Skip to content

Commit

Permalink
Described new unleap filter; Renamed, removed, updated interpolation …
Browse files Browse the repository at this point in the history 
…filters.
  • Loading branch information
@yoselita
yoselita committed Oct 7, 2021
1 parent 50ec67d commit e6c49f8
Showing 1 changed file with 27 additions and 22 deletions.
49 changes: 27 additions & 22 deletions README_BCtable.md
View file
Original file line number Diff line number Diff line change
Expand Up @@ -22,30 +22,30 @@ institute IPSL
model IPSL-CM5A-MR
experiment rcp85
product output1
era_interim_path /oceano/gmeteo/DATA/ECMWF/INTERIM/Analysis
remove_leap false
interval 3hour
era_interim_path /oceano/gmeteo/DATA/ECMWF/INTERIM/Analysis
abbr grib ltype version ensemble freq realm table filter
------- ---- ----- --------- -------- ---- ------ ------- -----------------
sftlf 172 1 v20111119 r0i0p0 fx atmos fx only_ic|is_land_mask|percent2one|set_start_time|fixed_to_Nh|rename(sftlf)
orog 129 1 v20111119 r0i0p0 fx atmos fx only_ic|set_start_time|fixed_to_Nh|rename(orog)
sftlf 172 1 v20111119 r0i0p0 fx atmos fx only_ic|is_land_mask|percent2one|set_start_time|rename(sftlf)
orog 129 1 v20111119 r0i0p0 fx atmos fx only_ic|set_start_time|rename(orog)
ta 11 109 v20111119 r1i1p1 6hr atmos 6hrLev set_hybrid_levels
ua 33 109 v20111119 r1i1p1 6hr atmos 6hrLev set_hybrid_levels
va 34 109 v20111119 r1i1p1 6hr atmos 6hrLev set_hybrid_levels
hus 52 109 v20111119 r1i1p1 6hr atmos 6hrLev set_hybrid_levels
ps 1 1 v20111119 r1i1p1 6hr atmos 6hrLev
psl 2 1 v20111119 r1i1p1 6hr atmos 6hrPlev
sic 31 1 v20111119 r1i1p1 day seaIce day remapnn|sea_masked|day_to_Nh
tos 37 1 v20111119 r1i1p1 day ocean day remapnn|sea_masked|day_to_Nh
soil139 139 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil170 170 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil183 183 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil236 236 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil39 39 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil40 40 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil41 41 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
soil42 42 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed_to_Nh|set_extension(grb)|END
sic 31 1 v20111119 r1i1p1 day seaIce day remapnn|sea_masked|tinterp2interval
tos 37 1 v20111119 r1i1p1 day ocean day remapnn|sea_masked|tinterp2interval
soil139 139 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil170 170 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil183 183 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil236 236 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil39 39 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil40 40 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil41 41 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
soil42 42 112 v20120430 r1i1p1 mon land Lmon BEGIN|use_era_interim|maskregion|fixed2interval|set_extension(grb)|unleap|END
```
Lines can be commented out by using a `#` symbol.

Expand All @@ -57,7 +57,7 @@ GCM. It should point to the directory where the

*remove_leap* if "false" removing 29 Feb desired, and if "true" will be removed if exists.

*interval* refers to the frequency (=N) of the output files after performing temporal inteprolation (Mh_toNh, day_to_Nh, fixed_to_Nh).
*interval* refers to the frequency of the output files after performing temporal inteprolation (tinterp2interval, fixed2interval).

The `grib` and `ltype` columns in the variable section should match those in
the WRF Vtable used.
Expand Down Expand Up @@ -104,15 +104,14 @@ output stream to be used by the next filter. This is a list of available filters
**convert2grb**
: Converts the stream to GRIB format

**Mh_to_Nh**
: Interpolation in time from M-hourly frequency to N-hourly frequency (M > N).
**tinterp2interval**
: Interpolation in time to N-hourly frequency (daily files, or 6-hourly to 3-hourly frequency).
This filter is controld by "interval" given in the header

**day_to_Nh**
: Interpolation in time from daily to N-hourly frequency. Recommended
only for slow-varying fields (SST, sea ice, ...).

**fixed_to_Nh**
: Interpolation in time of fixed files to N-hourly frequency.
**fixed2interval**
: Interpolation in time of fixed/slow-varing variabels to N-hourly frequency. Recommended
only for slow-varying fields (SST, sea ice, soil moisture...).
This filter is controld by "interval" given in the header.

**is_land_mask**
: This filter flags the current variable as the land mask. This sets this
Expand Down Expand Up @@ -179,6 +178,12 @@ output stream to be used by the next filter. This is a list of available filters
solution since averaged variables should NOT be used as input for an RCM, which
expects instantaneous fields.

**unleap**
: Removes 29 February from the data if "noleap" in the header is set to "true",
and if the date in the processed file exists. The filter does not touch anything
if the calendar in the files is "360_day" (i.e. each month has 30 days, which
is typically set in the GCMs from the Hadley center - HadGEM* GCM model names).

**split_soil_mois_grb**
: This is ad-hoc filter to split the soil moisture information into a single
file for each level. Grib output is assumed.
Expand Down

0 comments on commit e6c49f8

Please sign in to comment.