{"id":"https://openalex.org/W3004825474","doi":"https://doi.org/10.1137/19m1244147","title":"An Iterative Ensemble Kalman Smoother in Presence of Additive Model Error","display_name":"An Iterative Ensemble Kalman Smoother in Presence of Additive Model Error","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3004825474","doi":"https://doi.org/10.1137/19m1244147","mag":"3004825474"},"language":"en","primary_location":{"id":"doi:10.1137/19m1244147","is_oa":false,"landing_page_url":"https://doi.org/10.1137/19m1244147","pdf_url":null,"source":{"id":"https://openalex.org/S2911293512","display_name":"SIAM/ASA Journal on Uncertainty Quantification","issn_l":"2166-2525","issn":["2166-2525"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM/ASA Journal on Uncertainty Quantification","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/A5017690447","display_name":"Anthony Fillion","orcid":null},"institutions":[{"id":"https://openalex.org/I4210130371","display_name":"Centre d'Enseignement et de Recherche en Environnement Atmosph\u00e9rique","ror":"https://ror.org/03a84yw54","country_code":"FR","type":"facility","lineage":["https://openalex.org/I142631665","https://openalex.org/I4210130371","https://openalex.org/I4210143116","https://openalex.org/I4210145102"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Anthony Fillion","raw_affiliation_strings":["Centre d'Enseignement et de Recherche en Environnement Atmosph\u00e9rique"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre d'Enseignement et de Recherche en Environnement Atmosph\u00e9rique","institution_ids":["https://openalex.org/I4210130371"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087494328","display_name":"Marc Bocquet","orcid":"https://orcid.org/0000-0003-2675-0347"},"institutions":[{"id":"https://openalex.org/I4210130371","display_name":"Centre d'Enseignement et de Recherche en Environnement Atmosph\u00e9rique","ror":"https://ror.org/03a84yw54","country_code":"FR","type":"facility","lineage":["https://openalex.org/I142631665","https://openalex.org/I4210130371","https://openalex.org/I4210143116","https://openalex.org/I4210145102"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Marc Bocquet","raw_affiliation_strings":["Centre d'Enseignement et de Recherche en Environnement Atmosph\u00e9rique"],"raw_orcid":"https://orcid.org/0000-0003-2675-0347","affiliations":[{"raw_affiliation_string":"Centre d'Enseignement et de Recherche en Environnement Atmosph\u00e9rique","institution_ids":["https://openalex.org/I4210130371"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036298459","display_name":"Serge Gratton","orcid":"https://orcid.org/0000-0002-5021-2357"},"institutions":[{"id":"https://openalex.org/I205747304","display_name":"Institut National Polytechnique de Toulouse","ror":"https://ror.org/033p9g875","country_code":"FR","type":"education","lineage":["https://openalex.org/I205747304","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Serge Gratton","raw_affiliation_strings":["Institut National Polytechnique (Toulouse)","Algorithmes Parall\u00e8les et Optimisation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut National Polytechnique (Toulouse)","institution_ids":["https://openalex.org/I205747304"]},{"raw_affiliation_string":"Algorithmes Parall\u00e8les et Optimisation","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018784017","display_name":"Selime G\u00fcrol","orcid":"https://orcid.org/0000-0003-1269-4022"},"institutions":[{"id":"https://openalex.org/I4210106946","display_name":"Centre Europ\u00e9en de Recherche et de Formation Avanc\u00e9e en Calcul Scientifique","ror":"https://ror.org/02dzbc556","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4210106946"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Selime G\u00fcrol","raw_affiliation_strings":["Centre Europ\u00e9en de Recherche et de Formation Avanc\u00e9e en Calcul Scientifique"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre Europ\u00e9en de Recherche et de Formation Avanc\u00e9e en Calcul Scientifique","institution_ids":["https://openalex.org/I4210106946"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045900742","display_name":"Pavel Sakov","orcid":"https://orcid.org/0000-0003-3040-0980"},"institutions":[{"id":"https://openalex.org/I1286406326","display_name":"Bureau of Meteorology","ror":"https://ror.org/04dkp1p98","country_code":"AU","type":"government","lineage":["https://openalex.org/I1286406326"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Pavel Sakov","raw_affiliation_strings":["Australian Bureau of Meteorology [Melbourne]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Australian Bureau of Meteorology [Melbourne]","institution_ids":["https://openalex.org/I1286406326"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5017690447"],"corresponding_institution_ids":["https://openalex.org/I4210130371"],"apc_list":null,"apc_paid":null,"fwci":1.4081,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.79873581,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"8","issue":"1","first_page":"198","last_page":"228"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","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/T10466","display_name":"Meteorological Phenomena and Simulations","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/T10029","display_name":"Climate variability and models","score":0.9980999827384949,"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/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","score":0.9970999956130981,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/data-assimilation","display_name":"Data assimilation","score":0.7464040517807007},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.5311250686645508},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.5169000625610352},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5166142582893372},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.5060173869132996},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.4620916247367859},{"id":"https://openalex.org/keywords/errors-in-variables-models","display_name":"Errors-in-variables models","score":0.4469809830188751},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.4381791651248932},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.233950674533844},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.20270434021949768},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14223721623420715},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.1125897765159607},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.09982112050056458}],"concepts":[{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.7464040517807007},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.5311250686645508},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.5169000625610352},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5166142582893372},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.5060173869132996},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4620916247367859},{"id":"https://openalex.org/C179024874","wikidata":"https://www.wikidata.org/wiki/Q5395728","display_name":"Errors-in-variables models","level":2,"score":0.4469809830188751},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.4381791651248932},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.233950674533844},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.20270434021949768},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14223721623420715},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.1125897765159607},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.09982112050056458},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1137/19m1244147","is_oa":false,"landing_page_url":"https://doi.org/10.1137/19m1244147","pdf_url":null,"source":{"id":"https://openalex.org/S2911293512","display_name":"SIAM/ASA Journal on Uncertainty Quantification","issn_l":"2166-2525","issn":["2166-2525"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM/ASA Journal on Uncertainty Quantification","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-02943255v1","is_oa":false,"landing_page_url":"https://hal.science/hal-02943255","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"SIAM/ASA Journal on Uncertainty Quantification, 2020, 8 (1), pp.198-228. ⟨10.1137/19M1244147⟩","raw_type":"Journal articles"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1896953440","https://openalex.org/W1984310153","https://openalex.org/W2025179796","https://openalex.org/W2035933721","https://openalex.org/W2049013344","https://openalex.org/W2146643351","https://openalex.org/W2502172102","https://openalex.org/W2605457280","https://openalex.org/W2748353018","https://openalex.org/W2770822775","https://openalex.org/W2783263793","https://openalex.org/W2799514092","https://openalex.org/W2917203664","https://openalex.org/W3099813880","https://openalex.org/W3104779762"],"related_works":["https://openalex.org/W2354857671","https://openalex.org/W2064102138","https://openalex.org/W2525014937","https://openalex.org/W2089615313","https://openalex.org/W4321151660","https://openalex.org/W2356329955","https://openalex.org/W2969755684","https://openalex.org/W4225796319","https://openalex.org/W2147373119","https://openalex.org/W3161923436"],"abstract_inverted_index":{"Ensemble":[0],"variational":[1,29,47],"methods":[2],"are":[3,204],"being":[4],"increasingly":[5],"used":[6],"in":[7,44],"the":[8,18,52,56,72,78,100,138,144,163,194,213],"field":[9],"of":[10,21,102,143,165,188,193],"geophysical":[11],"data":[12,57],"assimilation.":[13],"Their":[14],"efficiency":[15],"comes":[16],"from":[17,212],"combined":[19],"use":[20],"ensembles,":[22],"which":[23,31,81,133],"provide":[24],"statistics":[25],"estimates,":[26],"and":[27,105,120,148,171],"a":[28,83],"analysis,":[30],"handles":[32],"nonlinear":[33],"operators":[34],"through":[35],"iterative":[36,124],"optimization":[37],"techniques.":[38],"Taking":[39],"model":[40,130,189],"error":[41,131],"into":[42],"account":[43],"four-dimensional":[45],"ensemble":[46,125],"algorithms":[48],"is":[49,61,88,93,134,196],"challenging":[50],"because":[51],"state":[53],"trajectory":[54],"over":[55],"assimilation":[58],"window":[59],"(DAW)":[60],"no":[62],"longer":[63,96],"determined":[64],"by":[65],"its":[66],"sole":[67],"initial":[68],"condition.":[69],"In":[70],"particular,":[71],"control":[73,214],"variable":[74,215],"dimension":[75],"scales":[76],"with":[77,95,128],"DAW":[79],"length,":[80],"yields":[82],"high":[84],"numerical":[85],"complexity.":[86],"This":[87],"unfortunate":[89],"since":[90],"accuracy":[91],"improvement":[92],"expected":[94],"DAWs.":[97,185],"Building":[98],"upon":[99],"work":[101],"[P.":[103,167],"Sakov":[104],"M.":[106,172],"Bocquet,":[107,173],"Tellus":[108],"A,":[109],"70":[110],"(2018),":[111,180],"1414545],":[112],"this":[113],"paper":[114],"discusses":[115],"how":[116],"to":[117,136,183,206],"algorithmically":[118],"construct":[119],"numerically":[121,209],"test":[122],"an":[123],"Kalman":[126],"smoother":[127],"additive":[129],"(IEnKS-Q)":[132],"thought":[135],"be":[137],"natural":[139],"weak":[140],"constraint":[141],"generalization":[142,164],"IEnKS":[145],"[M.":[146],"Bocquet":[147],"P.":[149],"Sakov,":[150,168],"Quart.":[151,174],"J.":[152,169,175],"Roy.":[153,176],"Meteorol.":[154,177],"Soc.,":[155,178],"140":[156],"(2014),":[157],"pp.":[158,181],"1521--1535],":[159],"as":[160,162],"well":[161],"IEnKF-Q":[166],"Haussaire,":[170],"144":[179],"1297--1309]":[182],"general":[184],"The":[186],"number":[187],"evaluations":[190,211],"per":[191],"cycle":[192],"IEnKS-Q":[195],"also":[197],"examined.":[198],"Solutions":[199],"based":[200],"on":[201],"perturbation":[202],"decomposition":[203],"proposed":[205],"dissociate":[207],"those":[208],"costly":[210],"dimension.":[216]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}