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dc.contributor.authorMillan, Romain
dc.contributor.authorRignot, Eric
dc.contributor.authorRivera, A
dc.contributor.authorMartineau, Vincent
dc.contributor.authorMouginot, Jérémie
dc.contributor.authorZamora, Rodrigo
dc.contributor.authorUribe, Jose
dc.contributor.authorLenzano, G
dc.contributor.authorde Fleurian, Basile
dc.contributor.authorLi, Xin
dc.contributor.authorGim, Yonggyu
dc.contributor.authorKirchner, Donald L.
dc.date.accessioned2020-07-03T08:10:18Z
dc.date.available2020-07-03T08:10:18Z
dc.date.issued2019
dc.PublishedMillan R, Rignot E, Rivera A, Martineau, Mouginot J, Zamora, Uribe, Lenzano, de Fleurian B, Li X, Gim, Kirchner. Ice Thickness and Bed Elevation of the Northern and Southern Patagonian Icefields. Geophysical Research Letters. 2019;46(12):6626-6635eng
dc.identifier.issn1944-8007en_US
dc.identifier.issn0094-8276en_US
dc.identifier.urihttps://hdl.handle.net/1956/23292
dc.description.abstractThe Northern and Southern Patagonian Icefields are the largest ice masses in the Southern Hemisphere outside Antarctica, but their ice volume and bed topography are poorly known. Here, we combine airborne gravity data collected in 2012 and 2016, with radar data from the Warm Ice Experiment Sounder and Centro de Estudios Científicos's to map bed elevation and ice thickness in great detail. We perform a 3‐D inversion of the gravity data constrained by radar‐derived thickness and fjord bathymetry to infer bed elevation at 500‐m spacing, with a precision of about 60 m. We detect deep glacial valleys with ice thickness exceeding 1,400 m and sectors below sea level on the western branch of Glaciar Pio XI, Occidental, between San Rafael and Colonia, and near Fitz Roy. We calculate an ice volume of 4,756 ± 923 km3 for Northern Patagonia Icefield and Southern Patagonia Icefield, or 40 times the volume of glaciers in the European Alps.en_US
dc.language.isoengeng
dc.publisherAGUen_US
dc.rightsAttribution-NonCommercial-NoDerivs CC BY-NC-NDeng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/eng
dc.titleIce Thickness and Bed Elevation of the Northern and Southern Patagonian Icefieldsen_US
dc.typePeer reviewed
dc.typeJournal article
dc.date.updated2019-12-05T11:23:46Z
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2019 The Author(s)en_US
dc.identifier.doihttps://doi.org/10.1029/2019gl082485
dc.identifier.cristin1757086
dc.source.journalGeophysical Research Letters


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