Theoretically determined linear depolarization of particles (molecular removed). Depolarization is measured using circular polarizations and converted to the linear depolarization ratio assuming the volume consists of randomly oriented particles.
Particle_Linear_
Depolarization_Ratio_variance
Estimated square error of the particle linear depolarization ratio
Volume_Linear_
Depolarization_Ratio
Theoretically determined linear depolarization of the volume. Depolarization is measured using circular polarizations assuming the volume consists of randomly oriented particles.
Volume_Linear_
Depolarization_Ratio_variance
Estimated square error of the volume linear depolarization ratio
Low_Gain_Total_
Backscatter_Channel
photon counts
Parallel polarization, low gain, combined aerosol and molecular returns
Low_Gain_Total_
Backscatter_Channel_variance
range_Raw_Low_Gain_
Total_Backscatter_Channel
m
Raw_Low_Gain_Total_
Backscatter_Channel
photon counts
Parallel polarization, low gain, combined aerosol and molecular returns
Raw_Low_Gain_Total_
Backscatter_Channel_variance
High_Gain_Total_
Backscatter_Channel
photon counts
Parallel polarization, high gain, combined aerosol and molecular returns
High_Gain_Total_
Backscatter_Channel_variance
range_Raw_High_Gain_
Total_Backscatter_Channel
m
Raw_High_Gain_Total_
Backscatter_Channel
photon counts
Parallel polarization, high gain, combined aerosol and molecular returns
Cross polarization combined aerosol and molecular returns
Cross_Polarization_
Channel_variance
range_Raw_Cross_
Polarization_Channel
m
Raw_Cross_Polarization_
Channel
photon counts
Cross polarization combined aerosol and molecular returns
Raw_Cross_Polarization_
Channel_variance
Merged_Combined_
Channel
photon counts
Merged hi/lo gain combined channel
Merged_Combined_
Channel_variance
Merged_Combined_
Channel_mask
1=masked
0=not masked
Aerosol_Extinction_
Coefficient
m-1
Aerosol extinction coefficient
Aerosol_Extinction_
Coefficient_variance
Aerosol_Extinction_
Coefficient_mask
1=masked
0=not masked
Optical_Depth
Total optical depth from aircraft altitude
Optical_Depth_variance
polarization
radians
System quarter waveplate orientation
TelescopeDirection
1=lidar pointing up 0=lidar pointing down
TASX
m/s
Airspeed
PSXC
hPa
Ambient pressure
PITCH
degrees
Aircraft pitch angle
GGLON
degrees
Longitude
GGALT
m
Altitude
THDG
degrees
Aircraft heading
GGLAT
degrees
Latitude
ROLL
degrees
Aircraft roll angle
ATX
C
Ambient temperature
lidar_pointing
Lidar pointing vector in global coordinate frame. Positive axis is directed: index 0 = North, index 1 = East, index 2 = Down
time_offset_deriv
s
>Estimated time offset between aircraft and HSRL data systems based on derivative of aircraft attitude signal. This is accounted for in data processing and does not need to be applied to the data.
est_bin0
MCS bin number
Estimated MCS bin corresponding to t=0 on the lidar pulse
time_offset_lms
s
>Estimated time offset between aircraft and HSRL data systems based on combined_hi aircraft attitude signal.This is accounted for in data processing and does not need to be applied to the data.
time_offset_total
s
Estimated time offset between aircraft and HSRL data systems based on combined aircraft attitude and derivative of aircraft attitude signals.This is accounted for in data processing and does not need to be applied to the data.
time_offset
s
>Time offset between aircraft and HSRL data systems used in processing this dataset.This is accounted for in data processing and does not need to be applied to the data.
bin0
MCS bin number
>Actual MCS bin corresponding to t=0 on the lidar pulse used in this processing.This is accounted for in data processing and does not need to be applied to the data.