[R-sig-Geo] Automate the extraction of climate variable at different time depths from netcdf in r

[Pascal Oettli]

Hi Kristin,

Please start a new thread for your own question, thank you.

Regards,
Pascal

On Mon, Sep 8, 2014 at 1:57 AM, Kristin <nessnjor at gmail.com> wrote:
> Hello
> I´m having similar problem, do not seem to find obvious solution on the net.
>
> I have a raster brick of 464 layers, each layer representing time defined as
> number from 1 to 464.
> The number is stored here:
> rasterbrick at z$days
>
> and has values from 1 to 464
>
> Then I have 2800 space time locations of field data sampling. These are both
> irregular sampling locations and some irregular sampling dates at same
> sampling locations. Dates are also defined as numbers from 1 to 464. Each
> individual point is then identified by lat and lon at different times.
> This is what my dataframe looks like:
>
> Lat, Lon, days
> 64   -21    23
> 63   -19    52
> 63   -19    53
> 66   -25    23
> ....
>
> So what I want to do is to extract values from the raster brick at a certain
> location, but only where the date numbers from both the raster brick and the
> locations match, but not for all times for all locations as the extract from
> raster brick does.
>
> atb,
> Kristin
>
>
>
>
> --
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>
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-- 
Pascal Oettli
Project Scientist
JAMSTEC
Yokohama, Japan