{"id":"https://openalex.org/W2901078426","doi":"https://doi.org/10.1109/igarss.2018.8519001","title":"L-, C- and X-Band Passive Microwave Soil Moisture Retrieval Algorithm Parameterization Using in Situ Validation Sites","display_name":"L-, C- and X-Band Passive Microwave Soil Moisture Retrieval Algorithm Parameterization Using in Situ Validation Sites","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901078426","doi":"https://doi.org/10.1109/igarss.2018.8519001","mag":"2901078426"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8519001","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8519001","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5101534131","display_name":"Ying Gao","orcid":"https://orcid.org/0000-0003-2569-9148"},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Ying Gao","raw_affiliation_strings":["Department of Civil Engineering, Monash University, Clayton, VIC, Australia"],"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Monash University, Clayton, VIC, Australia","institution_ids":["https://openalex.org/I56590836"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008146196","display_name":"Andreas Colliander","orcid":"https://orcid.org/0000-0003-4093-8119"},"institutions":[{"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":"Andreas Colliander","raw_affiliation_strings":["NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA"],"affiliations":[{"raw_affiliation_string":"NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007230271","display_name":"Mariko Burgin","orcid":"https://orcid.org/0000-0002-2410-9727"},"institutions":[{"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":"Mariko S. Burgin","raw_affiliation_strings":["NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA"],"affiliations":[{"raw_affiliation_string":"NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020270621","display_name":"Jeffrey P. Walker","orcid":"https://orcid.org/0000-0002-4817-2712"},"institutions":[{"id":"https://openalex.org/I185071736","display_name":"Chapman University","ror":"https://ror.org/0452jzg20","country_code":"US","type":"education","lineage":["https://openalex.org/I185071736"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey P. Walker","raw_affiliation_strings":["CEESMO, Chapman University, Orange, CA, USA"],"affiliations":[{"raw_affiliation_string":"CEESMO, Chapman University, Orange, CA, USA","institution_ids":["https://openalex.org/I185071736"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111513165","display_name":"Chun-Sik Chae","orcid":null},"institutions":[{"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":"Chunsik Chae","raw_affiliation_strings":["NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA"],"affiliations":[{"raw_affiliation_string":"NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060173842","display_name":"Emmanuel P. Dinnat","orcid":"https://orcid.org/0000-0001-9003-1182"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Emmanuel Dinnat","raw_affiliation_strings":["NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025247468","display_name":"Michael H. Cosh","orcid":"https://orcid.org/0000-0003-4776-1918"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael H. Cosh","raw_affiliation_strings":["USDA ARS, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"USDA ARS, Beltsville, MD, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007717292","display_name":"Todd G. Caldwell","orcid":"https://orcid.org/0000-0003-4068-0648"},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Todd Caldwell","raw_affiliation_strings":["Jackson School of Geosciences, University of Texas at Austin, TX, USA"],"affiliations":[{"raw_affiliation_string":"Jackson School of Geosciences, University of Texas at Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061554533","display_name":"Aaron Berg","orcid":"https://orcid.org/0000-0001-8438-5662"},"institutions":[{"id":"https://openalex.org/I79817857","display_name":"University of Guelph","ror":"https://ror.org/01r7awg59","country_code":"CA","type":"education","lineage":["https://openalex.org/I79817857"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Aaron Berg","raw_affiliation_strings":["Department of Geography, University of Guelph, Guelph, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Geography, University of Guelph, Guelph, ON, Canada","institution_ids":["https://openalex.org/I79817857"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037298167","display_name":"Jos\u00e9 Mart\u00ednez\u2010Fern\u00e1ndez","orcid":"https://orcid.org/0000-0003-0446-9693"},"institutions":[{"id":"https://openalex.org/I184999862","display_name":"Universidad de Salamanca","ror":"https://ror.org/02f40zc51","country_code":"ES","type":"education","lineage":["https://openalex.org/I184999862"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jose Martinez-Fernandez","raw_affiliation_strings":["Instituto Hispanoluso de Investigaciones Agrarias, University of Salamanca, Salamanca, Spain"],"affiliations":[{"raw_affiliation_string":"Instituto Hispanoluso de Investigaciones Agrarias, University of Salamanca, Salamanca, Spain","institution_ids":["https://openalex.org/I184999862"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5101534131"],"corresponding_institution_ids":["https://openalex.org/I56590836"],"apc_list":null,"apc_paid":null,"fwci":0.1304,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.50711578,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1434","last_page":"1437"},"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":0.9976999759674072,"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/T11333","display_name":"Climate change and permafrost","score":0.9897000193595886,"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/radiometer","display_name":"Radiometer","score":0.8054836988449097},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7542569637298584},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.714979350566864},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6881891489028931},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6821011900901794},{"id":"https://openalex.org/keywords/brightness-temperature","display_name":"Brightness temperature","score":0.6257566213607788},{"id":"https://openalex.org/keywords/microwave-radiometer","display_name":"Microwave radiometer","score":0.5244434475898743},{"id":"https://openalex.org/keywords/parametrization","display_name":"Parametrization (atmospheric modeling)","score":0.4707259237766266},{"id":"https://openalex.org/keywords/microwave","display_name":"Microwave","score":0.4606933295726776},{"id":"https://openalex.org/keywords/scatterometer","display_name":"Scatterometer","score":0.4172710180282593},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.4172234833240509},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3937685489654541},{"id":"https://openalex.org/keywords/radiative-transfer","display_name":"Radiative transfer","score":0.17389839887619019},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.14174982905387878},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.10560107231140137},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.10169216990470886},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07565289735794067},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07365083694458008}],"concepts":[{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.8054836988449097},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7542569637298584},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.714979350566864},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6881891489028931},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6821011900901794},{"id":"https://openalex.org/C53802167","wikidata":"https://www.wikidata.org/wiki/Q4538627","display_name":"Brightness temperature","level":3,"score":0.6257566213607788},{"id":"https://openalex.org/C96960616","wikidata":"https://www.wikidata.org/wiki/Q3814470","display_name":"Microwave radiometer","level":3,"score":0.5244434475898743},{"id":"https://openalex.org/C202887219","wikidata":"https://www.wikidata.org/wiki/Q3895221","display_name":"Parametrization (atmospheric modeling)","level":3,"score":0.4707259237766266},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.4606933295726776},{"id":"https://openalex.org/C2776212561","wikidata":"https://www.wikidata.org/wiki/Q905295","display_name":"Scatterometer","level":3,"score":0.4172710180282593},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.4172234833240509},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3937685489654541},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.17389839887619019},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.14174982905387878},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.10560107231140137},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10169216990470886},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07565289735794067},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07365083694458008},{"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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2018.8519001","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8519001","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.6499999761581421}],"awards":[],"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/F4320334900","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1974127093","https://openalex.org/W2039348932","https://openalex.org/W2055996025","https://openalex.org/W2056063911"],"related_works":["https://openalex.org/W771477928","https://openalex.org/W2381259876","https://openalex.org/W2016007472","https://openalex.org/W2360231461","https://openalex.org/W2413930784","https://openalex.org/W2140108161","https://openalex.org/W2005776842","https://openalex.org/W2108718386","https://openalex.org/W2109138921","https://openalex.org/W2109355119"],"abstract_inverted_index":{"Soil":[0,69,89],"moisture":[1,28,114,129,147,209,230],"plays":[2],"a":[3,21,109],"significant":[4],"role":[5],"in":[6,168,233],"disciplines":[7],"such":[8],"as":[9,268,270],"hydrology,":[10],"meteorology":[11],"and":[12,14,71,87,134,144,148,188,195,217,227,240,248],"agriculture,":[13],"passive":[15],"microwave":[16],"remote":[17],"sensing":[18],"has":[19],"become":[20],"widely":[22],"used":[23,167,174],"technique":[24],"for":[25,127,175],"global":[26],"soil":[27,113,128,146,149,208,229],"estimation":[29],"over":[30,43],"the":[31,44,84,97,121,124,141,153,169,176,184,237,245],"past":[32,45],"three":[33],"decades.":[34],"Several":[35],"satellite":[36],"missions":[37,143],"carrying":[38],"radiometers":[39],"have":[40],"been":[41],"launched":[42,60],"years.":[46],"Among":[47],"them":[48],"are":[49,173,198,220],"Japan":[50],"Aerospace":[51],"Exploration":[52],"Agency's":[53,67],"(JAXA's)":[54],"Advanced":[55,77],"Microwave":[56,78],"Scanning":[57,79],"Radiometer-EOS":[58],"(AMSR-E)":[59],"on":[61,96,120],"NASA's":[62,88],"Aqua":[63],"satellite,":[64,86],"European":[65],"Space":[66],"(ESA's)":[68],"Moisture":[70,90],"Ocean":[72],"Salinity":[73],"(SMOS)":[74],"mission,":[75],"JAXA's":[76],"Radiometer":[80],"2":[81],"(AMSR2)":[82],"onboard":[83],"GCOM-W":[85],"Active":[91],"Passive":[92],"(SMAP)":[93],"mission.":[94],"Based":[95],"availability":[98],"of":[99,123,183,202,225],"these":[100],"four":[101,142],"missions,":[102],"there":[103],"is":[104,298],"an":[105],"opportunity":[106],"to":[107,205],"develop":[108],"consistent":[110],"inter-calibrated":[111],"longterm":[112],"data":[115,151,165],"record.":[116],"This":[117,283],"study":[118],"focuses":[119],"parametrization":[122],"tau-omega":[125],"model":[126,203],"retrieval":[130,287],"at":[131,178,192,210,214,236,250,288],"L-,":[132,215],"C-":[133,216],"X-band":[135],"using":[136],"brightness":[137],"temperature":[138,150],"observations":[139,235],"from":[140,152],"in-situ":[145],"SMAP":[154,170,226],"core":[155],"validation":[156,212],"sites":[157,213,243],"across":[158],"various":[159],"land":[160],"cover":[161],"types.":[162],"The":[163,263],"ancillary":[164],"sets":[166],"baseline":[171],"algorithm":[172],"retrievals":[177,231],"different":[179,211],"frequencies.":[180],"Simultaneous":[181],"calibrations":[182],"vegetation":[185,297],"parameter":[186,190],"b":[187],"roughness":[189],"h":[191],"both":[193],"horizontal":[194],"vertical":[196],"polarizations":[197],"performed.":[199],"A":[200,222],"set":[201],"parameters":[204],"successfully":[206],"retrieve":[207],"X":[218],"-band":[219],"presented.":[221],"preliminary":[223],"comparison":[224],"AMSR2":[228],"against":[232],"situ":[234],"Yanco":[238],"(Australia)":[239],"TxSON":[241],"(U.S.)":[242],"showed":[244],"best":[246],"accuracy":[247],"correlation":[249],"L-band":[251,271],"(RMSD=0.03-0.05":[252],"m":[253,273],"<sup":[254,258,274,278],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[255,259,275,279],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">3</sup>":[256,260,276,280],"/m":[257,277],";":[261,281],"R=0.92-0.94).":[262],"C-/X-band":[264],"performance":[265],"was":[266],"not":[267],"satisfactory":[269],"(RMSD=0.08-0.17":[272],"R=0.24-0.79).":[282],"also":[284],"indicates":[285],"that":[286],"higher":[289],"frequencies":[290],"can":[291],"be":[292],"very":[293],"challenging":[294],"when":[295],"dense":[296],"present.":[299]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
