Data Quality Reports for Session: 105441 User: chiuj Completed: 04/28/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D000608.11TWP/C2/MPL DetectortwpmplC2.00, twpmplC2.a1, twpmplnor1campC2.c1, twpmplcmask1clothC2.c1,
twpmplsmask1clothC2.c1


DQRID : D000608.11
Start DateStart TimeEnd DateEnd Time
02/03/1999000004/20/19991200
Subject:
TWP/C2/MPL Detector
DataStreams:twpmplC2.00, twpmplC2.a1, twpmplnor1campC2.c1, twpmplcmask1clothC2.c1,
twpmplsmask1clothC2.c1
Description:
The MPL detector failed and was shut down.
Measurements:twpmplsmask1clothC2.c1:
  • Time offset of tweaks from base_time(time_offset)
  • Time offset from base_time(base_time)
  • MPL Cloth et al. Algorithm Significance Mask(SigniMaskMplCloth)
  • Range Heights (center of radar sample volume)(Heights)

twpmplC2.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)

twpmplnor1campC2.c1:
  • Instrument temperature(instrument_temp)
  • Laser temperature(laser_temp)
  • Repetition rate, or Trigger Frequency of the laser(pulse_rep)
  • Cloud base height (for first cloud above height threshold)(cloud_base_height)
  • Time offset from base_time(base_time)
  • Flag indicating whether the beam was extinguished at indicated cloud top(cloud_top_attenuation_flag)
  • Relative random error in backscatter profiles(random_error)
  • Detector temperature(detector_temp)
  • east longitude for all the input platforms.(lon)
  • Cloud mask(cloud_mask_1)
  • Height of bins above ground level for the temperature, retrieved water vapor,
    and pressure profile(height)
  • north latitude for all the input platforms.(lat)
  • Background signal(background_signal)
  • Cloud mask(cloud_mask_2)
  • Aerosol volume backscattering coefficient at 355 nm(backscatter)
  • altitude above sea levelaltunits(alt)
  • Energy output per pulse of transmitted laser beam at 532 nm (Doubled Nd -YLF)(energy_monitor)
  • Time offset of tweaks from base_time(time_offset)
  • Number of laser pulses summed during measurement interval(shots_summed)
  • The update time of the historical baseline used for the cloud boundary
    determination of this sample(baseline_update_time)
  • Cloud top height (for highest cloud sensed)(cloud_top_height)

twpmplC2.a1:
  • Time offset from midnight of date of file. For CO data, this is identical to
    time_offset and is included for compatibility.(time)
  • Repetition rate, or Trigger Frequency of the laser(trigger_freq)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • Angle of inclination with respect to horizontal(transceiver_altitude_angle)
  • Energy output per pulse of transmitted laser beam at 532 nm (Doubled Nd -YLF)(energy_monitor)
  • Amount of time laser pulse lags behind the scalar trigger(laser_scalar_sync_offset)
  • Voltage level which operates the thermistor(voltage_10)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • required to correct raw counts for detector deadtime prior to all other
    corrections.(deadtime_correction)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • Aerosol volume backscattering coefficient at 355 nm(backscatter)
  • Number of laser pulses summed during measurement interval(shots_sum)
  • Preliminary cloud base height above ground level(preliminary_cbh)
  • Detector temperature(detector_temp)
  • Instrument temperature(instrument_temp)
  • Filter temperature(filter_temp)
  • Laser temperature(laser_temp)
  • Sum of raw backscatter counts per bin prior to ANY corrections.(total_counts)
  • Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
  • Background signal(background_signal)
  • Number of laser pulses summed during measurement interval(shots_summed)
  • Angle of orientation with respect to true geographic north(transceiver_azimuth_angle)
  • Voltage level which operates the A/D card and the detector(voltage_05)
  • Time offset of tweaks from base_time(time_offset)
  • east longitude for all the input platforms.(lon)
  • Time offset from base_time(base_time)
  • north latitude for all the input platforms.(lat)
  • altitude above sea levelaltunits(alt)
  • Amount of time the scalar lags behind the sync trigger(scalar_sync_offset)
  • Height of bins above ground level for the temperature, retrieved water vapor,
    and pressure profile(height)
  • distance to center of range bin after correcting for offset in sync(range)
  • Voltage level which operates the energy monitor(voltage_15)
  • Repetition rate, or Trigger Frequency of the laser(pulse_rep)
  • effective range offset due to poor sync between laser firing and A/D trigger.(range_offset)
  • value represents date when configuration is first applicable as YYYYMMDD(property)
  • Amount of time the actual laser pulse lags behind the sync trigger(laser_sync_offset)

twpmplcmask1clothC2.c1:
  • MPL Clothiaux et al. Algorithm Cloud Mask Occurrence(CloudMaskMplCloth)
  • Range Heights (center of radar sample volume)(Heights)
  • Time offset from base_time(base_time)
  • Time offset of tweaks from base_time(time_offset)


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