Data Quality Reports for Session: 104409 User: kehoe Completed: 02/20/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D051222.1SGP/EBBR/E26 - Data Suspect During Low Supply Voltagesgp5ebbrE26.b1, sgp15ebbrE26.b1, sgp30ebbrE26.b1


DQRID : D051222.1
Start DateStart TimeEnd DateEnd Time
12/20/2005080012/22/20051500
Subject:
SGP/EBBR/E26 - Data Suspect During Low Supply Voltage
DataStreams:sgp5ebbrE26.b1, sgp15ebbrE26.b1, sgp30ebbrE26.b1
Description:
Low battery supply voltage resulted in high home signals and questionable data at times.
Data for battery voltage <10.5 volts should be considered to be incorrect.
Measurements:sgp15ebbrE26.b1:
  • Soil temperature 2(rr_ts2)
  • Soil moisture 4(r_sm4)
  • Soil temperature 3(rr_ts3)
  • Soil heat flow 2(mv_hft2)
  • Time offset from base_time(base_time)
  • Battery(bat)
  • scalar wind speed(wind_s)
  • Soil moisture 5(r_sm5)
  • Soil heat flow 3(mv_hft3)
  • Net radiation(mv_q)
  • Left air temperature(tair_l)
  • Right air temperature(tair_r)
  • altitude above sea levelaltunits(alt)
  • Soil moisture 3(r_sm3)
  • north latitude for all the input platforms.(lat)
  • Home signal(mv_home)
  • Time offset of tweaks from base_time(time_offset)
  • Right relative humidity(mv_hum_r)
  • Atmospheric pressure(mv_pres)
  • east longitude for all the input platforms.(lon)
  • Reference temperature(rr_tref)
  • Soil temperature 5(rr_ts5)
  • Soil temperature 4(rr_ts4)
  • Temperature of right humidity sensor chamber(rr_thum_r)
  • Soil heat flow 1(mv_hft1)
  • Soil temperature 1(rr_ts1)
  • Soil moisture 1(r_sm1)
  • Soil heat flow 5(mv_hft5)
  • Temperature of left humidity sensor chamber(rr_thum_l)
  • Soil moisture 2(r_sm2)
  • Left relative humidity(mv_hum_l)
  • Wind direction (relative to true north)(mv_wind_d)
  • Soil heat flow 4(mv_hft4)
  • Signature(signature)

sgp5ebbrE26.b1:
  • altitude above sea levelaltunits(alt)
  • Time offset from base_time(base_time)
  • wind direction (relative to true north)(wind_d)
  • Time offset from midnight of date of file. For CO data, this is identical to
    time_offset and is included for compatibility.(time)
  • Home signal(home)
  • top relative humidity(hum_top)
  • east longitude for all the input platforms.(lon)
  • specific humidity(q)
  • bottom air temperature(tair_bot)
  • bottom relative humidity(hum_bot)
  • temperature of the top humidity sensor chamber(thum_top)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • bottom vapor pressure(vp_bot)
  • top air temperature(tair_top)
  • temperature of the bottom humidity sensor chamber(thum_bot)
  • Reference Thermistor Temperature(tref)
  • Resultant wind speed(res_ws)
  • Time offset of tweaks from base_time(time_offset)
  • scalar wind speed(wind_s)
  • north latitude for all the input platforms.(lat)
  • pressure at constant pressure surface(pres)
  • top vapor pressure(vp_top)

sgp30ebbrE26.b1:
  • Soil moisture 2 (mass water/mass dry soil)(sm2)
  • 0-5 cm integrated soil temperature, site 5(ts5)
  • altitude above sea levelaltunits(alt)
  • bottom relative humidity(hum_bot)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • 0-5 cm integrated soil temperature, site 4(ts4)
  • 5 cm soil heat flow, site 5(shf5)
  • average surface soil heat flow at the surface(ave_shf)
  • 5 cm soil heat flow corrected for soil moisture content, site 3(c_shf3)
  • 5 cm soil heat flow, site 4(shf4)
  • 5 cm soil heat flow corrected for soil moisture content, site 5(c_shf5)
  • Time offset from base_time(base_time)
  • 0-5 cm change in soil heat storage with time, site 4(ces4)
  • 0-5 cm change in soil heat storage with time, site 5(ces5)
  • pressure at constant pressure surface(pres)
  • Soil moisture 3 (mass water/mass dry soil)(sm3)
  • north latitude for all the input platforms.(lat)
  • Soil moisture 4 (mass water/mass dry soil)(sm4)
  • specific humidity(q)
  • Soil moisture 1 (mass water/mass dry soil)(sm1)
  • Reference Thermistor Temperature(tref)
  • 0-5 cm integrated soil temperature, site 2(ts1)
  • ratio of sensible/latent heat fluxes (Bowen ratio)(bowen)
  • temperature of the top humidity sensor chamber(thum_top)
  • east longitude for all the input platforms.(lon)
  • 5 cm soil heat flow corrected for soil moisture content, site 4(c_shf4)
  • soil heat flow at the surface 1(g1)
  • Soil heat capacity 1(cs1)
  • Soil heat capacity 4(cs4)
  • Exchange mechanism position indicator (0 to 15 min)(home_15)
  • temperature of the bottom humidity sensor chamber(thum_bot)
  • Soil moisture 5 (mass water/mass dry soil)(sm5)
  • Time offset of tweaks from base_time(time_offset)
  • corrected sensible heat flux(h)
  • 5 cm soil heat flow, site 1(shf1)
  • Resultant wind speed(res_ws)
  • Soil heat capacity 5(cs5)
  • 5 cm soil heat flow, site 2(shf2)
  • bottom vapor pressure(vp_bot)
  • Exchange mechanism position indicator (15 to 30 min)(home_30)
  • scalar wind speed(wind_s)
  • Soil heat capacity 2(cs2)
  • Soil heat capacity 3(cs3)
  • top relative humidity(hum_top)
  • soil heat flow at the surface 3(g3)
  • 5 cm soil heat flow, site 3(shf3)
  • top air temperature(tair_top)
  • latent heat flux(e)
  • soil heat flow at the surface 2(g2)
  • top vapor pressure(vp_top)
  • 5 cm soil heat flow corrected for soil moisture content, site 2(c_shf2)
  • 0-5 cm integrated soil temperature, site 2(ts2)
  • 5 cm soil heat flow corrected for soil moisture content, site 1(c_shf1)
  • 0-5 cm change in soil heat storage with time, site 3(ces3)
  • soil heat flow at the surface 5(g5)
  • 0-5 cm integrated soil temperature, site 3(ts3)
  • wind direction (relative to true north)(wind_d)
  • bottom air temperature(tair_bot)
  • 0-5 cm change in soil heat storage with time, site 2(ces1)
  • 0-5 cm change in soil heat storage with time, site 2(ces2)
  • soil heat flow at the surface 4(g4)


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