{"id":"https://openalex.org/W2595402131","doi":"https://doi.org/10.1109/jstars.2017.2673409","title":"Dry and Wet Snow Cover Mapping in Mountain Areas Using SAR and Optical Remote Sensing Data","display_name":"Dry and Wet Snow Cover Mapping in Mountain Areas Using SAR and Optical Remote Sensing Data","publication_year":2017,"publication_date":"2017-03-16","ids":{"openalex":"https://openalex.org/W2595402131","doi":"https://doi.org/10.1109/jstars.2017.2673409","mag":"2595402131"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2017.2673409","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2017.2673409","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/A5022902828","display_name":"Guangjun He","orcid":"https://orcid.org/0000-0002-2614-8850"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Guangjun He","raw_affiliation_strings":["State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101671169","display_name":"Xuezhi Feng","orcid":"https://orcid.org/0009-0003-8981-7956"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuezhi Feng","raw_affiliation_strings":["Department of Geographical Information Sciences, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Department of Geographical Information Sciences, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024291763","display_name":"Pengfeng Xiao","orcid":"https://orcid.org/0000-0003-2739-3302"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengfeng Xiao","raw_affiliation_strings":["Department of Geographical Information Sciences, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Department of Geographical Information Sciences, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082718736","display_name":"Zhenghuan Xia","orcid":"https://orcid.org/0000-0002-3152-1568"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhenghuan Xia","raw_affiliation_strings":["State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108905680","display_name":"Zuo Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4472751","display_name":"Anhui Normal University","ror":"https://ror.org/05fsfvw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I4472751"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zuo Wang","raw_affiliation_strings":["College of Territorial Resources and Tourism, Anhui Normal University, Wuhu, China"],"affiliations":[{"raw_affiliation_string":"College of Territorial Resources and Tourism, Anhui Normal University, Wuhu, China","institution_ids":["https://openalex.org/I4472751"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100353521","display_name":"Hao Chen","orcid":"https://orcid.org/0000-0002-1639-7845"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hao Chen","raw_affiliation_strings":["State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100423820","display_name":"Hui Li","orcid":"https://orcid.org/0000-0001-7137-266X"},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Li","raw_affiliation_strings":["Department of Spatial Information Science and Engineering, Xiamen University of Technology, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"Department of Spatial Information Science and Engineering, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100992777","display_name":"Jinjin Guo","orcid":null},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinjin Guo","raw_affiliation_strings":["Department of Geographical Information Sciences, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Department of Geographical Information Sciences, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5022902828"],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":2.1827,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.85914165,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"10","issue":"6","first_page":"2575","last_page":"2588"},"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/T11333","display_name":"Climate change and permafrost","score":0.9984999895095825,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9968000054359436,"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/snow","display_name":"Snow","score":0.8213438987731934},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7891660928726196},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.628440797328949},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5982358455657959},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.559505820274353},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.547066867351532},{"id":"https://openalex.org/keywords/snow-cover","display_name":"Snow cover","score":0.50911945104599},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.4557908773422241},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4292803108692169},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.38981667160987854},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.25437021255493164},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.20750170946121216},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.14988484978675842},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09720531105995178}],"concepts":[{"id":"https://openalex.org/C197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","level":2,"score":0.8213438987731934},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7891660928726196},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.628440797328949},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5982358455657959},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.559505820274353},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.547066867351532},{"id":"https://openalex.org/C2983043445","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow cover","level":3,"score":0.50911945104599},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.4557908773422241},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4292803108692169},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.38981667160987854},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.25437021255493164},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.20750170946121216},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.14988484978675842},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09720531105995178},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"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/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2017.2673409","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2017.2673409","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":[],"awards":[{"id":"https://openalex.org/G2326933315","display_name":null,"funder_award_id":"41671344","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4922580212","display_name":null,"funder_award_id":"41501379","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6448371049","display_name":null,"funder_award_id":"41401377","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation 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/F4320321435","display_name":"Anhui University","ror":"https://ror.org/05th6yx34"},{"id":"https://openalex.org/F4320324852","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760"},{"id":"https://openalex.org/F4320328006","display_name":"Anhui Normal University","ror":"https://ror.org/05fsfvw79"},{"id":"https://openalex.org/F4320332183","display_name":"U.S. Geological Survey","ror":"https://ror.org/035a68863"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W187501538","https://openalex.org/W1421632428","https://openalex.org/W1484155048","https://openalex.org/W1597222998","https://openalex.org/W1963774929","https://openalex.org/W1981244903","https://openalex.org/W1983095182","https://openalex.org/W1987882549","https://openalex.org/W1990136845","https://openalex.org/W2009565519","https://openalex.org/W2010421754","https://openalex.org/W2012917111","https://openalex.org/W2013077072","https://openalex.org/W2017843508","https://openalex.org/W2018369970","https://openalex.org/W2042255844","https://openalex.org/W2051986600","https://openalex.org/W2078985447","https://openalex.org/W2085320844","https://openalex.org/W2097272115","https://openalex.org/W2099532128","https://openalex.org/W2101677516","https://openalex.org/W2103497845","https://openalex.org/W2104269704","https://openalex.org/W2129038850","https://openalex.org/W2136309020","https://openalex.org/W2141414687","https://openalex.org/W2142434586","https://openalex.org/W2153534417","https://openalex.org/W2154830216","https://openalex.org/W2156759776","https://openalex.org/W2165019472","https://openalex.org/W2509336922","https://openalex.org/W6674768028","https://openalex.org/W6680394642"],"related_works":["https://openalex.org/W2790032735","https://openalex.org/W2373310320","https://openalex.org/W2781934594","https://openalex.org/W4384163768","https://openalex.org/W4385499758","https://openalex.org/W4400088992","https://openalex.org/W2387499565","https://openalex.org/W4382365962","https://openalex.org/W3206958763","https://openalex.org/W2159160885"],"abstract_inverted_index":{"Snow":[0],"cover":[1,82,141,222,238],"in":[2,52,65,84,206,248],"mountain":[3,85],"areas":[4,122],"is":[5,33],"a":[6,58,213],"key":[7],"factor":[8],"controlling":[9],"regional":[10],"energy":[11],"balances,":[12],"hydrological":[13],"cycle,":[14],"and":[15,71,79,98,107,120,150,165,181,192,205,225,235],"water":[16],"utilization.":[17],"Optical":[18],"remote":[19],"sensing":[20],"data":[21],"offer":[22],"an":[23,242],"effective":[24],"means":[25],"of":[26,112,244],"mapping":[27],"snow":[28,49,81,140,221,237],"cover,":[29],"although":[30],"their":[31],"application":[32],"limited":[34],"by":[35,68,142],"solar":[36],"illumination":[37],"conditions,":[38],"conversely,":[39],"synthetic":[40],"aperture":[41],"radar":[42],"(SAR)":[43],"offers":[44],"the":[45,102,108,113,129,144,170,219,233],"ability":[46],"to":[47,138,189,211,217,223],"measure":[48],"wetness":[50],"changes":[51],"all":[53],"weather.":[54],"In":[55],"this":[56],"study,":[57],"novel":[59],"method,":[60],"which":[61],"can":[62,240],"be":[63],"approached":[64],"two":[66,88,114],"steps":[67],"using":[69],"SAR":[70],"optical":[72],"data,":[73,208],"has":[74],"been":[75],"developed":[76],"for":[77,95],"dry":[78,191,224,234],"wet":[80,193,226,236],"recognition":[83],"areas.":[86],"First,":[87],"ground-based":[89],"synchronous":[90],"observations":[91,127],"were":[92,168,209],"implemented,":[93],"respectively,":[94],"snow-accumulation":[96],"period":[97],"snow-melt":[99],"period.":[100],"Then,":[101],"RADARSAT-2":[103],"interferometric":[104],"coherence":[105],"images":[106,111],"backscattering":[109],"coefficient":[110],"periods":[115],"are":[116,186],"analyzed,":[117],"adopting":[118],"snow-covered":[119],"snow-free":[121],"obtained":[123,160],"from":[124,161,176,179,184,202],"GF-1":[125],"satellite":[126],"as":[128],"\u201cground":[130],"truth.\u201d":[131],"A":[132],"dynamic":[133],"thresholding":[134],"algorithm":[135,204],"was":[136],"proposed":[137],"identify":[139],"taking":[143],"polarization":[145],"mode,":[146],"local":[147],"incidence":[148],"angle,":[149],"underlying":[151],"surface":[152],"type":[153],"into":[154],"consideration.":[155],"Finally,":[156],"36":[157],"polarimetric":[158],"parameters":[159],"Pauli,":[162,177],"H/A/\u03b1,":[163,180],"Freeman,":[164],"Yamaguchi":[166,185],"decomposition":[167],"analyzed;":[169],"results":[171,230],"indicate":[172],"that":[173,232],"P":[174],"vol":[175,183],"\u03bb3":[178],"Y":[182],"more":[187],"applicable":[188],"discriminate":[190],"snow.":[194,227],"These":[195],"three":[196],"factors,":[197],"combined":[198],"with":[199,247],"training":[200],"samples":[201],"Nagler":[203],"situ":[207,249],"used":[210],"build":[212],"support":[214],"vector":[215],"machine":[216],"classify":[218],"extracted":[220],"The":[228],"classification":[229],"demonstrate":[231],"extraction":[239],"achieve":[241],"accuracy":[243],"90.3%":[245],"compared":[246],"measurements.":[250]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
