{"id":"https://openalex.org/W2051312358","doi":"https://doi.org/10.1109/igarss.2015.7327003","title":"Evaluating the application of microwave-based vegetation observations in an operational soil moisture data assimilation system","display_name":"Evaluating the application of microwave-based vegetation observations in an operational soil moisture data assimilation system","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W2051312358","doi":"https://doi.org/10.1109/igarss.2015.7327003","mag":"2051312358"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2015.7327003","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7327003","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","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/A5043117903","display_name":"I. E. Mladenova","orcid":"https://orcid.org/0000-0001-9306-7690"},"institutions":[{"id":"https://openalex.org/I4210144776","display_name":"Earth System Science Interdisciplinary Center","ror":"https://ror.org/042607708","country_code":"US","type":"facility","lineage":["https://openalex.org/I4210144776","https://openalex.org/I66946132"]},{"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":true,"raw_author_name":"Iliana E. Mladenova","raw_affiliation_strings":["NASA Goddard Space Flight Center, Greenbelt, MD, USA","UMD Earth System Science Interdisciplinary Center, College Park, MD, USA"],"affiliations":[{"raw_affiliation_string":"NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]},{"raw_affiliation_string":"UMD Earth System Science Interdisciplinary Center, College Park, MD, USA","institution_ids":["https://openalex.org/I4210144776"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046850075","display_name":"John Bolten","orcid":"https://orcid.org/0000-0002-1101-9845"},"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":"John. D. Bolten","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/A5087783891","display_name":"Wade T. Crow","orcid":"https://orcid.org/0000-0002-8217-261X"},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wade Crow","raw_affiliation_strings":["USDA-ARS Hydrology and Remote Sensing Lab, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"USDA-ARS Hydrology and Remote Sensing Lab, Beltsville, MD, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086850291","display_name":"Richard de Jeu","orcid":"https://orcid.org/0000-0002-4498-8984"},"institutions":[{"id":"https://openalex.org/I4210124726","display_name":"Technology Centre Prague","ror":"https://ror.org/02tc3qm58","country_code":"CZ","type":"nonprofit","lineage":["https://openalex.org/I4210124726"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Richard de Jeu","raw_affiliation_strings":["Transmissivity Space Technology Centre, Noordwijk, NL"],"affiliations":[{"raw_affiliation_string":"Transmissivity Space Technology Centre, Noordwijk, NL","institution_ids":["https://openalex.org/I4210124726"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5043117903"],"corresponding_institution_ids":["https://openalex.org/I1306266525","https://openalex.org/I4210144776"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.04816949,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"7","issue":null,"first_page":"5190","last_page":"5193"},"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":0.9957000017166138,"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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9934999942779541,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/data-assimilation","display_name":"Data assimilation","score":0.8625994920730591},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7680917978286743},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.7389776706695557},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.6659231185913086},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.595980167388916},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5825555324554443},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5306999087333679},{"id":"https://openalex.org/keywords/ensemble-kalman-filter","display_name":"Ensemble Kalman filter","score":0.4646790325641632},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.39976656436920166},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.32958853244781494},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.32925185561180115},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.3214947581291199},{"id":"https://openalex.org/keywords/extended-kalman-filter","display_name":"Extended Kalman filter","score":0.11998605728149414},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10715600848197937},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09926962852478027},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09491130709648132},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08900859951972961},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.08192908763885498}],"concepts":[{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.8625994920730591},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7680917978286743},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.7389776706695557},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.6659231185913086},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.595980167388916},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5825555324554443},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5306999087333679},{"id":"https://openalex.org/C79334102","wikidata":"https://www.wikidata.org/wiki/Q3072268","display_name":"Ensemble Kalman filter","level":4,"score":0.4646790325641632},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.39976656436920166},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.32958853244781494},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.32925185561180115},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.3214947581291199},{"id":"https://openalex.org/C206833254","wikidata":"https://www.wikidata.org/wiki/Q5421817","display_name":"Extended Kalman filter","level":3,"score":0.11998605728149414},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10715600848197937},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09926962852478027},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09491130709648132},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08900859951972961},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.08192908763885498},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical 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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2015.7327003","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7327003","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1972236369","https://openalex.org/W2001575990","https://openalex.org/W2067426984","https://openalex.org/W2092901192","https://openalex.org/W2107437432","https://openalex.org/W2108031818","https://openalex.org/W2128246115","https://openalex.org/W2132549823","https://openalex.org/W2169376978","https://openalex.org/W2171810506","https://openalex.org/W4402086095"],"related_works":["https://openalex.org/W1949985943","https://openalex.org/W4212971657","https://openalex.org/W2363380593","https://openalex.org/W2377052976","https://openalex.org/W2089385108","https://openalex.org/W2991541038","https://openalex.org/W2393565244","https://openalex.org/W2613759229","https://openalex.org/W2354857671","https://openalex.org/W2525014937"],"abstract_inverted_index":{"A":[0,22],"primary":[1],"operational":[2],"goal":[3],"of":[4,9,25,101,134],"the":[5,56,71,93,110,132],"United":[6],"States":[7],"Department":[8],"Agriculture":[10],"(USDA)":[11],"is":[12,30,83,96,117],"to":[13,64],"improve":[14],"foreign":[15],"market":[16],"access":[17],"for":[18,48,106],"U.S.":[19],"agricultural":[20],"products.":[21],"large":[23],"fraction":[24],"this":[26,49,128],"crop":[27],"condition":[28],"assessment":[29],"based":[31,52,84],"on":[32,53,85],"satellite":[33],"imagery":[34],"and":[35],"ground":[36],"data":[37,80],"analysis.":[38],"The":[39,78,114],"baseline":[40],"soil":[41,60,111],"moisture":[42,61,112],"estimates":[43],"that":[44],"are":[45,51],"currently":[46,118],"used":[47],"analysis":[50],"output":[54],"from":[55,70],"modified":[57],"Palmer":[58],"two-layer":[59],"model,":[62],"updated":[63],"assimilate":[65],"near-real":[66],"time":[67],"observations":[68],"derived":[69],"Soil":[72],"Moisture":[73],"Ocean":[74],"Salinity":[75],"(SMOS)":[76],"satellite.":[77],"current":[79],"assimilation":[81],"system":[82],"a":[86,99],"1-D":[87],"Ensemble":[88],"Kalman":[89],"Filter":[90],"approach,":[91],"where":[92],"observation":[94,115],"error":[95,116],"modeled":[97],"as":[98],"function":[100],"vegetation":[102,137],"density.":[103],"This":[104],"allows":[105],"offsetting":[107],"errors":[108],"in":[109],"retrievals.":[113],"adjusted":[119],"using":[120],"Normalized":[121],"Difference":[122],"Vegetation":[123],"Index":[124],"(NDVI)":[125],"climatology.":[126],"In":[127],"paper":[129],"we":[130],"explore":[131],"possibility":[133],"utilizing":[135],"microwave-based":[136],"optical":[138],"depth":[139],"instead.":[140]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
