| Data assimilation |
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| • | Combination of a forecast (background) Tb
with |
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| observations
To to give a “best” estimate of the true |
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| state
of the atmosphere (analysis) Ta. |
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| • | We
need information about the errors: |
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| We
can now use the analysis as initial conditions for the |
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| next
forecast, get new a new observation, and repeat, |
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| this is called
the “analysis cycle”. |
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