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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Universidad Politécnica de Cataluña
2010
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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 |
_version_ |
1790594049914175488 |