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Is there a good dataset on global ocean sea surface height? I found this, http://climate.nasa.gov/interactives/sea_level_viewer, but there is no data I can download and it's hard to see the latitude and longitude coordinates.

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    $\begingroup$ Do you want data with a high temporal resolution, or are you more interested in long-term trends? These would tend to point to different answers. $\endgroup$ – Semidiurnal Simon Mar 23 '15 at 7:35
  • $\begingroup$ Long term trends would be more useful for me. Otherwise I could average the data with high temporal sampling. $\endgroup$ – user4624937 Mar 24 '15 at 5:38
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The easiest global sea surface height database is from Aviso: http://www.aviso.oceanobs.com/en/data/products/sea-surface-height-products/global.html Aviso has been distributing Topex/Poseidon and ERS altimetric data worldwide since 1992.

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  • $\begingroup$ Thanks! When people say "sea level" is that the same thing as sea surface height? These two are synonymous right? $\endgroup$ – user4624937 Mar 20 '15 at 1:22
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    $\begingroup$ Yes in some cases. Sea level can be considered as an average level for the surface, while SSH includes fluctuations. But in a lot of cases "sea level" is used as a synonym of SSH even though it is not "level". $\endgroup$ – arkaia Mar 20 '15 at 1:40
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For long-term sea level data, some of the PSMSL (Permenant Service for Mean Sea Level) datasets may be of use. These only cover discrete points, mostly tide gauges on coasts, but do so for the long term, giving monthly and annual means.

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