{"id":"https://openalex.org/W1987045977","doi":"https://doi.org/10.3390/rs70403548","title":"Sea Surface Wind Retrievals from SIR-C/X-SAR Data: A Revisit","display_name":"Sea Surface Wind Retrievals from SIR-C/X-SAR Data: A Revisit","publication_year":2015,"publication_date":"2015-03-26","ids":{"openalex":"https://openalex.org/W1987045977","doi":"https://doi.org/10.3390/rs70403548","mag":"1987045977"},"language":"en","primary_location":{"id":"doi:10.3390/rs70403548","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs70403548","pdf_url":"https://www.mdpi.com/2072-4292/7/4/3548/pdf?version=1427370025","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/2072-4292/7/4/3548/pdf?version=1427370025","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062025862","display_name":"Yongzheng Ren","orcid":"https://orcid.org/0000-0001-7793-4686"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongzheng Ren","raw_affiliation_strings":["Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210128053","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100452106","display_name":"Xiao\u2010Ming Li","orcid":"https://orcid.org/0000-0001-5009-5413"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiao-Ming Li","raw_affiliation_strings":["Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China","Guilin University of Technology"],"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210128053","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Guilin University of Technology","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075826136","display_name":"Guoqing Zhou","orcid":"https://orcid.org/0000-0001-8295-0496"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoqing Zhou","raw_affiliation_strings":["Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, China","Institute of remote sensing and digital earth,Chinese Academy of Sciences"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, China","institution_ids":["https://openalex.org/I38706770"]},{"raw_affiliation_string":"Institute of remote sensing and digital earth,Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100452106"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I38706770","https://openalex.org/I4210128053"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.1437,"has_fulltext":true,"cited_by_count":16,"citation_normalized_percentile":{"value":0.90113422,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"7","issue":"4","first_page":"3548","last_page":"3564"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11061","display_name":"Ocean Waves and Remote Sensing","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11061","display_name":"Ocean Waves and Remote Sensing","score":1.0,"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/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.9994999766349792,"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/T10647","display_name":"Coastal and Marine Dynamics","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"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/buoy","display_name":"Buoy","score":0.8305912613868713},{"id":"https://openalex.org/keywords/scatterometer","display_name":"Scatterometer","score":0.734363317489624},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7104111313819885},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6832112669944763},{"id":"https://openalex.org/keywords/wind-speed","display_name":"Wind speed","score":0.5386016964912415},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5298276543617249},{"id":"https://openalex.org/keywords/c-band","display_name":"C band","score":0.5144970417022705},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.46453410387039185},{"id":"https://openalex.org/keywords/space-based-radar","display_name":"Space-based radar","score":0.4530503451824188},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.42766818404197693},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.4049479067325592},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.357293963432312},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.2939237356185913},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.19310295581817627},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.15167924761772156},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14142274856567383},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.07616174221038818}],"concepts":[{"id":"https://openalex.org/C2779847632","wikidata":"https://www.wikidata.org/wiki/Q30026","display_name":"Buoy","level":2,"score":0.8305912613868713},{"id":"https://openalex.org/C2776212561","wikidata":"https://www.wikidata.org/wiki/Q905295","display_name":"Scatterometer","level":3,"score":0.734363317489624},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7104111313819885},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6832112669944763},{"id":"https://openalex.org/C161067210","wikidata":"https://www.wikidata.org/wiki/Q1464943","display_name":"Wind speed","level":2,"score":0.5386016964912415},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5298276543617249},{"id":"https://openalex.org/C63944557","wikidata":"https://www.wikidata.org/wiki/Q27786604","display_name":"C band","level":2,"score":0.5144970417022705},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.46453410387039185},{"id":"https://openalex.org/C36067731","wikidata":"https://www.wikidata.org/wiki/Q7572176","display_name":"Space-based radar","level":5,"score":0.4530503451824188},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.42766818404197693},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4049479067325592},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.357293963432312},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.2939237356185913},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.19310295581817627},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.15167924761772156},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14142274856567383},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.07616174221038818},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs70403548","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs70403548","pdf_url":"https://www.mdpi.com/2072-4292/7/4/3548/pdf?version=1427370025","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:a7b1c67b1df0478fa8363924ebeac819","is_oa":true,"landing_page_url":"https://doaj.org/article/a7b1c67b1df0478fa8363924ebeac819","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 7, Iss 4, Pp 3548-3564 (2015)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs70403548","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs70403548","pdf_url":"https://www.mdpi.com/2072-4292/7/4/3548/pdf?version=1427370025","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":[{"score":0.8700000047683716,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320311029","display_name":"Institut Fran\u00e7ais de Recherche pour l'Exploitation de la Mer","ror":"https://ror.org/044jxhp58"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1987045977.pdf","grobid_xml":"https://content.openalex.org/works/W1987045977.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W35537997","https://openalex.org/W1969325852","https://openalex.org/W1973031729","https://openalex.org/W1973096989","https://openalex.org/W1975023187","https://openalex.org/W1980813916","https://openalex.org/W1996768758","https://openalex.org/W2002613119","https://openalex.org/W2008132303","https://openalex.org/W2015659461","https://openalex.org/W2028300352","https://openalex.org/W2030836967","https://openalex.org/W2077871235","https://openalex.org/W2079605216","https://openalex.org/W2093761294","https://openalex.org/W2096805340","https://openalex.org/W2115824886","https://openalex.org/W2116337644","https://openalex.org/W2121653040","https://openalex.org/W2121745948","https://openalex.org/W2131872750","https://openalex.org/W2170907756","https://openalex.org/W2274202501","https://openalex.org/W3001235450"],"related_works":["https://openalex.org/W1964893014","https://openalex.org/W2022107088","https://openalex.org/W3009535065","https://openalex.org/W3197977324","https://openalex.org/W2175863575","https://openalex.org/W2321227217","https://openalex.org/W1969081089","https://openalex.org/W2167226100","https://openalex.org/W2100277028","https://openalex.org/W4386631163"],"abstract_inverted_index":{"The":[0],"Geophysical":[1],"Model":[2],"Function":[3],"(GMF)":[4],"XMOD1":[5,52],"provides":[6],"a":[7],"linear":[8],"algorithm":[9],"for":[10,16],"sea":[11,37,77,94,118],"surface":[12,38,78,95,119],"wind":[13,39,41,79,96,120],"field":[14,97],"retrievals":[15],"the":[17,26,29,36,56,63,67,71,83,93,107,116,123],"Spaceborne":[18],"Imaging":[19],"Radar-C/X-band":[20],"Synthetic":[21],"Aperture":[22],"Radar":[23],"(SIR-C/X-SAR).":[24],"However,":[25],"relationship":[27,69],"between":[28,70],"normalized":[30],"radar":[31],"cross":[32],"section":[33],"(NRCS)":[34],"and":[35,43,76,106,135,138,147],"speed,":[40],"direction":[42],"incidence":[44,74],"angles":[45],"is":[46,53,100],"non-linear.":[47],"Therefore,":[48],"in":[49],"this":[50],"paper,":[51],"revisited":[54],"using":[55],"full":[57],"dataset":[58],"of":[59,92,110,132,144],"X-SAR":[60,72,124],"acquired":[61],"over":[62],"ocean.":[64],"We":[65],"analyze":[66],"detailed":[68],"NRCS,":[73],"angle":[75],"speed.":[80],"Based":[81],"on":[82],"C-band":[84],"GMF":[85],"CMOD_IFR2,":[86],"an":[87],"updated":[88],"empirical":[89],"retrieval":[90],"model":[91],"called":[98],"SIRX-MOD":[99],"derived.":[101],"In":[102],"situ":[103],"buoy":[104],"measurements":[105],"scatterometer":[108],"data":[109,125],"ERS-1/SCAT":[111],"are":[112],"used":[113],"to":[114],"validate":[115],"retrieved":[117],"speeds":[121],"from":[122],"with":[126],"SIRX-MOD,":[127],"which":[128],"respectively":[129],"yield":[130],"biases":[131],"0.13":[133],"m/s":[134,137,146],"0.16":[136],"root":[139],"mean":[140],"square":[141],"(RMS)":[142],"errors":[143],"1.83":[145],"1.63":[148],"m/s.":[149]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}