Datastream : AOSCCN100
Aerosol Observing System (AOS): cloud condensation nuclei data
Active Dates
2010.10.08 - 2012.09.21
Measurement Categories
Aerosols, Cloud Properties
Originating Instrument
Aerosol Observing System (AOS)
Measurements
Only measurements considered scientifically relevant are shown below by default.
Show all measurements
| Measurement | Units | Variable |
|---|---|---|
| AOS CCN set point temperature for the optical partical counter (OPC) | degrees C | CCN_OPC_set ( time ) |
| AOS CCN sample pressure | hPa | CCN_P_sample ( time ) |
| AOS CCN volumetric flowrate of sample air | cm^3/minute | CCN_Q_sample ( time ) |
| AOS CCN volumetric flowrate of sheath air | cm^3/minute | CCN_Q_sheath ( time ) |
| AOS CCN temperature of the optical particle counter | degrees C | CCN_T_OPC ( time ) |
| AOS CCN temperature of sample air at entrance to instrument | degrees C | CCN_T_inlet ( time ) |
| AOS CCN set point temperature for the inlet manifold | degrees C | CCN_T_inlet_set ( time ) |
| AOS CCN Nafion temperature | degrees C | CCN_T_nafion ( time ) |
| AOS CCN set temperature for the Nafion humidifier | degrees C | CCN_T_nafion_set ( time ) |
| AOS CCN temperature of sample air entering the column | degrees C | CCN_T_sample ( time ) |
| CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem | unitless | CCN_alarm_code ( time ) |
| AOS CCN voltage used by DMT for OPC diagnostic purposes | volt | CCN_baseline_monitor ( time ) |
| First stage monitor voltage | V) | CCN_first_stage_monitor_voltage ( time ) |
| AOS CCN set point temperature for the inlet manifold | degrees C | CCN_inlet_set ( time ) |
| AOS CCN OPC laser current | mA | CCN_laser_current ( time ) |
| AOS CCN set temperature for the Nafion humidifier | degrees C | CCN_nafion_set ( time ) |
| Number of particles that are larger than 10um | count | CCN_overflow ( time ) |
| CCN Proportional valve voltage | V | CCN_proportional_valve_voltage ( time ) |
| AOS CCN sample saturation setpoint value reported by instrument | % | CCN_ss_set ( time ) |
| AOS CCN super saturation (calculated) | % | CCN_super_saturation_calculated ( time ) |
| AOS CCN observed temperature at top of column | degrees C | CCN_t_read_TEC1 ( time ) |
| AOS CCN observed temperature at middle of column | degrees C | CCN_t_read_TEC2 ( time ) |
| AOS CCN (read) temperature at bottom of column | degrees C | CCN_t_read_TEC3 ( time ) |
| AOS CCN set point for temperature at top of column | degrees C | CCN_t_set_TEC1 ( time ) |
| AOS CCN set point for temperature at middle of column | degrees C | CCN_t_set_TEC2 ( time ) |
| AOS CCN set point for temperature at bottom of column | degrees C | CCN_t_set_TEC3 ( time ) |
| Hexadecimal flag, non-zero value means instrument is not operating stably | unitless | CCN_temp_unstable_flag ( time ) |
| CCN temperature gradient | degrees C | CCN_temperature_gradient ( time ) |
| Standard deviation of CCN temperature gradient (CCN_t_read_TEC3 - CCN_t_read_TEC1) | degrees C | CCN_temperature_std ( time ) |
| Size of upper limit of each CCN bin | um | CCN_upper_size_limit ( num_bins ) |
| AOS number concentration of CCN | 1/cm^3 | N_CCN ( time ) |
| AOS bin number of lowest channel of OPC include in summation of N_CCN | unitless | N_CCN_bin_number ( time ) |
| AOS CCN number concentration by bin | count | N_CCN_dN ( time, num_bins ) |
| Altitude above mean sea level | m | alt |
| Base time in Epoch | seconds since 1970-1-1 0:00:00 0:00 | base_time |
| North latitude | degree_N | lat |
| East longitude | degree_E | lon |
| Time offset from midnight | time ( time ) | |
| Time offset from base_time | time_offset ( time ) |
Locations
- North Slope Alaska (NSA)
- Southern Great Plains (SGP)
- Central Facility, Lamont, OK (C1)
- Central Facility, Lamont, OK (C1)
- ARM Mobile Facility (PGH)
- ARIES Observatory, Nainital, Uttarkhand, India (M1)
- ARIES Observatory, Nainital, Uttarkhand, India (M1)
- ARM Mobile Facility (PVC)
- Highland Center, Cape Cod MA; AMF 1 (M1)
- Highland Center, Cape Cod MA; AMF 1 (M1)
- ARM Mobile Facility (SBS)
- Steamboat Springs CO, Christie Peak (S2)
- Steamboat Springs CO, Christie Peak (S2)
