{"id":"https://openalex.org/W2986915855","doi":"https://doi.org/10.1109/igarss.2019.8897943","title":"Downscaling and Validation of SMAP Radiometer Soil Moisture in CONUS","display_name":"Downscaling and Validation of SMAP Radiometer Soil Moisture in CONUS","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2986915855","doi":"https://doi.org/10.1109/igarss.2019.8897943","mag":"2986915855"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2019.8897943","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8897943","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 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/A5045767327","display_name":"Bin Fang","orcid":"https://orcid.org/0000-0002-0448-7616"},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Bin Fang","raw_affiliation_strings":["University of Virginia, Charlottesville, VA, U.S.A"],"affiliations":[{"raw_affiliation_string":"University of Virginia, Charlottesville, VA, U.S.A","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075390584","display_name":"V. Lakshmi","orcid":"https://orcid.org/0000-0001-7431-9004"},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Venkat Lakshmi","raw_affiliation_strings":["University of Virginia, Charlottesville, VA, U.S.A"],"affiliations":[{"raw_affiliation_string":"University of Virginia, Charlottesville, VA, U.S.A","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037110476","display_name":"Rajat Bindlish","orcid":"https://orcid.org/0000-0002-1913-0353"},"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":"Rajat Bindlish","raw_affiliation_strings":["NASA Goddard Space Flight Center, Greenbelt, MD, U.S.A"],"affiliations":[{"raw_affiliation_string":"NASA Goddard Space Flight Center, Greenbelt, MD, U.S.A","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102930688","display_name":"Thomas J. Jackson","orcid":"https://orcid.org/0000-0001-6297-5290"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas J. Jackson","raw_affiliation_strings":["USDA ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, U.S.A"],"affiliations":[{"raw_affiliation_string":"USDA ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, U.S.A","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080731989","display_name":"Pang\u2010Wei Liu","orcid":"https://orcid.org/0000-0002-3789-594X"},"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":"Pang-Wei Liu","raw_affiliation_strings":["NASA Goddard Space Flight Center, Greenbelt, MD, U.S.A"],"affiliations":[{"raw_affiliation_string":"NASA Goddard Space Flight Center, Greenbelt, MD, U.S.A","institution_ids":["https://openalex.org/I1306266525"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5045767327"],"corresponding_institution_ids":["https://openalex.org/I51556381"],"apc_list":null,"apc_paid":null,"fwci":0.7823,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.69961862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"6194","last_page":"6197"},"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":0.9959999918937683,"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":0.9958999752998352,"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/downscaling","display_name":"Downscaling","score":0.9037957191467285},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7196640372276306},{"id":"https://openalex.org/keywords/data-assimilation","display_name":"Data assimilation","score":0.6528059840202332},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.5498292446136475},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.5330276489257812},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5161124467849731},{"id":"https://openalex.org/keywords/watershed","display_name":"Watershed","score":0.48552417755126953},{"id":"https://openalex.org/keywords/advanced-very-high-resolution-radiometer","display_name":"Advanced very-high-resolution radiometer","score":0.4763788878917694},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.4708768129348755},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.46865907311439514},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.4605810344219208},{"id":"https://openalex.org/keywords/water-cycle","display_name":"Water cycle","score":0.4577888250350952},{"id":"https://openalex.org/keywords/biosphere","display_name":"Biosphere","score":0.4293646514415741},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4109492599964142},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.30841922760009766},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.23328137397766113},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.14126476645469666},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11053475737571716},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10763546824455261},{"id":"https://openalex.org/keywords/precipitation","display_name":"Precipitation","score":0.08153769373893738}],"concepts":[{"id":"https://openalex.org/C41156917","wikidata":"https://www.wikidata.org/wiki/Q682831","display_name":"Downscaling","level":3,"score":0.9037957191467285},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7196640372276306},{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.6528059840202332},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.5498292446136475},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.5330276489257812},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5161124467849731},{"id":"https://openalex.org/C150547873","wikidata":"https://www.wikidata.org/wiki/Q947851","display_name":"Watershed","level":2,"score":0.48552417755126953},{"id":"https://openalex.org/C2777480484","wikidata":"https://www.wikidata.org/wiki/Q300146","display_name":"Advanced very-high-resolution radiometer","level":3,"score":0.4763788878917694},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.4708768129348755},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.46865907311439514},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.4605810344219208},{"id":"https://openalex.org/C133830359","wikidata":"https://www.wikidata.org/wiki/Q81041","display_name":"Water cycle","level":2,"score":0.4577888250350952},{"id":"https://openalex.org/C107218244","wikidata":"https://www.wikidata.org/wiki/Q42762","display_name":"Biosphere","level":2,"score":0.4293646514415741},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4109492599964142},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.30841922760009766},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.23328137397766113},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14126476645469666},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11053475737571716},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10763546824455261},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.08153769373893738},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2019.8897943","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8897943","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1963516471","https://openalex.org/W1980815032","https://openalex.org/W1992915257","https://openalex.org/W2001351094","https://openalex.org/W2039348932","https://openalex.org/W2067426984","https://openalex.org/W2097498299","https://openalex.org/W2116428100","https://openalex.org/W2117858619","https://openalex.org/W2120340076","https://openalex.org/W2135786693","https://openalex.org/W2142140549","https://openalex.org/W2147241431","https://openalex.org/W2147252434","https://openalex.org/W2150708430","https://openalex.org/W2399809112","https://openalex.org/W2599868771","https://openalex.org/W2612193913","https://openalex.org/W2895301872","https://openalex.org/W4248771187"],"related_works":["https://openalex.org/W2394436593","https://openalex.org/W3013458534","https://openalex.org/W3010558748","https://openalex.org/W2526815458","https://openalex.org/W4220911053","https://openalex.org/W2380042710","https://openalex.org/W2944582722","https://openalex.org/W4377833746","https://openalex.org/W4387102043","https://openalex.org/W769766909"],"abstract_inverted_index":{"The":[0,100,152,167,187],"SMAP":[1,33,83,169],"(Soil":[2],"Moisture":[3,185],"Active/Passive)":[4],"satellite":[5],"provides":[6,34],"global":[7],"soil":[8],"moisture":[9],"(SM)":[10],"estimates":[11],"that":[12,61],"can":[13],"be":[14],"used":[15],"for":[16],"scientific":[17],"research":[18],"and":[19,28,72,111,140],"applications":[20],"(such":[21],"as":[22],"the":[23,35,56,82,95,106,157,181,196],"hydrological":[24],"cycle,":[25],"agriculture,":[26],"ecology,":[27],"land":[29],"atmosphere":[30],"interactions).":[31],"Currently,":[32],"enhanced":[36],"radiometer-only":[37],"SM":[38,67,86,112,172,178],"product":[39,87],"(L2SMP)":[40],"at":[41],"9":[42,84],"km":[43,85,92,159,171],"grid":[44],"resolution.":[45],"However,":[46],"this":[47],"spatial":[48,65],"resolution":[49,66,93],"is":[50,103],"still":[51],"not":[52],"enough":[53],"to":[54,81,88],"satisfy":[55],"needs":[57],"of":[58,120,195],"some":[59],"studies":[60],"require":[62],"a":[63,78,90,121],"finer":[64],"product,":[68],"particularly":[69],"in":[70,176],"agricultural":[71],"watershed":[73],"applications.":[74],"This":[75,125],"study":[76],"applied":[77],"downscaling":[79,101],"algorithm":[80,102,153],"produce":[89],"1":[91,158,170],"over":[94],"CONUS":[96],"(Contiguous":[97],"United":[98],"States).":[99],"based":[104],"on":[105],"relationship":[107,126],"between":[108,148],"temperature":[109],"change":[110],"modulated":[113],"by":[114],"Normalized":[115],"Difference":[116],"Vegetation":[117],"Index":[118],"(NDVI)":[119],"given":[122],"time":[123],"period.":[124],"was":[127,154,173],"modeled":[128],"using":[129,175],"variables":[130],"derived":[131],"from":[132,180],"NLDAS":[133],"(North":[134],"America":[135],"Land":[136],"Data":[137,146],"Assimilation":[138],"System)":[139],"NASA's":[141],"LTDR":[142],"(Land":[143,163],"Long":[144],"Term":[145],"Record)":[147],"1981":[149],"-":[150],"2018.":[151],"implemented":[155],"uses":[156],"MODIS":[160],"Aqua":[161],"LST":[162],"Surface":[164],"Temperature)":[165],"product.":[166],"downscaled":[168,197],"validated":[174],"situ":[177],"measurements":[179],"ISMN":[182],"(International":[183],"Soil":[184],"Network).":[186],"validation":[188],"metrics":[189],"show":[190],"an":[191],"improved":[192],"overall":[193],"accuracy":[194],"SM.":[198]},"counts_by_year":[{"year":2021,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
