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Models are getting more detailed, and therefore bigger.
Models are getting more detailed, and therefore bigger.
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Message boards : Number crunching : Models are getting more detailed, and therefore bigger.

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Les Bayliss
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Message 53062 - Posted: 9 Dec 2015, 5:49:30 UTC

Trying to collect a few things in one place. This may require a few edits as other things happen.

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The newer models are/will be, using the newest version of the MOSES land scheme (which is version II), and also TRIFFID.
These are more detailed then the earlier versions that we've been using.

Because of this increase in detail, more time is need for the extra calculations, more memory to do the calcs, and more storage in the BOINC data area on peoples computers. They also produce lots more data to return to the projects that use them.

MOSES and TRIFFID are land use schemes, and details can be found by a web search. They are also used for one of the "Linux only" models. (See the Server Status page.)

And then there's this at the end of the MaRIUS project page:

This will in particular involve the inclusion of an improved land-surface scheme into both the global and regional model, and a higher-resolution regional model at 25km.

And higher resolution ALSO means more time and data.

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So, time for faster computers, more memory, larger areas reserved on the HD for cpdn, and more patience waiting for one to complete.

Message boards : Number crunching : Models are getting more detailed, and therefore bigger.


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