t - Regional Climate Group
t - Regional Climate Group
t - Regional Climate Group
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Matching the scales:<br />
two common approaches<br />
(i) nesting <strong>Regional</strong> <strong>Climate</strong> Models (RCMs,<br />
horizontal resolution Δx < 10 km) into GCMs.<br />
Advantage: mathematical description of system is<br />
basically preserved!<br />
However: CPU ~ 1/(Δx) 2 or even 1/(Δx) 3<br />
⇒ Running a RCM at Δx ~ 1 km requires<br />
10 4 to 10 6 as much CPU as at Δx ~ 100 km!<br />
Göteborg University http://www.gvc2.gu.se/rcg <strong>Regional</strong> <strong>Climate</strong> <strong>Group</strong><br />
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