• Regional redistribution of GMSL
• Relative sea-level change from land movement • Changes in the temporal variability of sea level Influences on sea level Source: Milne et al. (2009) Global changes—geological past Changes in sea-level due to changes in ice sheet volume Rate of sea-level rise decreased over past 10,000 years Source:...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.617.6289 2023-05-15T16:40:39+02:00 • Regional redistribution of GMSL Raymond Najjar The Pennsylvania State University CiteSeerX Archives 2009 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.617.6289 http://coastalmanagement.noaa.gov/news/archivedmtgdocs/2009neregmtg/najjar.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.617.6289 http://coastalmanagement.noaa.gov/news/archivedmtgdocs/2009neregmtg/najjar.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://coastalmanagement.noaa.gov/news/archivedmtgdocs/2009neregmtg/najjar.pdf AR4 text 2009 ftciteseerx 2016-01-08T14:49:07Z • Relative sea-level change from land movement • Changes in the temporal variability of sea level Influences on sea level Source: Milne et al. (2009) Global changes—geological past Changes in sea-level due to changes in ice sheet volume Rate of sea-level rise decreased over past 10,000 years Source: Church et al. (2008) ~10 mm yr-1 ~1 mm yr-1 Global changes—last millenium The rate of sea-level rise abruptly increased about a century ago Source: Church et al. (2008) ~0 mm yr-1 ~2 mm yr-1 Global changes—last century The rate of global mean sea level (GMSL) rise is variable, but overall has increased over the past 140 years. Most recent 20-year trends are ~3 mm yr-1. Closing the sea-level budget is an active area of research. Source: Church et al. (2008) ~3 mm yr-1 Global changes—future • Global Climate Models, in principle, can be used to project changes in global-mean sea level for a given greenhouse gas emissions scenario. • Using GCMs, the Intergovernmental Panel on Climate Change (IPCC) Third and Fourth Assessment Reports (TAR and AR4) projected global sea-level increases of 9-88 and 18-79 cm, respectively, over the 21st century (Church et al. 2001, Meehl et al. 2007). • But representation of ice sheets is poor in GCMs. • Specifically, there is concern that ice sheet stability has been overestimated in the IPCC AR4. Semi-empirical approaches, tuned to historical observations, give much higher projections, 50-140 cm (Rahmstorf 2007). Text Ice Sheet Unknown |
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• Relative sea-level change from land movement • Changes in the temporal variability of sea level Influences on sea level Source: Milne et al. (2009) Global changes—geological past Changes in sea-level due to changes in ice sheet volume Rate of sea-level rise decreased over past 10,000 years Source: Church et al. (2008) ~10 mm yr-1 ~1 mm yr-1 Global changes—last millenium The rate of sea-level rise abruptly increased about a century ago Source: Church et al. (2008) ~0 mm yr-1 ~2 mm yr-1 Global changes—last century The rate of global mean sea level (GMSL) rise is variable, but overall has increased over the past 140 years. Most recent 20-year trends are ~3 mm yr-1. Closing the sea-level budget is an active area of research. Source: Church et al. (2008) ~3 mm yr-1 Global changes—future • Global Climate Models, in principle, can be used to project changes in global-mean sea level for a given greenhouse gas emissions scenario. • Using GCMs, the Intergovernmental Panel on Climate Change (IPCC) Third and Fourth Assessment Reports (TAR and AR4) projected global sea-level increases of 9-88 and 18-79 cm, respectively, over the 21st century (Church et al. 2001, Meehl et al. 2007). • But representation of ice sheets is poor in GCMs. • Specifically, there is concern that ice sheet stability has been overestimated in the IPCC AR4. Semi-empirical approaches, tuned to historical observations, give much higher projections, 50-140 cm (Rahmstorf 2007). |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Raymond Najjar |
author_facet |
Raymond Najjar |
author_sort |
Raymond Najjar |
title |
• Regional redistribution of GMSL |
title_short |
• Regional redistribution of GMSL |
title_full |
• Regional redistribution of GMSL |
title_fullStr |
• Regional redistribution of GMSL |
title_full_unstemmed |
• Regional redistribution of GMSL |
title_sort |
• regional redistribution of gmsl |
publishDate |
2009 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.617.6289 http://coastalmanagement.noaa.gov/news/archivedmtgdocs/2009neregmtg/najjar.pdf |
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Ice Sheet |
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Ice Sheet |
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http://coastalmanagement.noaa.gov/news/archivedmtgdocs/2009neregmtg/najjar.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.617.6289 http://coastalmanagement.noaa.gov/news/archivedmtgdocs/2009neregmtg/najjar.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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