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Re: [ferret_users] global subset mean

Hi Juliette,

If you had a variable, say sst from the coads_climatology dataset - you could calculate the mean over a specific area, and plot the result (you can try this example):

use coads_climatology
let mean_indian_sst = sst[x=20:100@ave,y=-35:0@ave]
plot mean_indian_sst  									! Plot  SST vs Time

If you want to map data only over a certain region use: set region

set region/x=20:120/y=-35:30/l=12
shade sst                                                    ! Plot Decemeber SST over Indian Ocean


Neil Swart

Climate Modelling Group
School of Earth and Ocean Sciences
University of Victoria
Victoria, BC


On Feb 7, 2011, at 5:46 AM, Juliette Harrington wrote:

> Hi all,
> How would you find the mean for a specific subset of global data, i.e. the Indian Ocean, via Statistics? Is there a way to indicate between which latitude and longitude you want the mean, etc., to be calculated?
> And does a similar method apply to graphing a subset of the data, such as just the Indian Ocean from a global dataset?
> Thanks in advance,
> Juliette Harrington

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