[MITgcm-support] definition of UVEL

[Martin Losch]

Zhaomin,

positive UVEL means flow in the direction of increasing i-index (similar for VVEL/j-index). Depending on your grid this may or may not be the zonal direction (e.g. for the cubed sphere grid it depends very much on where you are on the grid). For simple lon/lat-grid, UVEL should be most positive in the ACC.

I just hope that this also is clear from the documentation.

Martin

On Apr 1, 2011, at 6:31 PM, Wang, Zhaomin wrote:

> Can somebody let me know if UVEL is defined as total zonal velocity or something else? We found that UVEL is too small or even negative in the ACC regions in our output. If UVEL is total zonal velocity, we need to check if we made a mistake in our run.
> 
> Zhaomin
> 
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