{"id":"https://openalex.org/W3206498877","doi":"https://doi.org/10.1109/jstars.2021.3117273","title":"Soil Moisture Retrieval Using SMAP L-Band Radiometer and RISAT-1 C-Band SAR Data in the Paddy Dominated Tropical Region of India","display_name":"Soil Moisture Retrieval Using SMAP L-Band Radiometer and RISAT-1 C-Band SAR Data in the Paddy Dominated Tropical Region of India","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3206498877","doi":"https://doi.org/10.1109/jstars.2021.3117273","mag":"3206498877"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2021.3117273","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3117273","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09565363.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09565363.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070290852","display_name":"Gurjeet Singh","orcid":"https://orcid.org/0000-0002-8340-2632"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]},{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]},{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I99729588","display_name":"Indian Institute of Technology Bhubaneswar","ror":"https://ror.org/04gx72j20","country_code":"IN","type":"education","lineage":["https://openalex.org/I99729588"]}],"countries":["IN","US"],"is_corresponding":false,"raw_author_name":"Gurjeet Singh","raw_affiliation_strings":["Department of Civil Engineering, School of Infrastructure, Indian Institute of Technology Bhubaneswar, 231530 Bhubaneswar, Odisha, India, 752050 (e-mail: gs.iitbbs@gmail.com)","Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Institute of Technology Bhubaneswar, Odisha, India","Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","Michigan State University, East Lansing, USA"],"raw_orcid":"https://orcid.org/0000-0002-8340-2632","affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, School of Infrastructure, Indian Institute of Technology Bhubaneswar, 231530 Bhubaneswar, Odisha, India, 752050 (e-mail: gs.iitbbs@gmail.com)","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077050845","display_name":"Narendra N. Das","orcid":"https://orcid.org/0000-0003-1634-3879"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]},{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]},{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I99729588","display_name":"Indian Institute of Technology Bhubaneswar","ror":"https://ror.org/04gx72j20","country_code":"IN","type":"education","lineage":["https://openalex.org/I99729588"]}],"countries":["IN","US"],"is_corresponding":false,"raw_author_name":"Narendra Das","raw_affiliation_strings":["Biosystems & Agricultural Engg and Civil & Environmental Engg, Michigan State University, 3078 East Lansing, Michigan, United States, 48824 (e-mail: dasnaren@msu.edu)","Institute of Technology Bhubaneswar, Odisha, India","Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Michigan State University, East Lansing, USA","Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA"],"raw_orcid":"https://orcid.org/0000-0003-1634-3879","affiliations":[{"raw_affiliation_string":"Biosystems & Agricultural Engg and Civil & Environmental Engg, Michigan State University, 3078 East Lansing, Michigan, United States, 48824 (e-mail: dasnaren@msu.edu)","institution_ids":["https://openalex.org/I87216513"]},{"raw_affiliation_string":"Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]},{"raw_affiliation_string":"Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","institution_ids":["https://openalex.org/I91045830"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104157371","display_name":"Rabindra Kumar Panda","orcid":null},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]},{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]},{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I99729588","display_name":"Indian Institute of Technology Bhubaneswar","ror":"https://ror.org/04gx72j20","country_code":"IN","type":"education","lineage":["https://openalex.org/I99729588"]}],"countries":["IN","US"],"is_corresponding":false,"raw_author_name":"Rabindra Panda","raw_affiliation_strings":["Department of Civil Engineering, School of Infrastructure, Indian Institute of Technology Bhubaneswar, 231530 Bhubaneswar, Odisha, India, (e-mail: rkpanda@iitbbs.ac.in)","Michigan State University, East Lansing, USA","School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Institute of Technology Bhubaneswar, Odisha, India","Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, School of Infrastructure, Indian Institute of Technology Bhubaneswar, 231530 Bhubaneswar, Odisha, India, (e-mail: rkpanda@iitbbs.ac.in)","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]},{"raw_affiliation_string":"School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060650862","display_name":"Binayak P. Mohanty","orcid":"https://orcid.org/0000-0001-9381-7279"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]},{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]},{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I99729588","display_name":"Indian Institute of Technology Bhubaneswar","ror":"https://ror.org/04gx72j20","country_code":"IN","type":"education","lineage":["https://openalex.org/I99729588"]}],"countries":["IN","US"],"is_corresponding":false,"raw_author_name":"Binayak Mohanty","raw_affiliation_strings":["Bio & Ag. Eng., Texas A&M University, College Station, Texas, United States, 77843-2117 (e-mail: bmohanty@tamu.edu)","Michigan State University, East Lansing, USA","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","Institute of Technology Bhubaneswar, Odisha, India","Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bio & Ag. Eng., Texas A&M University, College Station, Texas, United States, 77843-2117 (e-mail: bmohanty@tamu.edu)","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","institution_ids":["https://openalex.org/I91045830"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085491613","display_name":"Dara Entekhabi","orcid":"https://orcid.org/0000-0002-8362-4761"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]},{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]},{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]},{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I99729588","display_name":"Indian Institute of Technology Bhubaneswar","ror":"https://ror.org/04gx72j20","country_code":"IN","type":"education","lineage":["https://openalex.org/I99729588"]}],"countries":["IN","US"],"is_corresponding":false,"raw_author_name":"Dara Entekhabi","raw_affiliation_strings":["48-216C, MIT, Cambridge, Massachusetts, United States, 02139 (e-mail: darae@mit.edu)","Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Institute of Technology Bhubaneswar, Odisha, India","Michigan State University, East Lansing, USA"],"raw_orcid":"https://orcid.org/0000-0002-8362-4761","affiliations":[{"raw_affiliation_string":"48-216C, MIT, Cambridge, Massachusetts, United States, 02139 (e-mail: darae@mit.edu)","institution_ids":["https://openalex.org/I4210110987"]},{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077442056","display_name":"Bimal K. Bhattacharya","orcid":null},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]},{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]},{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I99729588","display_name":"Indian Institute of Technology Bhubaneswar","ror":"https://ror.org/04gx72j20","country_code":"IN","type":"education","lineage":["https://openalex.org/I99729588"]}],"countries":["IN","US"],"is_corresponding":false,"raw_author_name":"Bimal Bhattacharya","raw_affiliation_strings":["Remote Sensing Application Area, Space Applications Centre, ISRO, Ahmedabad, India, 380015 (e-mail: bkbhattacharya@sac.isro.gov.in)","School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","Michigan State University, East Lansing, USA","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Propulsion Laboratory, California Institute of Technology, Pasadena, USA","Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","Institute of Technology Bhubaneswar, Odisha, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Application Area, Space Applications Centre, ISRO, Ahmedabad, India, 380015 (e-mail: bkbhattacharya@sac.isro.gov.in)","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]},{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Department of Biological and Agricultural Engineering, Texas A&M University, College Station, Texas, USA","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"Institute of Technology Bhubaneswar, Odisha, India","institution_ids":["https://openalex.org/I99729588"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":{"value":1250,"currency":"USD","value_usd":1250},"fwci":1.0988,"has_fulltext":true,"cited_by_count":16,"citation_normalized_percentile":{"value":0.74293099,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"14","issue":null,"first_page":"10644","last_page":"10664"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7481755018234253},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7241976261138916},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.6956026554107666},{"id":"https://openalex.org/keywords/l-band","display_name":"L band","score":0.6906675100326538},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6762608289718628},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5418491959571838},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4992063045501709},{"id":"https://openalex.org/keywords/moisture","display_name":"Moisture","score":0.477235347032547},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.46811598539352417},{"id":"https://openalex.org/keywords/c-band","display_name":"C band","score":0.4445395767688751},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.30260398983955383},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2209339737892151}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7481755018234253},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7241976261138916},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.6956026554107666},{"id":"https://openalex.org/C133969743","wikidata":"https://www.wikidata.org/wiki/Q2362353","display_name":"L band","level":2,"score":0.6906675100326538},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6762608289718628},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5418491959571838},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4992063045501709},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.477235347032547},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.46811598539352417},{"id":"https://openalex.org/C63944557","wikidata":"https://www.wikidata.org/wiki/Q27786604","display_name":"C band","level":2,"score":0.4445395767688751},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.30260398983955383},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2209339737892151},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/jstars.2021.3117273","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3117273","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09565363.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:465a46df6d3346239520afc4b5c0dd35","is_oa":true,"landing_page_url":"https://doaj.org/article/465a46df6d3346239520afc4b5c0dd35","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 10644-10664 (2021)","raw_type":"article"},{"id":"pmh:oai:dspace.mit.edu:1721.1/148559","is_oa":true,"landing_page_url":"https://hdl.handle.net/1721.1/148559","pdf_url":null,"source":{"id":"https://openalex.org/S4306400425","display_name":"DSpace@MIT (Massachusetts Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63966007","host_organization_name":"Massachusetts Institute of Technology","host_organization_lineage":["https://openalex.org/I63966007"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE","raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2021.3117273","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3117273","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09565363.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Clean water and sanitation","score":0.5,"id":"https://metadata.un.org/sdg/6"}],"awards":[{"id":"https://openalex.org/G494924416","display_name":null,"funder_award_id":"ITRA/15(67)/WATER/IGLQ/01","funder_id":"https://openalex.org/F4320325255","funder_display_name":"Ministry of Electronics and Information technology"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320320719","display_name":"Department of Science and Technology, Ministry of Science and Technology, India","ror":"https://ror.org/0101xrq71"},{"id":"https://openalex.org/F4320320722","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71"},{"id":"https://openalex.org/F4320325255","display_name":"Ministry of Electronics and Information technology","ror":null},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3206498877.pdf","grobid_xml":"https://content.openalex.org/works/W3206498877.grobid-xml"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W1499867714","https://openalex.org/W1504722246","https://openalex.org/W1516935007","https://openalex.org/W1864031927","https://openalex.org/W1968210987","https://openalex.org/W1971617674","https://openalex.org/W1974948123","https://openalex.org/W1979393293","https://openalex.org/W1982188349","https://openalex.org/W1988445395","https://openalex.org/W2007333059","https://openalex.org/W2012360584","https://openalex.org/W2015294247","https://openalex.org/W2024903254","https://openalex.org/W2028979033","https://openalex.org/W2036159872","https://openalex.org/W2039348932","https://openalex.org/W2044465660","https://openalex.org/W2057792320","https://openalex.org/W2060199580","https://openalex.org/W2062763853","https://openalex.org/W2065045628","https://openalex.org/W2072567364","https://openalex.org/W2077509829","https://openalex.org/W2084561921","https://openalex.org/W2096349624","https://openalex.org/W2097771612","https://openalex.org/W2100401723","https://openalex.org/W2114553375","https://openalex.org/W2128033169","https://openalex.org/W2133059825","https://openalex.org/W2134012403","https://openalex.org/W2137213180","https://openalex.org/W2141219203","https://openalex.org/W2144137496","https://openalex.org/W2150021548","https://openalex.org/W2159432279","https://openalex.org/W2163731467","https://openalex.org/W2169311789","https://openalex.org/W2330427943","https://openalex.org/W2345777608","https://openalex.org/W2540820653","https://openalex.org/W2572547067","https://openalex.org/W2650011260","https://openalex.org/W2727969574","https://openalex.org/W2762180336","https://openalex.org/W2770395892","https://openalex.org/W2801864473","https://openalex.org/W2901534097","https://openalex.org/W2916233489","https://openalex.org/W2931296521","https://openalex.org/W2956988384","https://openalex.org/W2972262484","https://openalex.org/W2983346718","https://openalex.org/W6630341831","https://openalex.org/W6684427594"],"related_works":["https://openalex.org/W2548732733","https://openalex.org/W2160659837","https://openalex.org/W2986946135","https://openalex.org/W2151515459","https://openalex.org/W2100277028","https://openalex.org/W1995803540","https://openalex.org/W2167226100","https://openalex.org/W1999573859","https://openalex.org/W4386631163","https://openalex.org/W4312560350"],"abstract_inverted_index":{"NASA's":[0],"Soil":[1],"Moisture":[2],"Active":[3],"Passive":[4],"(SMAP)":[5],"mission":[6,84],"potential":[7],"to":[8,16,58,141,233],"produce":[9],"high-resolution":[10],"soil":[11,60,129,167,181,191,211,235],"moisture":[12,61,130,168,182,192,212,236],"suffered":[13],"adversely":[14],"due":[15],"its":[17],"L-band":[18],"synthetic-aperture":[19],"radar":[20],"(SAR)":[21],"failure.":[22],"Other":[23],"satellite-based":[24],"L-/C-band":[25],"SAR":[26,51],"observations":[27,52],"can":[28],"be":[29],"used":[30],"within":[31],"the":[32,41,54,69,82,98,106,115,123,170,214,226],"SMAP":[33,55,83],"active-passive":[34,56,85,124,231],"algorithm.":[35],"In":[36],"this":[37],"study,":[38],"we":[39],"evaluated":[40],"capability":[42],"of":[43,108,118,180,228],"ingesting":[44],"ISRO's":[45],"Radar":[46],"Imaging":[47],"Satellite-1":[48],"(RISAT-1)":[49],"C-band":[50],"in":[53,113,122,225],"algorithm":[57,86,232],"obtain":[59],"at":[62,132,163,184],"1,":[63],"3,":[64],"and":[65,135,158,165,244],"9":[66,185],"km":[67,134,137,186],"over":[68,218],"agricultural":[70],"region":[71],"dominant":[72],"by":[73],"paddy":[74],"that":[75,105],"experiences":[76],"seasonal":[77],"flooding.":[78],"We":[79],"also":[80],"improved":[81],"with":[87,188],"a":[88,207,229],"dynamic":[89,249],"surface":[90,109,119,250],"water":[91,110,120,251],"bodies":[92,121],"(ponding":[93],"conditions)":[94],"masking":[95],"approach":[96],"using":[97],"native":[99],"RISAT-1":[100],"observations.":[101],"The":[102,127,220],"study":[103],"shows":[104,194],"use":[107],"masks":[111],"helps":[112],"mitigating":[114],"negative":[116],"impact":[117],"disaggregation":[125],"process.":[126],"SMAP-RISAT":[128],"retrievals":[131,183],"1":[133],"3":[136,152,154,176,200],"resolutions":[138],"are":[139],"found":[140],"have":[142],"high":[143,159],"unbiased":[144],"root-mean-square":[145],"error":[146],"(ubRMSE)":[147],"greater":[148],"than":[149,197],"0.06":[150,174],"m":[151,175,199],"/m":[153,177,201],"during":[155],"very":[156],"wet":[157],"vegetative":[160],"conditions.":[161],"However,":[162],"low":[164],"moderate":[166],"states":[169],"ubRMSE":[171,195],"is":[172,206],"below":[173],"3.":[178,202],"Comparison":[179],"resolution":[187],"upscaled":[189],"ground-based":[190],"measurements":[193],"less":[196],"0.04":[198],"This":[203],"research":[204],"work":[205],"precursor":[208],"for":[209,213,237],"estimating":[210],"upcoming":[215],"RISAT-1A":[216],"dataset":[217],"India.":[219],"findings":[221],"will":[222],"further":[223],"help":[224],"implementation":[227],"microwave":[230],"retrieve":[234],"future":[238],"satellite":[239],"missions":[240],"involving":[241],"radiometer-SAR":[242],"instruments,":[243],"challenging":[245],"geophysical":[246],"conditions":[247],"(i.e.,":[248],"bodies).":[252]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
