{"id":"https://openalex.org/W4412623662","doi":"https://doi.org/10.1109/tgrs.2025.3592243","title":"Marine Quasi-Geoid Enhancement From SWOT Wide-Swath Data and Its Mapping of Mean Dynamic Topography Over Island Areas","display_name":"Marine Quasi-Geoid Enhancement From SWOT Wide-Swath Data and Its Mapping of Mean Dynamic Topography Over Island Areas","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4412623662","doi":"https://doi.org/10.1109/tgrs.2025.3592243"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2025.3592243","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3592243","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-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/A5100651163","display_name":"Yihao Wu","orcid":"https://orcid.org/0000-0001-8026-6105"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yihao Wu","raw_affiliation_strings":["School of Geomatics Science and Technology, Nanjing Tech University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Geomatics Science and Technology, Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064774963","display_name":"Ole Andersen","orcid":"https://orcid.org/0000-0002-6685-3415"},"institutions":[{"id":"https://openalex.org/I96673099","display_name":"Technical University of Denmark","ror":"https://ror.org/04qtj9h94","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Ole Baltazar Andersen","raw_affiliation_strings":["Department of Geodesy and Earth Observation, DTU Space, Technical University of Denmark, Lyngby, Denmark","DTU Space, Technical University of Denmark, Lyngby, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Geodesy and Earth Observation, DTU Space, Technical University of Denmark, Lyngby, Denmark","institution_ids":["https://openalex.org/I96673099"]},{"raw_affiliation_string":"DTU Space, Technical University of Denmark, Lyngby, Denmark","institution_ids":["https://openalex.org/I96673099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119061799","display_name":"Adili Abulaitijiang","orcid":null},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Adili Abulaitijiang","raw_affiliation_strings":["Institute of Geodesy and Geoinformation, University of Bonn, Bonn, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Geodesy and Geoinformation, University of Bonn, Bonn, Germany","institution_ids":["https://openalex.org/I135140700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082439183","display_name":"Bin Wang","orcid":"https://orcid.org/0000-0001-5609-1149"},"institutions":[{"id":"https://openalex.org/I134687103","display_name":"Nanjing Tech University","ror":"https://ror.org/03sd35x91","country_code":"CN","type":"education","lineage":["https://openalex.org/I134687103"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Wang","raw_affiliation_strings":["School of Geomatics Science and Technology, Nanjing Tech University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Geomatics Science and Technology, Nanjing Tech University, Nanjing, China","institution_ids":["https://openalex.org/I134687103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100579813","display_name":"Xiufeng He","orcid":null},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiufeng He","raw_affiliation_strings":["School of Earth Sciences and Engineering, Hohai University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Earth Sciences and Engineering, Hohai University, Nanjing, China","institution_ids":["https://openalex.org/I163340411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108697529","display_name":"Haodan Shi","orcid":"https://orcid.org/0000-0002-3514-2768"},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongkai Shi","raw_affiliation_strings":["School of Earth Sciences and Engineering, Hohai University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Earth Sciences and Engineering, Hohai University, Nanjing, China","institution_ids":["https://openalex.org/I163340411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051584459","display_name":"Zhicai Luo","orcid":"https://orcid.org/0000-0002-5824-0280"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhicai Luo","raw_affiliation_strings":["National Gravitation Laboratory, Institute of Geophysics, MOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, Wuhan, China","Institute of Geophysics, MOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, National Gravitation Laboratory, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"National Gravitation Laboratory, Institute of Geophysics, MOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"Institute of Geophysics, MOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, National Gravitation Laboratory, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026554347","display_name":"Haihong Wang","orcid":"https://orcid.org/0000-0002-0106-8360"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haihong Wang","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5100651163"],"corresponding_institution_ids":["https://openalex.org/I134687103"],"apc_list":null,"apc_paid":null,"fwci":0.91,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.7602571,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"63","issue":null,"first_page":"1","last_page":"20"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10995","display_name":"Methane Hydrates and Related Phenomena","score":0.8618000149726868,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10995","display_name":"Methane Hydrates and Related Phenomena","score":0.8618000149726868,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T14047","display_name":"Marine and environmental studies","score":0.8041999936103821,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.7828999757766724,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/geoid","display_name":"Geoid","score":0.9222347140312195},{"id":"https://openalex.org/keywords/ocean-surface-topography","display_name":"Ocean surface topography","score":0.8265889286994934},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.6238516569137573},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6181957721710205},{"id":"https://openalex.org/keywords/swot-analysis","display_name":"SWOT analysis","score":0.5833097696304321},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.5815815925598145},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.23089200258255005}],"concepts":[{"id":"https://openalex.org/C80989030","wikidata":"https://www.wikidata.org/wiki/Q185969","display_name":"Geoid","level":3,"score":0.9222347140312195},{"id":"https://openalex.org/C150320492","wikidata":"https://www.wikidata.org/wiki/Q7076157","display_name":"Ocean surface topography","level":2,"score":0.8265889286994934},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6238516569137573},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6181957721710205},{"id":"https://openalex.org/C119059837","wikidata":"https://www.wikidata.org/wiki/Q175096","display_name":"SWOT analysis","level":2,"score":0.5833097696304321},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5815815925598145},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.23089200258255005},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C113346285","wikidata":"https://www.wikidata.org/wiki/Q6804193","display_name":"Measured depth","level":2,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2025.3592243","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3592243","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.6600000262260437,"display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G490846274","display_name":null,"funder_award_id":"42374099","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7377431413","display_name":null,"funder_award_id":"U23A2028","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G992265225","display_name":null,"funder_award_id":"42474044","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":66,"referenced_works":["https://openalex.org/W1633934873","https://openalex.org/W1732004801","https://openalex.org/W1985385561","https://openalex.org/W1993119636","https://openalex.org/W2009619252","https://openalex.org/W2025413211","https://openalex.org/W2032366730","https://openalex.org/W2047018904","https://openalex.org/W2053987409","https://openalex.org/W2056479308","https://openalex.org/W2076921262","https://openalex.org/W2083904091","https://openalex.org/W2106996314","https://openalex.org/W2113638183","https://openalex.org/W2120423818","https://openalex.org/W2123786602","https://openalex.org/W2132320923","https://openalex.org/W2138331294","https://openalex.org/W2146645469","https://openalex.org/W2150392663","https://openalex.org/W2222603535","https://openalex.org/W2327759821","https://openalex.org/W2527159626","https://openalex.org/W2589844606","https://openalex.org/W2618525955","https://openalex.org/W2743643575","https://openalex.org/W2746957661","https://openalex.org/W2760981168","https://openalex.org/W2766132816","https://openalex.org/W2766628814","https://openalex.org/W2779393347","https://openalex.org/W2910169751","https://openalex.org/W2937363749","https://openalex.org/W2938404688","https://openalex.org/W2946292188","https://openalex.org/W2974741142","https://openalex.org/W2986786887","https://openalex.org/W2989593195","https://openalex.org/W2990325113","https://openalex.org/W2995786488","https://openalex.org/W3014334566","https://openalex.org/W3035562928","https://openalex.org/W3036870042","https://openalex.org/W3044870978","https://openalex.org/W3048387442","https://openalex.org/W3120994417","https://openalex.org/W3122658311","https://openalex.org/W3192029143","https://openalex.org/W3193882695","https://openalex.org/W4224284947","https://openalex.org/W4312852549","https://openalex.org/W4323304418","https://openalex.org/W4379231665","https://openalex.org/W4386713476","https://openalex.org/W4388003045","https://openalex.org/W4388966709","https://openalex.org/W4391999527","https://openalex.org/W4392464417","https://openalex.org/W4398765290","https://openalex.org/W4399702641","https://openalex.org/W4401976674","https://openalex.org/W4402527621","https://openalex.org/W4403337734","https://openalex.org/W4405306560","https://openalex.org/W4408039783","https://openalex.org/W6910404364"],"related_works":["https://openalex.org/W121385226","https://openalex.org/W3210340099","https://openalex.org/W4319794883","https://openalex.org/W2892210291","https://openalex.org/W1494283195","https://openalex.org/W2405008382","https://openalex.org/W2216119249","https://openalex.org/W4296012791","https://openalex.org/W2122000564","https://openalex.org/W1586860838"],"abstract_inverted_index":{"The":[0,110,134,164,200],"lack":[1],"of":[2,9,32,70,91,129,136,141,167,194,229],"marine":[3],"gravimetric":[4],"measurements":[5],"and":[6,21,52,177,191],"the":[7,30,40,49,60,68,79,85,95,115,119,127,168,172,185,192,204,227],"presence":[8],"severely":[10],"contaminated":[11],"altimetry":[12,34,117,149],"data":[13,47,73,97,182,225],"pose":[14],"multiple":[15],"challenges":[16],"in":[17,63,74,125],"high-quality":[18],"quasi-geoid":[19],"(QG)":[20],"mean":[22],"dynamic":[23],"topography":[24],"(MDT)":[25],"determination":[26],"over":[27,59],"islands,":[28],"where":[29],"application":[31],"nadir":[33,108,148,217],"alone":[35],"is":[36],"inadequate.":[37],"We":[38],"explore":[39],"potential":[41],"for":[42],"regional":[43],"enhancement":[44],"using":[45,71,118,216],"wide-swath":[46],"from":[48,94,107,114,147,171,244],"Surface":[50],"Water":[51],"Ocean":[53],"Topography":[54],"(SWOT)":[55],"mission.":[56],"Numerical":[57],"experiments":[58],"Paracel":[61],"Islands":[62],"South":[64],"China":[65],"Sea":[66],"underscore":[67],"superiority":[69],"SWOT":[72,96,173,224],"QG/MDT":[75,232],"computation.":[76],"Comparisons":[77],"with":[78,233],"airborne":[80,245],"gravimetry-derived":[81],"QG":[82,111,187],"reveal":[83],"that":[84,184,222,242],"Root":[86],"Mean":[87],"Square":[88],"Errors":[89],"(RMSEs)":[90],"QGs":[92,131,138,169],"derived":[93,105,243],"are":[98,123,157],"reduced":[99],"by":[100],"38.24\u201360.90%":[101],"compared":[102,143,211,240],"to":[103,144,154,208,212,241],"those":[104,145,213],"solely":[106],"altimetry.":[109,218],"profiles":[112],"retrieved":[113],"Sentinel-3A/B":[116,160],"fully-focused":[120],"SAR":[121],"technology":[122],"effective":[124],"discriminating":[126],"quality":[128],"different":[130],"near":[132],"islands.":[133,163],"RMSEs":[135],"SWOT-derived":[137,201],"constitute":[139],"reductions":[140],"6.27\u201317.52%":[142],"computed":[146,170,214],"alone.":[150],"Notable":[151],"improvements":[152],"up":[153,207],"4":[155],"cm":[156,239],"observed":[158],"when":[159],"tracks":[161],"approached":[162],"mutual":[165],"comparison":[166],"gravity":[174,179],"anomaly":[175],"(GRA)":[176],"vertical":[178],"gradient":[180],"(VGG)":[181],"suggests":[183],"VGG-derived":[186],"has":[188],"improved":[189],"quality,":[190],"utilization":[193],"VGG":[195],"recovers":[196],"more":[197],"small-scale":[198],"signals.":[199],"MDTs":[202],"reduce":[203],"bubble-like":[205],"errors":[206],"several":[209],"centimeters":[210],"exclusively":[215],"Our":[219],"findings":[220],"highlight":[221],"utilizing":[223],"enables":[226],"acquisition":[228],"an":[230,234],"accurate":[231],"RMSE":[235],"less":[236],"than":[237],"1":[238],"gravimetry.":[246]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
