Organic matter in sediments of Antarctic continental shelves under the influence of climate change

Memoria de tesis doctoral presentada por Elisabet Sañé Schepisi para optar al grado de Doctora en Ciencias del Mar por la Universitat Politècnica de Catalunya (UPC), realizada bajo la dirección del Dr. José Enrique Isla Saavedra del Institut de Ciències del Mar (ICM-CSIC) [EN] In the last 60 years a...

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Main Author: Sañé, Elisabet
Other Authors: Isla, Enrique
Format: Doctoral or Postdoctoral Thesis
Language:unknown
Published: Universidad Politécnica de Cataluña 2010
Subjects:
Online Access:http://hdl.handle.net/10261/101773
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record_format openpolar
spelling ftcsic:oai:digital.csic.es:10261/101773 2024-02-11T09:58:25+01:00 Organic matter in sediments of Antarctic continental shelves under the influence of climate change Sañé, Elisabet Isla, Enrique 2010-05-28 http://hdl.handle.net/10261/101773 unknown Universidad Politécnica de Cataluña http://hdl.handle.net/10261/101773 open tesis doctoral http://purl.org/coar/resource_type/c_db06 2010 ftcsic 2024-01-16T10:01:02Z Memoria de tesis doctoral presentada por Elisabet Sañé Schepisi para optar al grado de Doctora en Ciencias del Mar por la Universitat Politècnica de Catalunya (UPC), realizada bajo la dirección del Dr. José Enrique Isla Saavedra del Institut de Ciències del Mar (ICM-CSIC) [EN] In the last 60 years air and oceanic temperatures increased in Antarctica above global average (Vaughan et al., 2001; Gille, 2002). As a consequence, the increase of glaciers retreat (Cook et al., 2005) and the thinning of ice shelves (Shepherd et al., 2003; Whingham et al., 2009) have been observed. Furthermore, ice shelf collapses became more frequent in Antarctica, as exemplified by the collapse in 2008 of Wilkins ice shelf and in 2010 of Mertz glacier. In 1995 and 2002, 4200 km2 and 3200 km2 of the sections A and B of the Larsen Ice shelf disintegrated, respectively (Rack and Rott, 2004). [.] [ES] En los últimos 60 años las temperaturas del océano y del aire en la Antártida aumentaron por encima del promedio global (Vaughan et al., 2001; Gille, 2002). Como consecuencia, se ha observado un incremento en el retroceso de los glaciares (Cook et al., 2005) y la reducción del espesor de las plataformas de hielo (Shepherd et al., 2003; Whingham et al., 2009). Con ello, la desintegración de plataformas de hielo en la Antártida se ha hecho más frecuente, como demostraron el colapso en 2008 de la plataforma de hielo Wilkins y el colapso en 2010 del glaciar Mertz. En 1995 se desintegraron 4200 km2 de la plataforma de hielo Larsen A y en 2002, 3200 km2 de la plataforma de hielo Larsen B (Rack and Rott, 2004). [.] Peer Reviewed Doctoral or Postdoctoral Thesis Antarc* Antarctic Antarctica Antártida Ice Shelf Ice Shelves Larsen Ice Shelf Mertz Glacier Wilkins Ice Shelf Digital.CSIC (Spanish National Research Council) Antarctic Consecuencia ENVELOPE(-60.783,-60.783,-63.717,-63.717) Enrique isla ENVELOPE(-61.999,-61.999,-64.122,-64.122) Hielo ENVELOPE(-58.133,-58.133,-62.083,-62.083) Larsen Ice Shelf ENVELOPE(-62.500,-62.500,-67.500,-67.500) Mertz Glacier ENVELOPE(144.500,144.500,-67.667,-67.667) Plataforma de Hielo Larsen ENVELOPE(110.528,110.528,-66.265,-66.265) Saavedra ENVELOPE(-57.931,-57.931,-63.317,-63.317) Wilkins ENVELOPE(59.326,59.326,-67.248,-67.248) Wilkins Ice Shelf ENVELOPE(-72.500,-72.500,-70.416,-70.416)
institution Open Polar
collection Digital.CSIC (Spanish National Research Council)
op_collection_id ftcsic
language unknown
description Memoria de tesis doctoral presentada por Elisabet Sañé Schepisi para optar al grado de Doctora en Ciencias del Mar por la Universitat Politècnica de Catalunya (UPC), realizada bajo la dirección del Dr. José Enrique Isla Saavedra del Institut de Ciències del Mar (ICM-CSIC) [EN] In the last 60 years air and oceanic temperatures increased in Antarctica above global average (Vaughan et al., 2001; Gille, 2002). As a consequence, the increase of glaciers retreat (Cook et al., 2005) and the thinning of ice shelves (Shepherd et al., 2003; Whingham et al., 2009) have been observed. Furthermore, ice shelf collapses became more frequent in Antarctica, as exemplified by the collapse in 2008 of Wilkins ice shelf and in 2010 of Mertz glacier. In 1995 and 2002, 4200 km2 and 3200 km2 of the sections A and B of the Larsen Ice shelf disintegrated, respectively (Rack and Rott, 2004). [.] [ES] En los últimos 60 años las temperaturas del océano y del aire en la Antártida aumentaron por encima del promedio global (Vaughan et al., 2001; Gille, 2002). Como consecuencia, se ha observado un incremento en el retroceso de los glaciares (Cook et al., 2005) y la reducción del espesor de las plataformas de hielo (Shepherd et al., 2003; Whingham et al., 2009). Con ello, la desintegración de plataformas de hielo en la Antártida se ha hecho más frecuente, como demostraron el colapso en 2008 de la plataforma de hielo Wilkins y el colapso en 2010 del glaciar Mertz. En 1995 se desintegraron 4200 km2 de la plataforma de hielo Larsen A y en 2002, 3200 km2 de la plataforma de hielo Larsen B (Rack and Rott, 2004). [.] Peer Reviewed
author2 Isla, Enrique
format Doctoral or Postdoctoral Thesis
author Sañé, Elisabet
spellingShingle Sañé, Elisabet
Organic matter in sediments of Antarctic continental shelves under the influence of climate change
author_facet Sañé, Elisabet
author_sort Sañé, Elisabet
title Organic matter in sediments of Antarctic continental shelves under the influence of climate change
title_short Organic matter in sediments of Antarctic continental shelves under the influence of climate change
title_full Organic matter in sediments of Antarctic continental shelves under the influence of climate change
title_fullStr Organic matter in sediments of Antarctic continental shelves under the influence of climate change
title_full_unstemmed Organic matter in sediments of Antarctic continental shelves under the influence of climate change
title_sort organic matter in sediments of antarctic continental shelves under the influence of climate change
publisher Universidad Politécnica de Cataluña
publishDate 2010
url http://hdl.handle.net/10261/101773
long_lat ENVELOPE(-60.783,-60.783,-63.717,-63.717)
ENVELOPE(-61.999,-61.999,-64.122,-64.122)
ENVELOPE(-58.133,-58.133,-62.083,-62.083)
ENVELOPE(-62.500,-62.500,-67.500,-67.500)
ENVELOPE(144.500,144.500,-67.667,-67.667)
ENVELOPE(110.528,110.528,-66.265,-66.265)
ENVELOPE(-57.931,-57.931,-63.317,-63.317)
ENVELOPE(59.326,59.326,-67.248,-67.248)
ENVELOPE(-72.500,-72.500,-70.416,-70.416)
geographic Antarctic
Consecuencia
Enrique isla
Hielo
Larsen Ice Shelf
Mertz Glacier
Plataforma de Hielo Larsen
Saavedra
Wilkins
Wilkins Ice Shelf
geographic_facet Antarctic
Consecuencia
Enrique isla
Hielo
Larsen Ice Shelf
Mertz Glacier
Plataforma de Hielo Larsen
Saavedra
Wilkins
Wilkins Ice Shelf
genre Antarc*
Antarctic
Antarctica
Antártida
Ice Shelf
Ice Shelves
Larsen Ice Shelf
Mertz Glacier
Wilkins Ice Shelf
genre_facet Antarc*
Antarctic
Antarctica
Antártida
Ice Shelf
Ice Shelves
Larsen Ice Shelf
Mertz Glacier
Wilkins Ice Shelf
op_relation http://hdl.handle.net/10261/101773
op_rights open
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