DQRID : D101103.1
Start DateStart TimeEnd DateEnd Time
06/01/2010190006/01/20102125
more
Subject:
SGP/MPL/C1 - Instrument maintainance
DataStreams:sgpmplcmask1clothC1.c1, sgpmplsmask1clothC1.c1, sgpmplpolC1.b1, sgpmplnor1campC1.c1,
sgpmmcrmode6p1200408121clothC1.c1, sgpmplpolavgC1.s1, sgpmplpolavgC1.c1
Description:
The period btwn 1900 and 2125 was when switch to fast switching MPL took place.  Ignore 
any data during this period
Suggestions: 
Measurements:sgpmmcrmode6p1200408121clothC1.c1:
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • MMCR Spectral Width(SpectralWidth)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • Time offset from base_time(time_offset)
  • Range Heights (center of radar sample volume)(Heights)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • Reflectivity(Reflectivity)
  • base time in epoch(base_time)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
more
sgpmplpolC1.b1:
  • Number of laser pulses summed during averaging interval(shots_per_avg)
  • Time offset from base_time(time_offset)
  • Laser Temperature(laser_temp)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • base time in epoch(base_time)
  • Background signal(background_signal)
  • Telescope temperature(scope_temp)
  • Dead time correction flag(dead_time_corrected)
  • Detector Temperature(detector_temp)
  • North Latitude(lat)
  • Number of bins stored in data block(num_bins)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • -180.0 - +180.0(alt)
  • Height(height)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • time_in_seconds_since_volume_start(time)
  • Polarization control enabled flag(polarization_control)
  • Distance to the center of the corresponding range bin(range)
  • lon(lon)
  • Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
  • Background signal standard deviation(background_signal_std)
  • Preliminary cloud base height above ground level(preliminary_cbh)
  • Number of detector channels(num_channels)
  • Subtract from range_bins to yield range(range_offset)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • Polarization control voltage setting(polarization_control_voltage)
  • Attenuated backscatter(signal_return)
  • Laser output energy per pulse(energy_monitor)
more
sgpmplnor1campC1.c1:
  • Number of lidar pulses summed(shots_summed)
  • Laser output energy per pulse(energy_monitor)
  • -180.0 - +180.0(alt)
  • Altitude of cloud top used in retrieval(cloud_top_height)
  • North Latitude(lat)
  • base time in epoch(base_time)
  • The update time of the historical baseline used for the cloud boundary
    determination of this sample(baseline_update_time)
  • Instrument Temperature(instrument_temp)
  • Cloud base height (for first cloud above height threshold)(cloud_base_height)
  • Flag indicating whether the beam was extinguished at indicated cloud top(cloud_top_attenuation_flag)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • Detector Temperature(detector_temp)
  • Laser Temperature(laser_temp)
  • Aerosol volume backscattering coefficient at 355 nm(backscatter)
  • lon(lon)
  • Time offset from base_time(time_offset)
  • Background signal(background_signal)
  • Relative random error in backscatter profiles(random_error)
  • Cloud mask(cloud_mask_2)
  • Cloud mask(cloud_mask_1)
  • Height(height)
more
sgpmplpolavgC1.s1:
  • Background signal, cross pol data(background_signal_cross_pol)
  • lon(lon)
  • Distance to the center of the corresponding range bin(range)
  • Subtract from range_bins to yield range(range_offset)
  • Preliminary cloud base height above ground level, cross-pol(preliminary_cbh_cross_pol)
  • time_in_seconds_since_volume_start(time)
  • Background signal, co-pol(background_signal_co_pol)
  • Attenuated backscatter, cross pol(signal_return_cross_pol)
  • Dead time correction flag(dead_time_corrected)
  • Number of detector channels(num_channels)
  • Preliminary cloud base height above ground level, co-pol(preliminary_cbh_co_pol)
  • Number of bins stored in data block(num_bins)
  • (aqc_signal_return_cross_pol)
  • Polarization control voltage, cross-pol(polarization_control_voltage_cross_pol)
  • Number of laser pulses summed during averaging interval(shots_per_sample)
  • Background signal standard deviation, copol data(background_signal_std_co_pol)
  • -180.0 - +180.0(alt)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • North Latitude(lat)
  • base time in epoch(base_time)
  • Background signal standard deviation, cross-pol(background_signal_std_cross_pol)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • Polarization control voltage, co-pol(polarization_control_voltage_co_pol)
  • Laser output energy per pulse(energy_monitor)
  • Detector Temperature(detector_temp)
  • Attenuated backscatter, co-pol(signal_return_co_pol)
  • (aqc_signal_return_co_pol)
  • Number of samples used for cross-pol averages(nsamples_cross_pol_average)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • Telescope temperature(scope_temp)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • Height(height)
  • Time offset from base_time(time_offset)
  • Number of samples used for co-pol averages(nsamples_co_pol_average)
  • Laser Temperature(laser_temp)
more
sgpmplpolavgC1.c1:
  • Height(height)
  • Number of bins stored in data block(num_bins)
  • Background signal standard deviation, copol data(background_signal_std_co_pol)
  • Background signal, cross pol data(background_signal_cross_pol)
  • Background signal, co-pol(background_signal_co_pol)
  • Laser Temperature(laser_temp)
  • Time offset from base_time(time_offset)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • Detector Temperature(detector_temp)
  • -180.0 - +180.0(alt)
  • Preliminary cloud base height above ground level, co-pol(preliminary_cbh_co_pol)
  • Number of laser pulses summed during averaging interval(shots_per_sample)
  • Number of detector channels(num_channels)
  • Polarization control voltage, cross-pol(polarization_control_voltage_cross_pol)
  • Telescope temperature(scope_temp)
  • Laser output energy per pulse(energy_monitor)
  • Number of samples used for co-pol averages(nsamples_co_pol_average)
  • Attenuated backscatter, cross pol(signal_return_cross_pol)
  • Dead time correction flag(dead_time_corrected)
  • time_in_seconds_since_volume_start(time)
  • Number of samples used for cross-pol averages(nsamples_cross_pol_average)
  • Subtract from range_bins to yield range(range_offset)
  • North Latitude(lat)
  • Background signal standard deviation, cross-pol(background_signal_std_cross_pol)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • Polarization control voltage, co-pol(polarization_control_voltage_co_pol)
  • Preliminary cloud base height above ground level, cross-pol(preliminary_cbh_cross_pol)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • lon(lon)
  • base time in epoch(base_time)
  • (aqc_signal_return_cross_pol)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • Distance to the center of the corresponding range bin(range)
  • (aqc_signal_return_co_pol)
  • Attenuated backscatter, co-pol(signal_return_co_pol)
more
sgpmplcmask1clothC1.c1:
  • Time offset from base_time(time_offset)
  • MPL Cloth et al. Algorithm Cloud Mask(CloudMaskMplCloth)
  • Range Heights (center of radar sample volume)(Heights)
  • base time in epoch(base_time)
more
sgpmplsmask1clothC1.c1:
  • Time offset from base_time(time_offset)
  • base time in epoch(base_time)
  • Range Heights (center of radar sample volume)(Heights)
  • MPL Cloth et al. Algorithm Significance Mask(SigniMaskMplCloth)
more

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