[CIG-MC] CitcomS, generating grd input file
thorstinski at gmail.com
Thu Jun 19 00:48:05 PDT 2014
On Wed, Jun 18, 2014 at 11:55 PM, Hammond, Noah <noah_hammond at brown.edu>
> Thank you.
> Can the ASCII file have 4 columns, (lat, lon, radius, temperature)? I am
> also required to install HC, is that right?
> no, the grids need to be separated by layer depth, netcdf can only handle
x-y grids. yes, you need to install HC for the grd handling capabilities.
> On a related note, the manual states that Mike Gurnis added the capability
> for CitcomS to use geographically dependent surface temperature boundary
> conditions. Can you explain how these conditions are implemented using grd
these are two different ways of specifying thermal and mechanical BCs. Mike
uses nodal locations, where the BCs are read in similar to what the code
outputs, node-by-node. i implemented the grd input. the latter is less well
> Earlier you mentioned that geographically dependent basal heat flow
> boundary conditions are not possibly with this version of the code, but
> could a similar approach (using grd files) be used to implement a spatially
> dependent heat flux at the base?
> Yes, pretty easily. Either with grds or with nodal values.
> Thanks once more for your help!
> On Tue, Jun 17, 2014 at 3:52 PM, Hammond, Noah <noah_hammond at brown.edu>
>> In response to your reply:
>> Yes I can use GMT. Is the idea to use GMT to generate a grd file from an
>> ASCII file? What form should the ASCII file have? I am guessing it should
>> be a series of temperature values that correspond to each node, listed in
>> same order as the node ordering.
>> For a full sphere, would there be just one grd file, or one for each
>> spherical cap?
>> Thanks for the help!
>> -Noah Hammond
>> On Mon, Jun 16, 2014 at 3:24 PM, Hammond, Noah <noah_hammond at brown.edu>
>>> Can you direct me towards resources which describe how to generate grd
>>> I am using CitcomS 3.2.0 and would like to use tic_method=4, where the
>>> initial temperature is read from a grd file.
>>> Thank you for your time!!
>>> -Noah Hammond
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