Datastream : AOSSMPS
AOS: Scanning-Mobility Particle Sizer
Active Dates
2012.07.03 - 2012.10.03
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 |
|---|---|---|
| Aerosol flow rate | lpm | aerosol_flow ( time ) |
| Altitude above mean sea level | m | alt |
| Base time in Epoch | seconds since 1970-1-1 0:00:00 0:00 | base_time |
| CPC inlet flow rate | lpm | cpc_inlet_flow ( time ) |
| CPC sample flow rate | lpm | cpc_sample_flow ( time ) |
| 50 percent cut-point diameter of the impactor | nm | d50 ( time ) |
| Bins for diameter midpoint measurements | nm | diameter_midpoint ( diameter_midpoint ) |
| Gas viscosity | Pa*s | gas_viscosity ( time ) |
| Mean diameter of size distribution using a geometric average | nm | geometric_mean ( time ) |
| Standard deviation of mean diameter of size distribution using geometric average | nm | geometric_mean_std ( time ) |
| High voltage reading | volt | high_voltage ( time ) |
| North latitude | degree_N | lat |
| East longitude | degree_E | lon |
| Low voltage reading | volt | low_voltage ( time ) |
| Lower size limit | nm | lower_size ( time ) |
| Mean diameter of size distribution | nm | mean ( time ) |
| Mean free path | m | mean_free_path ( time ) |
| Median diameter of size distribution | nm | median ( time ) |
| Mode diameter of size distribution | nm | mode ( time ) |
| Number size distribution (dN/dlogDp) | #/cm^3 | number_size_distribution ( time, diameter_midpoint ) |
| Sample pressure | kPa | sample_pressure ( time ) |
| Sample temperature | C | sample_temperature ( time ) |
| Sheath flow | lpm | sheath_flow ( time ) |
| Status flag (0=normal scan, 1= xxx, 2=xxx) | unitless | status_flag ( time ) |
| Time offset from midnight | time ( time ) | |
| Time offset from base_time | time_offset ( time ) | |
| Total concentration | #/cm^3 | total_concentration ( time ) |
Locations
- ARM Mobile Facility (PVC)
- Highland Center, Cape Cod MA; MAOS (S1)
- Highland Center, Cape Cod MA; MAOS (S1)
