{"id":"https://openalex.org/W2293254126","doi":"https://doi.org/10.1109/tgrs.2015.2495365","title":"A Field Verification of an Algorithm for Retrieving Vegetation Water Content From Passive Microwave Observations","display_name":"A Field Verification of an Algorithm for Retrieving Vegetation Water Content From Passive Microwave Observations","publication_year":2015,"publication_date":"2015-11-18","ids":{"openalex":"https://openalex.org/W2293254126","doi":"https://doi.org/10.1109/tgrs.2015.2495365","mag":"2293254126"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2015.2495365","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2015.2495365","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","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/A5033233542","display_name":"Yohei Sawada","orcid":"https://orcid.org/0000-0003-0216-4677"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yohei Sawada","raw_affiliation_strings":["River and Environmental Engineering Laboratory, Department of Civil Engineering, The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"River and Environmental Engineering Laboratory, Department of Civil Engineering, The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005179855","display_name":"Hiroyuki Tsutsui","orcid":"https://orcid.org/0000-0003-1000-1237"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroyuki Tsutsui","raw_affiliation_strings":["River and Environmental Engineering Laboratory, Department of Civil Engineering, Japan Aerospace Exploration Agency, Tsukuba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"River and Environmental Engineering Laboratory, Department of Civil Engineering, Japan Aerospace Exploration Agency, Tsukuba, Japan","institution_ids":["https://openalex.org/I2800865746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101766542","display_name":"Toshio Koike","orcid":"https://orcid.org/0009-0005-7787-7868"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshio Koike","raw_affiliation_strings":["River and Environmental Engineering Laboratory, Department of Civil Engineering, The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"River and Environmental Engineering Laboratory, Department of Civil Engineering, The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068404849","display_name":"Mohamed Rasmy","orcid":"https://orcid.org/0000-0002-8620-3460"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mohamed Rasmy","raw_affiliation_strings":["River and Environmental Engineering Laboratory, Department of Civil Engineering, International Centre for Water Hazard and Risk Management (ICHARM), Tsukuba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"River and Environmental Engineering Laboratory, Department of Civil Engineering, International Centre for Water Hazard and Risk Management (ICHARM), Tsukuba, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023358421","display_name":"Rie SETO","orcid":"https://orcid.org/0000-0002-6732-3969"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Rie Seto","raw_affiliation_strings":["River and Environmental Engineering Laboratory, Department of Civil Engineering, The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"River and Environmental Engineering Laboratory, Department of Civil Engineering, The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112775906","display_name":"Hideyuki Fujii","orcid":null},"institutions":[{"id":"https://openalex.org/I4210157597","display_name":"Remote Sensing Technology Center of Japan","ror":"https://ror.org/04z941r10","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210157597"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideyuki Fujii","raw_affiliation_strings":["River and Environmental Engineering Laboratory, Department of Civil Engineering, Remote Sensing Technology Center of Japan, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"River and Environmental Engineering Laboratory, Department of Civil Engineering, Remote Sensing Technology Center of Japan, Tokyo, Japan","institution_ids":["https://openalex.org/I4210157597"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3346,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.87344199,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"54","issue":"4","first_page":"2082","last_page":"2095"},"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":0.9995999932289124,"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/T10644","display_name":"Cryospheric studies and observations","score":0.9961000084877014,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7645714282989502},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.6628718972206116},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.6504976153373718},{"id":"https://openalex.org/keywords/microwave","display_name":"Microwave","score":0.6209644079208374},{"id":"https://openalex.org/keywords/brightness-temperature","display_name":"Brightness temperature","score":0.5964294672012329},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5881706476211548},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"Surface roughness","score":0.5651918649673462},{"id":"https://openalex.org/keywords/microwave-radiometer","display_name":"Microwave radiometer","score":0.5378443598747253},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5332227349281311},{"id":"https://openalex.org/keywords/radiative-transfer","display_name":"Radiative transfer","score":0.5289010405540466},{"id":"https://openalex.org/keywords/atmospheric-radiative-transfer-codes","display_name":"Atmospheric radiative transfer codes","score":0.4755520522594452},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.46087127923965454},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38168153166770935},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3418109714984894},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.31123220920562744},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2663705348968506},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15114328265190125},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.10629883408546448},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06909778714179993}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7645714282989502},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.6628718972206116},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.6504976153373718},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.6209644079208374},{"id":"https://openalex.org/C53802167","wikidata":"https://www.wikidata.org/wiki/Q4538627","display_name":"Brightness temperature","level":3,"score":0.5964294672012329},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5881706476211548},{"id":"https://openalex.org/C107365816","wikidata":"https://www.wikidata.org/wiki/Q114817","display_name":"Surface roughness","level":2,"score":0.5651918649673462},{"id":"https://openalex.org/C96960616","wikidata":"https://www.wikidata.org/wiki/Q3814470","display_name":"Microwave radiometer","level":3,"score":0.5378443598747253},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5332227349281311},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.5289010405540466},{"id":"https://openalex.org/C199390426","wikidata":"https://www.wikidata.org/wiki/Q2353151","display_name":"Atmospheric radiative transfer codes","level":3,"score":0.4755520522594452},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.46087127923965454},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38168153166770935},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3418109714984894},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.31123220920562744},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2663705348968506},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15114328265190125},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.10629883408546448},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06909778714179993},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2015.2495365","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2015.2495365","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","score":0.49000000953674316,"display_name":"Clean water and sanitation"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320334900","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1544267778","https://openalex.org/W1629378741","https://openalex.org/W1633719832","https://openalex.org/W1972392924","https://openalex.org/W2001734588","https://openalex.org/W2008745681","https://openalex.org/W2018467765","https://openalex.org/W2044927495","https://openalex.org/W2056063911","https://openalex.org/W2072567364","https://openalex.org/W2097758433","https://openalex.org/W2098289300","https://openalex.org/W2100401723","https://openalex.org/W2100724327","https://openalex.org/W2102998469","https://openalex.org/W2107437432","https://openalex.org/W2113242271","https://openalex.org/W2116379108","https://openalex.org/W2121714405","https://openalex.org/W2121909975","https://openalex.org/W2126523151","https://openalex.org/W2128078927","https://openalex.org/W2139140906","https://openalex.org/W2144121839","https://openalex.org/W2160252043","https://openalex.org/W2160454972","https://openalex.org/W2166609657","https://openalex.org/W2167962096","https://openalex.org/W2171006361","https://openalex.org/W2516349795","https://openalex.org/W6726226564"],"related_works":["https://openalex.org/W2381259876","https://openalex.org/W2016007472","https://openalex.org/W2360231461","https://openalex.org/W2013323393","https://openalex.org/W2413930784","https://openalex.org/W2140108161","https://openalex.org/W2005776842","https://openalex.org/W2165236048","https://openalex.org/W2109138921","https://openalex.org/W2042943922"],"abstract_inverted_index":{"We":[0,29],"present":[1],"a":[2,91],"field-verified":[3,158],"algorithm":[4,159],"for":[5],"retrieving":[6],"vegetation":[7,18,45],"water":[8,16],"content":[9],"(VWC),":[10],"which":[11],"is":[12,69],"the":[13,38,42,56,60,63,75,81,84,87,121,151,172],"mass":[14],"of":[15,41,83,86,144,153],"in":[17,74,90],"tissue":[19],"per":[20],"ground":[21],"area,":[22],"using":[23,109,166],"observed":[24,108],"microwave":[25,34,111,168],"brightness":[26],"temperatures":[27],"(TBs).":[28],"can":[30,53,95,160],"use":[31],"6.925and":[32],"10.65-GHz":[33],"observations":[35],"to":[36,118,162],"minimize":[37],"species":[39],"dependence":[40],"relationship":[43],"between":[44],"optical":[46],"depth":[47],"(VOD)":[48],"and":[49,113,133,182],"VWC.":[50],"Then,":[51],"we":[52,78],"easily":[54],"estimate":[55],"VWC":[57,123,164],"after":[58],"obtaining":[59],"VOD.":[61],"Although":[62],"VOD":[64],"retrieved":[65],"at":[66],"these":[67],"frequencies":[68],"highly":[70],"affected":[71],"by":[72,99],"uncertainties":[73],"surface":[76,145],"roughness,":[77],"found":[79],"that":[80],"effects":[82],"bias":[85],"roughness":[88,146],"parameters":[89],"radiative":[92],"transfer":[93],"model":[94],"effectively":[96],"be":[97],"eliminated":[98],"introducing":[100],"leaf":[101],"area":[102],"index":[103],"(LAI)":[104],"data.":[105],"The":[106],"TBs":[107],"ground-based":[110],"radiometer":[112],"field-observed":[114,122],"LAI":[115],"were":[116],"used":[117],"successfully":[119],"reproduce":[120],"below":[124],"2.0":[125],"kg/m":[126,137],"<sup":[127,138],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[128,139],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[129,140],"(R2":[130],"=":[131,135],"0.712":[132],"RMSE":[134],"0.393":[136],").":[141],"This":[142,157],"strategy":[143],"correction":[147],"also":[148],"positively":[149],"impacts":[150],"performance":[152],"soil":[154],"moisture":[155],"retrieval.":[156],"contribute":[161],"globalscale":[163],"retrieval":[165],"satellite":[167],"radiometers":[169],"such":[170],"as":[171],"Advanced":[173],"Microwave":[174],"Scanning":[175],"Radiometer":[176],"on":[177],"Earth":[178],"Observation":[179],"Systems":[180],"(AMSR-E)":[181],"its":[183],"successor":[184],"(AMSR2).":[185]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
