{"refrec":{"BRefID":338025,"RR":"<b>Glaude, Q.; Amory, C.; Berger, S.; Derauw, D.; Pattyn, F.; Barbier, C.; Orban, A.</b> (2020). Empirical removal of tides and inverse barometer effect on DInSAR from double DInSAR and a regional climate model. <i>IEEE J. Sel. Top. Appl. Earth Observ. Remote Sens.  13</i>: 4085-4094. <a href=\"https://hdl.handle.net/10.1109/JSTARS.2020.3008497\" target=\"_blank\">https://hdl.handle.net/10.1109/JSTARS.2020.3008497</a>","BEntID":334649,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>IEEE J. Sel. Top. Appl. Earth Observ. Remote Sens.  13</i>: 4085-4094. <a href=\"https://hdl.handle.net/10.1109/JSTARS.2020.3008497\" target=\"_blank\">https://hdl.handle.net/10.1109/JSTARS.2020.3008497</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Glaude, Q.; Amory, C.; Berger, S.; Derauw, D.; Pattyn, F.; Barbier, C.; Orban, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Glaude, Q. <i>et al.</i>","Englishabstract":"Ice shelves-the floating extensions of the Antarctic ice sheet-regulate the Antarctic contribution to sea-level rise by restraining the grounded ice flowing from upstream. Therefore, ice-shelf change (e.g., ice-shelf thinning) results in accelerated ice discharge into the ocean, which has a direct effect on sea level. Studying ice-shelf velocity allows the monitoring of the ice shelves' stability and evolution. Differential synthetic aperture radar interferometry (DInSAR) is a common technique from which highly accurate velocity maps can be inferred at high resolution. Because ice shelves are afloat, small sea-level changes-i.e., ocean tides and varying atmospheric pressure (aka inverse barometer effect) lead to vertical displacements. If not accounted for in the interferometric process, these effects will induce a strong bias in the horizontal velocity estimation. In this article, we present an empirical DInSAR correction technique from geophysical models and double DInSAR, with a study on its variance propagation. The method is developed to be used at large coverage on short timescales, essential for the near-continuous monitoring of rapidly changing areas on polar ice sheets. We used Sentinel-1 SAR acquisitions in interferometric wide and extra -wide swath modes. The vertical interferometric bias is estimated using a regional climate model (MAR) and a tide model (CATS2008). The study area is located on the Roi Baudouin Ice Shelf in Dronning Maud Land, East Antarctica. Results show a major decrease (67 m·a -1 ) in the vertical-induced displacement bias.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Empirical removal of tides and inverse barometer effect on DInSAR from double DInSAR and a regional climate model","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-01 01:32:09.832301","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Antarctica; differential synthetic aperture radar (SAR) interferometry (DInSAR); double DInSAR (DDInSAR); ice shelf; inverse barometer effect(IBE); tides","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2021-05-28","DateCreate":"2021-05-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000554889400004","VABBcode":null,"OpenAcc":1,"Handle":"10.1109/JSTARS.2020.3008497"},"refs":null,"anarec":{"AnaID":338025,"PubliDate":2020,"Pagination":"4085-4094","XtraPublOfAnaID":null,"ISBN":null,"Volume":"13","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":242910,"SerRR":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. IEEE: Piscataway.  ISSN 1939-1404; e-ISSN 2151-1535","StandardTitleSer":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","ISSN":"1939-1404","AbbrevSer":"IEEE J. Sel. Top. Appl. Earth Observ. Remote Sens. 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