{"id":"https://openalex.org/W4381594965","doi":"https://doi.org/10.3390/rs15092399","title":"Fine Resolution Classification of New Ice, Young Ice, and First-Year Ice Based on Feature Selection from Gaofen-3 Quad-Polarization SAR","display_name":"Fine Resolution Classification of New Ice, Young Ice, and First-Year Ice Based on Feature Selection from Gaofen-3 Quad-Polarization SAR","publication_year":2023,"publication_date":"2023-05-04","ids":{"openalex":"https://openalex.org/W4381594965","doi":"https://doi.org/10.3390/rs15092399"},"language":"en","primary_location":{"id":"doi:10.3390/rs15092399","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15092399","pdf_url":"https://www.mdpi.com/2072-4292/15/9/2399/pdf?version=1683519783","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/15/9/2399/pdf?version=1683519783","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058780924","display_name":"Kun Yang","orcid":"https://orcid.org/0000-0002-0809-2371"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Yang","raw_affiliation_strings":["College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100360520","display_name":"Haiyan Li","orcid":"https://orcid.org/0000-0002-6202-1574"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210101167","display_name":"Institute of Oceanology","ror":"https://ror.org/018yw5541","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101167"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Haiyan Li","raw_affiliation_strings":["College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China"],"raw_orcid":"https://orcid.org/0000-0002-6202-1574","affiliations":[{"raw_affiliation_string":"College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210101167"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003569115","display_name":"William Perrie","orcid":"https://orcid.org/0000-0002-3598-2791"},"institutions":[{"id":"https://openalex.org/I1319689352","display_name":"Fisheries and Oceans Canada","ror":"https://ror.org/02qa1x782","country_code":"CA","type":"government","lineage":["https://openalex.org/I1319689352","https://openalex.org/I2802286613"]},{"id":"https://openalex.org/I2800026062","display_name":"Bedford Institute of Oceanography","ror":"https://ror.org/03bz9t645","country_code":"CA","type":"facility","lineage":["https://openalex.org/I2800026062"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"William Perrie","raw_affiliation_strings":["Fisheries & Oceans Canada, Bedford Institute of Oceanography, Dartmouth, NS B2Y 4A2, Canada"],"raw_orcid":"https://orcid.org/0000-0002-3598-2791","affiliations":[{"raw_affiliation_string":"Fisheries & Oceans Canada, Bedford Institute of Oceanography, Dartmouth, NS B2Y 4A2, Canada","institution_ids":["https://openalex.org/I1319689352","https://openalex.org/I2800026062"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040672915","display_name":"Randall K. Scharien","orcid":"https://orcid.org/0000-0002-2761-4809"},"institutions":[{"id":"https://openalex.org/I212119943","display_name":"University of Victoria","ror":"https://ror.org/04s5mat29","country_code":"CA","type":"education","lineage":["https://openalex.org/I212119943"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Randall Kenneth Scharien","raw_affiliation_strings":["Department of Geography, University of Victoria, Victoria, BC V8P 5C2, Canada"],"raw_orcid":"https://orcid.org/0000-0002-2761-4809","affiliations":[{"raw_affiliation_string":"Department of Geography, University of Victoria, Victoria, BC V8P 5C2, Canada","institution_ids":["https://openalex.org/I212119943"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033360196","display_name":"Jin Wu","orcid":"https://orcid.org/0000-0002-1025-0033"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jin Wu","raw_affiliation_strings":["College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031176052","display_name":"Menghao Zhang","orcid":"https://orcid.org/0000-0001-5274-5512"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Menghao Zhang","raw_affiliation_strings":["College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055146090","display_name":"Fan Xu","orcid":"https://orcid.org/0000-0001-6298-5587"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Xu","raw_affiliation_strings":["College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100360520"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210101167","https://openalex.org/I4210165038"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2784},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2784},"fwci":0.9426,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.68424928,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"15","issue":"9","first_page":"2399","last_page":"2399"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9998999834060669,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9998999834060669,"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":0.9966999888420105,"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/T10644","display_name":"Cryospheric studies and observations","score":0.9958000183105469,"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/sea-ice","display_name":"Sea ice","score":0.7833361029624939},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6927708983421326},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.6494670510292053},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.5705089569091797},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5116927623748779},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.44477954506874084},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.43954646587371826},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.3276834487915039},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.2490641176700592},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1526578664779663},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.12714436650276184},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10638141632080078}],"concepts":[{"id":"https://openalex.org/C136894858","wikidata":"https://www.wikidata.org/wiki/Q213926","display_name":"Sea ice","level":2,"score":0.7833361029624939},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6927708983421326},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6494670510292053},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.5705089569091797},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5116927623748779},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.44477954506874084},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.43954646587371826},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.3276834487915039},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.2490641176700592},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1526578664779663},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12714436650276184},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10638141632080078},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs15092399","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15092399","pdf_url":"https://www.mdpi.com/2072-4292/15/9/2399/pdf?version=1683519783","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:6b7965d1ecb24564b980f4d2d59d3312","is_oa":true,"landing_page_url":"https://doaj.org/article/6b7965d1ecb24564b980f4d2d59d3312","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 15, Iss 9, p 2399 (2023)","raw_type":"article"},{"id":"pmh:oai:dspace.library.uvic.ca:1828/16000","is_oa":false,"landing_page_url":"http://hdl.handle.net/1828/16000","pdf_url":null,"source":{"id":"https://openalex.org/S4306401509","display_name":"UVic\u2019s Research and Learning Repository (University of Victoria)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I212119943","host_organization_name":"University of Victoria","host_organization_lineage":["https://openalex.org/I212119943"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"pmh:oai:mdpi.com:/2072-4292/15/9/2399/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs15092399","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 15; Issue 9; Pages: 2399","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs15092399","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15092399","pdf_url":"https://www.mdpi.com/2072-4292/15/9/2399/pdf?version=1683519783","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.8899999856948853,"display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G1429699801","display_name":null,"funder_award_id":"2022YFC3104900","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G4654967159","display_name":null,"funder_award_id":"RGPIN-2022-05217","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G6184622749","display_name":null,"funder_award_id":"2022YFC3104904","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320319880","display_name":"Government of Canada","ror":"https://ror.org/010q4q527"},{"id":"https://openalex.org/F4320324729","display_name":"Universit\u00e4t Bremen","ror":"https://ror.org/04ers2y35"},{"id":"https://openalex.org/F4320326643","display_name":"Ocean Frontier Institute","ror":null},{"id":"https://openalex.org/F4320332183","display_name":"U.S. Geological Survey","ror":"https://ror.org/035a68863"},{"id":"https://openalex.org/F4320332377","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52"},{"id":"https://openalex.org/F4320334436","display_name":"Canadian Space Agency","ror":"https://ror.org/03a1gte98"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4381594965.pdf","grobid_xml":"https://content.openalex.org/works/W4381594965.grobid-xml"},"referenced_works_count":82,"referenced_works":["https://openalex.org/W569852707","https://openalex.org/W1500491746","https://openalex.org/W1517964698","https://openalex.org/W1579744964","https://openalex.org/W1843853251","https://openalex.org/W1875592267","https://openalex.org/W1917898038","https://openalex.org/W1967791380","https://openalex.org/W1969674753","https://openalex.org/W1983162476","https://openalex.org/W1996307853","https://openalex.org/W1999695055","https://openalex.org/W2021071797","https://openalex.org/W2022137318","https://openalex.org/W2025905682","https://openalex.org/W2038222372","https://openalex.org/W2061021438","https://openalex.org/W2064995156","https://openalex.org/W2067612937","https://openalex.org/W2078985447","https://openalex.org/W2084083071","https://openalex.org/W2087337155","https://openalex.org/W2097272115","https://openalex.org/W2098454176","https://openalex.org/W2102232659","https://openalex.org/W2103164730","https://openalex.org/W2106027797","https://openalex.org/W2115226769","https://openalex.org/W2116319373","https://openalex.org/W2124544126","https://openalex.org/W2128641461","https://openalex.org/W2133114631","https://openalex.org/W2133989913","https://openalex.org/W2135810203","https://openalex.org/W2138002925","https://openalex.org/W2141424348","https://openalex.org/W2152912520","https://openalex.org/W2153124553","https://openalex.org/W2156581153","https://openalex.org/W2162367520","https://openalex.org/W2164989713","https://openalex.org/W2187127046","https://openalex.org/W2200827065","https://openalex.org/W2269563549","https://openalex.org/W2289708444","https://openalex.org/W2313602352","https://openalex.org/W2319040573","https://openalex.org/W2325700364","https://openalex.org/W2401555582","https://openalex.org/W2483236932","https://openalex.org/W2504349807","https://openalex.org/W2506606919","https://openalex.org/W2617853779","https://openalex.org/W2619166368","https://openalex.org/W2751462701","https://openalex.org/W2766892813","https://openalex.org/W2902998575","https://openalex.org/W2909983709","https://openalex.org/W2911964244","https://openalex.org/W2929069017","https://openalex.org/W2969303473","https://openalex.org/W3037800132","https://openalex.org/W3037914990","https://openalex.org/W3044440238","https://openalex.org/W3044935797","https://openalex.org/W3093091979","https://openalex.org/W3128844018","https://openalex.org/W3150995446","https://openalex.org/W3172901241","https://openalex.org/W3206650827","https://openalex.org/W3215230654","https://openalex.org/W4213351687","https://openalex.org/W4224238705","https://openalex.org/W4224265835","https://openalex.org/W4285808964","https://openalex.org/W4304127954","https://openalex.org/W4306966814","https://openalex.org/W4322503502","https://openalex.org/W6628852233","https://openalex.org/W6655962877","https://openalex.org/W6712511436","https://openalex.org/W6839642708"],"related_works":["https://openalex.org/W2035593284","https://openalex.org/W2026860918","https://openalex.org/W2612145225","https://openalex.org/W2225281849","https://openalex.org/W2161058488","https://openalex.org/W2324949438","https://openalex.org/W173514170","https://openalex.org/W2389173272","https://openalex.org/W2939295242","https://openalex.org/W2032438448"],"abstract_inverted_index":{"A":[0],"new":[1,22,33],"method":[2],"of":[3,81,107,136,153,187],"sea":[4,25,51,57,85,162],"ice":[5,26,34,37,41,52,58,86,163,178],"classification":[6,59,171,185],"based":[7],"on":[8,68],"feature":[9],"selection":[10,80],"from":[11,181],"Gaofen-3":[12],"polarimetric":[13],"Synthetic":[14],"Aperture":[15],"Radar":[16],"(SAR)":[17],"observations":[18],"was":[19,76],"proposed.":[20],"The":[21,72,155,184],"approach":[23],"classifies":[24],"into":[27],"four":[28],"categories:":[29],"open":[30],"water":[31],"(OW),":[32],"(NI),":[35],"young":[36],"(YI),":[38],"and":[39,111,129,131,170,191,197],"first-year":[40],"(FYI).":[42],"Seventy":[43],"parameters":[44,90,114,147,157],"that":[45],"have":[46],"previously":[47],"been":[48],"applied":[49],"to":[50,160],"studies":[53],"were":[54,142,158,173],"re-examined":[55],"for":[56,78,84,148],"in":[60],"the":[61,65,79,95,103,122,127,132,145,149,165],"Okhotsk":[62],"Sea":[63],"near":[64],"melting":[66],"point":[67],"28":[69],"February":[70],"2020.":[71],"\u2018separability":[73],"index":[74],"(SI)\u2019":[75],"used":[77,159],"optimal":[82,146],"features":[83],"classification.":[87],"Full":[88],"polarization":[89,113],"(the":[91],"backscatter":[92],"intensity":[93,98],"contains":[94],"horizontal":[96],"transmit-receive":[97],"(\u03c3hh0),":[99],"Shannon":[100,119],"entropy":[101,120],"(SEi),":[102],"spherical":[104],"scattering":[105,134],"component":[106,135],"Krogager":[108],"decomposition":[109,140],"(Ks)),":[110],"hybrid":[112],"(horizontal":[115],"receive":[116],"intensity(\u03c3rh0),":[117],"hybrid-pol":[118],"(CPSEi),":[121],"correlation":[123],"coefficient":[124],"(\u03c1rh\u2212rv)":[125],"between":[126],"\u03c3rh0":[128],"\u03c3rv0,":[130],"surface":[133],"m":[137],"\u2212":[138],"\u03b1":[139],"\u03b1s)":[141],"determined":[143],"as":[144],"different":[150],"work":[151],"modes":[152],"SAR.":[154],"selected":[156],"classify":[161],"by":[164,175],"random":[166],"forest":[167],"classifier":[168],"(RFC),":[169],"results":[172],"validated":[174],"manually":[176],"interpreted":[177],"maps":[179],"derived":[180],"Landsat-8":[182],"data.":[183],"accuracy":[186],"OW,":[188],"NI,":[189],"YI":[190],"FYI":[192],"reached":[193],"95%,":[194],"96%,":[195],"98%":[196],"85%,":[198],"respectively.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2023,"cited_by_count":1}],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2023-06-23T00:00:00"}