Most variables will have a "time" dimension, indicating they are time-series variables. Variables with a "station" dimension were sampled at more than one station or site.
Variables with a "sample" dimension are available at a resolution of 1/sample times the resolution of the dataset. For example, in a file of 5 minute statistics, a sample dimension of 5 indicates that the variable is available at 1 minute resolution.
For more information on variable names, see the ISFF Variable Name Convention .
Variables that were slowly sampled (usually once per second, or less) start with an upper case character (P, RH, T, etc). Lower case is used for more rapidly sampled variables, typically those used in eddy correlation, like u,v,w,tc,h2o, etc.
Higher moments are represented by products of variables, separated by single quotes. For example, u'v' is the covariance of u and v.
To save space, third and fourth moments of eddy correlation variables aren't listed in the table, but are available in the datasets.
Standard NetCDF variable names should only contain alphanumeric characters and underscores. Therefore, in Netcdf files the actual variable names will be the variable name shown here, with underscores substituted for periods and quotes. The variable name shown in this table will be saved as the "short_name" attribute of the Netcdf variable.
Variable Name | Description | Units | Dimension | Sensor | Notes |
---|---|---|---|---|---|
base_time | Seconds since 1970 Jan 1 00:00 GMT | seconds | |||
time | Seconds since base_time | seconds | time | ||
Dir.10m | Wind Direction | deg | time x station | ||
Gsoil | Soil Heat Flux | W/m^2 | time x station | ||
Icharge | Charging Current | amp | time x station | ||
Iload | Load Current | amp | time x station | ||
P | Barometric Pressure | mb | time x station | ||
Qsoil | Soil Moisture | vfract | time x station | CS615 | |
Qsoilraw | CS615 square wave period | msec | time x station | CS615 | |
RH.15m | Rel. Humidity | % | time | ||
RH.25m | Rel. Humidity | % | time | ||
RH.2m | Rel. Humidity | % | time x station | ||
RH.35m | Rel. Humidity | % | time | ||
RH.45m | Rel. Humidity | % | time | ||
RH.55m | Rel. Humidity | % | time | ||
RH.5m | Rel. Humidity | % | time | ||
Rnet | Net Radiation | W/m^2 | time x station | ||
Rpile.in.a.50m | Up-looking Thermopile | W/m^2 | time | ||
Rpile.in.b.50m | Up-looking Thermopile | W/m^2 | time | ||
Rpile.in | Up-looking Thermopile | W/m^2 | time x station | ||
Rpile.out.a.50m | Down-looking Thermopile | W/m^2 | time | ||
Rpile.out.b.50m | Down-looking Thermopile | W/m^2 | time | ||
Rpile.out | Down-looking Thermopile | W/m^2 | time x station | ||
Rsw.in | Incoming Shortwave | W/m^2 | time x station | ||
Rsw.out | Outgoing Shortwave | W/m^2 | time x station | ||
Spd.10m | Wind Speed | m/s | time x station | ||
T.15m | Air Temp | degC | time | ||
T.25m | Air Temp | degC | time | ||
T.2m | Air Temp | degC | time x station | ||
T.35m | Air Temp | degC | time | ||
T.45m | Air Temp | degC | time | ||
T.55m | Air Temp | degC | time | ||
T.5m | Air Temp | degC | time | ||
Tbaro | degC | time x station | |||
Tbatt | degC | time x station | |||
Tbox.cosmos | Electronics Temp | degC | time | ||
Tbox.fester | Electronics Temp | degC | time | ||
Tbox.ragwort | Electronics Temp | degC | time | ||
Tcase.in.a.50m | Up-looking Case Temp | degC | time | ||
Tcase.in.b.50m | Up-looking Case Temp | degC | time | ||
Tcase.in | Up-looking Case Temp | degC | time x station | ||
Tcase.out.a.50m | Down-looking Case Temp | degC | time | ||
Tcase.out.b.50m | Down-looking Case Temp | degC | time | ||
Tcase.out | Down-looking Case Temp | degC | time x station | ||
Tdome.in.a.50m | Up-looking Dome Temp | degC | time | ||
Tdome.in.b.50m | Up-looking Dome Temp | degC | time | ||
Tdome.in | Up-looking Dome Temp | degC | time x station | ||
Tdome.out.a.50m | Down-looking Dome Temp | degC | time | ||
Tdome.out.b.50m | Down-looking Dome Temp | degC | time | ||
Tdome.out | Down-looking Dome Temp | degC | time x station | ||
Tlicor.5m | degC | time | |||
Tsamp.20m | degC | time | |||
Tsamp.40m | degC | time | |||
Tsfc | Surface Temp | degC | time x station | ||
Tsoil | Soil Temperature | degC | time x station | ||
U.15m | Eastward Wind | m/s | time | ||
U.25m | Eastward Wind | m/s | time | ||
U.35m | Eastward Wind | m/s | time | ||
U.45m | Eastward Wind | m/s | time | ||
V.15m | Northward Wind | m/s | time | ||
V.25m | Northward Wind | m/s | time | ||
V.35m | Northward Wind | m/s | time | ||
V.45m | Northward Wind | m/s | time | ||
Vbatt | Battery Voltage | volts | time x station | ||
ahw.10m | Average hotwire voltage | V | time | ||
ahw.20m | Average hotwire voltage | V | time | ||
ahw.40m | Average hotwire voltage | V | time | ||
altitude | m | station | |||
co2mr'co2mr'.20m | (mg/m^3)^2 | time | |||
co2mr'co2mr'.40m | (mg/m^3)^2 | time | |||
co2mr'co2mr'.5m | (mg/m3)^2 | time | |||
co2mr.20m | mg/m^3 | time | |||
co2mr.40m | mg/m^3 | time | |||
co2mr.5m | mg/m3 | time | |||
diag.1.5m | time | ||||
diag.30m | time | ||||
diag.50m | time | ||||
diag.5m | time | ||||
h2o'h2o'.20m | h2o variance | (g/m^3)^2 | time | ||
h2o'h2o'.40m | h2o variance | (g/m^3)^2 | time | ||
h2o'h2o'.55m | h2o variance | (g/m^3)^2 | time | ||
h2o'h2o'.5m | h2o variance | (g/m^3)^2 | time | ||
h2o'h2o'.k.20m | h2o variance | (g/m^3)^2 | time | ||
h2o'h2o' | h2o variance | (g/m^3)^2 | time x station | ||
h2o.20m | Water Vapor Density | g/m^3 | time | ||
h2o.40m | Water Vapor Density | g/m^3 | time | ||
h2o.55m | Water Vapor Density | g/m^3 | time | ||
h2o.5m | Water Vapor Density | g/m^3 | time | ||
h2o.k.20m | Water Vapor Density | g/m^3 | time | ||
h2o | Water Vapor Density | g/m^3 | time x station | ||
latitude | degree_north | station | |||
longitude | degree_east | station | |||
pp'pp'.1.5m | (mb)^2 | time | |||
pp'pp'.30m | (mb)^2 | time | |||
pp'pp'.50m | (mb)^2 | time | |||
pp'pp' | (units)^2 | time x station | |||
pp.1.5m | mb | time | |||
pp.30m | mb | time | |||
pp.50m | mb | time | |||
pp | units | time x station | |||
rainr | Rain Rate | mm/hr | time x station | ||
tc'tc'.1.5m | tc variance | (degC)^2 | time | ||
tc'tc'.10m | tc variance | (degC)^2 | time | ||
tc'tc'.20m | tc variance | (degC)^2 | time | ||
tc'tc'.30m | tc variance | (degC)^2 | time | ||
tc'tc'.40m | tc variance | (degC)^2 | time | ||
tc'tc'.50m | tc variance | (degC)^2 | time | ||
tc'tc'.55m | tc variance | (degC)^2 | time | ||
tc'tc'.5m | tc variance | (degC)^2 | time | ||
tc'tc' | tc variance | (degC)^2 | time x station | ||
tc.1.5m | Virtual Temperature | degC | time | ||
tc.10m | Virtual Temperature | degC | time | ||
tc.20m | Virtual Temperature | degC | time | ||
tc.30m | Virtual Temperature | degC | time | ||
tc.40m | Virtual Temperature | degC | time | ||
tc.50m | Virtual Temperature | degC | time | ||
tc.55m | Virtual Temperature | degC | time | ||
tc.5m | Virtual Temperature | degC | time | ||
tc | Virtual Temperature | degC | time x station | ||
tcflag.1.5m | Spike fract for tc | time | |||
tcflag.10m | Spike fract for tc | time | |||
tcflag.20m | Spike fract for tc | time | |||
tcflag.30m | Spike fract for tc | time | |||
tcflag.40m | Spike fract for tc | time | |||
tcflag.50m | Spike fract for tc | time | |||
tcflag.55m | Spike fract for tc | time | |||
tcflag.5m | Spike fract for tc | time | |||
tcflag | Spike fract for tc | time x station | |||
u'co2mr'.20m | m/s mg/m^3 | time | |||
u'co2mr'.40m | m/s mg/m^3 | time | |||
u'co2mr'.5m | m/s mg/m3 | time | |||
u'h2o'.(,k).20m | u h2o covariance | m/s g/m^3 | time | ||
u'h2o'.20m | u h2o covariance | m/s g/m^3 | time | ||
u'h2o'.40m | u h2o covariance | m/s g/m^3 | time | ||
u'h2o'.55m | u h2o covariance | m/s g/m^3 | time | ||
u'h2o'.5m | u h2o covariance | m/s g/m^3 | time | ||
u'h2o' | u h2o covariance | m/s g/m^3 | time x station | ||
u'pp'.1.5m | m/s mb | time | |||
u'pp'.30m | m/s mb | time | |||
u'pp'.50m | m/s mb | time | |||
u'tc'.1.5m | u tc covariance | m/s degC | time | ||
u'tc'.10m | u tc covariance | m/s degC | time | ||
u'tc'.20m | u tc covariance | m/s degC | time | ||
u'tc'.30m | u tc covariance | m/s degC | time | ||
u'tc'.40m | u tc covariance | m/s degC | time | ||
u'tc'.50m | u tc covariance | m/s degC | time | ||
u'tc'.55m | u tc covariance | m/s degC | time | ||
u'tc'.5m | u tc covariance | m/s degC | time | ||
u'tc' | u tc covariance | m/s degC | time x station | ||
u'u'.1.5m | u variance | (m/s)^2 | time | ||
u'u'.10m | u variance | (m/s)^2 | time | ||
u'u'.20m | u variance | (m/s)^2 | time | ||
u'u'.30m | u variance | (m/s)^2 | time | ||
u'u'.40m | u variance | (m/s)^2 | time | ||
u'u'.50m | u variance | (m/s)^2 | time | ||
u'u'.55m | u variance | (m/s)^2 | time | ||
u'u'.5m | u variance | (m/s)^2 | time | ||
u'u' | u variance | (m/s)^2 | time x station | ||
u'v'.1.5m | u v covariance | (m/s)^2 | time | ||
u'v'.10m | u v covariance | (m/s)^2 | time | ||
u'v'.20m | u v covariance | (m/s)^2 | time | ||
u'v'.30m | u v covariance | (m/s)^2 | time | ||
u'v'.40m | u v covariance | (m/s)^2 | time | ||
u'v'.50m | u v covariance | (m/s)^2 | time | ||
u'v'.55m | u v covariance | (m/s)^2 | time | ||
u'v'.5m | u v covariance | (m/s)^2 | time | ||
u'v' | u v covariance | (m/s)^2 | time x station | ||
u'w'.1.5m | u w covariance | (m/s)^2 | time | ||
u'w'.10m | u w covariance | (m/s)^2 | time | ||
u'w'.20m | u w covariance | (m/s)^2 | time | ||
u'w'.30m | u w covariance | (m/s)^2 | time | ||
u'w'.40m | u w covariance | (m/s)^2 | time | ||
u'w'.50m | u w covariance | (m/s)^2 | time | ||
u'w'.55m | u w covariance | (m/s)^2 | time | ||
u'w'.5m | u w covariance | (m/s)^2 | time | ||
u'w' | u w covariance | (m/s)^2 | time x station | ||
u.1.5m | Sonic U Wind Comp | m/s | time | ||
u.10m | Sonic U Wind Comp | m/s | time | ||
u.20m | Sonic U Wind Comp | m/s | time | ||
u.30m | Sonic U Wind Comp | m/s | time | ||
u.40m | Sonic U Wind Comp | m/s | time | ||
u.50m | Sonic U Wind Comp | m/s | time | ||
u.55m | Sonic U Wind Comp | m/s | time | ||
u.5m | Sonic U Wind Comp | m/s | time | ||
u | Sonic U Wind Comp | m/s | time x station | ||
uflag.1.5m | Spike fract for u | time | |||
uflag.10m | Spike fract for u | time | |||
uflag.20m | Spike fract for u | time | |||
uflag.30m | Spike fract for u | time | |||
uflag.40m | Spike fract for u | time | |||
uflag.50m | Spike fract for u | time | |||
uflag.55m | Spike fract for u | time | |||
uflag.5m | Spike fract for u | time | |||
uflag | Spike fract for u | time x station | |||
ulev.10m | deg | time | |||
ulev.40m | deg | time | |||
usamples.10m | # of samples averaged | time | |||
usamples.20m | # of samples averaged | time | |||
usamples.40m | # of samples averaged | time | |||
usamples.55m | # of samples averaged | time | |||
usamples | # of samples averaged | time x station | |||
v'co2mr'.20m | m/s mg/m^3 | time | |||
v'co2mr'.40m | m/s mg/m^3 | time | |||
v'co2mr'.5m | m/s mg/m3 | time | |||
v'h2o'.(,k).20m | v h2o covariance | m/s g/m^3 | time | ||
v'h2o'.20m | v h2o covariance | m/s g/m^3 | time | ||
v'h2o'.40m | v h2o covariance | m/s g/m^3 | time | ||
v'h2o'.55m | v h2o covariance | m/s g/m^3 | time | ||
v'h2o'.5m | v h2o covariance | m/s g/m^3 | time | ||
v'h2o' | v h2o covariance | m/s g/m^3 | time x station | ||
v'pp'.1.5m | m/s mb | time | |||
v'pp'.30m | m/s mb | time | |||
v'pp'.50m | m/s mb | time | |||
v'tc'.1.5m | v tc covariance | m/s degC | time | ||
v'tc'.10m | v tc covariance | m/s degC | time | ||
v'tc'.20m | v tc covariance | m/s degC | time | ||
v'tc'.30m | v tc covariance | m/s degC | time | ||
v'tc'.40m | v tc covariance | m/s degC | time | ||
v'tc'.50m | v tc covariance | m/s degC | time | ||
v'tc'.55m | v tc covariance | m/s degC | time | ||
v'tc'.5m | v tc covariance | m/s degC | time | ||
v'tc' | v tc covariance | m/s degC | time x station | ||
v'v'.1.5m | v variance | (m/s)^2 | time | ||
v'v'.10m | v variance | (m/s)^2 | time | ||
v'v'.20m | v variance | (m/s)^2 | time | ||
v'v'.30m | v variance | (m/s)^2 | time | ||
v'v'.40m | v variance | (m/s)^2 | time | ||
v'v'.50m | v variance | (m/s)^2 | time | ||
v'v'.55m | v variance | (m/s)^2 | time | ||
v'v'.5m | v variance | (m/s)^2 | time | ||
v'v' | v variance | (m/s)^2 | time x station | ||
v'w'.1.5m | v w covariance | (m/s)^2 | time | ||
v'w'.10m | v w covariance | (m/s)^2 | time | ||
v'w'.20m | v w covariance | (m/s)^2 | time | ||
v'w'.30m | v w covariance | (m/s)^2 | time | ||
v'w'.40m | v w covariance | (m/s)^2 | time | ||
v'w'.50m | v w covariance | (m/s)^2 | time | ||
v'w'.55m | v w covariance | (m/s)^2 | time | ||
v'w'.5m | v w covariance | (m/s)^2 | time | ||
v'w' | v w covariance | (m/s)^2 | time x station | ||
v.1.5m | Sonic V Wind Comp | m/s | time | ||
v.10m | Sonic V Wind Comp | m/s | time | ||
v.20m | Sonic V Wind Comp | m/s | time | ||
v.30m | Sonic V Wind Comp | m/s | time | ||
v.40m | Sonic V Wind Comp | m/s | time | ||
v.50m | Sonic V Wind Comp | m/s | time | ||
v.55m | Sonic V Wind Comp | m/s | time | ||
v.5m | Sonic V Wind Comp | m/s | time | ||
v | Sonic V Wind Comp | m/s | time x station | ||
vflag.1.5m | Spike fract for v | time | |||
vflag.10m | Spike fract for v | time | |||
vflag.20m | Spike fract for v | time | |||
vflag.30m | Spike fract for v | time | |||
vflag.40m | Spike fract for v | time | |||
vflag.50m | Spike fract for v | time | |||
vflag.55m | Spike fract for v | time | |||
vflag.5m | Spike fract for v | time | |||
vflag | Spike fract for v | time x station | |||
vlev.10m | deg | time | |||
vlev.40m | deg | time | |||
vsamples.10m | # of samples averaged | time | |||
vsamples.20m | # of samples averaged | time | |||
vsamples.40m | # of samples averaged | time | |||
vsamples.55m | # of samples averaged | time | |||
vsamples | # of samples averaged | time x station | |||
vt.cf.1.5m | degC | time | |||
vt.cf.5m | degC | time | |||
vu.hf.1.5m | m/s | time | |||
vu.hf.5m | m/s | time | |||
vv.hf.1.5m | m/s | time | |||
vv.hf.5m | m/s | time | |||
vw.hf.1.5m | m/s | time | |||
vw.hf.5m | m/s | time | |||
w'co2mr'.20m | m/s mg/m^3 | time | |||
w'co2mr'.40m | m/s mg/m^3 | time | |||
w'co2mr'.5m | m/s mg/m3 | time | |||
w'h2o'.(,k).20m | w h2o covariance | m/s g/m^3 | time | ||
w'h2o'.20m | w h2o covariance | m/s g/m^3 | time | ||
w'h2o'.40m | w h2o covariance | m/s g/m^3 | time | ||
w'h2o'.55m | w h2o covariance | m/s g/m^3 | time | ||
w'h2o'.5m | w h2o covariance | m/s g/m^3 | time | ||
w'h2o' | w h2o covariance | m/s g/m^3 | time x station | ||
w'pp'.1.5m | m/s mb | time | |||
w'pp'.30m | m/s mb | time | |||
w'pp'.50m | m/s mb | time | |||
w'tc'.1.5m | w tc covariance | m/s degC | time | ||
w'tc'.10m | w tc covariance | m/s degC | time | ||
w'tc'.20m | w tc covariance | m/s degC | time | ||
w'tc'.30m | w tc covariance | m/s degC | time | ||
w'tc'.40m | w tc covariance | m/s degC | time | ||
w'tc'.50m | w tc covariance | m/s degC | time | ||
w'tc'.55m | w tc covariance | m/s degC | time | ||
w'tc'.5m | w tc covariance | m/s degC | time | ||
w'tc' | w tc covariance | m/s degC | time x station | ||
w'w'.1.5m | w variance | (m/s)^2 | time | ||
w'w'.10m | w variance | (m/s)^2 | time | ||
w'w'.20m | w variance | (m/s)^2 | time | ||
w'w'.30m | w variance | (m/s)^2 | time | ||
w'w'.40m | w variance | (m/s)^2 | time | ||
w'w'.50m | w variance | (m/s)^2 | time | ||
w'w'.55m | w variance | (m/s)^2 | time | ||
w'w'.5m | w variance | (m/s)^2 | time | ||
w'w' | w variance | (m/s)^2 | time x station | ||
w.1.5m | Sonic W Wind Comp | m/s | time | ||
w.10m | Sonic W Wind Comp | m/s | time | ||
w.20m | Sonic W Wind Comp | m/s | time | ||
w.30m | Sonic W Wind Comp | m/s | time | ||
w.40m | Sonic W Wind Comp | m/s | time | ||
w.50m | Sonic W Wind Comp | m/s | time | ||
w.55m | Sonic W Wind Comp | m/s | time | ||
w.5m | Sonic W Wind Comp | m/s | time | ||
w | Sonic W Wind Comp | m/s | time x station | ||
wflag.1.5m | Spike fract for w | time | |||
wflag.10m | Spike fract for w | time | |||
wflag.20m | Spike fract for w | time | |||
wflag.30m | Spike fract for w | time | |||
wflag.40m | Spike fract for w | time | |||
wflag.50m | Spike fract for w | time | |||
wflag.55m | Spike fract for w | time | |||
wflag.5m | Spike fract for w | time | |||
wflag | Spike fract for w | time x station | |||
wsamples.10m | # of samples averaged | time | |||
wsamples.20m | # of samples averaged | time | |||
wsamples.40m | # of samples averaged | time | |||
wsamples.55m | # of samples averaged | time | |||
wsamples | # of samples averaged | time x station | |||
xlev.rad1.50m | deg | time | |||
xlev.rad2.50m | deg | time | |||
xlev.rad3.50m | deg | time | |||
ylev.rad1.50m | deg | time | |||
ylev.rad2.50m | deg | time | |||
ylev.rad3.50m | deg | time |