Rivers/Sinks

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donguiyo
Posts: 29
Joined: Thu Mar 11, 2004 5:17 pm
Location: BOEM

Rivers/Sinks

#1 Unread post by donguiyo »

when defining UV_Psource, what parameter defines if it's a source or a sink? the sign of the vertically mass transport? positive for rivers, negative for sinks?

thx a lot. :)

Guillermo.

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kate
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Joined: Wed Jul 02, 2003 5:29 pm
Location: CFOS/UAF, USA

Re: Rivers/Sinks

#2 Unread post by kate »

My recollection is that positive means flow in the positive i-direction or the positive j-direction. So a positive flow in the i-direction is a source if it's on the "western" wall, a sink if it's on an "eastern" wall.

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donguiyo
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Location: BOEM

Re: Rivers/Sinks

#3 Unread post by donguiyo »

Thank you Kate,

I haven't read anywhere that the source/sink needs to be against the wall/coastline. I need to place a source/sink in the open i.e., with neighboring grid cells being all wet ones. thx once more.

Guillermo

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kate
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Re: Rivers/Sinks

#4 Unread post by kate »

Did you want a one grid-box mask with outflow on all four sides? That's what the UV_PSOURCE can do for you. Alternately, there's a QSOURCE but I've never tried it.

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