| task | description |
|---|---|
| diffus | era40 diffusion fields |
The content version is an attribute in hdf files.
| content version | description |
|---|---|
| 10 | initial number (june 2003) |
| file | param | description | unit | levels | from | time res. (hr) | grib code | hor. comb. | vert. comb | Comments |
|---|---|---|---|---|---|---|---|---|---|---|
| k | K | diffusion | m2/s ? |
1:lm | gg | [21,03], .. | 130 | area average | bottom | |
| remark | description |
|---|---|
| 1 | unit is the same as in ECMWF grib file; I am not sure if this is m2/s |
Diffusion fields are valid for 6 hour intervals.
Computed from ECMWF fields valid for the mid of the interval. First computed on ECMWF's Gaussian Grid, then area average over cells.