Datastream : AOSPASS3W
AOS: 3 wavelength Photoacoustic Soot Spectrometer
Active Dates
2009.02.19 - 2012.08.26
Measurement Categories
Aerosols
Originating Instrument
Aerosol Observing System (AOS)
Measurements
Only measurements considered scientifically relevant are shown below by default.
Show all measurements
| Measurement | Units | Variable |
|---|---|---|
| Absorption coefficient, 405 nm wavelength | 1/Mm | absorption_coefficient_405nm ( time ) |
| Absorption, 532 nm wavelength | 1/Mm | absorption_coefficient_532nm ( time ) |
| Absorption coefficient, 781nm wavelength | 1/Mm | absorption_coefficient_781nm ( time ) |
| Acoustic pressure at resonance | dB | acoustic_pressure ( time ) |
| Altitude above mean sea level | m | alt |
| Average background subtracted from absorption coefficient, 405nm | 1/Mm | avg_background_subtracted_absorp_coef_405nm ( time ) |
| Average background subtracted from absorption coefficient, 532nm | 1/Mm | avg_background_subtracted_absorp_coef_532nm ( time ) |
| Average background subtracted from absorption coefficient, 781nm | 1/Mm | avg_background_subtracted_absorp_coef_781nm ( time ) |
| Average background subtracted from scattering coefficient, 405nm | 1/Mm | avg_background_subtracted_scat_coef_405nm ( time ) |
| Average background subtracted from scattering coefficient, 532nm | 1/Mm | avg_background_subtracted_scat_coef_532nm ( time ) |
| Average background subtracted from scattering coefficient, 781nm | 1/Mm | avg_background_subtracted_scat_coef_781nm ( time ) |
| Base time in Epoch | seconds since 1970-1-1 0:00:00 0:00 | base_time |
| Dew point temperature | deg C | dew_point_temperature ( time ) |
| Laser power, 405 nm wavelength | mW | laser_power_405nm ( time ) |
| Laser power, 532 nm wavelength | mW | laser_power_532nm ( time ) |
| Laser power, 781 nm wavelength | mW | laser_power_781nm ( time ) |
| North latitude | degree_N | lat |
| East longitude | degree_E | lon |
| Pressure | mB | pressure ( time ) |
| Resonance frequency | Hz | resonance_frequency ( time ) |
| Relative humidity | % | rh ( time ) |
| Running average indicator, 0=no, 1=yes | unitless | running_average ( time ) |
| Indicates occurrence of background zero | unitless | sample_measurement_flag ( time ) |
| Scattering coefficient, 405 nm wavelength | 1/Mm | scattering_coefficient_405nm ( time ) |
| Scattering coefficient, 532 nm wavelength | 1/Mm | scattering_coefficient_532nm ( time ) |
| Scattering coefficient, 781 nm wavelength | 1/Mm | scattering_coefficient_781nm ( time ) |
| Temperature | deg C | temperature ( time ) |
| Laser temperature | deg C | temperature_laser ( time ) |
| Time offset from midnight | time ( time ) | |
| Time offset from base_time | time_offset ( time ) | |
| Uncertainty estimate for absorption coefficient, 405 nm wavelength | 1/Mm | uncertainty_estimate_405nm ( time ) |
| Uncertainty estimate for absorption coefficient, 532 nm wavelength | 1/Mm | uncertainty_estimate_532nm ( time ) |
| Uncertainty estimate for absorption coefficient, 781nm wavelength | 1/Mm | uncertainty_estimate_781nm ( time ) |
