Datastream : HSRL

High Spectral Resolution Lidar

Active Dates
2011.01.21 - 2012.02.09

Measurement Categories
Aerosols, Cloud Properties

Originating Instrument
High Spectral Resolution Lidar (HSRL)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement	Units	Variable
Altitude above mean sea level	m	alt
Attenuated molecular return	1/(m sr)	atten_beta_r_backscat ( time, range )
Base time in Epoch	seconds since 1970-1-1 0:00:00 0:00	base_time
Particulate extinction cross section per unit volume	1/m	beta_a ( time, range )
Particulate backscatter cross section per unit volume	1/(m sr)	beta_a_backscat ( time, range )
Cross polarization dark count	counts	c_pol_dark_count ( time, range )
Times of calibration changes	unitless	cal_times ( calibration, time_vector )
Trigger of calibration change	unitless	cal_trigger ( calibration )
High gain combined photon counts	counts	combined_counts_hi ( time, range )
Low gain combined photon counts	counts	combined_counts_lo ( time, range )
High gain combined dark count	counts	combined_dark_count_hi ( time, range )
Low gain combined dark count	counts	combined_dark_count_lo ( time, range )
Combined gain factor	unitless	combined_gain ( calibration )
Combined merge threshold	unitless	combined_merge_threshold ( calibration )
Cross polarized photon counts	counts	cross_counts ( time, range )
Circular depolarization ratio for particulate	unitless	depol ( time, range )
Raob dewpoint temperature profile	K	dewpoint_profile ( calibration, range )
Laser frequency quality	unitless	frequency_quality ( time )
Overlap correction	unitless	geo_cor ( calibration, range )
North latitude	degree_N	lat
Aerosol in molecular calibration	unitless	lidar_calibration_Cam ( calibration, range )
Molecular in combined calibration	unitless	lidar_calibration_Cmc ( calibration, range )
Molecular in molecular calibration	unitless	lidar_calibration_Cmm ( calibration, range )
Laser lock quality	unitless	lock_quality ( time )
East longitude	degree_E	lon
Molecular calibration pulse	counts	mol_cal_pulse ( time )
Molecular dark count	counts	mol_dark_count ( time, range )
Molecular photon counts	counts	molecular_counts ( time, range )
Number of seeded shots	counts	num_seeded_shots ( time )
Optical depth of particulate	unitless	od ( time, range )
Piezovoltage	V	piezovoltage ( time )
Raob pressure profile	hPa	pressure_profile ( calibration, range )
Quality Mask	unitless	qc_mask ( time, range )
Height above lidar	m	range ( range )
Range resolution	m	range_resolution
Raob molecular scattering cross section per unit volume	1/m	raob_beta_m ( calibration, range )
Radiosonde station id	unitless	raob_station ( calibration, sondenamelength )
Radiosonde launch time offset	s	raob_time_offset ( calibration )
Radiosonde launch time vector	unitless	raob_time_vector ( calibration, time_vector )
Laser seeding quality	unitless	seed_quality ( time )
Std dev of backscat cross section (photon counting)	1/(m sr)	std_beta_a_backscat ( time, range )
Raob temperature profile	K	temperature_profile ( calibration, range )
Time offset from midnight		time ( time )
Time averaging width	s	time_average
Time offset from base_time		time_offset ( time )
Sounding maximum altitude	m	top_alt_sounding ( calibration )
Transmitted energy	J	transmitted_energy ( time )