EPCAPE-PT-LANL Measurements: Soot Particle Aerosol Mass Spectrometer
- ORNL
Coastal cities offer a unique environment for studying aerosol-cloud interactions and the effects of urban emissions on cloud properties. As part of the Eastern Pacific Cloud Aerosol Precipitation Experiment (EPCAPE), the Partitioning Thrust by Los Alamos National Laboratory (EPCAPE-PT-LANL) was conducted. Our campaign focused on measuring the optical and chemical properties of aerosols and their interactions within marine stratocumulus clouds in La Jolla, California. EPCAPE-PT-LANL enhances the primary goals of EPCAPE through innovative observations of vapor-phase transitions between aerosols and cloud droplets, the impact of black carbon on aerosol-cloud dynamics, and the effects of cloud processing on aerosol optical properties.
Instrument: Soot particle-Aerosol Mass Spectrometer. (Aerodyne Inc.)
Header:
- Organic_GCVIoff[ug/m3]: Concentration of organic compounds measured via the Main Inlet (out-of-cloud) in micrograms per cubic meter.
- Nitrate_GCVIoff[ug/m3]: Concentration of nitrate measured via the Main Inlet (out-of-cloud) in micrograms per cubic meter.
- Sulfate_GCVIoff[ug/m3]: Concentration of sulfate measured via the Main Inlet (out-of-cloud) in micrograms per cubic meter.
- Chloride_GCVIoff[ug/m3]: Concentration of chloride measured via the Main Inlet (out-of-cloud) in micrograms per cubic meter.
- Ammonium_GCVIoff[ug/m3]: Concentration of ammonium via the Main Inlet (out-of-cloud) in micrograms per cubic meter.
- Organic_GCVIon[ug/m3]: Concentration of organic compounds measured in-cloud via CVI in micrograms per cubic meter.
- Nitrate_GCVIon[ug/m3]: Concentration of nitrate measured in-cloud via CVI in micrograms per cubic meter.
- Sulfate_GCVIon[ug/m3]: Concentration of sulfate measured in-cloud via CVI in micrograms per cubic meter.
- Chloride_GCVIon[ug/m3]: Concentration of chloride measured in-cloud via CVI in micrograms per cubic meter.
- Ammonium_GCVIon[ug/m3]: Concentration of ammonium measured in-cloud via CVI in micrograms per cubic meter.
- CVI_Flag[bool]: A boolean flag indicating whether the CVI was active (true) or inactive (false) during the measurement.
- Research Organization:
- Atmospheric Radiation Measurement (ARM) Archive, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (US); ARM Data Center, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- Contributing Organization:
- PNNL, BNL, ANL, ORNL
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 2377180
- Report Number(s):
- ARM0862
- Availability:
- ORNL
- Country of Publication:
- United States
- Language:
- English
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