{"id":"https://openalex.org/W2024848749","doi":"https://doi.org/10.1109/igarss.2012.6351261","title":"Using polarimetric sar data to infer soil moisture from surfaces with varying subsurface moisture profiles","display_name":"Using polarimetric sar data to infer soil moisture from surfaces with varying subsurface moisture profiles","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2024848749","doi":"https://doi.org/10.1109/igarss.2012.6351261","mag":"2024848749"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2012.6351261","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351261","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007359654","display_name":"Uday K. Khankhoje","orcid":"https://orcid.org/0000-0002-9629-3922"},"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/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"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Uday K Khankhoje","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111552580","display_name":"Jakob van Zyl","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/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"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jakob van Zyl","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108378549","display_name":"Yunjin Kim","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/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"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yunjin Kim","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047145998","display_name":"T. Cwik","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/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"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas Cwik","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet propulsion Laboratory, California Inst. of Technology, 4800 Oak Grove Dr, Pasadena, 91109, USA","institution_ids":["https://openalex.org/I122411786"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9739,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.71514604,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"47","issue":null,"first_page":"1453","last_page":"1456"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9993000030517578,"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"}},{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/water-content","display_name":"Water content","score":0.7556958198547363},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.716767430305481},{"id":"https://openalex.org/keywords/moisture","display_name":"Moisture","score":0.6911733746528625},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.6800155639648438},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6497112512588501},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5723105669021606},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.5432551503181458},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5080487728118896},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.4959011971950531},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.33804193139076233},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.2584005296230316},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.20252403616905212},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.12331515550613403},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08775359392166138},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.07462164759635925},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.05687135457992554},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.056483715772628784}],"concepts":[{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.7556958198547363},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.716767430305481},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.6911733746528625},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.6800155639648438},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6497112512588501},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5723105669021606},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.5432551503181458},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5080487728118896},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.4959011971950531},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.33804193139076233},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.2584005296230316},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.20252403616905212},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.12331515550613403},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08775359392166138},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.07462164759635925},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.05687135457992554},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.056483715772628784},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"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":1,"locations":[{"id":"doi:10.1109/igarss.2012.6351261","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351261","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.5799999833106995}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1980896651","https://openalex.org/W2017224624","https://openalex.org/W2020240711","https://openalex.org/W2039348932","https://openalex.org/W2054565622","https://openalex.org/W2069756757","https://openalex.org/W2123212874","https://openalex.org/W2160708745","https://openalex.org/W2163642873","https://openalex.org/W2731873610","https://openalex.org/W4241192274","https://openalex.org/W4250094988"],"related_works":["https://openalex.org/W2026860918","https://openalex.org/W2225281849","https://openalex.org/W2612145225","https://openalex.org/W2161058488","https://openalex.org/W2059660610","https://openalex.org/W173514170","https://openalex.org/W2032438448","https://openalex.org/W2389173272","https://openalex.org/W2939295242","https://openalex.org/W2469797871"],"abstract_inverted_index":{"A":[0,47],"time-series":[1],"approach":[2],"is":[3,16,52,86,93],"used":[4,53],"to":[5,39,43,54,95],"estimate":[6],"the":[7,20,56,83,99,104],"moisture":[8,33,40,66,78,101],"content":[9],"based":[10],"on":[11,98],"polarimetric":[12],"SAR":[13],"data.":[14,46],"It":[15],"found":[17,94],"that":[18],"under":[19],"assumption":[21],"of":[22,70,74,108],"constant":[23],"soil":[24,65,100],"moisture,":[25],"empirically":[26],"observed":[27],"relationships":[28],"between":[29],"radar":[30,45,57,84],"backscatter":[31,58,85,92],"and":[32,76,82],"are":[34,80],"only":[35],"half":[36,106],"as":[37,41,67],"sensitive":[38],"compared":[42],"actual":[44],"numerical":[48],"finite":[49],"element":[50],"method":[51],"calculate":[55],"for":[59],"rough":[60],"soils":[61],"with":[62],"arbitrarily":[63],"varying":[64],"a":[68],"function":[69],"depth.":[71],"Several":[72],"instance":[73],"drying":[75],"wetting":[77],"profiles":[79],"considered":[81],"calculated":[87],"in":[88,103],"each":[89],"case.":[90],"Radar":[91],"crucially":[96],"depend":[97],"variation":[102],"top":[105],"wavelength":[107],"soil.":[109]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
