netcdf b30.030b.ES01.csim.h.1870-ann {
dimensions:
nlon = 320 ;
nlat = 384 ;
time = UNLIMITED ; // (1 currently)
d2 = 2 ;
variables:
float time(time) ;
time:long_name = "model time" ;
time:units = "days since 0001-01-01 00:00:00" ;
time:calendar = "noleap" ;
time:bounds = "time_bounds" ;
float time_bounds(time, d2) ;
time_bounds:long_name = "boundaries for time-averaging interval" ;
time_bounds:units = "days since 0001-01-01 00:00:00" ;
float TLON(nlat, nlon) ;
TLON:long_name = "T grid center longitude" ;
TLON:units = "degrees_east" ;
float TLAT(nlat, nlon) ;
TLAT:long_name = "T grid center latitude" ;
TLAT:units = "degrees_north" ;
float ULON(nlat, nlon) ;
ULON:long_name = "U grid center longitude" ;
ULON:units = "degrees_east" ;
float ULAT(nlat, nlon) ;
ULAT:long_name = "U grid center latitude" ;
ULAT:units = "degrees_north" ;
ULAT:comment = "Latitude of NE corner of T grid cell" ;
float tmask(nlat, nlon) ;
tmask:long_name = "ocean grid mask" ;
tmask:coordinates = "TLON TLAT" ;
tmask:comment = "0 = land, 1 = ocean" ;
float tarea(nlat, nlon) ;
tarea:long_name = "area of T grid cells" ;
tarea:units = "m^2" ;
tarea:coordinates = "TLON TLAT" ;
float uarea(nlat, nlon) ;
uarea:long_name = "area of U grid cells" ;
uarea:units = "m^2" ;
uarea:coordinates = "ULON ULAT" ;
float dxt(nlat, nlon) ;
dxt:long_name = "T cell width through middle" ;
dxt:units = "m" ;
dxt:coordinates = "TLON TLAT" ;
float dyt(nlat, nlon) ;
dyt:long_name = "T cell height through middle" ;
dyt:units = "m" ;
dyt:coordinates = "TLON TLAT" ;
float dxu(nlat, nlon) ;
dxu:long_name = "U cell width through middle" ;
dxu:units = "m" ;
dxu:coordinates = "ULON ULAT" ;
float dyu(nlat, nlon) ;
dyu:long_name = "U cell height through middle" ;
dyu:units = "m" ;
dyu:coordinates = "ULON ULAT" ;
float HTN(nlat, nlon) ;
HTN:long_name = "T cell width on North side" ;
HTN:units = "m" ;
HTN:coordinates = "TLON TLAT" ;
float HTE(nlat, nlon) ;
HTE:long_name = "T cell width on East side" ;
HTE:units = "m" ;
HTE:coordinates = "TLON TLAT" ;
float ANGLET(nlat, nlon) ;
ANGLET:long_name = "angle grid makes with latitude line on T grid" ;
ANGLET:units = "radians" ;
ANGLET:coordinates = "TLON TLAT" ;
float ANGLE(nlat, nlon) ;
ANGLE:long_name = "angle grid makes with latitude line on U grid" ;
ANGLE:units = "radians" ;
ANGLE:coordinates = "ULON ULAT" ;
float ice_present(time, nlat, nlon) ;
ice_present:units = "1" ;
ice_present:long_name = "fraction of time-averaging interval that any ice is present" ;
ice_present:coordinates = "TLON TLAT time" ;
float hi(time, nlat, nlon) ;
hi:units = "m" ;
hi:long_name = "grid box mean ice thickness" ;
hi:coordinates = "TLON TLAT time" ;
hi:missing_value = 1.e+30f ;
hi:_FillValue = 1.e+30f ;
hi:comment = "Ice volume distributed evenly over grid cell" ;
hi:cell_methods = "time:mean" ;
float hs(time, nlat, nlon) ;
hs:units = "m" ;
hs:long_name = "grid box mean snow thickness" ;
hs:coordinates = "TLON TLAT time" ;
hs:missing_value = 1.e+30f ;
hs:_FillValue = 1.e+30f ;
hs:comment = "Snow volume distributed evenly over grid cell" ;
hs:cell_methods = "time:mean" ;
float Tsfc(time, nlat, nlon) ;
Tsfc:units = "C" ;
Tsfc:long_name = "snow/ice surface temperature" ;
Tsfc:coordinates = "TLON TLAT time" ;
Tsfc:missing_value = 1.e+30f ;
Tsfc:_FillValue = 1.e+30f ;
Tsfc:comment = "Tf is averaged in if no ice is present" ;
Tsfc:cell_methods = "time:mean" ;
float aice(time, nlat, nlon) ;
aice:units = "%" ;
aice:long_name = "ice area (aggregate)" ;
aice:coordinates = "TLON TLAT time" ;
aice:missing_value = 1.e+30f ;
aice:_FillValue = 1.e+30f ;
aice:cell_methods = "time:mean" ;
float u(time, nlat, nlon) ;
u:units = "cm/s" ;
u:long_name = "ice velocity (x)" ;
u:coordinates = "ULON ULAT time" ;
u:missing_value = 1.e+30f ;
u:_FillValue = 1.e+30f ;
u:comment = "positive is x direction on U grid" ;
u:cell_methods = "time:mean" ;
float v(time, nlat, nlon) ;
v:units = "cm/s" ;
v:long_name = "ice velocity (y)" ;
v:coordinates = "ULON ULAT time" ;
v:missing_value = 1.e+30f ;
v:_FillValue = 1.e+30f ;
v:comment = "positive is y direction on U grid" ;
v:cell_methods = "time:mean" ;
float Fswdn(time, nlat, nlon) ;
Fswdn:units = "W/m^2" ;
Fswdn:long_name = "down solar flux" ;
Fswdn:coordinates = "TLON TLAT time" ;
Fswdn:missing_value = 1.e+30f ;
Fswdn:_FillValue = 1.e+30f ;
Fswdn:comment = "positive downward" ;
Fswdn:cell_methods = "time:mean" ;
float Flwdn(time, nlat, nlon) ;
Flwdn:units = "W/m^2" ;
Flwdn:long_name = "down longwave flux" ;
Flwdn:coordinates = "TLON TLAT time" ;
Flwdn:missing_value = 1.e+30f ;
Flwdn:_FillValue = 1.e+30f ;
Flwdn:comment = "positive downward" ;
Flwdn:cell_methods = "time:mean" ;
float snow(time, nlat, nlon) ;
snow:units = "cm/day" ;
snow:long_name = "snowfall rate (cpl)" ;
snow:coordinates = "TLON TLAT time" ;
snow:missing_value = 1.e+30f ;
snow:_FillValue = 1.e+30f ;
snow:cell_methods = "time:mean" ;
float snow_aice(time, nlat, nlon) ;
snow_aice:units = "cm/day" ;
snow_aice:long_name = "snowfall rate" ;
snow_aice:coordinates = "TLON TLAT time" ;
snow_aice:missing_value = 1.e+30f ;
snow_aice:_FillValue = 1.e+30f ;
snow_aice:comment = "weighted by ice area" ;
snow_aice:cell_methods = "time:mean" ;
float rain(time, nlat, nlon) ;
rain:units = "cm/day" ;
rain:long_name = "rainfall rate (cpl)" ;
rain:coordinates = "TLON TLAT time" ;
rain:missing_value = 1.e+30f ;
rain:_FillValue = 1.e+30f ;
rain:cell_methods = "time:mean" ;
float rain_aice(time, nlat, nlon) ;
rain_aice:units = "cm/day" ;
rain_aice:long_name = "rainfall rate" ;
rain_aice:coordinates = "TLON TLAT time" ;
rain_aice:missing_value = 1.e+30f ;
rain_aice:_FillValue = 1.e+30f ;
rain_aice:comment = "weighted by ice area" ;
rain_aice:cell_methods = "time:mean" ;
float Fswabs(time, nlat, nlon) ;
Fswabs:units = "W/m^2" ;
Fswabs:long_name = "snow/ice/ocn absorbed solar flux (cpl)" ;
Fswabs:coordinates = "TLON TLAT time" ;
Fswabs:missing_value = 1.e+30f ;
Fswabs:_FillValue = 1.e+30f ;
Fswabs:comment = "positive downward" ;
Fswabs:cell_methods = "time:mean" ;
float Fswabs_aice(time, nlat, nlon) ;
Fswabs_aice:units = "W/m^2" ;
Fswabs_aice:long_name = "snow/ice/ocn absorbed solar flux" ;
Fswabs_aice:coordinates = "TLON TLAT time" ;
Fswabs_aice:missing_value = 1.e+30f ;
Fswabs_aice:_FillValue = 1.e+30f ;
Fswabs_aice:comment = "weighted by ice area" ;
Fswabs_aice:cell_methods = "time:mean" ;
float albsni(time, nlat, nlon) ;
albsni:units = "%" ;
albsni:long_name = "snw/ice broad band albedo" ;
albsni:coordinates = "TLON TLAT time" ;
albsni:missing_value = 1.e+30f ;
albsni:_FillValue = 1.e+30f ;
albsni:cell_methods = "time:mean" ;
float Flat(time, nlat, nlon) ;
Flat:units = "W/m^2" ;
Flat:long_name = "latent heat flux (cpl)" ;
Flat:coordinates = "TLON TLAT time" ;
Flat:missing_value = 1.e+30f ;
Flat:_FillValue = 1.e+30f ;
Flat:comment = "positive downward" ;
Flat:cell_methods = "time:mean" ;
float Flat_aice(time, nlat, nlon) ;
Flat_aice:units = "W/m^2" ;
Flat_aice:long_name = "latent heat flux" ;
Flat_aice:coordinates = "TLON TLAT time" ;
Flat_aice:missing_value = 1.e+30f ;
Flat_aice:_FillValue = 1.e+30f ;
Flat_aice:comment = "weighted by ice area" ;
Flat_aice:cell_methods = "time:mean" ;
float Fsens(time, nlat, nlon) ;
Fsens:units = "W/m^2" ;
Fsens:long_name = "sensible heat flux (cpl)" ;
Fsens:coordinates = "TLON TLAT time" ;
Fsens:missing_value = 1.e+30f ;
Fsens:_FillValue = 1.e+30f ;
Fsens:comment = "positive downward" ;
Fsens:cell_methods = "time:mean" ;
float Fsens_aice(time, nlat, nlon) ;
Fsens_aice:units = "W/m^2" ;
Fsens_aice:long_name = "sensible heat flux" ;
Fsens_aice:coordinates = "TLON TLAT time" ;
Fsens_aice:missing_value = 1.e+30f ;
Fsens_aice:_FillValue = 1.e+30f ;
Fsens_aice:comment = "weighted by ice area" ;
Fsens_aice:cell_methods = "time:mean" ;
float Flwout(time, nlat, nlon) ;
Flwout:units = "W/m^2" ;
Flwout:long_name = "upward longwave flx (cpl)" ;
Flwout:coordinates = "TLON TLAT time" ;
Flwout:missing_value = 1.e+30f ;
Flwout:_FillValue = 1.e+30f ;
Flwout:comment = "positive downward" ;
Flwout:cell_methods = "time:mean" ;
float Flwout_aice(time, nlat, nlon) ;
Flwout_aice:units = "W/m^2" ;
Flwout_aice:long_name = "upward longwave flux" ;
Flwout_aice:coordinates = "TLON TLAT time" ;
Flwout_aice:missing_value = 1.e+30f ;
Flwout_aice:_FillValue = 1.e+30f ;
Flwout_aice:comment = "weighted by ice area" ;
Flwout_aice:cell_methods = "time:mean" ;
float evap(time, nlat, nlon) ;
evap:units = "cm/day" ;
evap:long_name = "evaporative water flux (cpl)" ;
evap:coordinates = "TLON TLAT time" ;
evap:missing_value = 1.e+30f ;
evap:_FillValue = 1.e+30f ;
evap:cell_methods = "time:mean" ;
float evap_aice(time, nlat, nlon) ;
evap_aice:units = "cm/day" ;
evap_aice:long_name = "evaporative water flux" ;
evap_aice:coordinates = "TLON TLAT time" ;
evap_aice:missing_value = 1.e+30f ;
evap_aice:_FillValue = 1.e+30f ;
evap_aice:comment = "weighted by ice area" ;
evap_aice:cell_methods = "time:mean" ;
float Tref(time, nlat, nlon) ;
Tref:units = "C" ;
Tref:long_name = "2m reference temperature" ;
Tref:coordinates = "TLON TLAT time" ;
Tref:missing_value = 1.e+30f ;
Tref:_FillValue = 1.e+30f ;
Tref:cell_methods = "time:mean" ;
float Qref(time, nlat, nlon) ;
Qref:units = "g/kg" ;
Qref:long_name = "2m reference specific humidity" ;
Qref:coordinates = "TLON TLAT time" ;
Qref:missing_value = 1.e+30f ;
Qref:_FillValue = 1.e+30f ;
Qref:cell_methods = "time:mean" ;
float growb(time, nlat, nlon) ;
growb:units = "cm/day" ;
growb:long_name = "congelation ice growth" ;
growb:coordinates = "TLON TLAT time" ;
growb:missing_value = 1.e+30f ;
growb:_FillValue = 1.e+30f ;
growb:cell_methods = "time:mean" ;
float frazil(time, nlat, nlon) ;
frazil:units = "cm/day" ;
frazil:long_name = "frazil ice growth" ;
frazil:coordinates = "TLON TLAT time" ;
frazil:missing_value = 1.e+30f ;
frazil:_FillValue = 1.e+30f ;
frazil:cell_methods = "time:mean" ;
float snoice(time, nlat, nlon) ;
snoice:units = "cm/day" ;
snoice:long_name = "snow-ice formation" ;
snoice:coordinates = "TLON TLAT time" ;
snoice:missing_value = 1.e+30f ;
snoice:_FillValue = 1.e+30f ;
snoice:cell_methods = "time:mean" ;
float meltt(time, nlat, nlon) ;
meltt:units = "cm/day" ;
meltt:long_name = "top ice melt" ;
meltt:coordinates = "TLON TLAT time" ;
meltt:missing_value = 1.e+30f ;
meltt:_FillValue = 1.e+30f ;
meltt:cell_methods = "time:mean" ;
float meltb(time, nlat, nlon) ;
meltb:units = "cm/day" ;
meltb:long_name = "basal ice melt" ;
meltb:coordinates = "TLON TLAT time" ;
meltb:missing_value = 1.e+30f ;
meltb:_FillValue = 1.e+30f ;
meltb:cell_methods = "time:mean" ;
float meltl(time, nlat, nlon) ;
meltl:units = "cm/day" ;
meltl:long_name = "lateral ice melt" ;
meltl:coordinates = "TLON TLAT time" ;
meltl:missing_value = 1.e+30f ;
meltl:_FillValue = 1.e+30f ;
meltl:cell_methods = "time:mean" ;
float Fresh(time, nlat, nlon) ;
Fresh:units = "cm/day" ;
Fresh:long_name = "frshwtr flx ice to ocn (cpl)" ;
Fresh:coordinates = "TLON TLAT time" ;
Fresh:missing_value = 1.e+30f ;
Fresh:_FillValue = 1.e+30f ;
Fresh:comment = "positive represents ocean gaining fresh water" ;
Fresh:cell_methods = "time:mean" ;
float Fresh_aice(time, nlat, nlon) ;
Fresh_aice:units = "cm/day" ;
Fresh_aice:long_name = "frshwtr flx ice to ocn" ;
Fresh_aice:coordinates = "TLON TLAT time" ;
Fresh_aice:missing_value = 1.e+30f ;
Fresh_aice:_FillValue = 1.e+30f ;
Fresh_aice:comment = "weighted by ice area" ;
Fresh_aice:cell_methods = "time:mean" ;
float Fsalt(time, nlat, nlon) ;
Fsalt:units = "kg/m^2/day" ;
Fsalt:long_name = "salt flux ice to ocn (cpl)" ;
Fsalt:coordinates = "TLON TLAT time" ;
Fsalt:missing_value = 1.e+30f ;
Fsalt:_FillValue = 1.e+30f ;
Fsalt:comment = "positive represents ocean gaining salt" ;
Fsalt:cell_methods = "time:mean" ;
float Fsalt_aice(time, nlat, nlon) ;
Fsalt_aice:units = "kg/m^2/day" ;
Fsalt_aice:long_name = "salt flux ice to ocean" ;
Fsalt_aice:coordinates = "TLON TLAT time" ;
Fsalt_aice:missing_value = 1.e+30f ;
Fsalt_aice:_FillValue = 1.e+30f ;
Fsalt_aice:comment = "weighted by ice area" ;
Fsalt_aice:cell_methods = "time:mean" ;
float Fhnet(time, nlat, nlon) ;
Fhnet:units = "W/m^2" ;
Fhnet:long_name = "heat flux ice to ocn (cpl)" ;
Fhnet:coordinates = "TLON TLAT time" ;
Fhnet:missing_value = 1.e+30f ;
Fhnet:_FillValue = 1.e+30f ;
Fhnet:comment = "positive represents ocean gaining heat" ;
Fhnet:cell_methods = "time:mean" ;
float Fhnet_aice(time, nlat, nlon) ;
Fhnet_aice:units = "W/m^2" ;
Fhnet_aice:long_name = "heat flux ice to ocean" ;
Fhnet_aice:coordinates = "TLON TLAT time" ;
Fhnet_aice:missing_value = 1.e+30f ;
Fhnet_aice:_FillValue = 1.e+30f ;
Fhnet_aice:comment = "weighted by ice area" ;
Fhnet_aice:cell_methods = "time:mean" ;
float Fswthru(time, nlat, nlon) ;
Fswthru:units = "W/m^2" ;
Fswthru:long_name = "SW thru ice to ocean (cpl)" ;
Fswthru:coordinates = "TLON TLAT time" ;
Fswthru:missing_value = 1.e+30f ;
Fswthru:_FillValue = 1.e+30f ;
Fswthru:comment = "positive represents ice gaining heat" ;
Fswthru:cell_methods = "time:mean" ;
float Fswthru_aice(time, nlat, nlon) ;
Fswthru_aice:units = "W/m^2" ;
Fswthru_aice:long_name = "SW flux thru ice to ocean" ;
Fswthru_aice:coordinates = "TLON TLAT time" ;
Fswthru_aice:missing_value = 1.e+30f ;
Fswthru_aice:_FillValue = 1.e+30f ;
Fswthru_aice:comment = "weighted by ice area" ;
Fswthru_aice:cell_methods = "time:mean" ;
float strairx(time, nlat, nlon) ;
strairx:units = "N/m^2" ;
strairx:long_name = "atm/ice stress (x)" ;
strairx:coordinates = "ULON ULAT time" ;
strairx:missing_value = 1.e+30f ;
strairx:_FillValue = 1.e+30f ;
strairx:comment = "positive is x direction on U grid" ;
strairx:cell_methods = "time:mean" ;
float strairy(time, nlat, nlon) ;
strairy:units = "N/m^2" ;
strairy:long_name = "atm/ice stress (y)" ;
strairy:coordinates = "ULON ULAT time" ;
strairy:missing_value = 1.e+30f ;
strairy:_FillValue = 1.e+30f ;
strairy:comment = "positive is y direction on U grid" ;
strairy:cell_methods = "time:mean" ;
float strcorx(time, nlat, nlon) ;
strcorx:units = "N/m^2" ;
strcorx:long_name = "coriolis stress (x)" ;
strcorx:coordinates = "ULON ULAT time" ;
strcorx:missing_value = 1.e+30f ;
strcorx:_FillValue = 1.e+30f ;
strcorx:comment = "positive is x direction on U grid" ;
strcorx:cell_methods = "time:mean" ;
float strcory(time, nlat, nlon) ;
strcory:units = "N/m^2" ;
strcory:long_name = "coriolis stress (y)" ;
strcory:coordinates = "ULON ULAT time" ;
strcory:missing_value = 1.e+30f ;
strcory:_FillValue = 1.e+30f ;
strcory:comment = "positive is y direction on U grid" ;
strcory:cell_methods = "time:mean" ;
float strocnx(time, nlat, nlon) ;
strocnx:units = "N/m^2" ;
strocnx:long_name = "ocean/ice stress (x)" ;
strocnx:coordinates = "ULON ULAT time" ;
strocnx:missing_value = 1.e+30f ;
strocnx:_FillValue = 1.e+30f ;
strocnx:comment = "positive is x direction on U grid" ;
strocnx:cell_methods = "time:mean" ;
float strocny(time, nlat, nlon) ;
strocny:units = "N/m^2" ;
strocny:long_name = "ocean/ice stress (y)" ;
strocny:coordinates = "ULON ULAT time" ;
strocny:missing_value = 1.e+30f ;
strocny:_FillValue = 1.e+30f ;
strocny:comment = "positive is y direction on U grid" ;
strocny:cell_methods = "time:mean" ;
float strintx(time, nlat, nlon) ;
strintx:units = "N/m^2" ;
strintx:long_name = "internal ice stress (x)" ;
strintx:coordinates = "ULON ULAT time" ;
strintx:missing_value = 1.e+30f ;
strintx:_FillValue = 1.e+30f ;
strintx:comment = "positive is x direction on U grid" ;
strintx:cell_methods = "time:mean" ;
float strinty(time, nlat, nlon) ;
strinty:units = "N/m^2" ;
strinty:long_name = "internal ice stress (y)" ;
strinty:coordinates = "ULON ULAT time" ;
strinty:missing_value = 1.e+30f ;
strinty:_FillValue = 1.e+30f ;
strinty:comment = "positive is y direction on U grid" ;
strinty:cell_methods = "time:mean" ;
float strength(time, nlat, nlon) ;
strength:units = "N/m" ;
strength:long_name = "compressive ice strength" ;
strength:coordinates = "TLON TLAT time" ;
strength:missing_value = 1.e+30f ;
strength:_FillValue = 1.e+30f ;
strength:cell_methods = "time:mean" ;
float divu(time, nlat, nlon) ;
divu:units = "%/day" ;
divu:long_name = "strain rate (divergence)" ;
divu:coordinates = "TLON TLAT time" ;
divu:missing_value = 1.e+30f ;
divu:_FillValue = 1.e+30f ;
divu:cell_methods = "time:mean" ;
float shear(time, nlat, nlon) ;
shear:units = "%/day" ;
shear:long_name = "strain rate (shear)" ;
shear:coordinates = "TLON TLAT time" ;
shear:missing_value = 1.e+30f ;
shear:_FillValue = 1.e+30f ;
shear:cell_methods = "time:mean" ;
float sig1(time, nlat, nlon) ;
sig1:units = "1" ;
sig1:long_name = "norm. principal stress 1" ;
sig1:coordinates = "ULON ULAT time" ;
sig1:missing_value = 1.e+30f ;
sig1:_FillValue = 1.e+30f ;
sig1:comment = "sig1 is instantaneous" ;
sig1:cell_methods = "time:mean" ;
float sig2(time, nlat, nlon) ;
sig2:units = "1" ;
sig2:long_name = "norm. principal stress 2" ;
sig2:coordinates = "ULON ULAT time" ;
sig2:missing_value = 1.e+30f ;
sig2:_FillValue = 1.e+30f ;
sig2:comment = "sig2 is instantaneous" ;
sig2:cell_methods = "time:mean" ;
float dvidtt(time, nlat, nlon) ;
dvidtt:units = "cm/day" ;
dvidtt:long_name = "volume tendency thermo" ;
dvidtt:coordinates = "TLON TLAT time" ;
dvidtt:missing_value = 1.e+30f ;
dvidtt:_FillValue = 1.e+30f ;
dvidtt:cell_methods = "time:mean" ;
float dvidtd(time, nlat, nlon) ;
dvidtd:units = "cm/day" ;
dvidtd:long_name = "volume tendency dynamics" ;
dvidtd:coordinates = "TLON TLAT time" ;
dvidtd:missing_value = 1.e+30f ;
dvidtd:_FillValue = 1.e+30f ;
dvidtd:cell_methods = "time:mean" ;
float daidtt(time, nlat, nlon) ;
daidtt:units = "%/day" ;
daidtt:long_name = "area tendency thermo" ;
daidtt:coordinates = "TLON TLAT time" ;
daidtt:missing_value = 1.e+30f ;
daidtt:_FillValue = 1.e+30f ;
daidtt:cell_methods = "time:mean" ;
float daidtd(time, nlat, nlon) ;
daidtd:units = "%/day" ;
daidtd:long_name = "area tendency dynamics" ;
daidtd:coordinates = "TLON TLAT time" ;
daidtd:missing_value = 1.e+30f ;
daidtd:_FillValue = 1.e+30f ;
daidtd:cell_methods = "time:mean" ;
float opening(time, nlat, nlon) ;
opening:units = "%/day" ;
opening:long_name = "lead area opening rate" ;
opening:coordinates = "TLON TLAT time" ;
opening:missing_value = 1.e+30f ;
opening:_FillValue = 1.e+30f ;
opening:cell_methods = "time:mean" ;
float aice1(time, nlat, nlon) ;
aice1:units = "%" ;
aice1:long_name = "ice area (category 1)" ;
aice1:coordinates = "TLON TLAT time" ;
aice1:missing_value = 1.e+30f ;
aice1:_FillValue = 1.e+30f ;
aice1:comment = "0.000 m < hi Cat 1 < 0.645 m" ;
aice1:cell_methods = "time:mean" ;
float aice2(time, nlat, nlon) ;
&nb
