Datastream : RL

Raman lidar (RL): raw backscattered profiles at 355, 387, and 408 nm

Active Dates
1996.06.03 - 2012.09.22

Measurement Categories
Aerosols, Cloud Properties

Originating Instrument
Raman Lidar (RL)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement	Units	Variable
Nominal number of seconds of data acquired	seconds	acquisition_time ( time )
altitude	meters above Mean Sea Level	alt
Base time in Epoch	seconds since 1970-1-1 0:00:00 0:00	base_time
Cloud value check flag	unitless	cloud_value_check ( time )
Summed analog signal in the high depolarization channel	mV	depolarization_analog_high ( time, high_bins )
Number of photons counted in the high depolarization channel	counts	depolarization_counts_high ( time, high_bins )
Summed analog signal in the high elastic channel	mV	elastic_analog_high ( time, high_bins )
Summed analog signal in the low elastic channel	mV	elastic_analog_low ( time, low_bins )
Number of photons counted in the high elastic (aerosol) channel	counts	elastic_counts_high ( time, high_bins )
Number of photons counted in the low elastic (aerosol) channel	counts	elastic_counts_low ( time, low_bins )
Flag indicating the filters (or lack of) added to the instrument	unitless	filter ( time )
Laser head in use		laser_head ( time )
north latitude	degrees	lat
Summed analog signal in the liquid water channel	mV	liquid_analog_high ( time, high_bins )
Number of photons counted in the liquid water channel	counts	liquid_counts_high ( time, high_bins )
east longitude	degrees	lon
N2 cloud check value	unitless	n2_cloud_check_value ( time )
Backscattered radiation Summed analog signal in the high nitrogen channel	mV	nitrogen_analog_high ( time, high_bins )
Backscattered radiation Summed analog signal in the low nitrogen channel	mV	nitrogen_analog_low ( time, low_bins )
Backscattered radiation Number of photons counted in the high nitrogen channel	counts	nitrogen_counts_high ( time, high_bins )
Backscattered radiation Number of photons counted in the low nitrogen channel	counts	nitrogen_counts_low ( time, low_bins )
Laser pulse energy	milliJoules (mJ)	pulse_energy ( time )
Relative humidity inside the instrument enclosure	%	rh ( time )
Supplemental 1		s1 ( time )
Supplemental 2		s2 ( time )
Supplemental 3		s3 ( time )
Supplemental 4		s4 ( time )
Supplemental 5		s5 ( time )
Supplemental 6		s6 ( time )
Supplemental 7		s7 ( time )
Supplemental 8		s8 ( time )
Supplemental 9		s9 ( time )
Supplemental 10		s10 ( time )
Number of laser shots recorded for the high depolarization channel	unitless	shots_summed_depolarization_high ( time )
Number of laser shots recorded for the high elastic channel	unitless	shots_summed_elastic_high ( time )
Number of laser shots recorded for the low elastic channel	unitless	shots_summed_elastic_low ( time )
Number of laser shots recorded for the liquid water channel	unitless	shots_summed_liquid_high ( time )
Number of laser shots recorded for the high nitrogen channel	unitless	shots_summed_nitrogen_high ( time )
Number of laser shots recorded for the low nitrogen channel	unitless	shots_summed_nitrogen_low ( time )
Number of laser shots recorded for the temperature 1 channel	unitless	shots_summed_t1_high ( time )
Number of laser shots recorded for the temperature 2 channel	unitless	shots_summed_t2_high ( time )
Number of laser shots recorded for the high water channel	unitless	shots_summed_water_high ( time )
Number of laser shots recorded for the low water channel	unitless	shots_summed_water_low ( time )
Summed analog signal in the temperature 1 channel	mV	t1_analog_high ( time, high_bins )
Number of photons counted in the temperature 1 channel	counts	t1_counts_high ( time, high_bins )
Summed analog signal in the temperature 2 channel	mV	t2_analog_high ( time, high_bins )
Number of photons counted in the temperature 2 channel	counts	t2_counts_high ( time, high_bins )
Temperature 1 inside the instrument enclosure	degC	temp1 ( time )
Temperature 2 inside the instrument enclosure	degC	temp2 ( time )
Temperature 3 inside the instrument enclosure	degC	temp3 ( time )
Temperature 4 inside the instrument enclosure	degC	temp4 ( time )
Temperature 5 inside the instrument enclosure	degC	temp5 ( time )
Temperature 6 inside the instrument enclosure	degC	temp6 ( time )
Time offset from midnight		time ( time )
Time offset from base_time		time_offset ( time )
Summed analog signal in the high water vapor channel	mV	water_analog_high ( time, high_bins )
Summed analog signal in the low water vapor channel	mV	water_analog_low ( time, low_bins )
Number of photons counted in the high water vapor channel	counts	water_counts_high ( time, high_bins )
Number of photons counted in the low water vapor channel	counts	water_counts_low ( time, low_bins )