{"id":"https://openalex.org/W2987041734","doi":"https://doi.org/10.1109/igarss.2019.8898412","title":"Estimation of Fractional Snow Cover From Fy-4a/Agri","display_name":"Estimation of Fractional Snow Cover From Fy-4a/Agri","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2987041734","doi":"https://doi.org/10.1109/igarss.2019.8898412","mag":"2987041734"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2019.8898412","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8898412","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/A5022712425","display_name":"Gongxue Wang","orcid":"https://orcid.org/0000-0002-1563-1388"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gongxue Wang","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056336938","display_name":"Lingmei Jiang","orcid":"https://orcid.org/0000-0002-9847-9034"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingmei Jiang","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100358213","display_name":"Xiaojing Liu","orcid":"https://orcid.org/0000-0001-7600-9456"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojing Liu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060070161","display_name":"Huizhen Cui","orcid":"https://orcid.org/0000-0002-1165-1998"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huizhen Cui","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021385919","display_name":"Jianwei Yang","orcid":"https://orcid.org/0000-0003-2362-1865"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianwei Yang","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100703742","display_name":"Jian Wang","orcid":"https://orcid.org/0009-0002-1251-6349"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Wang","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1248,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.53507886,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"9","issue":null,"first_page":"4064","last_page":"4067"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":1.0,"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/T10766","display_name":"Urban Heat Island Mitigation","score":0.9879999756813049,"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":0.9861999750137329,"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/cover","display_name":"Cover (algebra)","score":0.69370436668396},{"id":"https://openalex.org/keywords/snow","display_name":"Snow","score":0.6820498704910278},{"id":"https://openalex.org/keywords/snow-cover","display_name":"Snow cover","score":0.6521840691566467},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.44817131757736206},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4325101971626282},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4046248495578766},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.37872880697250366},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.34531694650650024},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.26558220386505127},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.15255576372146606},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11936038732528687}],"concepts":[{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.69370436668396},{"id":"https://openalex.org/C197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","level":2,"score":0.6820498704910278},{"id":"https://openalex.org/C2983043445","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow cover","level":3,"score":0.6521840691566467},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.44817131757736206},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4325101971626282},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4046248495578766},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.37872880697250366},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.34531694650650024},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.26558220386505127},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.15255576372146606},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11936038732528687},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2019.8898412","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8898412","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1484885900","https://openalex.org/W1997298583","https://openalex.org/W2025465885","https://openalex.org/W2025745000","https://openalex.org/W2033157729","https://openalex.org/W2042297529","https://openalex.org/W2042950540","https://openalex.org/W2087866348","https://openalex.org/W2122965290","https://openalex.org/W2124410149","https://openalex.org/W2142800341","https://openalex.org/W2759381486"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2910852340","https://openalex.org/W2913143114","https://openalex.org/W1975930865","https://openalex.org/W4393423908","https://openalex.org/W169748493","https://openalex.org/W2355295607","https://openalex.org/W2558750709","https://openalex.org/W2794501863","https://openalex.org/W3137012456"],"abstract_inverted_index":{"China\u2019s":[0],"new":[1],"generation":[2],"of":[3,34,62,179],"geostationary":[4],"weather":[5],"satellite,":[6],"FengYun-4A":[7],"(FY-4A)":[8],"carrying":[9],"the":[10,60,76,106,112,119,130],"Advanced":[11],"Geosynchronous":[12],"Radiation":[13],"Imager":[14,150],"(AGRI)":[15],"was":[16],"launched":[17],"on":[18,28,82],"December":[19],"1":[20],"2016":[21],"and":[22,44,100,122,124],"its":[23],"data":[24,144],"became":[25],"publicly":[26],"available":[27],"March":[29],"12":[30],"2018.":[31],"The":[32,92,134,155],"availability":[33],"high":[35],"temporal":[36],"observation":[37],"at":[38],"visible,":[39],"near":[40],"infrared,":[41],"short-wave":[42],"infrared":[43,46],"long-wave":[45],"bands":[47],"over":[48],"stable":[49],"snow":[50,68,88,136,162,183],"covered":[51,89],"areas":[52],"in":[53],"China":[54],"inspired":[55],"this":[56,71],"study":[57],"to":[58,65,116,188],"investigate":[59],"feasibility":[61],"FY-4A":[63,83,159,180],"AGRI":[64,181],"estimate":[66],"fractional":[67,135,161,182],"cover.":[69],"In":[70],"preliminary":[72],"study,":[73],"we":[74],"present":[75],"multiple":[77],"end-member":[78,120],"spectral":[79],"mixture":[80],"analysis":[81],"AGRI\u2019s":[84,160],"5-band":[85],"reflectances":[86],"for":[87,111],"area":[90],"estimation.":[91],"end-members":[93,102],"were":[94,103,127,139],"extracted":[95],"automatically":[96],"from":[97,145,186],"multispectral":[98],"images":[99],"typical":[101],"selected":[104],"using":[105,142],"vector":[107],"length.":[108],"To":[109],"account":[110],"reflectance":[113],"variation":[114],"due":[115],"sun-target-sensor":[117],"geometry,":[118],"extraction":[121],"selection":[123],"subsequent":[125],"estimation":[126],"implemented":[128],"by":[129,141],"5\u00b0\u00d75\u00b0":[131],"spatial":[132],"window.":[133],"cover":[137,163,184],"estimates":[138],"evaluated":[140],"reference":[143],"corresponding":[146],"Landsat-8":[147,167],"Operational":[148],"Land":[149],"(OLI)\u2019s":[151],"30-m":[152],"resolution":[153],"observations.":[154],"outcome":[156],"indicated":[157],"that":[158,174],"agrees":[164],"well":[165],"with":[166,190],"OLI\u2019s":[168],"30":[169],"m":[170],"estimates.":[171],"Comparisons":[172],"showed":[173],"root":[175],"mean":[176],"squared":[177],"error":[178],"ranges":[185],"0.10":[187],"0.16":[189],"R":[191],"<sup":[192],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[193],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[194],"exceeding":[195],"0.7.":[196]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}