{"id":"https://openalex.org/W3130753889","doi":"https://doi.org/10.1109/igarss39084.2020.9324041","title":"A Method to Identify High-Quality Pure Snow Data in Polder Database","display_name":"A Method to Identify High-Quality Pure Snow Data in Polder Database","publication_year":2020,"publication_date":"2020-09-26","ids":{"openalex":"https://openalex.org/W3130753889","doi":"https://doi.org/10.1109/igarss39084.2020.9324041","mag":"3130753889"},"language":"en","primary_location":{"id":"doi:10.1109/igarss39084.2020.9324041","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9324041","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100765886","display_name":"Jing Guo","orcid":"https://orcid.org/0000-0003-1962-6559"},"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":"Jing Guo","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004770935","display_name":"Ziti Jiao","orcid":"https://orcid.org/0000-0002-3701-0830"},"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":"Ziti Jiao","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053836097","display_name":"Lei Cui","orcid":"https://orcid.org/0000-0001-9477-9155"},"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":"Lei Cui","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112884934","display_name":"Siyang Yin","orcid":null},"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":"Siyang Yin","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101560657","display_name":"Yaxuan Chang","orcid":"https://orcid.org/0000-0002-4683-847X"},"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":"Yaxuan Chang","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101796553","display_name":"Rui Xie","orcid":"https://orcid.org/0000-0002-8033-9789"},"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":"Rui Xie","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028789471","display_name":"Sijie Li","orcid":"https://orcid.org/0000-0002-8329-1186"},"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":"Sijie Li","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5104006370","display_name":"Zidong Zhu","orcid":null},"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":"Zidong Zhu","raw_affiliation_strings":["Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geographical Science, State Key Laboratory of Remote Sensing Science, College of Remote Sensing and Engineering, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"3235","last_page":"3238"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":0.9994999766349792,"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":0.9994999766349792,"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":0.9905999898910522,"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/T13203","display_name":"Environmental Changes in China","score":0.9587000012397766,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/snow","display_name":"Snow","score":0.9082468748092651},{"id":"https://openalex.org/keywords/bidirectional-reflectance-distribution-function","display_name":"Bidirectional reflectance distribution function","score":0.7197898626327515},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.646115779876709},{"id":"https://openalex.org/keywords/reflectivity","display_name":"Reflectivity","score":0.5453646779060364},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5146737694740295},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49367842078208923},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.49193617701530457},{"id":"https://openalex.org/keywords/data-quality","display_name":"Data quality","score":0.4543648362159729},{"id":"https://openalex.org/keywords/snow-cover","display_name":"Snow cover","score":0.4275566041469574},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.4241235852241516},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3595055639743805},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.22346043586730957},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.18985942006111145},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.07223284244537354}],"concepts":[{"id":"https://openalex.org/C197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","level":2,"score":0.9082468748092651},{"id":"https://openalex.org/C151596937","wikidata":"https://www.wikidata.org/wiki/Q856980","display_name":"Bidirectional reflectance distribution function","level":3,"score":0.7197898626327515},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.646115779876709},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.5453646779060364},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5146737694740295},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49367842078208923},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.49193617701530457},{"id":"https://openalex.org/C24756922","wikidata":"https://www.wikidata.org/wiki/Q1757694","display_name":"Data quality","level":3,"score":0.4543648362159729},{"id":"https://openalex.org/C2983043445","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow cover","level":3,"score":0.4275566041469574},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.4241235852241516},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3595055639743805},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.22346043586730957},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.18985942006111145},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.07223284244537354},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss39084.2020.9324041","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9324041","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1434286906","display_name":null,"funder_award_id":"41971288,41571326","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2652800691","display_name":null,"funder_award_id":"2018YFA0605503","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2011746637","https://openalex.org/W2019248281","https://openalex.org/W2060196914","https://openalex.org/W2060827275","https://openalex.org/W2173562516","https://openalex.org/W2526763154","https://openalex.org/W2900576423"],"related_works":["https://openalex.org/W2774256758","https://openalex.org/W2026859948","https://openalex.org/W2000112597","https://openalex.org/W2765253738","https://openalex.org/W2053540137","https://openalex.org/W3081133439","https://openalex.org/W4386246791","https://openalex.org/W3211701140","https://openalex.org/W2952280724","https://openalex.org/W2133103607"],"abstract_inverted_index":{"A":[0],"series":[1],"reflectance":[2],"models":[3,23],"for":[4,109],"snow":[5,18,58,68,77,91,100],"have":[6,35],"been":[7,36],"developed":[8],"in":[9,39,57,93,112],"recent":[10,46],"years,":[11],"but":[12,44],"there":[13],"is":[14],"no":[15],"trusted":[16],"pure":[17,90],"database":[19,101],"to":[20,71,87],"test":[21],"the":[22,45,73,89,113],"yet.":[24],"The":[25],"Polarization":[26],"and":[27,82],"Directionality":[28],"of":[29,76],"Earth":[30],"Reflectances":[31],"(POLDER)":[32],"BRDF":[33,60],"data":[34,92,107],"widely":[37],"used":[38],"quantitative":[40],"remote":[41],"sensing":[42],"community,":[43],"research":[47],"has":[48,55],"revealed":[49],"that":[50],"an":[51,84],"obvious":[52],"wrong":[53],"classification":[54],"occurred":[56],"POLDER":[59,94],"database.":[61,95],"In":[62],"this":[63],"study,":[64],"we":[65,97],"propose":[66],"a":[67,99,106],"index":[69],"(SI)":[70],"characterize":[72],"scattering":[74],"feature":[75],"based":[78],"on":[79],"RTLSRS":[80],"model":[81,110],"develop":[83],"effective":[85],"method":[86],"identify":[88],"Finally,":[96],"build":[98],"with":[102],"higher":[103],"purity,":[104],"providing":[105],"support":[108],"validation":[111],"future.":[114]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
