{"id":"https://openalex.org/W2438957046","doi":"https://doi.org/10.1109/jstars.2016.2569998","title":"Application of Triple Collocation in Ground-Based Validation of Soil Moisture Active/Passive (SMAP) Level 2 Data Products","display_name":"Application of Triple Collocation in Ground-Based Validation of Soil Moisture Active/Passive (SMAP) Level 2 Data Products","publication_year":2016,"publication_date":"2016-06-16","ids":{"openalex":"https://openalex.org/W2438957046","doi":"https://doi.org/10.1109/jstars.2016.2569998","mag":"2438957046"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2016.2569998","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2016.2569998","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5100322106","display_name":"Fan Chen","orcid":"https://orcid.org/0000-0003-3257-9259"},"institutions":[{"id":"https://openalex.org/I4210144891","display_name":"Science Systems and Applications (United States)","ror":"https://ror.org/03xec1444","country_code":"US","type":"company","lineage":["https://openalex.org/I4210144891"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Fan Chen","raw_affiliation_strings":["Science System and Applications, Inc., Lanham, MD, USA"],"affiliations":[{"raw_affiliation_string":"Science System and Applications, Inc., Lanham, MD, USA","institution_ids":["https://openalex.org/I4210144891"]}]},{"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"]},{"id":"https://openalex.org/I1336096307","display_name":"United States Department of Agriculture","ror":"https://ror.org/01na82s61","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wade T. Crow","raw_affiliation_strings":["Hydrology and Remote Sensing Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"Hydrology and Remote Sensing Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA","institution_ids":["https://openalex.org/I1336096307","https://openalex.org/I1312222531"]}]},{"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/A5025247468","display_name":"Michael H. Cosh","orcid":"https://orcid.org/0000-0003-4776-1918"},"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"]},{"id":"https://openalex.org/I1336096307","display_name":"United States Department of Agriculture","ror":"https://ror.org/01na82s61","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael H. Cosh","raw_affiliation_strings":["Hydrology and Remote Sensing Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"Hydrology and Remote Sensing Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA","institution_ids":["https://openalex.org/I1336096307","https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102930688","display_name":"Thomas J. Jackson","orcid":"https://orcid.org/0000-0001-6297-5290"},"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"]},{"id":"https://openalex.org/I1336096307","display_name":"United States Department of Agriculture","ror":"https://ror.org/01na82s61","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas J. Jackson","raw_affiliation_strings":["Hydrology and Remote Sensing Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"Hydrology and Remote Sensing Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA","institution_ids":["https://openalex.org/I1336096307","https://openalex.org/I1312222531"]}]},{"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/I4210144891","display_name":"Science Systems and Applications (United States)","ror":"https://ror.org/03xec1444","country_code":"US","type":"company","lineage":["https://openalex.org/I4210144891"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rajat Bindlish","raw_affiliation_strings":["Science System and Applications, Inc., Lanham, MD, USA"],"affiliations":[{"raw_affiliation_string":"Science System and Applications, Inc., Lanham, MD, USA","institution_ids":["https://openalex.org/I4210144891"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053606298","display_name":"Rolf H. Reichle","orcid":"https://orcid.org/0000-0001-5513-0150"},"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":"Rolf H. Reichle","raw_affiliation_strings":["Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006360799","display_name":"S. Chan","orcid":"https://orcid.org/0000-0001-6731-0079"},"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":"Steven K. Chan","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/A5016124948","display_name":"David D. Bosch","orcid":"https://orcid.org/0000-0001-9021-8705"},"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"]},{"id":"https://openalex.org/I4210092482","display_name":"Southeast Watershed Research Laboratory","ror":"https://ror.org/00kj82e71","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210092482","https://openalex.org/I4210122704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David D. Bosch","raw_affiliation_strings":["Southeast Watershed Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Tifton, GA, USA"],"affiliations":[{"raw_affiliation_string":"Southeast Watershed Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Tifton, GA, USA","institution_ids":["https://openalex.org/I4210092482","https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012776200","display_name":"Patrick J. Starks","orcid":"https://orcid.org/0000-0003-2844-8993"},"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"]},{"id":"https://openalex.org/I4210108380","display_name":"Grazinglands Research Laboratory","ror":"https://ror.org/01hzjpk73","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210108380","https://openalex.org/I4210145274"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Patrick J. Starks","raw_affiliation_strings":["Grazinglands Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, El Reno, OK, USA"],"affiliations":[{"raw_affiliation_string":"Grazinglands Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, El Reno, OK, USA","institution_ids":["https://openalex.org/I4210108380","https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110662212","display_name":"David C. Goodrich","orcid":null},"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"]},{"id":"https://openalex.org/I4210143278","display_name":"Southwest Watershed Research Center","ror":"https://ror.org/03bxq7g45","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210094889","https://openalex.org/I4210143278"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David C. Goodrich","raw_affiliation_strings":["Southwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Tucson, AZ, USA"],"affiliations":[{"raw_affiliation_string":"Southwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Tucson, AZ, USA","institution_ids":["https://openalex.org/I4210143278","https://openalex.org/I1312222531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059940466","display_name":"M. S. Seyfried","orcid":"https://orcid.org/0000-0001-8081-0713"},"institutions":[{"id":"https://openalex.org/I4210091524","display_name":"Northwest Watershed Research Center","ror":"https://ror.org/00cahhs35","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210091524","https://openalex.org/I4210094889"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mark S. Seyfried","raw_affiliation_strings":["Northwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Boise, ID, USA"],"affiliations":[{"raw_affiliation_string":"Northwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Boise, ID, USA","institution_ids":["https://openalex.org/I4210091524"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":12,"corresponding_author_ids":["https://openalex.org/A5100322106"],"corresponding_institution_ids":["https://openalex.org/I4210144891"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":13.2499,"has_fulltext":false,"cited_by_count":163,"citation_normalized_percentile":{"value":0.99304477,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"10","issue":"2","first_page":"489","last_page":"502"},"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":0.9988999962806702,"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/T10716","display_name":"Soil and Unsaturated Flow","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/footprint","display_name":"Footprint","score":0.8418463468551636},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7558945417404175},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7091339826583862},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.6750391125679016},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.674683153629303},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5285904407501221},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.527070939540863},{"id":"https://openalex.org/keywords/moisture","display_name":"Moisture","score":0.44823285937309265},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.38282936811447144},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.34928929805755615},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2634347081184387},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.12969502806663513},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08797937631607056},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08462733030319214},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.0722685158252716}],"concepts":[{"id":"https://openalex.org/C132943942","wikidata":"https://www.wikidata.org/wiki/Q2562511","display_name":"Footprint","level":2,"score":0.8418463468551636},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7558945417404175},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7091339826583862},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.6750391125679016},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.674683153629303},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5285904407501221},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.527070939540863},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.44823285937309265},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.38282936811447144},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.34928929805755615},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2634347081184387},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.12969502806663513},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08797937631607056},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08462733030319214},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0722685158252716},{"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/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2016.2569998","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2016.2569998","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":0.75,"display_name":"Life in Land"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1590739740","https://openalex.org/W1804767547","https://openalex.org/W1969645208","https://openalex.org/W1995598225","https://openalex.org/W2000577636","https://openalex.org/W2003578656","https://openalex.org/W2003707405","https://openalex.org/W2012968254","https://openalex.org/W2022097401","https://openalex.org/W2033455908","https://openalex.org/W2039348932","https://openalex.org/W2044735186","https://openalex.org/W2048336910","https://openalex.org/W2053259749","https://openalex.org/W2065969377","https://openalex.org/W2116428100","https://openalex.org/W2117858619","https://openalex.org/W2123744475","https://openalex.org/W2130817140","https://openalex.org/W2132549823","https://openalex.org/W2133831422","https://openalex.org/W2135048240","https://openalex.org/W2144762672","https://openalex.org/W2152161733","https://openalex.org/W2155444674","https://openalex.org/W2159085060","https://openalex.org/W2163536269","https://openalex.org/W2163948514","https://openalex.org/W2167731682","https://openalex.org/W2167962096","https://openalex.org/W2169376978","https://openalex.org/W2278075763","https://openalex.org/W2566562679","https://openalex.org/W6635352061","https://openalex.org/W6731293995"],"related_works":["https://openalex.org/W2108512031","https://openalex.org/W2063755384","https://openalex.org/W2048409327","https://openalex.org/W2153306223","https://openalex.org/W2997015357","https://openalex.org/W2390117385","https://openalex.org/W2123825282","https://openalex.org/W1977273908","https://openalex.org/W2079990215","https://openalex.org/W2897030841"],"abstract_inverted_index":{"The":[0],"validation":[1,47,144,162,202],"of":[2,48,102,108,154,168,200,207],"the":[3,8,62,100,106,171,175,196,205,212],"soil":[4,37,51,70,111,127,149],"moisture":[5,38,52,71,112,128,150],"retrievals":[6],"from":[7,74,204],"recently":[9],"launched":[10],"National":[11],"Aeronautics":[12],"and":[13,98,117,174],"Space":[14],"Administration":[15],"(NASA)":[16],"Soil":[17,216],"Moisture":[18,217],"Active/Passive":[19],"(SMAP)":[20],"satellite":[21,63,137,147,172],"is":[22,223],"important":[23],"prior":[24],"to":[25,33,54,123,139,211],"their":[26],"full":[27],"public":[28],"release.":[29],"Uncertainty":[30],"in":[31,94,184],"attempts":[32],"characterize":[34],"footprint-scale":[35],"surface-layer":[36],"using":[39],"point-scale":[40],"ground":[41,64,96,187],"observations":[42,188],"has":[43],"generally":[44],"limited":[45],"past":[46],"remotely":[49,109],"sensed":[50,110],"products":[53],"densely":[55],"instrumented":[56],"sites":[57,163],"covering":[58],"an":[59,141],"area":[60],"approximating":[61],"footprint.":[65,197],"However,":[66],"by":[67],"leveraging":[68],"independent":[69],"information":[72],"obtained":[73,181],"land":[75],"surface":[76,148],"modeling":[77],"and/or":[78],"alternative":[79],"remote":[80],"sensing":[81],"products,":[82],"triple":[83],"collocation":[84],"(TC)":[85],"techniques":[86],"offer":[87],"a":[88,119,132],"strategy":[89,121,157,210],"for":[90,146],"characterizing":[91],"upscaling":[92],"errors":[93],"sparser":[95],"measurements":[97],"removing":[99],"impact":[101],"such":[103],"error":[104],"on":[105],"evaluation":[107],"products.":[113,152],"Here,":[114],"we":[115],"propose":[116],"validate":[118],"TC-based":[120],"designed":[122],"utilize":[124],"existing":[125],"sparse":[126],"networks":[129],"(typically":[130],"with":[131],"single":[133,192],"sampling":[134],"point":[135,194],"per":[136],"footprint)":[138],"obtain":[140],"unbiased":[142,166],"correlation":[143,169],"metric":[145],"retrieval":[151],"Application":[153],"this":[155,208],"TC":[156,209],"at":[158],"five":[159],"SMAP":[160,213],"core":[161],"suggests":[164],"that":[165],"estimates":[167],"between":[170],"product":[173,222],"true":[176],"footprint":[177],"average":[178],"can":[179],"be":[180],"-":[182],"even":[183],"cases":[185],"where":[186],"provide":[189],"only":[190],"one":[191],"reference":[193],"within":[195],"An":[198],"example":[199],"preliminary":[201],"results":[203],"application":[206],"Level":[214],"2":[215],"Passive":[218],"(beta":[219],"release":[220],"version)":[221],"presented.":[224]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":36},{"year":2020,"cited_by_count":18},{"year":2019,"cited_by_count":27},{"year":2018,"cited_by_count":16},{"year":2017,"cited_by_count":19},{"year":2016,"cited_by_count":3}],"updated_date":"2026-04-11T08:14:18.477133","created_date":"2025-10-10T00:00:00"}