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Essential Climate Variables (ECVs)
The Second Adequacy Report established a list of Essential Climate Variables that are both currently feasible for global implementation, and have a high impact. As our knowledge and capabilities developed, new variables will be added to the ECVs.
ECVs
| Atmosphere surface: |
Air temperature |
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Precipitation |
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Air pressure, sea level pressure (SLP) |
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Surface radiation budget |
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Wind speed and direction |
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Water vapour |
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| Ocean surface: |
Sea surface temperature (SST) |
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Sea surface salinity (SSS) |
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Sea level |
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Sea state |
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Sea ice |
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Current |
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Ocean colour (for biological activity) |
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Carbon dioxide partial pressure (pCO2) |
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| Ocean subsurface: |
Temperature |
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Salinity |
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Current |
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Nutrients |
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Carbon |
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Ocean tracers |
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Phytoplankton |
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