{"id":"https://openalex.org/W2132869515","doi":"https://doi.org/10.1109/igarss.2011.6049886","title":"Root zone soil moisture estimation by Terra/MODIS imagery over the tropical catchment in northern Thailand","display_name":"Root zone soil moisture estimation by Terra/MODIS imagery over the tropical catchment in northern Thailand","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2132869515","doi":"https://doi.org/10.1109/igarss.2011.6049886","mag":"2132869515"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2011.6049886","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049886","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 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/A5112993273","display_name":"Tzu-Yin Chang","orcid":"https://orcid.org/0009-0005-4071-4897"},"institutions":[{"id":"https://openalex.org/I1287642686","display_name":"National Science and Technology Center for Disaster Reduction","ror":"https://ror.org/01stnk488","country_code":"TW","type":"government","lineage":["https://openalex.org/I1287642686","https://openalex.org/I4210128167"]},{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG","TW"],"is_corresponding":false,"raw_author_name":"Tzu-Yin Chang","raw_affiliation_strings":["Department of Geography, National University of Singapore, Singapore","National Science and Technology Center for Disaster Reduction, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geography, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"National Science and Technology Center for Disaster Reduction, Taiwan","institution_ids":["https://openalex.org/I1287642686"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052192623","display_name":"Yuei\u2010An Liou","orcid":"https://orcid.org/0000-0002-8100-5529"},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yuei-An Liou","raw_affiliation_strings":["Center for Space and Remote Sensing Research, National Central University, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Space and Remote Sensing Research, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037305607","display_name":"Yi\u2010Chen Wang","orcid":"https://orcid.org/0000-0002-3034-7377"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yi-Chen Wang","raw_affiliation_strings":["Department of Geography, National University of Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geography, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018754758","display_name":"Alan D. Ziegler","orcid":"https://orcid.org/0000-0001-5305-2136"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Alan D. Ziegler","raw_affiliation_strings":["Department of Geography, National University of Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geography, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.15206691,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3148","last_page":"3151"},"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":0.9965999722480774,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9879000186920166,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/moderate-resolution-imaging-spectroradiometer","display_name":"Moderate-resolution imaging spectroradiometer","score":0.683249831199646},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.5761889219284058},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5714721083641052},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.5389346480369568},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.4977000057697296},{"id":"https://openalex.org/keywords/subtropics","display_name":"Subtropics","score":0.4822043180465698},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.46431657671928406},{"id":"https://openalex.org/keywords/drainage-basin","display_name":"Drainage basin","score":0.4473692774772644},{"id":"https://openalex.org/keywords/tropical-savanna-climate","display_name":"Tropical savanna climate","score":0.43991369009017944},{"id":"https://openalex.org/keywords/correlation-coefficient","display_name":"Correlation coefficient","score":0.4301705062389374},{"id":"https://openalex.org/keywords/hydrology","display_name":"Hydrology (agriculture)","score":0.36514514684677124},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.31448689103126526},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.25943905115127563},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.20725762844085693},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19095787405967712},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1634277105331421},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.12823590636253357},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12097465991973877},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.1158248782157898},{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.10805073380470276},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.09763631224632263}],"concepts":[{"id":"https://openalex.org/C2777007095","wikidata":"https://www.wikidata.org/wiki/Q676840","display_name":"Moderate-resolution imaging spectroradiometer","level":3,"score":0.683249831199646},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.5761889219284058},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5714721083641052},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.5389346480369568},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.4977000057697296},{"id":"https://openalex.org/C14168384","wikidata":"https://www.wikidata.org/wiki/Q16305538","display_name":"Subtropics","level":2,"score":0.4822043180465698},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.46431657671928406},{"id":"https://openalex.org/C126645576","wikidata":"https://www.wikidata.org/wiki/Q166620","display_name":"Drainage basin","level":2,"score":0.4473692774772644},{"id":"https://openalex.org/C146188434","wikidata":"https://www.wikidata.org/wiki/Q113562","display_name":"Tropical savanna climate","level":3,"score":0.43991369009017944},{"id":"https://openalex.org/C2780092901","wikidata":"https://www.wikidata.org/wiki/Q3433612","display_name":"Correlation coefficient","level":2,"score":0.4301705062389374},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.36514514684677124},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.31448689103126526},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.25943905115127563},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.20725762844085693},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19095787405967712},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1634277105331421},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.12823590636253357},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12097465991973877},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.1158248782157898},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.10805073380470276},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.09763631224632263},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"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/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace 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/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss.2011.6049886","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049886","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/49799","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/49799","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.49000000953674316,"display_name":"Zero hunger"},{"id":"https://metadata.un.org/sdg/6","score":0.47999998927116394,"display_name":"Clean water and sanitation"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320320698","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W590650589","https://openalex.org/W1978245269","https://openalex.org/W1979137246","https://openalex.org/W2061227954","https://openalex.org/W2109285681","https://openalex.org/W2786914749"],"related_works":["https://openalex.org/W4295532600","https://openalex.org/W2063823869","https://openalex.org/W2047973478","https://openalex.org/W2590418898","https://openalex.org/W2067569035","https://openalex.org/W2090985514","https://openalex.org/W4211144375","https://openalex.org/W2266831056","https://openalex.org/W2075949028","https://openalex.org/W2076313282"],"abstract_inverted_index":{"Tropical":[0],"countries":[1],"are":[2],"facing":[3],"a":[4],"rapid":[5],"change":[6],"in":[7,28,47,70,75,154],"land":[8,10,99],"use/":[9],"cover":[11,100],"with":[12,49],"increasing":[13],"water":[14,145],"demand":[15],"for":[16],"agriculture":[17],"and":[18,25,55,86,93,105,120],"industry.":[19],"Hydrological":[20],"issues":[21],"thus":[22],"become":[23],"more":[24,26],"important":[27],"these":[29],"regions":[30],"than":[31],"ever":[32],"before.":[33],"The":[34,78,107,132],"root":[35,134],"zone":[36,135],"soil":[37],"moisture":[38],"content":[39],"(SMC)":[40],"derived":[41],"from":[42,62],"our":[43],"proposed":[44],"retrieval":[45],"algorithm":[46],"conjunction":[48],"the":[50,67,82,148,155],"apparent":[51],"thermal":[52],"inertia":[53],"approach":[54],"Moderate":[56],"Resolution":[57],"Imaging":[58],"Spectroradiometer":[59],"(MODIS)":[60],"imagery":[61],"2004":[63],"to":[64,111,144],"2008":[65],"over":[66],"tropical":[68,149],"catchment":[69],"northern":[71],"Thailand":[72],"was":[73],"presented":[74],"this":[76],"study.":[77],"results":[79],"showed":[80],"that":[81],"Pearson":[83],"correlation":[84],"coefficient":[85,89],"Nash-Sutcliffe":[87],"efficiency":[88],"between":[90,118],"ground":[91],"truth":[92],"retrieved":[94,108],"SMC":[95,136],"under":[96],"all":[97],"different":[98],"sites":[101],"varied":[102,117],"respective":[103],"0.81-0.88":[104],"0.44-0.67.":[106],"precision":[109],"referred":[110],"Root":[112],"Mean":[113],"Square":[114],"Error":[115],"value":[116],"0.012":[119],"0.058":[121],"(m":[122],"<sup":[123,128],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[124,129],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">3</sup>":[125],"\u00b7":[126],"m":[127],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">-3</sup>":[130],").":[131],"successful":[133],"estimation":[137],"by":[138],"using":[139],"MODIS":[140],"data":[141],"will":[142],"contribute":[143],"management":[146],"of":[147],"or":[150],"subtropical":[151],"hydrological":[152],"studies":[153],"future.":[156]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
