[ecco-support] Problems with tile orientation in UVELMASS/VVELMASS v4/r2 interpolated

[gael forget]

Hi Julius,
somehow I could not find UVELMASS / VVELMASS in the quoted directory but maybe NVELMASS / EVELMASS would be useful (attached plot).
Cheers,
Gael



> On Feb 8, 2018, at 8:55 PM, Julius Busecke <jbusecke at princeton.edu> wrote:
> 
> Hi, 
> I was looking at the velocity output in the interpolated files for ECCO version4 release2 (ftp://mit.ecco-group.org/ecco_for_las/version_4/release2/interp_monthly/ <ftp://mit.ecco-group.org/ecco_for_las/version_4/release2/interp_monthly/>), and I noticed the output looks quite weird, 
> and unphysical.
> 
> I have attached two pictures that show UVELMASS and VVELMASS averaged over time at a depth of ~25m ( I also checked depth averages and the same thing shows up).
> 
> It almost seems like the tiles of zonal and meridional velocities were mixed up or at least the direction changes abruptly (eg around i4 ~ 275 and ~650).
> Is this a know issue? Or is there a suggested workaround? 
> 
> I am in particular looking for a time and depth averaged horizontal velocity field from ECCO.
> 
> Thanks a lot. 
> 
> <download-6.png><download-7.png>
> 
> 
> Julius Busecke, PhD
> ——————————
> Postdoctoral Research Associate
> Princeton University
> Guyot Hall 408A, Princeton, 08544 NJ
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