Variables in CuPIDO 5-Minute Data Set and High-Rate Data Set

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
Channel.GOES	GOES Channel Number (neg=West, pos=East)		time x station
ClockError.GOES	Actual-expected packet receipt time	sec	time x station
FreqOffset.GOES	Offset from assigned GOES center frequency	Hz	time x station
Gsoil	Soil Heat Flux	W/m^2	time x station
MsgStatus.GOES	0=GOOD		time x station
P.2m	Barometric Pressure	mb	time x station
Qsoil	Soil Moisture	vol%	time x station
RH.2m	Rel. Humidity	%	time x station
Rain		.01in/5sec	time x station
Rnet	Net Radiation	W/m^2	time x station
Rpile.in	Up-looking Thermopile	W/m^2	time x station
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
Signal.GOES	Received GOES signal strength	dBm	time x station
Spd_max.10m		m/s	time x station
T.2m	Air Temp	degC	time x station
Tau63_max		s	time x station
Tbaro.2m		degC	time x station
Tcase.in	Up-looking Case Temp	degC	time x station
Tcase.out	Down-looking Case Temp	degC	time x station
Tdome.in	Up-looking Dome Temp	degC	time x station
Tdome.out	Down-looking Dome Temp	degC	time x station
Tsoil	Soil Temperature	degC	time x station
Tsurf		degC	time x station
U.10m	Eastward Wind	m/s	time x station
V.10m	Northward Wind	m/s	time x station
Vbatt.2m	Battery Voltage	V	time x station
Vbatt.rad	Battery Voltage	V	time x station
Vheat_max		V	time x station
Vpile_max		mV	time x station
co2.7m		mmol/m^3	time x station
counts_7m			time x station
counts_co2			time x station
counts_kh2o			time x station
diag.7m			time x station
elevation	Elevation	m	station
h2o.7m	Water Vapor Density	mmol/m^3	time x station
kh2o.7m		g/m^3	time x station
kh2oV.7m		V	time x station
latitude	Degrees N Latitude	deg	station
longitude	Degrees E Longitude	deg	station
tc.7m	Virtual Temperature	degC	time x station
u'w'.7m	u w covariance	(m/s)^2	time x station
u.7m	Sonic U Wind Comp	m/s	time x station
v'w'.7m	v w covariance	(m/s)^2	time x station
v.7m	Sonic V Wind Comp	m/s	time x station
w'co2'.7m		m/s mmol/m^3	time x station
w'h2o'.7m	w h2o covariance	m/s mmol/m^3	time x station
w'kh2o'.7m		m/s g/m^3	time x station
w'tc'.7m	w tc covariance	m/s degC	time x station
w'w'.7m	w variance	(m/s)^2	time x station
w.7m	Sonic W Wind Comp	m/s	time x station