DQRID : D990129.4
Start DateStart TimeEnd DateEnd Time
11/24/1998131511/24/19981530
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Subject:
SGP/EBBR/E12 - All Temperature Measurements Incorrect
DataStreams:sgp5ebbrE12.b1, sgp30ebbrE12.b1, sgp15ebbrE12.b1
Description:
Failure of the multiplexer connection for the reference temperature 
thermocouple in the control box or a problem with the Campbell CR10
bridge circuitry caused all air and soil temperature measurements
to be incorrect. Therefore, the computed 30 minute bowen, e, and h were 
also incorrect.
Suggestions: 
Measurements:sgp15ebbrE12.b1:
  • Soil temperature 4 (resistance ratio)(soil_temp_4_rr)
  • Right T/RH sensor temperature (resistance ratio)(temp_trh_right_rr)
  • Left T/RH sensor temperature (resistance ratio)(temp_trh_left_rr)
  • Soil temperature 2 (resistance ratio)(soil_temp_2_rr)
  • Reference temperature in enclosure (resistance ratio)(temp_reference_rr)
  • Left air temperature(temp_air_left)
  • Soil temperature 3 (resistance ratio)(soil_temp_3_rr)
  • Soil temperature 5 (resistance ratio)(soil_temp_5_rr)
  • Soil temperature 1 (resistance ratio)(soil_temp_1_rr)
  • Right air temperature(temp_air_right)
more
sgp5ebbrE12.b1:
  • Top T/RH sensor temperature(temp_trh_top)
  • Top air temperature(temp_air_top)
  • Bottom air temperature(temp_air_bottom)
  • Reference temperature in enclosure(temp_reference)
  • Bottom T/RH sensor temperature(temp_trh_bottom)
more
sgp30ebbrE12.b1:
  • Soil temperature mean 3(soil_temp_3)
  • Soil temperature 2(soil_temp_2)
  • Half hour averaged soil temperature 5(soil_temp_5)
  • Half hour averaged soil temperature 4(soil_temp_4)
  • Bottom air temperature(temp_air_bottom)
  • Soil temperature 1(soil_temp_1)
  • Bowen ratio(bowen_ratio)
  • Reference temperature in enclosure(temp_reference)
  • Surface sensible heat flux(sensible_heat_flux)
  • Surface latent heat flux(latent_heat_flux)
  • Top air temperature(temp_air_top)
  • Bottom T/RH sensor temperature(temp_trh_bottom)
  • Top T/RH sensor temperature(temp_trh_top)
more

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