National Center for Atmospheric Research
EOL Integrated Surface Flux Facility

Variables in OHATS04 5-Minute Data Set

The following variables were sampled during this project.

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_timeSeconds since
1970 Jan 1 00:00 GMT
seconds   
timeSeconds since base_timesecondstime  
co2'co2'.flux.9m (mmol/m3)^2time  
co2.flux.9m mmol/m3time  
diag.a1.5m  time  
diag.a2.5m  time  
diag.a3.5m  time  
diag.a4.5m  time  
diag.a5.5m  time  
diag.a6.5m  time  
diag.a7.5m  time  
diag.a8.5m  time  
diag.a9.5m  time  
diag.b1.5.6m  time  
diag.b2.5.6m  time  
diag.b3.5.6m  time  
diag.b4.5.6m  time  
diag.b5.5.6m  time  
diag.b6.5.6m  time  
diag.b7.5.6m  time  
diag.b8.5.6m  time  
diag.b9.5.6m  time  
h2o.flux.9mWater Vapor Densitymmol/m3time  
h2o'h2o'.flux.9mh2o variance(mmol/m3)^2time  
o3.flux.9m voltstime  
o3'o3'.flux.9m (volts)^2time  
rate.x.5.6m voltstime  
rate.y.5.6m voltstime  
rate.z.5.6m voltstime  
RH.flux.9mRel. HumiditymVtime  
tc.a1.5mVirtual TemperaturedegCtime  
tc.a2.5mVirtual TemperaturedegCtime  
tc.a3.5mVirtual TemperaturedegCtime  
tc.a4.5mVirtual TemperaturedegCtime  
tc.a5.5mVirtual TemperaturedegCtime  
tc.a6.5mVirtual TemperaturedegCtime  
tc.a7.5mVirtual TemperaturedegCtime  
tc.a8.5mVirtual TemperaturedegCtime  
tc.a9.5mVirtual TemperaturedegCtime  
tc.b1.5.6mVirtual TemperaturedegCtime  
tc.b2.5.6mVirtual TemperaturedegCtime  
tc.b3.5.6mVirtual TemperaturedegCtime  
tc.b4.5.6mVirtual TemperaturedegCtime  
tc.b5.5.6mVirtual TemperaturedegCtime  
tc.b6.5.6mVirtual TemperaturedegCtime  
tc.b7.5.6mVirtual TemperaturedegCtime  
tc.b8.5.6mVirtual TemperaturedegCtime  
tc.b9.5.6mVirtual TemperaturedegCtime  
tcflag.a1.5mSpike fract for tc time  
tcflag.a2.5mSpike fract for tc time  
tcflag.a3.5mSpike fract for tc time  
tcflag.a4.5mSpike fract for tc time  
tcflag.a5.5mSpike fract for tc time  
tcflag.a6.5mSpike fract for tc time  
tcflag.a7.5mSpike fract for tc time  
tcflag.a8.5mSpike fract for tc time  
tcflag.a9.5mSpike fract for tc time  
tcflag.b1.5.6mSpike fract for tc time  
tcflag.b2.5.6mSpike fract for tc time  
tcflag.b3.5.6mSpike fract for tc time  
tcflag.b4.5.6mSpike fract for tc time  
tcflag.b5.5.6mSpike fract for tc time  
tcflag.b6.5.6mSpike fract for tc time  
tcflag.b7.5.6mSpike fract for tc time  
tcflag.b8.5.6mSpike fract for tc time  
tcflag.b9.5.6mSpike fract for tc time  
tc.flux.9mVirtual TemperaturedegCtime  
tc'tc'.a1.5mtc variance(degC)^2time  
tc'tc'.a2.5mtc variance(degC)^2time  
tc'tc'.a3.5mtc variance(degC)^2time  
tc'tc'.a4.5mtc variance(degC)^2time  
tc'tc'.a5.5mtc variance(degC)^2time  
tc'tc'.a6.5mtc variance(degC)^2time  
tc'tc'.a7.5mtc variance(degC)^2time  
tc'tc'.a8.5mtc variance(degC)^2time  
tc'tc'.a9.5mtc variance(degC)^2time  
tc'tc'.b1.5.6mtc variance(degC)^2time  
tc'tc'.b2.5.6mtc variance(degC)^2time  
tc'tc'.b3.5.6mtc variance(degC)^2time  
tc'tc'.b4.5.6mtc variance(degC)^2time  
tc'tc'.b5.5.6mtc variance(degC)^2time  
tc'tc'.b6.5.6mtc variance(degC)^2time  
tc'tc'.b7.5.6mtc variance(degC)^2time  
tc'tc'.b8.5.6mtc variance(degC)^2time  
tc'tc'.b9.5.6mtc variance(degC)^2time  
tc'tc'.flux.9mtc variance(degC)^2time  
T.flux.9mAir TempmVtime  
u.a1.5mSonic U Wind Compm/stime  
u.a2.5mSonic U Wind Compm/stime  
u.a3.5mSonic U Wind Compm/stime  
u.a4.5mSonic U Wind Compm/stime  
u.a5.5mSonic U Wind Compm/stime  
u.a6.5mSonic U Wind Compm/stime  
u.a7.5mSonic U Wind Compm/stime  
u.a8.5mSonic U Wind Compm/stime  
u.a9.5mSonic U Wind Compm/stime  
u.b1.5.6mSonic U Wind Compm/stime  
u.b2.5.6mSonic U Wind Compm/stime  
u.b3.5.6mSonic U Wind Compm/stime  
u.b4.5.6mSonic U Wind Compm/stime  
u.b5.5.6mSonic U Wind Compm/stime  
u.b6.5.6mSonic U Wind Compm/stime  
u.b7.5.6mSonic U Wind Compm/stime  
u.b8.5.6mSonic U Wind Compm/stime  
u.b9.5.6mSonic U Wind Compm/stime  
u'co2'.flux.9m m/s mmol/m3time  
uflag.a1.5mSpike fract for u time  
uflag.a2.5mSpike fract for u time  
uflag.a3.5mSpike fract for u time  
uflag.a4.5mSpike fract for u time  
uflag.a5.5mSpike fract for u time  
uflag.a6.5mSpike fract for u time  
uflag.a7.5mSpike fract for u time  
uflag.a8.5mSpike fract for u time  
uflag.a9.5mSpike fract for u time  
uflag.b1.5.6mSpike fract for u time  
uflag.b2.5.6mSpike fract for u time  
uflag.b3.5.6mSpike fract for u time  
uflag.b4.5.6mSpike fract for u time  
uflag.b5.5.6mSpike fract for u time  
uflag.b6.5.6mSpike fract for u time  
uflag.b7.5.6mSpike fract for u time  
uflag.b8.5.6mSpike fract for u time  
uflag.b9.5.6mSpike fract for u time  
u.flux.9mSonic U Wind Compm/stime  
u'h2o'.flux.9mu h2o covariancem/s mmol/m3time  
u'o3'.flux.9m m/s voltstime  
u'tc'.a1.5mu tc covariancem/s degCtime  
u'tc'.a2.5mu tc covariancem/s degCtime  
u'tc'.a3.5mu tc covariancem/s degCtime  
u'tc'.a4.5mu tc covariancem/s degCtime  
u'tc'.a5.5mu tc covariancem/s degCtime  
u'tc'.a6.5mu tc covariancem/s degCtime  
u'tc'.a7.5mu tc covariancem/s degCtime  
u'tc'.a8.5mu tc covariancem/s degCtime  
u'tc'.a9.5mu tc covariancem/s degCtime  
u'tc'.b1.5.6mu tc covariancem/s degCtime  
u'tc'.b2.5.6mu tc covariancem/s degCtime  
u'tc'.b3.5.6mu tc covariancem/s degCtime  
u'tc'.b4.5.6mu tc covariancem/s degCtime  
u'tc'.b5.5.6mu tc covariancem/s degCtime  
u'tc'.b6.5.6mu tc covariancem/s degCtime  
u'tc'.b7.5.6mu tc covariancem/s degCtime  
u'tc'.b8.5.6mu tc covariancem/s degCtime  
u'tc'.b9.5.6mu tc covariancem/s degCtime  
u'tc'.flux.9mu tc covariancem/s degCtime  
u'u'.a1.5mu variance(m/s)^2time  
u'u'.a2.5mu variance(m/s)^2time  
u'u'.a3.5mu variance(m/s)^2time  
u'u'.a4.5mu variance(m/s)^2time  
u'u'.a5.5mu variance(m/s)^2time  
u'u'.a6.5mu variance(m/s)^2time  
u'u'.a7.5mu variance(m/s)^2time  
u'u'.a8.5mu variance(m/s)^2time  
u'u'.a9.5mu variance(m/s)^2time  
u'u'.b1.5.6mu variance(m/s)^2time  
u'u'.b2.5.6mu variance(m/s)^2time  
u'u'.b3.5.6mu variance(m/s)^2time  
u'u'.b4.5.6mu variance(m/s)^2time  
u'u'.b5.5.6mu variance(m/s)^2time  
u'u'.b6.5.6mu variance(m/s)^2time  
u'u'.b7.5.6mu variance(m/s)^2time  
u'u'.b8.5.6mu variance(m/s)^2time  
u'u'.b9.5.6mu variance(m/s)^2time  
u'u'.flux.9mu variance(m/s)^2time  
u'v'.a1.5mu v covariance(m/s)^2time  
u'v'.a2.5mu v covariance(m/s)^2time  
u'v'.a3.5mu v covariance(m/s)^2time  
u'v'.a4.5mu v covariance(m/s)^2time  
u'v'.a5.5mu v covariance(m/s)^2time  
u'v'.a6.5mu v covariance(m/s)^2time  
u'v'.a7.5mu v covariance(m/s)^2time  
u'v'.a8.5mu v covariance(m/s)^2time  
u'v'.a9.5mu v covariance(m/s)^2time  
u'v'.b1.5.6mu v covariance(m/s)^2time  
u'v'.b2.5.6mu v covariance(m/s)^2time  
u'v'.b3.5.6mu v covariance(m/s)^2time  
u'v'.b4.5.6mu v covariance(m/s)^2time  
u'v'.b5.5.6mu v covariance(m/s)^2time  
u'v'.b6.5.6mu v covariance(m/s)^2time  
u'v'.b7.5.6mu v covariance(m/s)^2time  
u'v'.b8.5.6mu v covariance(m/s)^2time  
u'v'.b9.5.6mu v covariance(m/s)^2time  
u'v'.flux.9mu v covariance(m/s)^2time  
u'w'.a1.5mu w covariance(m/s)^2time  
u'w'.a2.5mu w covariance(m/s)^2time  
u'w'.a3.5mu w covariance(m/s)^2time  
u'w'.a4.5mu w covariance(m/s)^2time  
u'w'.a5.5mu w covariance(m/s)^2time  
u'w'.a6.5mu w covariance(m/s)^2time  
u'w'.a7.5mu w covariance(m/s)^2time  
u'w'.a8.5mu w covariance(m/s)^2time  
u'w'.a9.5mu w covariance(m/s)^2time  
u'w'.b1.5.6mu w covariance(m/s)^2time  
u'w'.b2.5.6mu w covariance(m/s)^2time  
u'w'.b3.5.6mu w covariance(m/s)^2time  
u'w'.b4.5.6mu w covariance(m/s)^2time  
u'w'.b5.5.6mu w covariance(m/s)^2time  
u'w'.b6.5.6mu w covariance(m/s)^2time  
u'w'.b7.5.6mu w covariance(m/s)^2time  
u'w'.b8.5.6mu w covariance(m/s)^2time  
u'w'.b9.5.6mu w covariance(m/s)^2time  
u'w'.flux.9mu w covariance(m/s)^2time  
v.a1.5mSonic V Wind Compm/stime  
v.a2.5mSonic V Wind Compm/stime  
v.a3.5mSonic V Wind Compm/stime  
v.a4.5mSonic V Wind Compm/stime  
v.a5.5mSonic V Wind Compm/stime  
v.a6.5mSonic V Wind Compm/stime  
v.a7.5mSonic V Wind Compm/stime  
v.a8.5mSonic V Wind Compm/stime  
v.a9.5mSonic V Wind Compm/stime  
v.b1.5.6mSonic V Wind Compm/stime  
v.b2.5.6mSonic V Wind Compm/stime  
v.b3.5.6mSonic V Wind Compm/stime  
v.b4.5.6mSonic V Wind Compm/stime  
v.b5.5.6mSonic V Wind Compm/stime  
v.b6.5.6mSonic V Wind Compm/stime  
v.b7.5.6mSonic V Wind Compm/stime  
v.b8.5.6mSonic V Wind Compm/stime  
v.b9.5.6mSonic V Wind Compm/stime  
v'co2'.flux.9m m/s mmol/m3time  
vflag.a1.5mSpike fract for v time  
vflag.a2.5mSpike fract for v time  
vflag.a3.5mSpike fract for v time  
vflag.a4.5mSpike fract for v time  
vflag.a5.5mSpike fract for v time  
vflag.a6.5mSpike fract for v time  
vflag.a7.5mSpike fract for v time  
vflag.a8.5mSpike fract for v time  
vflag.a9.5mSpike fract for v time  
vflag.b1.5.6mSpike fract for v time  
vflag.b2.5.6mSpike fract for v time  
vflag.b3.5.6mSpike fract for v time  
vflag.b4.5.6mSpike fract for v time  
vflag.b5.5.6mSpike fract for v time  
vflag.b6.5.6mSpike fract for v time  
vflag.b7.5.6mSpike fract for v time  
vflag.b8.5.6mSpike fract for v time  
vflag.b9.5.6mSpike fract for v time  
v.flux.9mSonic V Wind Compm/stime  
v'h2o'.flux.9mv h2o covariancem/s mmol/m3time  
v'o3'.flux.9m m/s voltstime  
v'tc'.a1.5mv tc covariancem/s degCtime  
v'tc'.a2.5mv tc covariancem/s degCtime  
v'tc'.a3.5mv tc covariancem/s degCtime  
v'tc'.a4.5mv tc covariancem/s degCtime  
v'tc'.a5.5mv tc covariancem/s degCtime  
v'tc'.a6.5mv tc covariancem/s degCtime  
v'tc'.a7.5mv tc covariancem/s degCtime  
v'tc'.a8.5mv tc covariancem/s degCtime  
v'tc'.a9.5mv tc covariancem/s degCtime  
v'tc'.b1.5.6mv tc covariancem/s degCtime  
v'tc'.b2.5.6mv tc covariancem/s degCtime  
v'tc'.b3.5.6mv tc covariancem/s degCtime  
v'tc'.b4.5.6mv tc covariancem/s degCtime  
v'tc'.b5.5.6mv tc covariancem/s degCtime  
v'tc'.b6.5.6mv tc covariancem/s degCtime  
v'tc'.b7.5.6mv tc covariancem/s degCtime  
v'tc'.b8.5.6mv tc covariancem/s degCtime  
v'tc'.b9.5.6mv tc covariancem/s degCtime  
v'tc'.flux.9mv tc covariancem/s degCtime  
v'v'.a1.5mv variance(m/s)^2time  
v'v'.a2.5mv variance(m/s)^2time  
v'v'.a3.5mv variance(m/s)^2time  
v'v'.a4.5mv variance(m/s)^2time  
v'v'.a5.5mv variance(m/s)^2time  
v'v'.a6.5mv variance(m/s)^2time  
v'v'.a7.5mv variance(m/s)^2time  
v'v'.a8.5mv variance(m/s)^2time  
v'v'.a9.5mv variance(m/s)^2time  
v'v'.b1.5.6mv variance(m/s)^2time  
v'v'.b2.5.6mv variance(m/s)^2time  
v'v'.b3.5.6mv variance(m/s)^2time  
v'v'.b4.5.6mv variance(m/s)^2time  
v'v'.b5.5.6mv variance(m/s)^2time  
v'v'.b6.5.6mv variance(m/s)^2time  
v'v'.b7.5.6mv variance(m/s)^2time  
v'v'.b8.5.6mv variance(m/s)^2time  
v'v'.b9.5.6mv variance(m/s)^2time  
v'v'.flux.9mv variance(m/s)^2time  
v'w'.a1.5mv w covariance(m/s)^2time  
v'w'.a2.5mv w covariance(m/s)^2time  
v'w'.a3.5mv w covariance(m/s)^2time  
v'w'.a4.5mv w covariance(m/s)^2time  
v'w'.a5.5mv w covariance(m/s)^2time  
v'w'.a6.5mv w covariance(m/s)^2time  
v'w'.a7.5mv w covariance(m/s)^2time  
v'w'.a8.5mv w covariance(m/s)^2time  
v'w'.a9.5mv w covariance(m/s)^2time  
v'w'.b1.5.6mv w covariance(m/s)^2time  
v'w'.b2.5.6mv w covariance(m/s)^2time  
v'w'.b3.5.6mv w covariance(m/s)^2time  
v'w'.b4.5.6mv w covariance(m/s)^2time  
v'w'.b5.5.6mv w covariance(m/s)^2time  
v'w'.b6.5.6mv w covariance(m/s)^2time  
v'w'.b7.5.6mv w covariance(m/s)^2time  
v'w'.b8.5.6mv w covariance(m/s)^2time  
v'w'.b9.5.6mv w covariance(m/s)^2time  
v'w'.flux.9mv w covariance(m/s)^2time  
w.a1.5mSonic W Wind Compm/stime  
w.a2.5mSonic W Wind Compm/stime  
w.a3.5mSonic W Wind Compm/stime  
w.a4.5mSonic W Wind Compm/stime  
w.a5.5mSonic W Wind Compm/stime  
w.a6.5mSonic W Wind Compm/stime  
w.a7.5mSonic W Wind Compm/stime  
w.a8.5mSonic W Wind Compm/stime  
w.a9.5mSonic W Wind Compm/stime  
waveht.a.12m mtime  
waveht.b.12m mtime  
waveht.c.12m mtime  
waveht'waveht'.a.12m (m)^2time  
waveht'waveht'.b.12m (m)^2time  
waveht'waveht'.c.12m (m)^2time  
w.b1.5.6mSonic W Wind Compm/stime  
w.b2.5.6mSonic W Wind Compm/stime  
w.b3.5.6mSonic W Wind Compm/stime  
w.b4.5.6mSonic W Wind Compm/stime  
w.b5.5.6mSonic W Wind Compm/stime  
w.b6.5.6mSonic W Wind Compm/stime  
w.b7.5.6mSonic W Wind Compm/stime  
w.b8.5.6mSonic W Wind Compm/stime  
w.b9.5.6mSonic W Wind Compm/stime  
w'co2'.flux.9m m/s mmol/m3time  
wflag.a1.5mSpike fract for w time  
wflag.a2.5mSpike fract for w time  
wflag.a3.5mSpike fract for w time  
wflag.a4.5mSpike fract for w time  
wflag.a5.5mSpike fract for w time  
wflag.a6.5mSpike fract for w time  
wflag.a7.5mSpike fract for w time  
wflag.a8.5mSpike fract for w time  
wflag.a9.5mSpike fract for w time  
wflag.b1.5.6mSpike fract for w time  
wflag.b2.5.6mSpike fract for w time  
wflag.b3.5.6mSpike fract for w time  
wflag.b4.5.6mSpike fract for w time  
wflag.b5.5.6mSpike fract for w time  
wflag.b6.5.6mSpike fract for w time  
wflag.b7.5.6mSpike fract for w time  
wflag.b8.5.6mSpike fract for w time  
wflag.b9.5.6mSpike fract for w time  
w.flux.9mSonic W Wind Compm/stime  
w'h2o'.flux.9mw h2o covariancem/s mmol/m3time  
w'o3'.flux.9m m/s voltstime  
w'tc'.a1.5mw tc covariancem/s degCtime  
w'tc'.a2.5mw tc covariancem/s degCtime  
w'tc'.a3.5mw tc covariancem/s degCtime  
w'tc'.a4.5mw tc covariancem/s degCtime  
w'tc'.a5.5mw tc covariancem/s degCtime  
w'tc'.a6.5mw tc covariancem/s degCtime  
w'tc'.a7.5mw tc covariancem/s degCtime  
w'tc'.a8.5mw tc covariancem/s degCtime  
w'tc'.a9.5mw tc covariancem/s degCtime  
w'tc'.b1.5.6mw tc covariancem/s degCtime  
w'tc'.b2.5.6mw tc covariancem/s degCtime  
w'tc'.b3.5.6mw tc covariancem/s degCtime  
w'tc'.b4.5.6mw tc covariancem/s degCtime  
w'tc'.b5.5.6mw tc covariancem/s degCtime  
w'tc'.b6.5.6mw tc covariancem/s degCtime  
w'tc'.b7.5.6mw tc covariancem/s degCtime  
w'tc'.b8.5.6mw tc covariancem/s degCtime  
w'tc'.b9.5.6mw tc covariancem/s degCtime  
w'tc'.flux.9mw tc covariancem/s degCtime  
w'w'.a1.5mw variance(m/s)^2time  
w'w'.a2.5mw variance(m/s)^2time  
w'w'.a3.5mw variance(m/s)^2time  
w'w'.a4.5mw variance(m/s)^2time  
w'w'.a5.5mw variance(m/s)^2time  
w'w'.a6.5mw variance(m/s)^2time  
w'w'.a7.5mw variance(m/s)^2time  
w'w'.a8.5mw variance(m/s)^2time  
w'w'.a9.5mw variance(m/s)^2time  
w'w'.b1.5.6mw variance(m/s)^2time  
w'w'.b2.5.6mw variance(m/s)^2time  
w'w'.b3.5.6mw variance(m/s)^2time  
w'w'.b4.5.6mw variance(m/s)^2time  
w'w'.b5.5.6mw variance(m/s)^2time  
w'w'.b6.5.6mw variance(m/s)^2time  
w'w'.b7.5.6mw variance(m/s)^2time  
w'w'.b8.5.6mw variance(m/s)^2time  
w'w'.b9.5.6mw variance(m/s)^2time  
w'w'.flux.9mw variance(m/s)^2time  
acc.x.5.6m voltstime  
acc.y.5.6m voltstime  
acc.z.5.6m voltstime  


Last modified: Wednesday, 15-Dec-2004
© NCAR/Earth Observing Laboratory
This page was prepared by Steven Oncley, NCAR Research Technology Facility