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Appendix C. EasyFlux
®
DL CR6KH20
C-24
TABLE C-20. Data Fields in the Flux_AmeriFluxFormat Output Table
Data Field Name
Units
Description
Data Field
Included
U_SIGMA
m·s
-1
Standard deviation of streamwise
wind
Always
V
m·s
-1
Average crosswind
Always
V_SIGMA
m·s
-1
Standard deviation of crosswind
Always
W
m·s
-1
Average vertical wind
Always
W_SIGMA
m·s
-1
Standard deviation of vertical
wind
Always
PA
kPa
Atmospheric Pressure
Always
TA_1_1_1
deg C
Air temperature from temp/RH
probe
Always
RH_1_1_1
%
Relative humidity from temp/RH
probe
Always
T_DP_1_1_1
deg C
Dewpoint temperature from
temp/RH probe
Always
VPD
hPa
Vapor pressure deficit
Always
T_SONIC
deg C
Average sonic temperature
Always
T_SONIC_SIGMA
deg C
Standard deviation of sonic
temperature
Always
PBLH
m
Estimated planetary boundary
layer height
Always
SWC_x_1_1
%
Soil water content. x is an index
for the number of soil sensors.
If CS65X used
TS_x_1_1
deg C
Soil temperature. x is an index for
the number of soil temperature
measurements made.
If TCAV or CS65X
used.
ALB
none
Albedo
If SN500SS, NR01,
or CNR4 used
NETRAD
W·m
-2
Net radiation
If SN500SS, NR01,
CNR4, or NRlit2
used
PPFD_IN
µmol·m
-2
·s
-1
Photosynthetic photon density
If CS310 used
SW_IN
W·m
-2
Incoming shortwave radiation
If SN500SS, NR01,
CNR4, CS301, or
CS320 used
SW_OUT
W·m
-2
Outgoing shortwave radiation
If SN500SS, NR01,
or CNR4 used
LW_IN
W·m
-2
Incoming longwave radiation
If SN500SS, NR01,
or CNR4 used
LW_OUT
W·m
-2
Outgoing longwave radiation
If SN500SS, NR01,
or CNR4 used
P
mm
Precipitation in output interval
If TE525 used
T_CANOPY
deg C
Canopy temperature
If SI111 used