Variables Collected from NLAE Flux Sites

This page lists out variables collected on the 4 sites in this network. Each variable is not collected at every site.

Site Information:
IDUnitsDetails
batt_volt_avgVAverage battery voltage [V]
co2_avgmg/m^3Average carbon dioxide density [mg / m^3]
co2_wpl_hmg/(m^2 s)Carbon dioxide Webb et al. term due to (sonic) sensible heat flux [mg / {m^2 s}]
co2_wpl_lemg/(m^2 s)Carbon dioxide Webb et al. term due to latent heat flux [mg / {m^2 s}]
cov_co2_co2(mg/m^3)^2Variance of carbon dioxide density [(mg / m^3)^2]
cov_h2o_h2o(g/m^3)^2Variance of water vapor density from LI-7500 [(g / m^3)^2]
cov_ts_tsC^2Variance of sonic temperature [C^2]
cov_ux_co2mg/(m^2 s)Covariance of horizontal wind (x-axis) and carbon dioxide density [mg / {m^2 s}]
cov_ux_h2og/(m^2 s)Covariance of horizontal wind (x-axis) and water vapor density from LI-7500 [g / {m^2 s}]
cov_ux_tsm C/sCovariance of horizontal wind (x-axis) and sonic temperature [m C / s]
cov_ux_ux(m/s)^2Variance of horizontal wind (x-axis) [(m / s)^2]
cov_ux_uy(m/s)^2Covariance of horizontal winds (x-axis and y-axis) [(m / s)^2]
cov_uy_co2mg/(m^2 s)Covariance of horizontal wind (x-axis) and carbon dioxide density [mg / {m^2 s}]
cov_uy_h2og/(m^2 s)Covariance of horizontal wind (y-axis) and water vapor density from LI-7500 [g / {m^2 s}]
cov_uy_tsm C/sCovariance of horizontal wind (y-axis) and sonic temperature [m C / s]
cov_uy_uy(m/s)^2Variance of horizontal wind (y-axis) [(m / s)^2]
cov_uz_co2mg/(m^2 s)Covariance of vertical wind and carbon dioxide density [mg / {m^2 s}]
cov_uz_h2og/(m^2 s)Covariance of vertical wind and water vapor density from LI-7500 [g / {m^2 s}]
cov_uz_tsm C/sCovariance of vertical wind and sonic temperature [m C / s]
cov_uz_ux(m/s)^2Covariance of vertical wind and horizontal wind (x-axis) [(m / s)^2]
cov_uz_uy(m/s)^2Covariance of vertical wind and horizontal wind (y-axis) [(m / s)^2]
cov_uz_uz(m/s)^2Variance of vertical wind [(m / s)^2]
fc_irgamg/(m^2 s)Carbon dioxide flux without the Webb et al. term [mg / {m^2 s}]
fc_wplmg/(m^2 s)Carbon dioxide flux
h2o_avgg/m^3Average water vapor density from LI-7500 [g / m^3]
h2o_hmp_avgg/m^3Average water vapor density from HMP45C [g / m^3]
h2o_wpl_hW/m^2Water vapor Webb et al. term due to (sonic) sensible heat flux [W / m^2]
h2o_wpl_leW/m^2Water vapor Webb et al. term due to latent heat flux [W / m^2]
hsW/m^2Sensible heat flux using sonic temperature [W / m^2]
incoming_lw_tcorW/m^2Incoming [towards earth] Temp. Corrected Longwave Radiation from CNR-1 [W/m^2]
incoming_swW/m^2Incoming [towards earth]Shortwave Radiation from CNR-1 [W/m^2]
irt_can_avgCAverage Canopy Temp. form IRT [Deg C]
irt_cb_avgCAverage IRT body Temp. Used in Apogee correction [Deg C]
le_irgaW/m^2Latent heat flux without the Webb et al. term [W / m^2]
le_wplW/m^2Latent heat flux
outgoing_swW/m^2Outgoing [away from earth] Shortwave Radiation from CNR-1 [W/m^2]
panel_temp_avgCAverage CR5000 panel temperature [C]
par_avgumol/m^2/sAverage Photoactive radiation
press_avgkPaAverage barometric pressure from LI-7500 [kPa]
rain_totmmTotal rainfall during period [mm]
rho_a_avgkg/m^3Average air density [kg / m^3]
rn_long_avgW/m^2Total Longwave Radiation [W/m^2]
rn_short_avgW/m^2Total Shortwave Radiation [W/m^2]
rn_total_avgW/m^2Net Radiation [W/m^2]
rslt_wnd_spdm/sResultant horizontal wind speed [m / s]
shf1_avgW/m^2Average Soil Heat Flux in row [W/m^2]
shf2_avgW/m^2Average Soil Heat Flux between row [W/m^2]
soiltc1_avgCAverage Soil Temp 2cm [Deg C]
soiltc2_avgCAverage Soil Temp 6cm [Deg C]
soiltc3_avgCAverage Soil Temp 2cm [Deg C]
soiltc4_avgCAverage Soil Temp 6cm [Deg C]
solrad_avgW/m^2Average Solar radiation
std_wnd_dirdegreesStandard deviation of wind direction [degrees]
taukg/(m s^2)Momentum flux [kg / {m s^2}]
terrest_lw_tcorW/m^2Outgoing [away from earth] Temp. Corrected Longwave Radiation from CNR-1 [W/m^2]
t_hmp_avgCAverage HMP45C temperature [C]
ts_avgCAverage sonic temperature [C]
u_starm/sFriction velocity [m / s]
ux_avgm/sAverage horizontal wind (x-axis) [m / s]
uy_avgm/sAverage horizontal wind (y-axis) [m / s]
uz_avgm/sAverage vertical wind [m / s]
wnd_dir_compassdegreesWind direction using compass coordinate system [degrees]
wnd_dir_csat3degreesWind direction using the CSAT3’s right handed coordinate system [degrees]
wnd_spdm/sHorizontal wind speed [m / s]