[ecco-support] Freshwater runoff data

HONG ZHANG hong.zhang at ucla.edu
Tue Oct 2 15:56:16 EDT 2018


On 9/25/18 10:01 AM, Feras Habbal wrote:
> Hello ECCO-support,
>
> I was interested in looking at the original runoff data that is used to construct the file:
> runofffile = 'runoff-2d-Fekete-1deg-mon-V4-SMOOTH.bin’
>
> Specifically, I would like to use the data as an input field for models using different grid resolutions.
> I have looked at some references in papers that point to this data, but I have not been able to find a “live” link to the original data.
>
> Thank you for your assistance with this request.
Hi Feras,
I guess Gael made this runoff from original Fekete et al(2000) @lat/long 
grid.
Actually I think this is better, so we can go to any llcXX from llc90 by 
beforehand interpolation.
If the original Fekete climatology is exactly along the coastline, then 
one will have trouble
by directly feeding model with the lat/long grid as other atmos states.
Anyway, here are two other runoff products that you may have interest:
1) a very old 1-degree runoff but used for many years
(link below:
https://www.dropbox.com/s/bj51t2l87tdfzlu/runoff-360x180x12.bin?dl=0
and its related "data.exf" description:
>
>  &EXF_NML_02
>  runofffile        = 'runoff-360x180x12.bin',
>  runoffperiod      = -12,
>
>  &EXF_NML_03
> # convert m/yr to m/s
>  exf_inscal_runoff = 3.1710e-08,
>
>  &EXF_NML_04
>  runoff_lon0       = 0.50D0,
>  runoff_lon_inc    = 1.0D0,
>  runoff_lat0       = -89.5D0,
>  runoff_lat_inc    = 179*1.,
>  runoff_nlon       = 360,
>  runoff_nlat       = 180,
2) a modern one, ie, JRA55do for next OMIP
It's 1/4-degree, daily mean from 1958 to present:
https://aims3.llnl.gov/thredds/catalog/esgcet/191/input4MIPs.CMIP6.OMIP.MRI.MRI-JRA55-do-1-3.ocean.day.friver.gn.v20180412.html#input4MIPs.CMIP6.OMIP.MRI.MRI-JRA55-do-1-3.ocean.day.friver.gn.v20180412 


cheers
Hong
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