Re: rmMonAnnCycLLLT

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Wed, 1 Mar 2006 16:16:38 -0700 (MST)

>For the functions rmMonAnnCycLLLT and rmAnnCycle1D, what method is used
>to remove the annual cycle from the data?
>A reference would be fine.

No reference ...

The climatology for (say) January is subtracted from from
each January value; this is done for all 12 months.

Actually, this is similar to:

The difference is that rmMonAnnCycLLLT calculates the climatology
over all the years. Hence, if you average all the (say) January
anomalies, they will add to zero.

calcMonAnomLLLT allows the user to input a climatology
which has been calculated using a subset of years.
eg: say u have data spanning 1870-2005. You could calculate
a traditional 30-year climatology which spans (say) 1971-2000.

Of course, if the climatology input to calcMonAnomLLLT was
calculated over all years, then the monthly deviations would
sum to 0.0




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Received on Wed Mar 01 2006 - 16:16:38 MST

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