DQRID : D161202.9
Start DateStart TimeEnd DateEnd Time
09/10/2016223009/12/20161900
more
Subject:
SGP/CO2FLX/C1 - Instrument
DataStreams:sgpco2flx4mC1.00, sgp30co2flx4mC1.a1, sgpco2flx60mC1.00, sgpco2flxsoilC1.00,
sgpco2flxwind60mC1.a1, sgp30co2flx60mC1.a1, sgp30co2flx25mC1.00, sgpco2flx25mC1.b1,
sgpco2flx4mC1.b1, sgpco2flxsoilauxC1.b1, sgpco2flx60mC1.b1, sgpco2flxwind25mC1.a1, sgpco2flxradC1.00,
sgpco2flx25mC1.00, sgpco2flxsoilC1.b1, sgpco2flxwind4mC1.a1, sgpco2flxrad4mC1.b1,
sgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx60mC1.00, sgp30co2flx4mC1.00,
sgp30co2flx25mC1.a1, sgpco2flxgas4mC1.a1, sgp30co2flx60mC1.b1, sgp30co2flx4mmetC1.b1
Description:
REQUIRED
Suggestions: 
Measurements:sgpco2flx60mC1.b1:
  • Surface sensible heat flux(sensible_heat_flux)
  • Dew point temperature(dew_point_temperature)
  • -180.0 - +180.0(alt)
  • Covariance between vertical_wind and variable scaling_temperature(scaling_temperature_covariance)
  • Corrected momentum flux(momentum_flux)
  • North Latitude(lat)
  • Bowen ratio(bowen_ratio)
  • Wind component along the v anemometer axis(northward_wind_unrotated)
  • Monin-Obukov length(monin_obukov_length)
  • Molar volume of ambient air(air_molar_volume)
  • Density of ambient air(air_density)
  • Number of spikes detected and eliminated for upward wind(vertical_wind_spikes)
  • Time offset from base_time(time_offset)
  • Random error for sensible heat flux(random_error_sensible_heat_flux)
  • Rotated u wind component (mean wind speed)(eastward_wind)
  • Spectral correction factor for sensible heat flux(sensible_heat_flux_spectral_correction_factor)
  • Quality check results on field: Sensible heat flux(qc_sensible_heat_flux)
  • Maximum instantaneous wind speed(max_wind_speed)
  • Rotated v wind component(northward_wind)
  • Monin-Obukov stability parameter(monin_obukov_stability_parameter)
  • Uncorrected momentum flux(momentum_flux_uncorrected)
  • Variance of scaling temperature(scaling_temperature_variance)
  • Uncorrected sensible heat flux(sensible_heat_flux_uncorrected)
  • Variance of vertical wind(vertical_wind_variance)
  • Spectral correction factor for momentum flux(momentum_flux_spectral_correction_factor)
  • Quality check results on field: Corrected momentum flux(qc_momentum_flux)
  • time_in_seconds_since_volume_start(time)
  • Random error for momentum flux(random_error_momentum_flux)
  • Temperature(air_temperature)
  • Variance of northward wind(northward_wind_variance)
  • Wind component along the u anemometer axis(eastward_wind_unrotated)
  • Pitch, bow up positive(pitch)
  • Rotated w wind component(vertical_wind)
  • Number of spikes detected and eliminated for eastward wind(eastward_wind_spikes)
  • Wind speed 5m AGL at the ground station(wind_speed)
  • Direction from which the wind blows, with respect to Geographic or Magnetic
    north(wind_direction)
  • Scaling temperature(scaling_temperature)
  • Specific head at constant pressure of ambient air(air_heat_capacity)
  • Ship yaw, axis vertical, positive is clockwise rotation(yaw)
  • Time range for the hourly averages, in time offset from midnight(time_bounds)
  • Mean pressure of ambient air, either calculated from high frequency air pressure
    readings or estimated from on site altitude (barometric pressure(air_pressure)
  • Friction velocity(friction_velocity)
  • lon(lon)
  • base time in epoch(base_time)
  • Wind component along the w anemometer axis(vertical_wind_unrotated)
  • Turbulent kinetic energy(turbulent_kinetic_energy)
  • Variance of eastward wind(eastward_wind_variance)
  • Mean temperature of ambient air as measured by the anemometer(sonic_temperature)
  • Number of spikes detected and eliminated for variable sonic temperature(sonic_temperature_spikes)
  • Number of spikes detected and eliminated for northward wind(northward_wind_spikes)
  • Number of spikes detected and eliminated for variable scaling temperature(scaling_temperature_spikes)
more
sgpco2flx25mC1.00:
  • (Raw data stream - documentation not supported)
more
sgp30co2flx4mC1.b1:
  • variance of t(var_t)
  • variance of c(var_c)
  • variance of q(var_q)
  • longitude of instument location(site_longitude)
  • additive WPL LE correction to c flux(fc_wpl_le)
  • friction velocity(ustar)
  • height of instument from tower base(zm)
  • mean co2 concentration (c)(mean_c)
  • WPL corrected CO2 flux(fc_corr)
  • latitude of instument location(site_latitude)
  • Wind Direction(wdir)
  • mean water vapor concentration (q)(mean_q)
  • mean IRGA pressure(mean_p)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • start of integration interval(yyyydddhhmmss)
  • Monin-Obukhov length scale(Lmoni)
  • WPL corrected latent heat flux(le)
  • fractional day of the year(doy)
  • corrected sensible heat flux(h)
  • height of base of instrument tower(site_elevation)
  • Rotated variance u(var_rot_u)
  • variance of v(var_rot_v)
  • rotated variance w(var_rot_w)
  • Time offset from base_time(time_offset)
  • Rotated mean u(mean_rot_u)
  • additive WPL H correction to c flux(fc_wpl_h)
  • rotation to zero v(phi)
  • rotation to zero w(theta)
  • base time in epoch(base_time)
more
sgpco2flxwind4mC1.a1:
  • Vertical wind component(w_wind)
  • North Latitude(lat)
  • -180.0 - +180.0(alt)
  • Mean temperature of ambient air as measured by the anemometer(sonic_temperature)
  • base time in epoch(base_time)
  • Easterly Wind Component(u_wind)
  • lon(lon)
  • time_in_seconds_since_volume_start(time)
  • V wind component(v_wind)
  • Time offset from base_time(time_offset)
more
sgp30co2flx25mC1.a1:
  • kurtosis of variable c(kurt_c)
  • kurtosis of variable q(kurt_q)
  • Kurtosis of variable mean_t(kurt_t)
  • rotated covariance vq(cvar_rot_vq)
  • rotated covariance vw(cvar_rot_vw)
  • Rotated covariance vt(cvar_rot_vt)
  • Rotated covariance wc(cvar_rot_wc)
  • variance of c(var_c)
  • rotated covariance wt(cvar_rot_wt)
  • rotated covariance wq(cvar_rot_wq)
  • height of instument from tower base(zm)
  • rotated covariance uc(cvar_rot_uc)
  • rotated mean w(mean_rot_w)
  • rotated mean v(mean_rot_v)
  • Rotated mean u(mean_rot_u)
  • Rotated covariance uq(cvar_rot_uq)
  • Time offset from base_time(time_offset)
  • rotated covariance uv(cvar_rot_uv)
  • Rotated covariance ut(cvar_rot_ut)
  • rotated covariance uw(cvar_rot_uw)
  • Rotated covariance vc(cvar_rot_vc)
  • skewness of unrotated variable w(skew_unrot_w)
  • skewness of unrotated variable v(skew_unrot_v)
  • skewness of unrotated variable u(skew_unrot_u)
  • start of integration interval(yyyydddhhmmss)
  • longitude of instument location(site_longitude)
  • variance of t(var_t)
  • variance of q(var_q)
  • covariance of tq(cvar_tq)
  • Covariance tc(cvar_tc)
  • Covariance qc(cvar_qc)
  • skewness of variable c(skew_c)
  • number of out of range values and spikes of c see
    \'min\',\'max\',\'spike_condition\' attributes of c(nspk_c)
  • number of out of range values and spikes of t see
    \'min\',\'max\',\'spike_condition\' attributes of t(nspk_t)
  • kurtosis of unrotated variable u(kurt_unrot_u)
  • kurtosis of unrotated variable v(kurt_unrot_v)
  • number of out of range values and spikes of q see
    \'min\',\'max\',\'spike_condition\' attributes of q(nspk_q)
  • kurtosis of unrotated variable w(kurt_unrot_w)
  • skewness of variable t(skew_t)
  • skewness of variable q(skew_q)
  • unrotated covariance of uw(cvar_unrot_uw)
  • unrotated covariance of uv(cvar_unrot_uv)
  • unrotated covariance of ut(cvar_unrot_ut)
  • unrotated covariance of uq(cvar_unrot_uq)
  • unrotated covariance of vc(cvar_unrot_vc)
  • mean vertical wind speed (w), unrotated(mean_unrot_w)
  • mean east wind speed (v), unrotated(mean_unrot_v)
  • unrotated covariance of vw(cvar_unrot_vw)
  • number of out of range values and spikes of unrotated v see
    \'min\',\'max\',\'spike_condition\' attributes of v(nspk_unrot_v)
  • mean north wind speed (u), unrotated(mean_unrot_u)
  • number of out of range values and spikes of unrotated u see
    \'min\',\'max\',\'spike_condition\' attributes of u(nspk_unrot_u)
  • unrotated covariance of vt(cvar_unrot_vt)
  • unrotated covariance of vq(cvar_unrot_vq)
  • number of out of range values and spikes of unrotated w see
    \'min\',\'max\',\'spike_condition\' attributes of w(nspk_unrot_w)
  • unrotated covariance of wc(cvar_unrot_wc)
  • mean value of out of range values and spikes of unrotated w -9999 if no spikes(mean_spk_unrot_w)
  • mean value of out of range values and spikes of unrotated u -9999 if no spikes(mean_spk_unrot_u)
  • mean value of out of range values and spikes of unrotated v -9999 if no spikes(mean_spk_unrot_v)
  • unrotated covariance of wt(cvar_unrot_wt)
  • unrotated covariance of wq(cvar_unrot_wq)
  • mean co2 concentration (c)(mean_c)
  • mean IRGA pressure(mean_p)
  • mean water vapor concentration (q)(mean_q)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • rotation to zero w(theta)
  • rotation to zero v(phi)
  • variance of variable unrotated u(var_unrot_u)
  • variance of variable unrotated v(var_unrot_v)
  • height of base of instrument tower(site_elevation)
  • variance of variable unrotated w(var_unrot_w)
  • rotated variance w(var_rot_w)
  • Rotated variance u(var_rot_u)
  • variance of v(var_rot_v)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • Mean value of "spike" t samples(mean_spk_t)
  • unrotated covariance of uc(cvar_unrot_uc)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • base time in epoch(base_time)
  • latitude of instument location(site_latitude)
more
sgp30co2flx60mC1.a1:
  • rotation to zero v(phi)
  • variance of t(var_t)
  • mean east wind speed (v), unrotated(mean_unrot_v)
  • mean north wind speed (u), unrotated(mean_unrot_u)
  • mean vertical wind speed (w), unrotated(mean_unrot_w)
  • height of instument from tower base(zm)
  • longitude of instument location(site_longitude)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • mean IRGA pressure(mean_p)
  • mean water vapor concentration (q)(mean_q)
  • mean co2 concentration (c)(mean_c)
  • Rotated variance u(var_rot_u)
  • variance of v(var_rot_v)
  • rotated variance w(var_rot_w)
  • latitude of instument location(site_latitude)
  • base time in epoch(base_time)
  • variance of q(var_q)
  • variance of c(var_c)
  • rotated covariance wt(cvar_rot_wt)
  • rotated covariance wq(cvar_rot_wq)
  • mean value of out of range values and spikes of unrotated u -9999 if no spikes(mean_spk_unrot_u)
  • mean value of out of range values and spikes of unrotated v -9999 if no spikes(mean_spk_unrot_v)
  • mean value of out of range values and spikes of unrotated w -9999 if no spikes(mean_spk_unrot_w)
  • Rotated covariance wc(cvar_rot_wc)
  • Rotated covariance vt(cvar_rot_vt)
  • rotated covariance vq(cvar_rot_vq)
  • variance of variable unrotated w(var_unrot_w)
  • rotated covariance vw(cvar_rot_vw)
  • variance of variable unrotated u(var_unrot_u)
  • variance of variable unrotated v(var_unrot_v)
  • Rotated covariance vc(cvar_rot_vc)
  • height of base of instrument tower(site_elevation)
  • unrotated covariance of wc(cvar_unrot_wc)
  • unrotated covariance of vt(cvar_unrot_vt)
  • unrotated covariance of vw(cvar_unrot_vw)
  • Rotated covariance uq(cvar_rot_uq)
  • unrotated covariance of wq(cvar_unrot_wq)
  • unrotated covariance of wt(cvar_unrot_wt)
  • rotated covariance uv(cvar_rot_uv)
  • rotated covariance uw(cvar_rot_uw)
  • Rotated covariance ut(cvar_rot_ut)
  • number of out of range values and spikes of c see
    \'min\',\'max\',\'spike_condition\' attributes of c(nspk_c)
  • rotated covariance uc(cvar_rot_uc)
  • unrotated covariance of vc(cvar_unrot_vc)
  • Covariance tc(cvar_tc)
  • unrotated covariance of ut(cvar_unrot_ut)
  • covariance of tq(cvar_tq)
  • unrotated covariance of uv(cvar_unrot_uv)
  • unrotated covariance of uw(cvar_unrot_uw)
  • unrotated covariance of vq(cvar_unrot_vq)
  • Covariance qc(cvar_qc)
  • number of out of range values and spikes of t see
    \'min\',\'max\',\'spike_condition\' attributes of t(nspk_t)
  • number of out of range values and spikes of q see
    \'min\',\'max\',\'spike_condition\' attributes of q(nspk_q)
  • unrotated covariance of uq(cvar_unrot_uq)
  • unrotated covariance of uc(cvar_unrot_uc)
  • rotated mean w(mean_rot_w)
  • rotated mean v(mean_rot_v)
  • Rotated mean u(mean_rot_u)
  • skewness of variable q(skew_q)
  • skewness of variable t(skew_t)
  • skewness of variable c(skew_c)
  • skewness of unrotated variable u(skew_unrot_u)
  • skewness of unrotated variable w(skew_unrot_w)
  • skewness of unrotated variable v(skew_unrot_v)
  • start of integration interval(yyyydddhhmmss)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • Mean value of "spike" t samples(mean_spk_t)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • kurtosis of unrotated variable v(kurt_unrot_v)
  • kurtosis of unrotated variable w(kurt_unrot_w)
  • kurtosis of unrotated variable u(kurt_unrot_u)
  • rotation to zero w(theta)
  • Kurtosis of variable mean_t(kurt_t)
  • kurtosis of variable q(kurt_q)
  • kurtosis of variable c(kurt_c)
  • Time offset from base_time(time_offset)
  • number of out of range values and spikes of unrotated w see
    \'min\',\'max\',\'spike_condition\' attributes of w(nspk_unrot_w)
  • number of out of range values and spikes of unrotated v see
    \'min\',\'max\',\'spike_condition\' attributes of v(nspk_unrot_v)
  • number of out of range values and spikes of unrotated u see
    \'min\',\'max\',\'spike_condition\' attributes of u(nspk_unrot_u)
more
sgp30co2flx4mmetC1.b1:
  • standard error of mean_t_soil_upper note maximum of two values used in
    calculation(stderr_mean_t_soil_upper)
  • depth of upper t soil probesm(z_t_soil_upper)
  • Total precipitation over one minute sampling period(precip)
  • friction velocity(ustar)
  • standard error of mean_t_soil_middle note maximum of two values used in
    calculation(stderr_mean_t_soil_middle)
  • rotation to zero v(phi)
  • downwelling shortwave hemispheric irradiance t_rad corrected(r_down_short_hemisp)
  • base time in epoch(base_time)
  • fractional day of the year(doy)
  • depth of upper m soil probesm(z_m_soil_upper)
  • total downwelling shortwave radiation (LI-200 sensor)(r_tot)
  • mean air temperature, lower level(t_air_lower)
  • standard error of mean_m_soil_upper(stderr_mean_m_soil_upper)
  • standard error of mean_m_soil_lower(stderr_mean_m_soil_lower)
  • average of four upper soil moisture sensors(mean_m_soil_upper)
  • height of instument from tower base(zm)
  • downwelling longwave hemispheric irradiance t_rad corrected(r_down_long_hemisp)
  • mean relative humidity, lower level(rh_lower)
  • rotated variance w(var_rot_w)
  • variance of v(var_rot_v)
  • Rotated variance u(var_rot_u)
  • mean IRGA pressure(mean_p)
  • mean water vapor concentration (q)(mean_q)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • standard error of mean_g_soil(stderr_mean_g_soil)
  • WPL corrected CO2 flux(fc_corr)
  • mean co2 concentration (c)(mean_c)
  • height of lower RH/T sensor(z_lower)
  • Monin-Obukhov length scale(Lmoni)
  • average of two lower soil temperature sensors(mean_t_soil_lower)
  • rotation to zero w(theta)
  • additive WPL LE correction to c flux(fc_wpl_le)
  • photosynthetic photon flux density (PAR)(ppfd)
  • additive WPL H correction to c flux(fc_wpl_h)
  • depth of middle t soil probesm(z_t_soil_middle)
  • depth of soil heat flux probes(z_g_soil)
  • height of upper RH/T sensor(z_upper)
  • height of radiation instruments(zrad)
  • photosynthetic photon flux density (PAR)(ppfd_up)
  • mean relative humidity, upper level(rh_upper)
  • variance of t(var_t)
  • upwelling longwave hemispheric irradiance t_rad corrected(r_up_long_hemisp)
  • variance of q(var_q)
  • mean air temperature, upper level(t_air_upper)
  • variance of c(var_c)
  • upwelling shortwave hemispheric irradiance t_rad corrected(r_up_short_hemisp)
  • average of four lower soil moisture sensors(mean_m_soil_lower)
  • height of base of instrument tower(site_elevation)
  • radiometer body temperature (for longwave correction)(t_rad)
  • start of integration interval(yyyydddhhmmss)
  • Barometric pressure(bar_pres)
  • latitude of instument location(site_latitude)
  • corrected sensible heat flux(h)
  • Rotated mean u(mean_rot_u)
  • average of up to four soil heat flux sensors(mean_g_soil)
  • depth of lower m soil probesp(z_m_soil_lower)
  • longitude of instument location(site_longitude)
  • standard error of mean_t_soil_lower note maximum of two values used in
    calculation(stderr_mean_t_soil_lower)
  • WPL corrected latent heat flux(le)
  • average of two middle soil temperature sensors(mean_t_soil_middle)
  • net solar radiation (NR-lite)(r_net)
  • average of two upper soil temperature sensors(mean_t_soil_upper)
  • Time offset from base_time(time_offset)
  • Wind Direction(wdir)
  • depth of lower t soil probesm(z_t_soil_lower)
more
sgpco2flxrad4mC1.b1:
  • -180.0 - +180.0(alt)
  • North Latitude(lat)
  • Quality check results on field: Output of the thermopile infrared detector(qc_thermopile_infrared_detector)
  • Quality check results on field: Ambient surface temperature(qc_surface_temperature)
  • Quality check results on field: Total solar radiation(qc_total_solar)
  • Quality check results on field: Broadband downwelling shortwave irradiance from
    sum or global pyranometer(qc_downwelling_shortwave)
  • CNR4 sensor body temperature(CNR4_temperature)
  • Battery minimum in 1 minute interval(battery_minimum)
  • Quality check results on field: Upwelling shortwave radiation(qc_upwelling_shortwave)
  • time_in_seconds_since_volume_start(time)
  • Quality check results on field: Downwelling direct shortwave radiation(qc_downwelling_direct_shortwave)
  • Downwelling shortwave radiation(downwelling_shortwave)
  • Total solar radiation(total_solar)
  • Quality check results on field: Downwelling longwave irradiance from pyrgeometer(qc_downwelling_longwave)
  • Quality check results on field: Downwelling diffuse shortwave radiation(qc_downwelling_diffuse_shortwave)
  • Time offset from base_time(time_offset)
  • Upwelling longwave(upwelling_longwave)
  • Downwelling longwave irradiance from pyrgeometer(downwelling_longwave)
  • Quality check results on field: Upwelling photosynthetic active radiation(qc_upwelling_photosynthetic_active_radiation)
  • Quality check results on field: Upwelling longwave(qc_upwelling_longwave)
  • Ambient surface absolute temperature(surface_temperature)
  • Downwelling direct shortwave radiation(downwelling_direct_shortwave)
  • Panel temperature(panel_temperature)
  • Output of the thermopile infrared detector(thermopile_infrared_detector)
  • base time in epoch(base_time)
  • Upwelling photosynthetic active radiation(upwelling_photosynthetic_active_radiation)
  • Quality check results on field: CNR4 sensor body temperature(qc_CNR4_temperature)
  • Quality check results on field: SI-111 sensor body temperature(qc_si_sensor_body_temperature)
  • Downwelling photosynthetic active radiation(downwelling_photosynthetic_active_radiation)
  • Quality check results on field: Downwelling photosynthetic active radiation(qc_downwelling_photosynthetic_active_radiation)
  • SI-111 sensor body temperature(si_sensor_body_temperature)
  • lon(lon)
  • Downwelling diffuse shortwave radiation(downwelling_diffuse_shortwave)
  • Upwelling shortwave radiation(upwelling_shortwave)
more
sgpco2flxsoilauxC1.b1:
  • Auxiliary volumetric water content(auxiliary_volumetric_water_content)
  • Battery minimum in 1 minute interval(battery_minimum)
  • Barometric pressure(atmospheric_pressure)
  • base time in epoch(base_time)
  • Relative humidity calculated from the merged water vapor mixing ratio data(relative_humidity)
  • Auxiliary voltage ratio(auxiliary_voltage_ratio)
  • Auxiliary bulk soil relative dielectric permittivity(auxiliary_permittivity)
  • Quality check results on field: Auxiliary soil temperature(qc_auxiliary_soil_temperature)
  • Panel temperature(panel_temperature)
  • Ambient air temperature(ambient_air_temperature)
  • Quality check results on field: Auxiliary voltage ratio(qc_auxiliary_voltage_ratio)
  • Auxiliary signal oscillation period(auxiliary_signal_oscillation_period)
  • Sensor depth(sensor_depth)
  • -180.0 - +180.0(alt)
  • Quality check results on field: Auxiliary signal oscillation period(qc_auxiliary_signal_oscillation_period)
  • North Latitude(lat)
  • Auxiliary bulk soil electrical conductivity(auxiliary_soil_electrical_conductivity)
  • Quality check results on field: Auxiliary bulk soil relative dielectric
    permittivity(qc_auxiliary_permittivity)
  • time_in_seconds_since_volume_start(time)
  • Precipitation rate(precipitation_rate)
  • Auxiliary soil temperature(auxiliary_soil_temperature)
  • Quality check results on field: Auxiliary volumetric water content(qc_auxiliary_volumetric_water_content)
  • lon(lon)
  • Time offset from base_time(time_offset)
  • Quality check results on field: Auxiliary bulk soil electrical conductivity(qc_auxiliary_soil_electrical_conductivity)
more
sgpco2flx4mC1.00:
  • (Raw data stream - documentation not supported)
more
sgpco2flxradC1.00:
  • (Raw data stream - documentation not supported)
more
sgp30co2flx4mC1.00:
  • (Raw data stream - documentation not supported)
more
sgpco2flxsoilC1.b1:
  • Raw signal oscillation period(raw_signal_oscillation_period)
  • Quality check results on field: Calibrated soil heat flux(qc_calibrated_soil_heat_flux)
  • Measured soil heat flux(measured_soil_heat_flux)
  • Calibrated soil heat flux(calibrated_soil_heat_flux)
  • base time in epoch(base_time)
  • Quality check results on field: Raw volumetric water content(qc_raw_volumetric_water_content)
  • Raw soil temperature(raw_soil_temperature)
  • Quality check results on field: Raw signal oscillation period(qc_raw_signal_oscillation_period)
  • Calibration status flag(calibration_flag)
  • Raw bulk soil relative dielectric permittivity(raw_permittivity)
  • Raw voltage ratio(raw_voltage_ratio)
  • lon(lon)
  • Quality check results on field: Raw bulk soil relative dielectric permittivity(qc_raw_permittivity)
  • Quality check results on field: Measured soil heat flux(qc_measured_soil_heat_flux)
  • time_in_seconds_since_volume_start(time)
  • Heat flux sensor depth(heat_flux_sensor_depth)
  • Raw bulk soil electrical conductivity(raw_soil_electrical_conductivity)
  • Raw volumetric water content(raw_volumetric_water_content)
  • Quality check results on field: Raw voltage ratio(qc_raw_voltage_ratio)
  • Time offset from base_time(time_offset)
  • Quality check results on field: Raw bulk soil electrical conductivity(qc_raw_soil_electrical_conductivity)
  • -180.0 - +180.0(alt)
  • Sensor depth(sensor_depth)
  • Quality check results on field: Raw soil temperature(qc_raw_soil_temperature)
  • North Latitude(lat)
more
sgp30co2flx25mC1.00:
  • (Raw data stream - documentation not supported)
more
sgp30co2flx60mC1.00:
  • (Raw data stream - documentation not supported)
more
sgpco2flx4mC1.b1:
  • Wind component along the v anemometer axis(northward_wind_unrotated)
  • time_in_seconds_since_volume_start(time)
  • Rotated w wind component(vertical_wind)
  • Pitch, bow up positive(pitch)
  • Dew point temperature(dew_point_temperature)
  • Molar volume of ambient air(air_molar_volume)
  • Corrected h2o flux(h2o_flux)
  • Variance of h2o(h2o_flux_variance)
  • Measured or estimated mole fraction of h2o(h2o_mole_fraction)
  • Variance of eastward wind(eastward_wind_variance)
  • Flag to specify whether reported co2 time lag is default or calculated(co2_time_lag_state)
  • Specific head at constant pressure of ambient air(air_heat_capacity)
  • Temperature(air_temperature)
  • Number of spikes detected and eliminated for variable h2o flux(h2o_flux_spikes)
  • Corrected co2 flux(co2_flux)
  • Covariance between vertical_wind and variable scaling_temperature(scaling_temperature_covariance)
  • Time lag used to synchronize h2o time series(h2o_time_lag)
  • Rotated u wind component (mean wind speed)(eastward_wind)
  • Wind component along the w anemometer axis(vertical_wind_unrotated)
  • Rotated v wind component(northward_wind)
  • Variance of co2(co2_flux_variance)
  • Monin-Obukov length(monin_obukov_length)
  • Time lag used to synchronize co2 time series(co2_time_lag)
  • Quality check results on field: Corrected latent heat flux(qc_latent_heat_flux)
  • base time in epoch(base_time)
  • -180.0 - +180.0(alt)
  • North Latitude(lat)
  • Ambient specific humidity on a mass basis(specific_humidity)
  • Mean pressure of ambient air, either calculated from high frequency air pressure
    readings or estimated from on site altitude (barometric pressure(air_pressure)
  • Spectral correction factor for co2 flux(co2_flux_spectral_correction_factor)
  • Ambient water vapor pressure deficit(water_vapor_pressure_deficit)
  • Time range for the hourly averages, in time offset from midnight(time_bounds)
  • Quality check results on field: Corrected momentum flux(qc_momentum_flux)
  • Spectral correction for latent heat flux(latent_heat_flux_spectral_correction_factor)
  • Random error for sensible heat flux(random_error_sensible_heat_flux)
  • Random error for momentum flux(random_error_momentum_flux)
  • Variance of northward wind(northward_wind_variance)
  • Number of spikes detected and eliminated for upward wind(vertical_wind_spikes)
  • Time offset from base_time(time_offset)
  • Flag to specify whether reported h2o time lag is default or calculated(h2o_time_lag_state)
  • Ship yaw, axis vertical, positive is clockwise rotation(yaw)
  • Uncorrected latent heat flux(latent_heat_flux_uncorrected)
  • Quality check results on field: Corrected co2 flux(qc_co2_flux)
  • Random error for h2o flux(random_error_h2o_flux)
  • Uncorrected h2o flux(h2o_flux_uncorrected)
  • Uncorrected sensible heat flux(sensible_heat_flux_uncorrected)
  • Maximum instantaneous wind speed(max_wind_speed)
  • Scaling temperature(scaling_temperature)
  • Surface latent heat flux(latent_heat_flux)
  • Ambient mass density of water vapor(water_vapor_density)
  • Number of flagged records for detector(detector_flag)
  • Ambient water vapor partial pressure at saturation(water_vapor_partial_pressure_saturation)
  • Random error for latent heat flux(random_error_latent_heat_flux)
  • Surface sensible heat flux(sensible_heat_flux)
  • Number of spikes detected and eliminated for northward wind(northward_wind_spikes)
  • Relative humidity calculated from the merged water vapor mixing ratio data(relative_humidity)
  • Measured or estimated molar density of co2(co2_molar_density)
  • Mean value of RSSI(mean_value_RSSI)
  • Corrected momentum flux(momentum_flux)
  • Wind speed 5m AGL at the ground station(wind_speed)
  • Quality check results on field: Corrected h2o flux(qc_h2o_flux)
  • Monin-Obukov stability parameter(monin_obukov_stability_parameter)
  • lon(lon)
  • Number of flagged records for pll(pll_flag)
  • Measured or estimated molar density of h2o(h2o_molar_density)
  • Ambient water vapor partial pressure(water_vapor_partial_pressure)
  • Number of flagged records for sync(sync_flag)
  • Measured or estimated mole fraction of co2(co2_mole_fraction)
  • Quality check results on field: Sensible heat flux(qc_sensible_heat_flux)
  • Variance of vertical wind(vertical_wind_variance)
  • Random error for co2 flux(random_error_co2_flux)
  • Uncorrected momentum flux(momentum_flux_uncorrected)
  • Uncorrected co2 flux(co2_flux_uncorrected)
  • Covariance between vertical wind and variable co2 flux(co2_flux_covariance)
  • Number of spikes detected and eliminated for eastward wind(eastward_wind_spikes)
  • Bowen ratio(bowen_ratio)
  • Measured or estimated mixing ratio of co2(co2_mixing_ratio)
  • Spectral correction factor for h2o flux(h2o_flux_spectral_correction_factor)
  • Number of spikes detected and eliminated for variable co2 flux(co2_flux_spikes)
  • Measured or estimated mixing ratio of h2o(h2o_mixing_ratio)
  • Friction velocity(friction_velocity)
  • Evapotranspiration rate(evapotranspiration_rate)
  • Number of spikes detected and eliminated for variable sonic temperature(sonic_temperature_spikes)
  • Spectral correction factor for momentum flux(momentum_flux_spectral_correction_factor)
  • Number of flagged records for chopper(chopper_flag)
  • Direction from which the wind blows, with respect to Geographic or Magnetic
    north(wind_direction)
  • Wind component along the u anemometer axis(eastward_wind_unrotated)
  • Mean temperature of ambient air as measured by the anemometer(sonic_temperature)
  • Covariance between vertical wind and variable h2o flux(h2o_flux_covariance)
  • Density of ambient air(air_density)
  • Turbulent kinetic energy(turbulent_kinetic_energy)
  • Spectral correction factor for sensible heat flux(sensible_heat_flux_spectral_correction_factor)
  • Variance of scaling temperature(scaling_temperature_variance)
more
sgpco2flxsoilC1.00:
  • (Raw data stream - documentation not supported)
more
sgp30co2flx4mC1.a1:
  • height of base of instrument tower(site_elevation)
  • height of instument from tower base(zm)
  • variance of v(var_rot_v)
  • rotated variance w(var_rot_w)
  • Rotated variance u(var_rot_u)
  • rotated covariance uc(cvar_rot_uc)
  • Rotated covariance uq(cvar_rot_uq)
  • Rotated covariance ut(cvar_rot_ut)
  • rotated covariance uv(cvar_rot_uv)
  • rotated covariance uw(cvar_rot_uw)
  • unrotated covariance of wq(cvar_unrot_wq)
  • unrotated covariance of wt(cvar_unrot_wt)
  • unrotated covariance of vt(cvar_unrot_vt)
  • unrotated covariance of vw(cvar_unrot_vw)
  • unrotated covariance of wc(cvar_unrot_wc)
  • kurtosis of unrotated variable w(kurt_unrot_w)
  • kurtosis of unrotated variable v(kurt_unrot_v)
  • kurtosis of unrotated variable u(kurt_unrot_u)
  • unrotated covariance of vq(cvar_unrot_vq)
  • rotation to zero v(phi)
  • unrotated covariance of ut(cvar_unrot_ut)
  • unrotated covariance of uv(cvar_unrot_uv)
  • unrotated covariance of uw(cvar_unrot_uw)
  • unrotated covariance of vc(cvar_unrot_vc)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • unrotated covariance of uc(cvar_unrot_uc)
  • mean water vapor concentration (q)(mean_q)
  • mean IRGA pressure(mean_p)
  • unrotated covariance of uq(cvar_unrot_uq)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • Mean value of "spike" t samples(mean_spk_t)
  • mean co2 concentration (c)(mean_c)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • number of out of range values and spikes of unrotated v see
    \'min\',\'max\',\'spike_condition\' attributes of v(nspk_unrot_v)
  • number of out of range values and spikes of unrotated w see
    \'min\',\'max\',\'spike_condition\' attributes of w(nspk_unrot_w)
  • skewness of unrotated variable u(skew_unrot_u)
  • skewness of unrotated variable v(skew_unrot_v)
  • skewness of unrotated variable w(skew_unrot_w)
  • number of out of range values and spikes of unrotated u see
    \'min\',\'max\',\'spike_condition\' attributes of u(nspk_unrot_u)
  • skewness of variable t(skew_t)
  • number of out of range values and spikes of t see
    \'min\',\'max\',\'spike_condition\' attributes of t(nspk_t)
  • number of out of range values and spikes of q see
    \'min\',\'max\',\'spike_condition\' attributes of q(nspk_q)
  • skewness of variable q(skew_q)
  • number of out of range values and spikes of c see
    \'min\',\'max\',\'spike_condition\' attributes of c(nspk_c)
  • mean north wind speed (u), unrotated(mean_unrot_u)
  • mean east wind speed (v), unrotated(mean_unrot_v)
  • mean vertical wind speed (w), unrotated(mean_unrot_w)
  • base time in epoch(base_time)
  • Time offset from base_time(time_offset)
  • latitude of instument location(site_latitude)
  • skewness of variable c(skew_c)
  • start of integration interval(yyyydddhhmmss)
  • mean value of out of range values and spikes of unrotated w -9999 if no spikes(mean_spk_unrot_w)
  • mean value of out of range values and spikes of unrotated v -9999 if no spikes(mean_spk_unrot_v)
  • variance of t(var_t)
  • mean value of out of range values and spikes of unrotated u -9999 if no spikes(mean_spk_unrot_u)
  • variance of c(var_c)
  • variance of variable unrotated w(var_unrot_w)
  • variance of variable unrotated u(var_unrot_u)
  • variance of variable unrotated v(var_unrot_v)
  • variance of q(var_q)
  • covariance of tq(cvar_tq)
  • Covariance tc(cvar_tc)
  • Rotated covariance vc(cvar_rot_vc)
  • Covariance qc(cvar_qc)
  • rotated covariance vq(cvar_rot_vq)
  • Rotated covariance vt(cvar_rot_vt)
  • rotated covariance vw(cvar_rot_vw)
  • kurtosis of variable q(kurt_q)
  • Kurtosis of variable mean_t(kurt_t)
  • Rotated covariance wc(cvar_rot_wc)
  • kurtosis of variable c(kurt_c)
  • longitude of instument location(site_longitude)
  • rotated covariance wq(cvar_rot_wq)
  • rotated covariance wt(cvar_rot_wt)
  • rotation to zero w(theta)
  • rotated mean w(mean_rot_w)
  • rotated mean v(mean_rot_v)
  • Rotated mean u(mean_rot_u)
more
sgp30co2flx25mC1.b1:
  • height of instument from tower base(zm)
  • Monin-Obukhov length scale(Lmoni)
  • Time offset from base_time(time_offset)
  • height of base of instrument tower(site_elevation)
  • mean co2 concentration (c)(mean_c)
  • mean IRGA pressure(mean_p)
  • mean water vapor concentration (q)(mean_q)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • start of integration interval(yyyydddhhmmss)
  • friction velocity(ustar)
  • additive WPL LE correction to c flux(fc_wpl_le)
  • variance of v(var_rot_v)
  • rotated variance w(var_rot_w)
  • Rotated variance u(var_rot_u)
  • fractional day of the year(doy)
  • base time in epoch(base_time)
  • rotation to zero v(phi)
  • variance of q(var_q)
  • variance of t(var_t)
  • Rotated mean u(mean_rot_u)
  • variance of c(var_c)
  • Wind Direction(wdir)
  • corrected sensible heat flux(h)
  • longitude of instument location(site_longitude)
  • WPL corrected CO2 flux(fc_corr)
  • WPL corrected latent heat flux(le)
  • latitude of instument location(site_latitude)
  • additive WPL H correction to c flux(fc_wpl_h)
  • rotation to zero w(theta)
more
sgp30co2flx60mC1.b1:
  • corrected sensible heat flux(h)
  • variance of q(var_q)
  • variance of c(var_c)
  • start of integration interval(yyyydddhhmmss)
  • base time in epoch(base_time)
  • variance of t(var_t)
  • height of instument from tower base(zm)
  • additive WPL H correction to c flux(fc_wpl_h)
  • height of base of instrument tower(site_elevation)
  • mean co2 concentration (c)(mean_c)
  • mean water vapor concentration (q)(mean_q)
  • mean IRGA pressure(mean_p)
  • mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • Rotated mean u(mean_rot_u)
  • friction velocity(ustar)
  • rotation to zero w(theta)
  • Wind Direction(wdir)
  • longitude of instument location(site_longitude)
  • WPL corrected CO2 flux(fc_corr)
  • Rotated variance u(var_rot_u)
  • variance of v(var_rot_v)
  • rotated variance w(var_rot_w)
  • WPL corrected latent heat flux(le)
  • latitude of instument location(site_latitude)
  • fractional day of the year(doy)
  • Time offset from base_time(time_offset)
  • rotation to zero v(phi)
  • Monin-Obukhov length scale(Lmoni)
  • additive WPL LE correction to c flux(fc_wpl_le)
more
sgpco2flx60mC1.00:
  • (Raw data stream - documentation not supported)
more
sgpco2flx25mC1.b1:
  • lon(lon)
  • Corrected momentum flux(momentum_flux)
  • Scaling temperature(scaling_temperature)
  • Number of spikes detected and eliminated for upward wind(vertical_wind_spikes)
  • Variance of vertical wind(vertical_wind_variance)
  • Monin-Obukov length(monin_obukov_length)
  • Wind component along the u anemometer axis(eastward_wind_unrotated)
  • Quality check results on field: Corrected momentum flux(qc_momentum_flux)
  • Uncorrected momentum flux(momentum_flux_uncorrected)
  • Quality check results on field: Sensible heat flux(qc_sensible_heat_flux)
  • base time in epoch(base_time)
  • Ship yaw, axis vertical, positive is clockwise rotation(yaw)
  • Pitch, bow up positive(pitch)
  • Wind component along the v anemometer axis(northward_wind_unrotated)
  • Friction velocity(friction_velocity)
  • Variance of northward wind(northward_wind_variance)
  • Rotated v wind component(northward_wind)
  • Wind component along the w anemometer axis(vertical_wind_unrotated)
  • Mean temperature of ambient air as measured by the anemometer(sonic_temperature)
  • Maximum instantaneous wind speed(max_wind_speed)
  • Density of ambient air(air_density)
  • Specific head at constant pressure of ambient air(air_heat_capacity)
  • Number of spikes detected and eliminated for eastward wind(eastward_wind_spikes)
  • Bowen ratio(bowen_ratio)
  • time_in_seconds_since_volume_start(time)
  • Time range for the hourly averages, in time offset from midnight(time_bounds)
  • Uncorrected sensible heat flux(sensible_heat_flux_uncorrected)
  • Wind speed 5m AGL at the ground station(wind_speed)
  • Rotated w wind component(vertical_wind)
  • -180.0 - +180.0(alt)
  • Spectral correction factor for sensible heat flux(sensible_heat_flux_spectral_correction_factor)
  • North Latitude(lat)
  • Variance of eastward wind(eastward_wind_variance)
  • Number of spikes detected and eliminated for variable sonic temperature(sonic_temperature_spikes)
  • Random error for momentum flux(random_error_momentum_flux)
  • Direction from which the wind blows, with respect to Geographic or Magnetic
    north(wind_direction)
  • Turbulent kinetic energy(turbulent_kinetic_energy)
  • Random error for sensible heat flux(random_error_sensible_heat_flux)
  • Rotated u wind component (mean wind speed)(eastward_wind)
  • Variance of scaling temperature(scaling_temperature_variance)
  • Monin-Obukov stability parameter(monin_obukov_stability_parameter)
  • Surface sensible heat flux(sensible_heat_flux)
  • Molar volume of ambient air(air_molar_volume)
  • Time offset from base_time(time_offset)
  • Spectral correction factor for momentum flux(momentum_flux_spectral_correction_factor)
  • Covariance between vertical_wind and variable scaling_temperature(scaling_temperature_covariance)
  • Number of spikes detected and eliminated for northward wind(northward_wind_spikes)
more
sgpco2flxgas4mC1.a1:
  • Barometric pressure in box containing the electronics for the Gas Analyzer(pressure_gas_analyzer)
  • H2O concentration density(h2o_concentration)
  • Temperature(air_temperature)
  • Reference signal strength(reference_signal_strength)
  • time_in_seconds_since_volume_start(time)
  • North Latitude(lat)
  • -180.0 - +180.0(alt)
  • base time in epoch(base_time)
  • Diagnostic flag variable(diagnostic_flag)
  • lon(lon)
  • CO2 concentration density(co2_concentration)
  • Time offset from base_time(time_offset)
more
sgpco2flxwind25mC1.a1:
  • Easterly Wind Component(u_wind)
  • time_in_seconds_since_volume_start(time)
  • lon(lon)
  • V wind component(v_wind)
  • base time in epoch(base_time)
  • Mean temperature of ambient air as measured by the anemometer(sonic_temperature)
  • Time offset from base_time(time_offset)
  • Vertical wind component(w_wind)
  • North Latitude(lat)
  • -180.0 - +180.0(alt)
more
sgpco2flxwind60mC1.a1:
  • North Latitude(lat)
  • -180.0 - +180.0(alt)
  • base time in epoch(base_time)
  • lon(lon)
  • V wind component(v_wind)
  • Easterly Wind Component(u_wind)
  • Mean temperature of ambient air as measured by the anemometer(sonic_temperature)
  • Vertical wind component(w_wind)
  • Time offset from base_time(time_offset)
  • time_in_seconds_since_volume_start(time)
more

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