Re: Seadas T2022.2 modis_atteph and getanc issues
Posted: Tue Apr 26, 2022 2:14 pm America/New_York
if you look at the SST file you will notice that there is an ice variable in it, so it has the ice fraction data. For example:
don
Code: Select all
dshea@gs616-skeletonema ~ % ncdump -h /Users/dshea/ocssw/var/anc/2018/023/N2018023_SST_OIV2AV_24h.nc
netcdf N2018023_SST_OIV2AV_24h {
dimensions:
time = UNLIMITED ; // (1 currently)
zlev = 1 ;
lat = 720 ;
lon = 1440 ;
variables:
float time(time) ;
time:long_name = "Center time of the day" ;
time:units = "days since 1978-01-01 00:00:00" ;
float zlev(zlev) ;
zlev:long_name = "Sea surface height" ;
zlev:units = "meters" ;
zlev:positive = "down" ;
zlev:actual_range = "0, 0" ;
float lat(lat) ;
lat:long_name = "Latitude" ;
lat:units = "degrees_north" ;
lat:grids = "Uniform grid from -89.875 to 89.875 by 0.25" ;
float lon(lon) ;
lon:long_name = "Longitude" ;
lon:units = "degrees_east" ;
lon:grids = "Uniform grid from 0.125 to 359.875 by 0.25" ;
short sst(time, zlev, lat, lon) ;
sst:long_name = "Daily sea surface temperature" ;
sst:units = "Celsius" ;
sst:_FillValue = -999s ;
sst:add_offset = 0.f ;
sst:scale_factor = 0.01f ;
sst:valid_min = -300s ;
sst:valid_max = 4500s ;
short anom(time, zlev, lat, lon) ;
anom:long_name = "Daily sea surface temperature anomalies" ;
anom:units = "Celsius" ;
anom:_FillValue = -999s ;
anom:add_offset = 0.f ;
anom:scale_factor = 0.01f ;
anom:valid_min = -1200s ;
anom:valid_max = 1200s ;
short err(time, zlev, lat, lon) ;
err:long_name = "Estimated error standard deviation of analysed_sst" ;
err:units = "Celsius" ;
err:_FillValue = -999s ;
err:add_offset = 0.f ;
err:scale_factor = 0.01f ;
err:valid_min = 0s ;
err:valid_max = 1000s ;
short ice(time, zlev, lat, lon) ;
ice:long_name = "Sea ice concentration" ;
ice:units = "%" ;
ice:_FillValue = -999s ;
ice:add_offset = 0.f ;
ice:scale_factor = 0.01f ;
ice:valid_min = 0s ;
ice:valid_max = 100s ;
// global attributes:
:Conventions = "CF-1.6" ;
:title = "NCEI Daily-OISST-V2 based mainly on AVHRR, Final" ;
:history = "Version 2.0" ;
:creation_date = "2018-02-07 11:16" ;
:source_data = "NCEP GTS,AVHRR19,MetOpA,NCEP ICE" ;
:source = "NOAA/National Centers for Environmental Information" ;
:contact = "oisst-help, email: oisst-help@noaa.gov" ;
}