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| Titel |
Regional sea level variability in the Caribbean and South China Sea over 60 years from 1950-2009 |
| VerfasserIn |
H. Palanisamy, B. Meyssignac, D. Peng, A. Cazenave, M. Becker |
| Konferenz |
EGU General Assembly 2012
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 14 (2012) |
| Datensatznummer |
250058382
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| Zusammenfassung |
| By making use of tide gauge records, reconstructed sea level data set since 1950
based on statistical analysis of tide gauge records and gridded sea level data from
ocean circulation models and observed satellite altimetry, we study the interannual,
decadal and multi-decadal sea level signals in the Caribbean and the South China
Sea for the past 60 years. We find that the intensity of the interannual signal has
increased during the last two decades when compared to the previous decades.
We compare the interannual variability in sea level with climate indices known to
have impacts on each of the studied regions. Secondly, at several locations in the
studied areas, from the reconstructed and available tide gauges, we estimate the
climate-related sea level changes (i.e. uniform global mean sea level rise plus regional
variability) which is one of the constituents of the total sea level rate (the other being
vertical crustal motions). We find that in the Caribbean, the climate-related sea level
change is very similar to the uniform global mean rise (-1.8mm/yr) whereas it is
slightly higher in the South China Sea. We compare these results for the Caribbean
and South China Sea region with previous results obtained in the tropical Pacific
by Becker et al., 2012. Preliminary results for the Indian Ocean are also shown. |
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