Mostrar el registro sencillo del ítem
dc.contributor.author
Millan, R.
dc.contributor.author
Rignot, E.
dc.contributor.author
Rivera, A.
dc.contributor.author
Martineau, V.
dc.contributor.author
Mouginot, J.
dc.contributor.author
Zamora, R.
dc.contributor.author
Uribe, J.
dc.contributor.author
Lenzano, María Gabriela
dc.contributor.author
De Fleurian, B.
dc.contributor.author
Li, X.
dc.contributor.author
Gim, Y.
dc.contributor.author
Kirchner, D.
dc.date.available
2021-02-25T17:51:58Z
dc.date.issued
2019-06
dc.identifier.citation
Millan, R.; Rignot, E.; Rivera, A.; Martineau, V.; Mouginot, J.; et al.; Ice Thickness and Bed Elevation of the Northern and Southern Patagonian Icefields; American Geophysical Union; Geophysical Research Letters; 46; 12; 6-2019; 6626-6635
dc.identifier.issn
0094-8276
dc.identifier.uri
http://hdl.handle.net/11336/126646
dc.description.abstract
The 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.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Geophysical Union
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AIRBORNE GRAVITY
dc.subject
BEDROCK TOPOGRAPHY
dc.subject
ICE THICKNESS
dc.subject
ICE VOLUME
dc.subject
PATAGONIAN ICEFIELDS
dc.subject
RADAR DEPTH SOUNDER
dc.subject.classification
Otras Ingenierías y Tecnologías
dc.subject.classification
Otras Ingenierías y Tecnologías
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.title
Ice Thickness and Bed Elevation of the Northern and Southern Patagonian Icefields
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-20T17:52:49Z
dc.journal.volume
46
dc.journal.number
12
dc.journal.pagination
6626-6635
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Washington
dc.description.fil
Fil: Millan, R.. University of California at Irvine; Estados Unidos
dc.description.fil
Fil: Rignot, E.. University of California; Estados Unidos. Jet Propulsion Laboratory; Estados Unidos. Centro de Estudios Científicos; Chile
dc.description.fil
Fil: Rivera, A.. Centro de Estudios Científicos; Chile. Universidad de Chile; Chile
dc.description.fil
Fil: Martineau, V.. University of California; Estados Unidos
dc.description.fil
Fil: Mouginot, J.. University of California at Irvine; Estados Unidos
dc.description.fil
Fil: Zamora, R.. Universidad de Chile; Chile. Centro de Estudios Científicos; Chile
dc.description.fil
Fil: Uribe, J.. Centro de Estudios Científicos; Chile
dc.description.fil
Fil: Lenzano, María Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil
Fil: De Fleurian, B.. University of Bergen; Noruega
dc.description.fil
Fil: Li, X.. University of California at Irvine; Estados Unidos
dc.description.fil
Fil: Gim, Y.. Jet Propulsion Laboratory; Estados Unidos
dc.description.fil
Fil: Kirchner, D.. University of Iowa; Estados Unidos
dc.journal.title
Geophysical Research Letters
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1029/2019GL082485
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1029/2019GL082485
Archivos asociados