P
P. G. Diwakar
Researcher at Indian Space Research Organisation
Publications - 17
Citations - 522
P. G. Diwakar is an academic researcher from Indian Space Research Organisation. The author has contributed to research in topics: Secondary forest & Deforestation. The author has an hindex of 9, co-authored 16 publications receiving 388 citations.
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Journal ArticleDOI
Quantification and monitoring of deforestation in India over eight decades (1930–2013)
C. Sudhakar Reddy,Chandra Shekhar Jha,Vinay Kumar Dadhwal,P. Hari Krishna,S. Vazeed Pasha,K. V. Satish,Kalloli Dutta,K.R.L. Saranya,F. Rakesh,Gopalakrishnan Rajashekar,P. G. Diwakar +10 more
TL;DR: In this article, the authors presented a multi-date forest cover database which describes and quantifies historical and recent changes in natural forests of India and facilitated the determination of the state of Indian forest cover changes over last eight decades.
Journal ArticleDOI
Landslides triggered by the June 2013 extreme rainfall event in parts of Uttarakhand state, India
Tapas R. Martha,Priyom Roy,K. Babu Govindharaj,K. Vinod Kumar,P. G. Diwakar,Vinay Kumar Dadhwal +5 more
TL;DR: In this article, the authors present a corroboration of observations gathered from very high resolution satellite data which indicated that two events in close succession caused damage to the Kedarnath town.
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Satellite-based assessment of the catastrophic Jhelum floods of September 2014, Jammu & Kashmir, India
C. M. Bhatt,Goru Srinivasa Rao,Majid Farooq,P. Manjusree,Abhinav Kumar Shukla,Satish Sharma,S. S. Kulkarni,Asiya Begum,V. Bhanumurthy,P. G. Diwakar,Vinay Kumar Dadhwal +10 more
TL;DR: In this article, a multi-temporal synthetic aperture radar (SAR) satellite images acquired from Indian Remote Sensing (IRS) satellite RISAT-1 and Canadian satellite Radarsat-2 during the peak flood period (08th-23rd September 2014) are used for extraction of flood disaster footprints, mapping spatial and temporal dynamics of flood inundation and assessing the disaster impact.
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Development of national database on long-term deforestation (1930–2014) in Bangladesh
TL;DR: In this article, the authors presented a nation-wide spatial database on forest cover to assess and monitor the land use changes associated with deforestation in Bangladesh and identified the deforestation hotspots.
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Reflectance spectroscopy and ASTER based mapping of rock-phosphate in parts of Paleoproterozoic sequences of Aravalli group of rocks, Rajasthan, India
Arindam Guha,K. Vinod Kumar,Alok Porwal,Alok Porwal,Komal Rani,Kishore Sahoo,S.R. Aneesh Kumar,V. Singaraju,Ravi P. Singh,M.K. Khandelwal,P. Raju,P. G. Diwakar +11 more
TL;DR: In this article, the authors applied reflectance spectroscopy and Advanced Space borne thermal emission reflection radiometer (ASTER) data processing to delineate dolomite-hosted rock phosphate around Udaipur City, Western India, using visible-near infrared (VNIR) and short wave infrared (SWIR) bands of the ASTER sensor.