006). Modeling approach in soil erosion risk assessment and conservation planning in hilly watershed using remote sensing and GIS. Proce. of ISPRS TC-IV symposium on Geospatial databases for sustainable development, 27-30 Sep. 2006, GOA (India).
  • Nisha Arvind; Rakhesh, D. and Patel, N. R.(2006) Crop Suitability databases for Pathanamthitta District-A Step Towards Food Security and Sustanable Development. Proce. Of Intl. Conference on Biotechnology Approaches for Alleviating Malnutrition and Human health held during 9-11 jan., 2006, UAS, Bangalore.
  • Oyuntuya, Sh.; Sanjmyatav, D.; Patel, N. R.,; Baogang (2005). Results of Land Surface Processes Using Remote Sensing Technology In Selenge Aimag, Mongolia. Proce. of Natural resources and sustainable development in surrounding regions of the Mongolian plateau," 2005, Ulaanbaatar, Mongloia, pages 200-205.
  • Suresh Kumar and Patel, N. R. (2004). Integrating Biophysical parameter for improving soil suitability of wheat using remote sensing and GIS. In: Abstract volume, National Symposium on Converging Space Technologies for National Development, held at Birla Auditorium, Jaipur, India from November 3 – 5, 2004 (Best poster award).
  • Patel, N. R. and Pande, L. M. (2002). Modelisation of LST-NDVI relationship and surface characteristics using NOAA AVHRR. In Proceeding of ISPRS Technical Commission VII Symposium on Resource and Environmental Monitoring held on 3-6 December, 2002 at Hyderabad.
  • Patel, N. R.; Endang, P.; Suresh Kumar and Pande , L.M. (2002). Agro-ecological zoning using remote sensing and GIS – A case study in part of Kumaon region. In: Sustainable agriculture development, Proce. of 2nd International Conference on Sustainable Agriculture, Water Resources Development and Earth Care Policies , 18-20 December,2002, New Delhi .
  • Patel, N. R.; Suresh kumar; Prasad, Jitendra and Pande, LM (2000). Remote Sensing and GIS based approach for conservation planning of a hilly watershed. In: Land resource management for food and environmental security, Proce. of International Conference of Land Resource Management (ICLRM) held at Delhi.
  • Roy, PS; Van Westen, C. J.; Noort, M.; Champatiray, P. K.;Patel, N. R.; Mitra. D. and Joshi, PK. (2000). Environmental Assessment and Disaster Management Towards an Educational Initiative using Geoinformatics. Theme paper presented in International workshop on capacity building in Geoinformatics for Environmental Assessment and Disaster Management held at Dehradun.
  • Patel, N. R.; Suresh Kumar and Pande, L. M. (1999). Assessment of water limited yield potential in rainfed Agriculture - A GIS Approach. In : Proce. Of International Conference on ‘Geoinformatics Beyond 2000’ held during March 9-11, 1999, IIRS, Dehradun, India.
  • Prasad, J; Suresh Kumar; Pande, L. M.; Subramanyam, C.; Patel, N. R. and Saha, S. K. (1999). Soil resource mapping and evaluation using remote sensing and GIS for land use planning – A case study of Kotdwar area. Proceeding of National Symposium on Remote Sensing Emphasis on Infrastructure development held at NRSA, Hyderabad, pp. 169 – 175
  • Dangwal, N., Patel, N. R. and Mamta Kumari. 2014. Detection of crop water stress and its impact on productivity of Cropland ecosystem. Contact (IIRS News Letter), 16(1):2.
  • Patel, N. R., 2014. मौसम पूर्वानुमान में उपग्रहीय सुदूर संवेदन की भूमिका. Contact (IIRS News Letter), 16(1): 10
  • Kumari Mamta, Saha, SK and Patel, N. R. (2013). Analysis of Temporal Radar Backscatter of Paddy using RISAT-1 SAR Data. Contact (IIRS News Letter), 15(1):5.
  • Patel, N. R., Suresh Kumar and Agarsh, M. 2013. Geospatial assessment of climate change impact on maize productivity in Doon Valley. Contact (IIRS news letter), 15(2):3.
  • Suresh Kumar, Patel, N. R. and Saha, SK. (2011). FAO-AEZ approach in agricultural land use planning in rainfed agro-ecosystem. Contact (IIRS News Letter), 13(2):11-12.
  • Patel, N. R. (2004). Crop Modeling for regional wheat productivity analysis. Contact (IIRS news letter), 6(2):9-10.
  • Patel, N. R. (2005). The water productivity Challenge:Growing more food with less water. Contact IIRS news letter), 6-7.

Abstracts (symposium/workshops)

  • Patel, N. R., Kushwaha, SPS, Kant Y., Saha S. K. and Dadhwal, V. K. (2014). Evaluation of energy balance components during transition phases of monsoon over forest and cropland ecosystem. Lead Paper presented at Int. Symposium on New dimension in Agrometeorolgy for sustainable agriculture (NASA-2014) during 16-18 October at Pantnagar, India.
  • Dangwal, Nitika, Patel, N. R. and Mamta Kumari (2014). Estimating evapotranspiration and water stress over wheat using optical and thermal infrared bands of Landsat-TM data. Paper presented at Int. Symposium on New dimension in Agrometeorolgy for sustainable agriculture (NASA-2014) during 16-18 October at Pantnagar, India.
  • Ponraj and Patel, N. R. (2014). Estimation of instantaneous air temperature at Terra-MODIS satellite overpass using TVX approach over Andhra Pradesh and Karnataka. Paper presented at Int. Symposium on New dimension in Agrometeorolgy for sustainable agriculture (NASA-2014) during 16-18 October at Pantnagar, India.
  • Suresh Kumar, Patel, N. R. and Sarkar, A. (2014). Geospatial approach in estimating climatic and crop-specific length of growing period (LGP) for crop planning in rainfed area. Lead Paper presented at Int. Symposium on New dimension in Agrometeorolgy for sustainable agriculture (NASA-2014) during 16-18 October at Pantnagar, India.
  • Dandodia, A. Sehgal, VK, Mukherjee, J. and Patel, N. R. (2014). Diurnal and seasonal patterns of sensible and latent heat fluxes from irrigated agroecosystem by Large Aperture Scintillometry. Paper presented at Int. Symposium on New dimension in Agrometeorolgy for sustainable agriculture (NASA-2014) during 16-18 October at Pantnagar, India.
  • Kirtigha, M. and Patel, N. R. (2012). Use of satellite derived land surface parameters for regional weather simulation by WRF model. Paper presented at ISRS 2012 symposium on Remote sensing application with emphasis on Food security, December 5-7, 2012, IARI, New Delhi.
  • Pradeep Bisen and N. R. Patel (2012). Feasibility of Using High resolution and hyperspectral Remote sensing for biophysical characterization of agro-forestry systems. Paper presented at ISRS 2012 sumposim on Remote sensing application with emphasis on Food security, December 5-7, 2012, IARI, New Delhi.
  • Patel, N. R., S. K. Saha, Dadhwal, VK, Kim, Innd and Nagi, M. (2012) Estimation of agro-hydrological variables by integrated optical and thermal-infrared observations Paper presented at ISRS 2012 Symposium on Remote sensing application with emphasis on Food security, December 5-7, 2012, IARI, New Delhi.
  • Patel, N. R.; Saha, S. K. And Dadhwal, V. K. (2008). Evaluation of optical/microwave indices to assess surface soil moisture as an indicator of drought. Presented at International Symposium on Agrometeorology and Food Security, 18-21 Feb., 2008, CRIDA, Hyderabad.
  • Patel, N. R. Rajendran, K., Saha, S. K. and Dadhwal, V. K. (2008). Drought assessment in Rajasthan Using Meteorological and Remote Sensing Indicators. Presented at International Symposium on Agrometeorology and Food Security, 18-21 Feb., 2008, CRIDA, Hyderabad.
  • Patel, N. R.; Saha, SK and Dadhwal, VK (2005). Regional assessment of wheat yield from Terra/MODIS satellite Data. MODIS data Utilization workshop, 19-21 April, 2005 at SAC, Ahmedabad.
  • Patel, N. R., Suresh Kumar and Thein Swe (2005) Crop yield estimation in wheat by integrating RS, land and Management factors. Compendium of abstracts, National Symposium on Emergence of Geoinformatics for Development: Trends & Opportunities, Dec 6-9, 2005 at Ranchi, India.
  • Oyuntuya, Sh.; Sanjmyatav, D.; Patel, N. R.,; Baogang (2005). Results of Land Surface Processes Using Remote Sensing Technology In Selenge Aimag, Mongolia. Proce. of Natural resources and sustainable development in surrounding regions of the Mongolian plateau," 2005, Ulaanbaatar, Mongloia, pages 200-205.
  • Patel, N. R., Mohammed, A. J., Tanu Priya and Jakirov, J. (2004). Mapping of crop water demand of wheat using TERRA/MODIS standard products. Presented at National Symposium on Converging Space Technologies for National Development, held at Birla Auditorium, Jaipur, India from November 3 – 5, 2004
  • Suresh Kumar and Patel, N. R. (2004). Integating Biophysical parameter for improving soil suitability of wheat using remote sensing and GIS. In: Abstract volume, National Symposium on Converging Space Technologies for National Development, held at Birla Auditorium, Jaipur, India from November 3 – 5, 2004 (Best poster award).