Datastream : AOSSO2

AOS: Sulfur Dioxide Analyzer

Active Dates
2012.06.24 - 2015.12.01

Measurement Categories
Atmospheric Carbon, Atmospheric State

Originating Instrument
Aerosol Observing System (AOS)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
Altitude above mean sea level m alt
Instrument automatic gain control % automatic_gain_control ( time )
Instrument averaging time seconds averaging_time ( time )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Diagnostic +3.3 volt at motherboard V diagnostic_voltage_mb_3p3 ( time )
Diagnostic +5 volts at motherboard V diagnostic_voltage_mb_5 ( time )
Diagnostic +15 volts at motherboard V diagnostic_voltage_mb_15 ( time )
Diagnostic +24 volts at motherboard V diagnostic_voltage_mb_24 ( time )
Diagnostic -3.3 volts at motherboard V diagnostic_voltage_mb_minus_3p3 ( time )
Diagnostic +3.3 volts at measurement interface board V diagnostic_voltage_mib_3p3 ( time )
Diagnostic +5 volts at measurement interface board V diagnostic_voltage_mib_5 ( time )
Diagnostic +15 volts at measurement interface board V diagnostic_voltage_mib_15 ( time )
Diagnostic +24 volts at measurement interface board V diagnostic_voltage_mib_24 ( time )
Diagnostic -15 volts at measurement interface board V diagnostic_voltage_mib_minus_15 ( time )
Instrument flash lamp state unitless flash_lamp_state ( time )
Sample flow L/min flow ( time )
Instrument sample state unitless gas_mode_state ( time )
Internal instrument temperature degC internal_temp ( time )
Measure of the current lamp intensity as a percentage of the nominal maximum. This will be used as a diagnostic of the lamp aging. % lamp_intensity ( time )
Instrument lamp setpoint counts lamp_setpoint ( time )
Lamp voltage V lamp_volt ( time )
North latitude degree_N lat
Length of each flag string in so2_flags field unitless length ( length )
East longitude degree_E lon
Actual mass flow through mass flow controller 1 cc/min mass_flow_through_MFC_1 ( time )
Actual mass flow through mass flow controller 2 cc/min mass_flow_through_MFC_2 ( time )
Instrument PMT status 0=off, 1=on, 2=null unitless pmt_status ( time )
PMT voltage V pmt_volt ( time )
Sample pressure mm Hg pressure ( time )
Instrument pressure compensation state unitless pressure_compensation_state ( time )
Instrument purge mode state unitless purge_mode_state ( time )
Instrument range setting ppbv range ( time )
Reaction chamber temperature degC reaction_chamber_temp ( time )
Set point for mass flow controller 1 cc/min set_point_for_MFC_1 ( time )
Set point for mass flow controller 2 cm^3/min set_point_for_MFC_2 ( time )
Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction ppbv so2 ( time )
Instrument SO2 background correction ppbv so2_background_correction ( time )
Instrument SO2 coefficient unitless so2_coefficient ( time )
SO2 flag string unitless so2_flags ( time, string_length )
Instrument temperature compensation state 0=off, 1=on unitless temperature_compensation_state ( time )
Instrument test LED state unitless test_led ( time )
Time offset from midnight time ( time )
Time offset from base_time time_offset ( time )
Valve position for mass flow controller 1 unitless valve_position_MFC_1 ( time )
Valve position mass flow controller 2 unitless valve_position_MFC_2 ( time )

Locations

ARM Mobile Facility
MAOS1 Browse Data Browse PlotsManacapuru, Amazonas, Brazil; MAOS
PVCS1 Browse Data Browse PlotsHighland Center, Cape Cod MA; MAOS retired
 retired = Originating instrument has been retired at this location