Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Geophysical Research Letters. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints preprintOpen AccessYou are viewing the latest version by default [v1]A Robust Ensemble-based Data Assimilation Method using Shrinkage Estimator and Adaptive InflationAuthorsSantiagoLopez-RestrepoiDElias DavidNino RuiziDAndresYarce BoteroLuis GGuzman-ReyesO. LuciaQuintero MontoyaiDNicolasPineliDArjoSegersArnoldHeeminkiDSee all authors Santiago Lopez-RestrepoiDCorresponding Author• Submitting AuthorDelft University of TechnologylogyiDhttps://orcid.org/0000-0002-7637-1575view email addressThe email was not providedcopy email addressElias David Nino RuiziDUniversidad del NorteiDhttps://orcid.org/0000-0001-7784-8163view email addressThe email was not providedcopy email addressAndres Yarce BoteroUniversidad EAFITview email addressThe email was not providedcopy email addressLuis G Guzman-ReyesUniversidad del Norteview email addressThe email was not providedcopy email addressO. Lucia Quintero MontoyaiDUniversidad EAFITiDhttps://orcid.org/0000-0002-8697-4361view email addressThe email was not providedcopy email addressNicolas PineliDUniversidad EAFITiDhttps://orcid.org/0000-0003-1304-3096view email addressThe email was not providedcopy email addressArjo SegersTNOview email addressThe email was not providedcopy email addressArnold HeeminkiDDelft University of TechnologyiDhttps://orcid.org/0000-0001-8559-9566view email addressThe email was not providedcopy email address