{"id":"https://openalex.org/W2089877619","doi":"https://doi.org/10.1109/tgrs.2013.2279606","title":"An EnOI Assimilation of Satellite Data in an Indian Ocean Circulation Model","display_name":"An EnOI Assimilation of Satellite Data in an Indian Ocean Circulation Model","publication_year":2013,"publication_date":"2013-09-11","ids":{"openalex":"https://openalex.org/W2089877619","doi":"https://doi.org/10.1109/tgrs.2013.2279606","mag":"2089877619"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2013.2279606","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2013.2279606","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/A5020446639","display_name":"Smitha Ratheesh","orcid":"https://orcid.org/0000-0001-6595-8648"},"institutions":[{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Smitha Ratheesh","raw_affiliation_strings":["Atmospheric and Oceanic Sciences Group, Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","Atmos. & Oceanic Sci. Group, Indian Space Res. Organ., Ahmedabad, India"],"affiliations":[{"raw_affiliation_string":"Atmospheric and Oceanic Sciences Group, Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"Atmos. & Oceanic Sci. Group, Indian Space Res. Organ., Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030071921","display_name":"Rashmi Sharma","orcid":"https://orcid.org/0000-0002-0783-269X"},"institutions":[{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Rashmi Sharma","raw_affiliation_strings":["Atmospheric and Oceanic Sciences Group, Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","Atmos. & Oceanic Sci. Group, Indian Space Res. Organ., Ahmedabad, India"],"affiliations":[{"raw_affiliation_string":"Atmospheric and Oceanic Sciences Group, Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"Atmos. & Oceanic Sci. Group, Indian Space Res. Organ., Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102081377","display_name":"Sujit Basu","orcid":null},"institutions":[{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sujit Basu","raw_affiliation_strings":["Atmospheric and Oceanic Sciences Group, Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","Atmos. & Oceanic Sci. Group, Indian Space Res. Organ., Ahmedabad, India"],"affiliations":[{"raw_affiliation_string":"Atmospheric and Oceanic Sciences Group, Space Applications Centre, Indian Space Research Organization, Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]},{"raw_affiliation_string":"Atmos. & Oceanic Sci. Group, Indian Space Res. Organ., Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5020446639"],"corresponding_institution_ids":["https://openalex.org/I1289461252"],"apc_list":null,"apc_paid":null,"fwci":1.5178,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.82157799,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"52","issue":"7","first_page":"4106","last_page":"4111"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.9998000264167786,"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/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.9998000264167786,"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/T10029","display_name":"Climate variability and models","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.9973000288009644,"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/buoy","display_name":"Buoy","score":0.7626606225967407},{"id":"https://openalex.org/keywords/data-assimilation","display_name":"Data assimilation","score":0.747957706451416},{"id":"https://openalex.org/keywords/drifter","display_name":"Drifter","score":0.6469602584838867},{"id":"https://openalex.org/keywords/sea-surface-temperature","display_name":"Sea surface temperature","score":0.6267178058624268},{"id":"https://openalex.org/keywords/spurious-relationship","display_name":"Spurious relationship","score":0.5689526796340942},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5557846426963806},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.5298224091529846},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5092822313308716},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.4484651982784271},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4265737533569336},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.33412185311317444},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.244367778301239},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.1834867298603058},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14435651898384094},{"id":"https://openalex.org/keywords/lagrangian","display_name":"Lagrangian","score":0.13774552941322327},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12020412087440491},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08590278029441833}],"concepts":[{"id":"https://openalex.org/C2779847632","wikidata":"https://www.wikidata.org/wiki/Q30026","display_name":"Buoy","level":2,"score":0.7626606225967407},{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.747957706451416},{"id":"https://openalex.org/C95826659","wikidata":"https://www.wikidata.org/wiki/Q2451097","display_name":"Drifter","level":3,"score":0.6469602584838867},{"id":"https://openalex.org/C134097258","wikidata":"https://www.wikidata.org/wiki/Q1507383","display_name":"Sea surface temperature","level":2,"score":0.6267178058624268},{"id":"https://openalex.org/C97256817","wikidata":"https://www.wikidata.org/wiki/Q1462316","display_name":"Spurious relationship","level":2,"score":0.5689526796340942},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5557846426963806},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.5298224091529846},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5092822313308716},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.4484651982784271},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4265737533569336},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.33412185311317444},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.244367778301239},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.1834867298603058},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14435651898384094},{"id":"https://openalex.org/C53469067","wikidata":"https://www.wikidata.org/wiki/Q505735","display_name":"Lagrangian","level":2,"score":0.13774552941322327},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12020412087440491},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08590278029441833},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2013.2279606","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2013.2279606","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","display_name":"Life below water","score":0.8799999952316284}],"awards":[],"funders":[{"id":"https://openalex.org/F4320336495","display_name":"Space Applications Centre","ror":null},{"id":"https://openalex.org/F4320337386","display_name":"Division of Ocean Sciences","ror":"https://ror.org/05wqqhv83"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1529100907","https://openalex.org/W1971279420","https://openalex.org/W1974638139","https://openalex.org/W1980795465","https://openalex.org/W2001089848","https://openalex.org/W2004270895","https://openalex.org/W2005995356","https://openalex.org/W2009104157","https://openalex.org/W2022685475","https://openalex.org/W2028424891","https://openalex.org/W2037626930","https://openalex.org/W2038742869","https://openalex.org/W2043654662","https://openalex.org/W2053077830","https://openalex.org/W2054974383","https://openalex.org/W2068918202","https://openalex.org/W2071794625","https://openalex.org/W2072449747","https://openalex.org/W2084135393","https://openalex.org/W2089115589","https://openalex.org/W2110795703","https://openalex.org/W2120721192","https://openalex.org/W2132742667","https://openalex.org/W2175788649","https://openalex.org/W2176368430","https://openalex.org/W2178411325","https://openalex.org/W2589800576"],"related_works":["https://openalex.org/W2019791106","https://openalex.org/W2022590407","https://openalex.org/W2615421615","https://openalex.org/W2015864038","https://openalex.org/W2103795723","https://openalex.org/W2087119095","https://openalex.org/W2308792502","https://openalex.org/W2984862181","https://openalex.org/W2148272468","https://openalex.org/W2121826578"],"abstract_inverted_index":{"Ensemble":[0],"optimal":[1],"interpolation,":[2],"a":[3,41,58,63,88,205,216],"simplified":[4],"and":[5,22,121,137,149,164,169,204],"computationally":[6],"inexpensive":[7],"version":[8],"of":[9,62,92,95,113,131,175,186,212,220],"ensemble":[10],"Kalman":[11],"filter,":[12],"has":[13,44,75,139,177,197],"been":[14,46,76,102,127,140,153,178,198],"used":[15,47],"to":[16,34,142,200],"assimilate":[17],"satellite-derived":[18],"sea":[19,23],"level":[20],"anomaly":[21],"surface":[24,148,189],"temperature":[25,122],"in":[26,104,134],"an":[27,49],"Indian":[28],"Ocean":[29],"circulation":[30],"model.":[31],"In":[32],"order":[33],"cut":[35],"off":[36],"the":[37,68,79,82,93,96,105,114,171,184],"long-range":[38],"spurious":[39],"covariances,":[40],"localization":[42],"technique":[43],"also":[45],"where":[48],"assumption":[50],"is":[51],"made":[52],"that":[53,71,78],"only":[54],"measurements":[55],"located":[56],"within":[57],"certain":[59],"influence":[60],"radius":[61],"grid":[64,72],"point":[65],"can":[66],"affect":[67],"analysis":[69,106,163],"at":[70,123,155,192],"point.":[73],"It":[74],"found":[77,141,199],"analyses":[80],"fit":[81],"assimilated":[83],"observations":[84,130],"quite":[85],"well.":[86],"For":[87],"more":[89],"stringent":[90],"test":[91],"power":[94],"assimilation":[97,138,176,187,211],"technique,":[98],"selected":[99,193],"regions":[100],"have":[101,126,152],"demarcated":[103],"area.":[107],"Simulated":[108,147],"mixed":[109],"layer":[110],"depth,":[111],"depth":[112,125],"20":[115],"<sup":[116],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[117],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\u00b0</sup>":[118],"C":[119],"isotherm,":[120],"400-m":[124],"compared":[128,154],"with":[129,215],"these":[132,135,181],"variables":[133],"regions,":[136],"exhibit":[143],"significant":[144,206],"positive":[145,173],"impact.":[146],"subsurface":[150],"temperatures":[151],"isolated":[156],"Research":[157],"moored":[158],"array":[159],"for":[160],"African-Asian-Australian":[161],"monsoon":[162],"prediction":[165],"(RAMA)":[166],"buoy":[167,195],"locations,":[168],"again,":[170],"high":[172,218],"impact":[174,185],"evident":[179],"from":[180],"comparisons.":[182],"Finally,":[183],"on":[188],"current":[190],"simulation":[191],"RAMA":[194],"locations":[196],"be":[201],"somewhat":[202],"marginal,":[203],"improvement":[207],"apparently":[208],"needs":[209],"additional":[210],"drifter":[213],"data":[214],"very":[217],"concentration":[219],"drifters.":[221]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
