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DOI | 10.1038/S41558-018-0375-7 | ||||
Año | 2019 | ||||
Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Excluding the large ice sheets of Greenland and Antarctica, glaciers in South America are large contributors to sea-level rise(1). Their rates of mass loss, however, are poorly known. Here, using repeat bi-static synthetic aperture radar interferometry over the years 2000 to 2011/2015, we compute continent-wide, glacier-specific elevation and mass changes for 85% of the glacierized area of South America. Mass loss rate is calculated to be 19.43 +/- 0.60 Gt a(-1) from elevation changes above ground, sea or lake level, with an additional 3.06 +/- 1.24 Gt a(-1) from subaqueous ice mass loss not contributing to sea-level rise. The largest contributions come from the Patagonian icefields, where 83% mass loss occurs, largely from dynamic adjustments of large glaciers. These changes contribute 0.054 +/- 0.002 mm a(-1) to sea-level rise. In comparison with previous studies(2), tropical and out-tropical glaciers - as well as those in Tierra del Fuego - show considerably less ice loss. These results provide basic information to calibrate and validate glacier-climate models and also for decision-makers in water resource management(3).
Ord. | Autor | Género | Institución - País |
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1 | Braun, Matthias H. | Hombre |
Friedrich Alexander Univ Erlangen Nurnberg - Alemania
Friedrich-Alexander-Universität Erlangen-Nürnberg - Alemania |
2 | Malz, Philipp | Hombre |
Friedrich Alexander Univ Erlangen Nurnberg - Alemania
Friedrich-Alexander-Universität Erlangen-Nürnberg - Alemania |
3 | Sommer, Christian | Hombre |
Friedrich Alexander Univ Erlangen Nurnberg - Alemania
Friedrich-Alexander-Universität Erlangen-Nürnberg - Alemania |
4 | Farias, David | Hombre |
Friedrich Alexander Univ Erlangen Nurnberg - Alemania
Friedrich-Alexander-Universität Erlangen-Nürnberg - Alemania |
5 | Sauter, Tobias | Hombre |
Friedrich Alexander Univ Erlangen Nurnberg - Alemania
Friedrich-Alexander-Universität Erlangen-Nürnberg - Alemania |
6 | CASASSA-ROGAZINSKI, GINO | Hombre |
Universidad de Magallanes - Chile
Ministerio de Obras Públicas - Chile Dirección General de Aguas - Chile |
7 | Soruco, A. | Hombre |
Univ Mayor San Andres - Bolivia
Universidad Mayor de San Andres Bolivia - Bolivia |
8 | Skvarca, Pedro | Hombre |
Ctr Interpretac Glaciares - Argentina
Centro de Interpretación de Glaciares - Argentina |
9 | Seehaus, Thorsten | Hombre |
Friedrich Alexander Univ Erlangen Nurnberg - Alemania
Friedrich-Alexander-Universität Erlangen-Nürnberg - Alemania |
Fuente |
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FONDECYT |
Fondo Nacional de Desarrollo Científico y Tecnológico |
Deutsche Forschungsgemeinschaft |
BMBF-CONICYT |
Becas-Chile Scholarship |
Fondo Nacional de Desarrollo CientÃfico, Tecnológico y de Innovación Tecnológica |
Bundesministerium fur Wirtschaft und Energie |
Deutsches Zentrum für Luft- und Raumfahrt |
DLR/BMWi grant GEKKO |
DFG Priority Program 'Regional Sea Level Change and Society' |
HGF Alliance Remote Sensing & Earth System Dynamics |
BMBF-CONICYT project GABY-VASA |
Regional Sea Level Change and Society |
DLR/BMWi |
Agradecimiento |
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This study was financially supported with the grant BR2105/14-1 within the DFG Priority Program 'Regional Sea Level Change and Society' and by grant SA2339/3-1, the BMBF-CONICYT project GABY-VASA (01DN15020, BMBF20140052), the DLR/BMWi grant GEKKO (50EE1544) as well as the HGF Alliance Remote Sensing & Earth System Dynamics and FONDECYT 1161130. D.F.B. was funded under a BECAS-Chile scholarship. |
This study was financially supported with the grant BR2105/14-1 within the DFG Priority Program 'Regional Sea Level Change and Society’ and by grant SA2339/3-1, the BMBF-CONICYT project GABY-VASA (01DN15020, BMBF20140052), the DLR/BMWi grant GEKKO (50EE1544) as well as the HGF Alliance Remote Sensing & Earth System Dynamics and FONDECYT 1161130. D.F.B. was funded under a BECAS-Chile scholarship. |