{"id":"https://openalex.org/W4206137197","doi":"https://doi.org/10.1109/jstars.2021.3137231","title":"Assessment and Validation of Snow Liquid Water Retrievals in the Antarctic Ice Sheet Using Categorical Triple Collocation","display_name":"Assessment and Validation of Snow Liquid Water Retrievals in the Antarctic Ice Sheet Using Categorical Triple Collocation","publication_year":2021,"publication_date":"2021-12-21","ids":{"openalex":"https://openalex.org/W4206137197","doi":"https://doi.org/10.1109/jstars.2021.3137231"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2021.3137231","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3137231","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09658143.pdf","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":true,"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":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09658143.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100371116","display_name":"Yong Liu","orcid":"https://orcid.org/0000-0002-3525-9763"},"institutions":[{"id":"https://openalex.org/I4391012567","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)","ror":"https://ror.org/03swgqh13","country_code":null,"type":"facility","lineage":["https://openalex.org/I4391012567"]},{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I205016115","display_name":"Hubei University of Chinese Medicine","ror":"https://ror.org/02my3bx32","country_code":"CN","type":"education","lineage":["https://openalex.org/I205016115"]},{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Liu","raw_affiliation_strings":["Wuhan University, Chinese Antarctic Center of Surveying and Mapping, Wuhan, HuBei, China, 430079 (e-mail: yonglwhu@whu.edu.cn)","School of Geospatial Engineering and Science, Sun Yat-sen University, Guangzhou 510275, China, also with the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China"],"affiliations":[{"raw_affiliation_string":"Wuhan University, Chinese Antarctic Center of Surveying and Mapping, Wuhan, HuBei, China, 430079 (e-mail: yonglwhu@whu.edu.cn)","institution_ids":["https://openalex.org/I205016115"]},{"raw_affiliation_string":"School of Geospatial Engineering and Science, Sun Yat-sen University, Guangzhou 510275, China, also with the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China","institution_ids":["https://openalex.org/I4210106122","https://openalex.org/I157773358","https://openalex.org/I4391012567"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006258189","display_name":"Chunxia Zhou","orcid":"https://orcid.org/0000-0002-4819-2684"},"institutions":[{"id":"https://openalex.org/I205016115","display_name":"Hubei University of Chinese Medicine","ror":"https://ror.org/02my3bx32","country_code":"CN","type":"education","lineage":["https://openalex.org/I205016115"]},{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]},{"id":"https://openalex.org/I4391012567","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)","ror":"https://ror.org/03swgqh13","country_code":null,"type":"facility","lineage":["https://openalex.org/I4391012567"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunxia Zhou","raw_affiliation_strings":["Wuhan University, Chinese Antarctic Center of Surveying and Mapping, Wuhan, HuBei, China, 430079 (e-mail: zhoucx@whu.edu.cn)","School of Geospatial Engineering and Science, Sun Yat-sen University, Guangzhou 510275, China, also with the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China"],"affiliations":[{"raw_affiliation_string":"Wuhan University, Chinese Antarctic Center of Surveying and Mapping, Wuhan, HuBei, China, 430079 (e-mail: zhoucx@whu.edu.cn)","institution_ids":["https://openalex.org/I205016115"]},{"raw_affiliation_string":"School of Geospatial Engineering and Science, Sun Yat-sen University, Guangzhou 510275, China, also with the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China","institution_ids":["https://openalex.org/I4210106122","https://openalex.org/I157773358","https://openalex.org/I4391012567"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064391245","display_name":"Lei Zheng","orcid":"https://orcid.org/0000-0003-3475-118X"},"institutions":[{"id":"https://openalex.org/I4391012567","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)","ror":"https://ror.org/03swgqh13","country_code":null,"type":"facility","lineage":["https://openalex.org/I4391012567"]},{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lei Zheng","raw_affiliation_strings":["Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Southern Marine Science and Engineering Guangdong Laboratory - Zhuhai, 590852 Zhuhai, Guangdong, China, (e-mail: zhenglei0611@hotmail.com)","School of Geospatial Engineering and Science, Sun Yat-sen University, Guangzhou 510275, China, also with the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China"],"affiliations":[{"raw_affiliation_string":"Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Southern Marine Science and Engineering Guangdong Laboratory - Zhuhai, 590852 Zhuhai, Guangdong, China, (e-mail: zhenglei0611@hotmail.com)","institution_ids":["https://openalex.org/I4210106122"]},{"raw_affiliation_string":"School of Geospatial Engineering and Science, Sun Yat-sen University, Guangzhou 510275, China, also with the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China","institution_ids":["https://openalex.org/I4210106122","https://openalex.org/I157773358","https://openalex.org/I4391012567"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5064391245"],"corresponding_institution_ids":["https://openalex.org/I157773358","https://openalex.org/I4210106122","https://openalex.org/I4391012567"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":{"value":1250,"currency":"USD","value_usd":1250},"fwci":0.119,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.50325711,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"15","issue":null,"first_page":"751","last_page":"763"},"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9973999857902527,"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":0.9965000152587891,"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":0.8123756051063538},{"id":"https://openalex.org/keywords/scatterometer","display_name":"Scatterometer","score":0.6974986791610718},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6721640229225159},{"id":"https://openalex.org/keywords/snowpack","display_name":"Snowpack","score":0.6517274975776672},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.5128112435340881},{"id":"https://openalex.org/keywords/categorical-variable","display_name":"Categorical variable","score":0.48846831917762756},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.45277103781700134},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3978278636932373},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.3396434485912323},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2172301709651947},{"id":"https://openalex.org/keywords/wind-speed","display_name":"Wind speed","score":0.14771908521652222},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.14723554253578186}],"concepts":[{"id":"https://openalex.org/C197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","level":2,"score":0.8123756051063538},{"id":"https://openalex.org/C2776212561","wikidata":"https://www.wikidata.org/wiki/Q905295","display_name":"Scatterometer","level":3,"score":0.6974986791610718},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6721640229225159},{"id":"https://openalex.org/C2778877292","wikidata":"https://www.wikidata.org/wiki/Q18575846","display_name":"Snowpack","level":3,"score":0.6517274975776672},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.5128112435340881},{"id":"https://openalex.org/C5274069","wikidata":"https://www.wikidata.org/wiki/Q2285707","display_name":"Categorical variable","level":2,"score":0.48846831917762756},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.45277103781700134},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3978278636932373},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.3396434485912323},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2172301709651947},{"id":"https://openalex.org/C161067210","wikidata":"https://www.wikidata.org/wiki/Q1464943","display_name":"Wind speed","level":2,"score":0.14771908521652222},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14723554253578186},{"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":2,"locations":[{"id":"doi:10.1109/jstars.2021.3137231","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3137231","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09658143.pdf","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":true,"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"},{"id":"pmh:oai:doaj.org/article:2827c9198ad84291900b75f0064c5dc8","is_oa":true,"landing_page_url":"https://doaj.org/article/2827c9198ad84291900b75f0064c5dc8","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 751-763 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2021.3137231","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2021.3137231","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/09658143.pdf","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":true,"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"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.5400000214576721}],"awards":[{"id":"https://openalex.org/G189993702","display_name":null,"funder_award_id":"42171133","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3775026660","display_name":null,"funder_award_id":"41776200","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4666397352","display_name":null,"funder_award_id":"41941010","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320309309","display_name":"Brigham Young University","ror":"https://ror.org/047rhhm47"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4206137197.pdf","grobid_xml":"https://content.openalex.org/works/W4206137197.grobid-xml"},"referenced_works_count":48,"referenced_works":["https://openalex.org/W82634942","https://openalex.org/W1730988453","https://openalex.org/W1805569181","https://openalex.org/W1946463938","https://openalex.org/W1971093680","https://openalex.org/W1978979114","https://openalex.org/W1986103361","https://openalex.org/W1989199622","https://openalex.org/W1991137221","https://openalex.org/W1991893068","https://openalex.org/W2000895149","https://openalex.org/W2001630187","https://openalex.org/W2004007436","https://openalex.org/W2007585408","https://openalex.org/W2013190644","https://openalex.org/W2041414130","https://openalex.org/W2060766881","https://openalex.org/W2063570927","https://openalex.org/W2072598826","https://openalex.org/W2075344914","https://openalex.org/W2090430602","https://openalex.org/W2091074503","https://openalex.org/W2117588717","https://openalex.org/W2139482791","https://openalex.org/W2146762660","https://openalex.org/W2150471045","https://openalex.org/W2156395609","https://openalex.org/W2162317344","https://openalex.org/W2169499952","https://openalex.org/W2170808722","https://openalex.org/W2251884733","https://openalex.org/W2563733746","https://openalex.org/W2761635722","https://openalex.org/W2769700601","https://openalex.org/W2772509791","https://openalex.org/W2799853966","https://openalex.org/W2801536744","https://openalex.org/W2889370884","https://openalex.org/W2890505739","https://openalex.org/W2901833077","https://openalex.org/W2914168887","https://openalex.org/W2966780452","https://openalex.org/W2968244573","https://openalex.org/W2973456802","https://openalex.org/W3025756389","https://openalex.org/W3080136306","https://openalex.org/W3087434364","https://openalex.org/W6681239581"],"related_works":["https://openalex.org/W2110091907","https://openalex.org/W253341182","https://openalex.org/W2187012855","https://openalex.org/W2334725915","https://openalex.org/W3170438605","https://openalex.org/W141901520","https://openalex.org/W2282506930","https://openalex.org/W2794575618","https://openalex.org/W2038298935","https://openalex.org/W2050853938"],"abstract_inverted_index":{"Snow":[0],"liquid":[1,29],"water":[2,30],"produced":[3],"by":[4,111],"melting":[5],"can":[6],"affect":[7],"the":[8,15,25,33,50,53,57,86,94,108,126,134,142,145,160,172,175],"surface":[9],"mass":[10],"and":[11,40,42,62,133,183,212],"energy":[12],"balance":[13],"in":[14,52,178,189],"Antarctic":[16,146],"Ice":[17],"Sheet":[18],"(AIS).":[19],"It":[20],"is":[21,104,174],"essential":[22],"for":[23,48,208],"monitoring":[24],"occurrence":[26],"of":[27,60,89,129,137,141],"snow":[28,72,131,139,196],"(OLW)":[31],"within":[32],"snowpack.":[34],"Spaceborne":[35],"microwave":[36],"sensors":[37],"(i.e.":[38],"scatterometer":[39,150,173],"radiometer)":[41],"climate":[43,184],"models":[44],"are":[45,67],"primary":[46],"tools":[47],"examining":[49],"OLW":[51,90,101],"AIS.":[54],"However,":[55],"implementing":[56],"complementary":[58],"nature":[59],"measurements":[61,143],"comparing":[63,209],"their":[64],"observations":[65,211],"quantitatively":[66,124],"challenging":[68],"owing":[69],"to":[70,84,93,163],"sparse":[71],"wetness":[73],"validation":[74],"data.":[75],"In":[76],"this":[77,166],"study,":[78],"we":[79,97,123],"use":[80],"categorical":[81],"triple":[82],"collocation":[83],"rank":[85],"relative":[87],"performance":[88,157],"products.":[91,121],"According":[92],"first":[95],"rankings,":[96],"construct":[98],"an":[99],"ensemble":[100],"product":[102],"that":[103,171],"more":[105],"consistent":[106],"with":[107],"results":[109],"detected":[110],"in-situ":[112],"station":[113],"air":[114],"temperature":[115],"data":[116,119],"than":[117],"single":[118],"source":[120],"Furthermore,":[122],"estimate":[125],"proportion":[127,135],"correct":[128,136],"wet":[130,195],"(sensitivity)":[132],"dry":[138],"(specificity)":[140],"on":[144,159],"Peninsula":[147],"(AP).":[148],"The":[149,181,201],"demonstrates":[151],"high":[152,187],"balanced":[153],"accuracy":[154],"(a":[155],"binary-variable":[156],"metric)":[158],"AP":[161],"(up":[162],"0.899);":[164],"however,":[165],"result":[167],"does":[168],"not":[169],"signify":[170],"optimal":[176],"observation":[177],"any":[179],"period.":[180],"radiometer":[182],"model":[185],"show":[186],"sensitivities":[188],"different":[190],"melt":[191],"stages":[192],"but":[193],"underestimate":[194],"extent":[197],"during":[198],"certain":[199],"periods.":[200],"quantitative":[202],"estimation":[203],"provides":[204],"a":[205],"new":[206],"perspective":[207],"various":[210],"detection":[213],"methods.":[214]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}