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Provedor de dados:  ArchiMer
País:  France
Título:  Evidence for a differential sea level rise between hemispheres over the twentieth century
Autores:  Woeppelmann, Guy
Marcos, Marta
Santamaria-gomez, Alvaro
Martin-miguez, Belen
Bouin, Marie-noelle
Gravelle, Mederic
Data:  2014-03
Ano:  2014
Palavras-chave:  Sea level
Climate change
Land motion
Tide gauge
Resumo:  Tide gauge records are the primary source of sea level information over multidecadal to century timescales. A critical issue in using this type of data to determine global climate-related contributions to sea level change concerns the vertical motion of the land upon which the gauges are grounded. Here we use observations from the Global Positioning System for the correction of this vertical land motion. As a result, the spatial coherence in the rates of sea level change during the twentieth century is highlighted at the local and the regional scales, ultimately revealing a clearly distinct behavior between the Northern and the Southern Hemispheres with values of 2.0mm/yr and 1.1mm/yr, respectively. Our findings challenge the widely accepted value of global sea level rise for the twentieth century.
Tipo:  Text
Idioma:  Inglês

Editor:  Amer Geophysical Union
Formato:  application/pdf
Fonte:  Geophysical Research Letters (0094-8276) (Amer Geophysical Union), 2014-03 , Vol. 41 , N. 5 , P. 1639-1643
Direitos:  info:eu-repo/semantics/openAccess

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