Data Quality Reports for Session: 117176 User: wlj Completed: 01/26/2009

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D980410.4SPG/EBBR/E8 - Wind Speed Sensor and AEM Frozensgp15ebbrE8.a1, sgp30ebbrE8.a1, sgp5ebbrE8.a0
D990127.13SGP/EBBR/E8 - Wind Direction and Speed Data Incorrectsgp15ebbrE8.a1, sgp30ebbrE8.a1, sgp5ebbrE8.a0


DQRID : D980410.4
Start DateStart TimeEnd DateEnd Time
01/14/1998074501/14/19981600
Subject:
SPG/EBBR/E8 - Wind Speed Sensor and AEM Frozen
DataStreams:sgp15ebbrE8.a1, sgp30ebbrE8.a1, sgp5ebbrE8.a0
Description:
The Automatic Exchange Mechanism was frozen during the entire period and
did not exchange.

Data values that were affected by the inoperative AEM are:

 5 minute: tair_top, tair_bot, thum_top, thum_bot, hum_top, hum_bot,
			vp_top, vp_bot
15 minute: rr_thum_r, rr_thum_l, mv_hum_r, mv_hum_l, tair_r, tair_l
30 minute: tair_top, tair_bot, thum_top, thum_bot, hum_top, hum_bot,
			vp_top, vp_bot, e, h, bowen  


The wind speed sensor was frozen stalled during part of this period 
(1100-1600 GMT).
Data values that were affected are:

 5 minute: wind_s, res_ws
15 minute: wind_s
30 minute: wind_s, res_ws
Measurements:sgp15ebbrE8.a1:
  • Right relative humidity(mv_hum_r)
  • scalar wind speed(wind_s)
  • Right air temperature(tair_r)
  • Left air temperature(tair_l)
  • Left relative humidity(mv_hum_l)
  • Temperature of left humidity sensor chamber(rr_thum_l)
  • Temperature of right humidity sensor chamber(rr_thum_r)
sgp5ebbrE8.a0:
  • scalar wind speed(wind_s)
  • Temperature of the top humidity chamber(thum_top)
  • top air temperature(tair_top)
  • top vapor pressure(vp_top)
  • Bottom humidity(hum_bot)
  • bottom air temperature(tair_bot)
  • Temperature of bottom humidity sensor chamber(thum_bot)
  • vector wind speed(res_ws)
  • Top humidity(hum_top)
  • bottom vapor pressure(vp_bot)
sgp30ebbrE8.a1:
  • Temperature of bottom humidity sensor chamber(thum_bot)
  • h(h)
  • scalar wind speed(wind_s)
  • Temperature of the top humidity chamber(thum_top)
  • latent heat flux(e)
  • top vapor pressure(vp_top)
  • top air temperature(tair_top)
  • bottom air temperature(tair_bot)
  • Top humidity(hum_top)
  • vector wind speed(res_ws)
  • ratio of sensible/latent heat fluxes (Bowen ratio)(bowen)
  • bottom vapor pressure(vp_bot)
  • Bottom humidity(hum_bot)

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DQRID : D990127.13
Start DateStart TimeEnd DateEnd Time
12/20/1998150512/22/19981800
Subject:
SGP/EBBR/E8 - Wind Direction and Speed Data Incorrect
DataStreams:sgp15ebbrE8.a1, sgp30ebbrE8.a1, sgp5ebbrE8.a0
Description:
The wind direction and speed sensors were iced stopped by freezing rain, 
resulting in the following values being incorrect:

5 minute:  wind_s, res_ws, wind_d, sigma_wd
15 minute: wind_s, mv_wind_d
30 minute: wind_s, res_ws, wind_d, sigma_wd
Measurements:sgp15ebbrE8.a1:
  • scalar wind speed(wind_s)
  • Wind direction (relative to true north)(mv_wind_d)
sgp5ebbrE8.a0:
  • scalar wind speed(wind_s)
  • wind direction (relative to true north)(wind_d)
  • vector wind speed(res_ws)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
sgp30ebbrE8.a1:
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • scalar wind speed(wind_s)
  • wind direction (relative to true north)(wind_d)
  • vector wind speed(res_ws)

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END OF DATA