DQRID : D030115.8
Start DateStart TimeEnd DateEnd Time
07/22/2002163007/22/20021659
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Subject:
SGP/EBBR/E15 - Data Mostly Zero Following Logger Restart
DataStreams:sgp5ebbrE15.b1, sgp15ebbrE15.b1, sgp30ebbrE15.b1
Description:
Most of the measurements were zero, which normally happens after a 
datalogger restart.  The restart on 07/22/02 occurred after a pressure
sensor replacement.
Suggestions: 
Measurements:sgp5ebbrE15.b1:
  • Bottom air temperature(temp_air_bottom)
  • Top vapor pressure(vapor_pressure_top)
  • Top air temperature(temp_air_top)
  • Bottom relative humidity (fractional)(rh_bottom_fraction)
  • Wind speed arithmetic mean(wspd_arith_mean)
  • Bottom vapor pressure(vapor_pressure_bottom)
  • Wind direction vector mean standard deviation(wdir_vec_std)
  • Top relative humidity (fractional)(rh_top_fraction)
  • Reference temperature in enclosure(temp_reference)
  • Bottom T/RH sensor temperature(temp_trh_bottom)
  • Top T/RH sensor temperature(temp_trh_top)
  • AEM position indicator(home_signal)
  • Wind speed vector mean(wspd_vec_mean)
  • Wind direction vector mean(wdir_vec_mean)
  • Net radiation(net_radiation)
  • Atmospheric pressure(atmos_pressure)
more
sgp15ebbrE15.b1:
  • Soil heat flow 2 (mV)(soil_heat_flow_2_mv)
  • Atmospheric pressure (mV)(atmos_pressure_mv)
  • Right relative humidity (mV)(rh_right_mv)
  • Soil moisture 2 (resistance ratio)(soil_moisture_2_rr)
  • Soil heat flow 5 (mV)(soil_heat_flow_5_mv)
  • Soil temperature 5 (resistance ratio)(soil_temp_5_rr)
  • Soil moisture 1 (resistance)(soil_moisture_1_r)
  • Soil moisture 5 (resistance ratio)(soil_moisture_5_rr)
  • Soil moisture 5 (resistance)(soil_moisture_5_r)
  • Battery voltage(battery_voltage)
  • Reference temperature in enclosure (resistance ratio)(temp_reference_rr)
  • Soil heat flow 3 (mV)(soil_heat_flow_3_mv)
  • Net radiation (mV)(net_radiation_mv)
  • Soil temperature 3 (resistance ratio)(soil_temp_3_rr)
  • Soil moisture 3 (resistance ratio)(soil_moisture_3_rr)
  • Soil moisture 4 (resistance)(soil_moisture_4_r)
  • Left air temperature(temp_air_left)
  • Soil temperature 4 (resistance ratio)(soil_temp_4_rr)
  • Left relative humidity (mV)(rh_left_mv)
  • Wind direction vector mean (mV)(wdir_vec_mean_mv)
  • AEM position indicator(home_signal)
  • Soil heat flow 1 (mV)(soil_heat_flow_1_mv)
  • Soil moisture 1 (resistance ratio)(soil_moisture_1_rr)
  • Soil temperature 1 (resistance ratio)(soil_temp_1_rr)
  • Right air temperature(temp_air_right)
  • Left T/RH sensor temperature (resistance ratio)(temp_trh_left_rr)
  • Soil moisture 3 (resistance)(soil_moisture_3_r)
  • Soil heat flow 4 (mV)(soil_heat_flow_4_mv)
  • Soil temperature 2 (resistance ratio)(soil_temp_2_rr)
  • Soil moisture 4 (resistance ratio)(soil_moisture_4_rr)
  • Right T/RH sensor temperature (resistance ratio)(temp_trh_right_rr)
  • Wind speed arithmetic mean(wspd_arith_mean)
  • Soil moisture 2 (resistance)(soil_moisture_2_r)
more
sgp30ebbrE15.b1:
  • Soil moisture 1, gravimetric(soil_moisture_1)
  • Soil moisture 2, gravimetric(soil_moisture_2)
  • Soil moisture 3, gravimetric(soil_moisture_3)
  • Bottom air temperature(temp_air_bottom)
  • Soil moisture 4, gravimetric(soil_moisture_4)
  • Soil moisture 5, gravimetric(soil_moisture_5)
  • Soil heat flow 4, corrected for soil moisture(corr_soil_heat_flow_4)
  • Soil heat flow 3, corrected for soil moisture(corr_soil_heat_flow_3)
  • Soil heat flow 2, corrected for soil moisture(corr_soil_heat_flow_2)
  • Soil heat flow 1, corrected for soil moisture(corr_soil_heat_flow_1)
  • Soil heat flow 5, corrected for soil moisture(corr_soil_heat_flow_5)
  • Surface soil heat flux, average of fluxes 1-5(surface_soil_heat_flux_avg)
  • Wind direction vector mean(wdir_vec_mean)
  • Soil heat flow 4(soil_heat_flow_4)
  • Soil heat flow 5(soil_heat_flow_5)
  • Soil heat flow 2(soil_heat_flow_2)
  • Soil heat flow 3(soil_heat_flow_3)
  • Soil heat flow 1(soil_heat_flow_1)
  • Soil heat capacity 5(soil_heat_capacity_5)
  • Soil heat capacity 4(soil_heat_capacity_4)
  • Reference temperature in enclosure(temp_reference)
  • AEM position indicator 0 to 15 mins(home_signal_15)
  • Bottom relative humidity (fractional)(rh_bottom_fraction)
  • Wind speed arithmetic mean(wspd_arith_mean)
  • Soil heat capacity 3(soil_heat_capacity_3)
  • Soil heat capacity 2(soil_heat_capacity_2)
  • Soil heat capacity 1(soil_heat_capacity_1)
  • Bowen ratio(bowen_ratio)
  • Wind direction vector mean standard deviation(wdir_vec_std)
  • Surface latent heat flux(latent_heat_flux)
  • Surface soil heat flux 5(surface_soil_heat_flux_5)
  • Surface sensible heat flux(sensible_heat_flux)
  • Surface soil heat flux 3(surface_soil_heat_flux_3)
  • Surface soil heat flux 4(surface_soil_heat_flux_4)
  • Atmospheric pressure(atmos_pressure)
  • AEM position indicator 15 to 30 mins(home_signal_30)
  • Top T/RH sensor temperature(temp_trh_top)
  • Top vapor pressure(vapor_pressure_top)
  • Surface soil heat flux 1(surface_soil_heat_flux_1)
  • Surface soil heat flux 2(surface_soil_heat_flux_2)
  • Net radiation(net_radiation)
  • Change in energy storage 1, 0-5 cm soil layer(energy_storage_change_1)
  • Half hour averaged soil temperature 4(soil_temp_4)
  • Bottom vapor pressure(vapor_pressure_bottom)
  • Change in energy storage 3, 0-5 cm soil layer(energy_storage_change_3)
  • Soil temperature mean 3(soil_temp_3)
  • Change in energy storage 2, 0-5 cm soil layer(energy_storage_change_2)
  • Change in energy storage 5, 0-5 cm soil layer(energy_storage_change_5)
  • Soil temperature 2(soil_temp_2)
  • Change in energy storage 4, 0-5 cm soil layer(energy_storage_change_4)
  • Soil temperature 1(soil_temp_1)
  • Half hour averaged soil temperature 5(soil_temp_5)
  • Bottom T/RH sensor temperature(temp_trh_bottom)
  • Top relative humidity (fractional)(rh_top_fraction)
  • Top air temperature(temp_air_top)
  • Wind speed vector mean(wspd_vec_mean)
more

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