Research / Campaigns

EPCAPE-UPP

EPCAPE - Ultrafine Particle Properties

15 April 2023 - 15 June 2023

Lead Scientist: James N. Smith

Observatory: AMF (ARM Mobile Facility 1) - EPC

This campaign combines a unique suite of instruments to probe the chemical and physical properties of ultrafine (sub-100-nm) atmospheric particles during the EPCAPE-Chem IOP (15 April to 15 June 2023) at the Mt. Soledad site near San Diego, California. This project will answer the questions:

What is the composition of ultrafine marine aerosol particles?
How does their composition relate to climatically important properties?

Our approach will combine direct measurements of size-fractionated ultrafine particles together with measurements of size-resolved ultrafine particle hygroscopicity and volatility. While the focus of this project is on the formation and evolution of ultrafine particles in a marine setting, the measurements and insights gained will be directly applicable to the formation and evolution of larger particles, with implications for air quality and climate in this important coastal region.

Browse Data

Campaign Links

Related Campaigns

Eastern Pacific Cloud Aerosol Precipitation Experiment

Timeline

Campaign Data Sets

IOP Participant	Data Source Name	Final Data
James N. Smith	Nano-Scanning Mobility Particle Sizer (SMPS)	Order Data
James N. Smith	Liquid Chromatography Mass Spectrometry	Order Data
James N. Smith	Volatility Tandem Differential Mobility Analyzer	Order Data
James N. Smith	Thermal Desorption Chemical Ionization Mass Spectrometer	Order Data
James N. Smith	Tandem Differential Mobility Analyzer	Order Data

EPC Data Sources

Name	Full Name	Browse Data
`ACSM`	Aerosol Chemical Speciation Monitor	Browse Data
`ACSMCDCE`	ACSM, corrected for composition-dependent collection efficiency	Browse Data
`AERI`	Atmospheric Emitted Radiance Interferometer	Browse Data
`AERINF`	AERI Noise Filtered	Browse Data
`AETH`	Aethalometer	Browse Data
`AOD-MFRSR`	Aerosol Optical Depth (AOD) derived from MFRSR measurements	Browse Data
`AOP`	Aerosol Optical Properties	Browse Data
`AOS`	Aerosol Observing System	Browse Data
`AOSMET`	Meteorological Measurements associated with the Aerosol Observing System	Browse Data
`APS`	Aerodynamic Particle Sizer	Browse Data
`AREALAVEALB`	Areal-Averaged Surface Albedo	Browse Data
`ARMBE`	ARM Best Estimate Data Products	Browse Data
`ARMTRAJ`	Airmass trajectories to support studies using ARM data	Browse Data
`CAMSITE`	camera that monitors a site area	Browse Data
`CCN`	Cloud Condensation Nuclei Particle Counter	Browse Data
`CCNKAPPA`	CCN Counter derived hygroscopicity parameter kappa	Browse Data
`CEIL`	Ceilometer	Browse Data
`CEILPBLHT`	Boundary-layer height data with CEIL	Browse Data
`CLDTYPE`	Cloud Type Classification	Browse Data
`CLOUDRADARCOR`	Cloud Radar (KAZR, KAZR2, or MWACR) Corrected VAP	Browse Data
`CO-ANALYZER`	Carbon Monoxide Analyzer	Browse Data
`CPC`	Condensation Particle Counter	Browse Data
`CSPHOT`	Sunphotometer	Browse Data
`DL`	Doppler Lidar	Browse Data
`DLPROF-WIND`	Doppler Lidar Wind	Browse Data
`DLPROF-WSTATS`	Doppler Lidar Vertical Velocity Statistics	Browse Data
`ECOR`	Eddy Correlation Flux Measurement System	Browse Data
`GNDRAD`	Ground Radiometers on Stand for Upwelling Radiation	Browse Data
`HTDMA`	Humidified Tandem Differential Mobility Analyzer	Browse Data
`HUMIDIGRAPH`	humidigraph class for DQR submissions	Browse Data
`INS`	Ice Nucleation Spectrometer for INP measurement	Browse Data
`INTERPSONDE`	Interpolated Sonde	Browse Data
`IRT`	Infrared Thermometer	Browse Data
`KASACR`	Ka-Band Scanning ARM Cloud Radar	Browse Data
`KAZR`	Ka ARM Zenith Radar	Browse Data
`KAZRARSCL`	Active Remote Sensing of CLouds (ARSCL) product using Ka-band ARM Zenith Radars	Browse Data
`LDIS`	Laser Disdrometer	Browse Data
`LDQUANTS`	Laser Disdrometer Quantities	Browse Data
`MAWS`	Automatic Weather Station	Browse Data
`MERGEDAEROSOL`	Merged Aerosol VAP	Browse Data
`MERGEDSMPSAPS`	merged size distribution from SMPS and APS	Browse Data
`MERGEDSMPSAPSML`	merged size distribution from SMPS and APS, Machine Learning	Browse Data
`MET`	Surface Meteorological Instrumentation	Browse Data
`MFR`	Multifilter Radiometer	Browse Data
`MFRSR`	Multifilter Rotating Shadowband Radiometer	Browse Data
`MFRSRCLDOD`	Cloud Optical Properties from MFRSR Using Min Algorithm	Browse Data
`MICROBASE`	Continuous Baseline Microphysical Retrieval	Browse Data
`MONITORINST`	sensors for providing instrument system monitoring	Browse Data
`MPL`	Micropulse Lidar	Browse Data
`MPLCMASK`	Cloud mask from Micropulse Lidar	Browse Data
`MWR`	Microwave Radiometer	Browse Data
`MWR3C`	Microwave Radiometer, 3 Channel	Browse Data
`MWRHF`	Microwave Radiometer - High Frequency	Browse Data
`MWRRET`	MWR Retrievals	Browse Data
`MWRRETV2`	MWR Retrievals with MWRRET Version 2	Browse Data
`NDROP`	Droplet number concentration	Browse Data
`NEPHELOMETER`	Nephelometer	Browse Data
`NFOV`	Narrow Field of View Zenith Radiometer	Browse Data
`OPC`	Optical Particle Counter	Browse Data
`ORG`	Optical Rain Gauge	Browse Data
`OZONE`	Ozone Monitor	Browse Data
`PBLHT`	Planetary Boundary Layer Height	Browse Data
`PSAP`	Particle Soot Absorption Photometer	Browse Data
`QCECOR`	Quality Controlled Eddy Correlation Flux Measurement	Browse Data
`QCRAD`	Data Quality Assessment for ARM Radiation Data	Browse Data
`RADFLUXANAL`	Radiative Flux Analysis	Browse Data
`RAIN`	Rain Gauge	Browse Data
`RWP`	Radar Wind Profiler	Browse Data
`SASHE`	Shortwave Array Spectroradiometer-Hemispheric	Browse Data
`SASZE`	Shortwave Array Spectroradiometer-Zenith	Browse Data
`SEBS`	Surface Energy Balance System	Browse Data
`SKYRAD`	Sky Radiometers on Stand for Downwelling Radiation	Browse Data
`SMPS`	Scanning mobility particle sizer	Browse Data
`SO2`	Sulfur Dioxide Monitor	Browse Data
`SONDE`	Balloon-Borne Sounding System	Browse Data
`SONDEGRID`	Gridded Sonde VAP Product	Browse Data
`SONDEPARAM`	convective parameters derived from radiosonde data	Browse Data
`SP2`	Single Particle Soot Photometer	Browse Data
`SPHOTCOD`	Cloud optical depth retrieved from multi-channel sunphotometer	Browse Data
`THERMOCLDPHASE`	Thermodynamic Cloud Phase	Browse Data
`TROPOE`	Tropospheric Optimal Estimation Retrieval	Browse Data
`TSI`	Total Sky Imager	Browse Data
`UHSAS`	Ultra-High Sensitivity Aerosol Spectrometer	Browse Data
`VARANAL`	Constrained Variational Analysis	Browse Data
`VDIS`	Video Disdrometer	Browse Data
`VDISQUANTS`	Video Disdrometer VAP	Browse Data
`VISST`	Minnis Cloud Products Using Visst Algorithm	Browse Data
`WB`	Weighing Bucket Precipitation Gauge	Browse Data
`WSACR`	W-band Scanning ARM Cloud Radar	Browse Data