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Appendix C. EasyFlux
®
DL CR6KH20
C-35
TABLE C-22. Data Fields in the Flux_Notes Output Table
Data Field Name
Units
Description
Data Field
Included
rho_d_probe
g·m
-3
Average density of dry air calculated
from temp/RH probe data
Always
rho_a_probe
kg·m
-3
Average density of ambient moist air
calculated from temp/RH probe data
Always
Cp
J·kg
-1·
K
-1
Specific heat of ambient (moist) air at
constant pressure
Always
Lv
J·g
-1
Latent heat of vaporization
Always
T_panel
deg C
Average temperature of the data-logger
wiring panel
Always
batt_volt
volt
Average battery voltage supplying
power to the data logger
Always
slowsequence_Tot
count
Number of slow sequences during the
averaging interval (for example, the
number of times biomet and energy
balance sensors were measured)
Always
nr01_heater_secs
s
Number of seconds NR01 heater was
powered in interval
If NR01 used
cnr4_fan_secs
s
Number of seconds CNR4 fan was
powered in interval
If CNR4 used
cnr4_fan_freq_max
Hz
Maximum frequency of CNR4 fan in
interval
If CNR4 used
cnr4_fan_freq_min
Hz
Minimum frequency of CNR4 fan in
interval
If CNR4 used
cnr4_heater_1_secs
s
Number of seconds CNR4 heater #1
was powered in interval
If CNR4 used
cnr4_heater_2_secs
s
Number of seconds CNR4 heater #2
was powered in interval
If CNR4 used
sn500_heater_secs
s
Number of seconds SN500SS heater
was powered in interval
If SN500SS
used
V_CS320
mV
Average raw voltage output from
CS320
If CS320 used
T_CS320
deg C
Average temperagure of CS320
If CS320 used
X_incline
decimal deg Average incline with respect to sensor
x-axis
If CS320 used
Y_incline
decimal deg Average incline with respect to sensor
y-axis
If CS320 used
Z_incline
decimal deg Average incline with respect to sensor
z-axis
If CS320 used
shfp_cal_x_1_1
W·m
-2·
mV
-1
Calibration multiplier currently used for
soil heat flux plates; x is an index
indicating the number of sensors
If HFP01 or
HFP01SC
used