source: trunk/adm/guides/generate_tropflux.rst @ 38

Last change on this file since 38 was 28, checked in by pinsard, 13 years ago

start to work on correction tools
File size: 3.6 KB

Generate Tropflux, 4 steps

Gather data

OAFLUX data

for sea land mask

tools:

ERA-I data
(wind components at 10m, air temperature at 2m, dewpoint temperature at 2m, net SW, net LW)

tools:

ISCCP shortwave

Now: we get them directly on the OAFLUX grid from (server is down, could not get the address)

Eventually: we should retrieve them from ISCCP page (ftp://isccp.giss.nasa.gov/pub/data/FC/ ) and interpolate them we need FD${YYYY}${MM}__${SS}${FF}SFC.EQ files where:
YYYY and MM are year and month SS is LW (longwave) and SW (shortwave)

FF: I don't know which one we need to pick. I'll have to inquire about that

OLR

get NOAA interpolated and uninterpolated OLR data

tools:

Interpolate datasets onto the OAFLUX grid

tools :

There's also one additional step to convert ERA-I dewpoint T into specific humidity.

The OLR interpolation also involves combining the delayed time and realtime OLR datasets, which is not done extremely cleanly now.

Result after that, 7 netcdf files for: NOAA OLR, ERA-I Ta , ERA-I qa , ERA-I wind speed, ERA-I SST, ISCCP net SW, ERA-I net LW.

Apply corrections which have been previously estimated from mooring data (see :ref:`generate_statistics`)

?
tools :

There are two steps for the wind correction: the statistical correction from observations, and the gustiness correction.

Result after that, 7 netcdf files for: NOAA OLR, ERA-I Ta , ERA-I qa , ERA-I wind speed, ERA-I SST, ISCCP net SW, ERA-I net LW.

Apply the COARE v3 algorithm to compute turbulent fluxes

After that step, there are 5 files: Tropflux Ta , qa , SST, wind, and one file with the 4 components of the net flux (sensible, latent, SWR, LWR)

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