Confusion about one parameter when making grid

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baipeng_up
Posts: 19
Joined: Mon Jul 22, 2013 4:54 am
Location: Ocean University of China

Confusion about one parameter when making grid

#1 Unread post by baipeng_up »

Hi all

I believe many of us have used the ROMS_tools package for MATLAB(http://www.brest.ird.fr/Roms_tools/) to generate a grid. When we use this package, we should set the parameters and the paths in the " romstools_param.m " first. Although there are comments around the parameters, I am still confused about one of the parameters and it is:
% Maximum depth at the shore [m] (to prevent the generation
% of too big walls along the coast)
%
hmax_coast = 100;


I set "hmax_coast" to different values and try to find out the difference of the results,when the value becomes bigger,some lines appears along the coast, but I still don't konw how to set this parameter. So what's the basis when we set this parameter ? How this parameter impact on our grid ? What's the recommended value of this parameter?

I appreciate it very much for your help. :D

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