Home » Surface In-Situ Instruments » Autonomous Inexpensive Robust CO2 Analyer
Autonomous Inexpensive Robust CO2 Analyer
STATUS
Operational
AVAILABILITY
These instruments are currently available for collaborative projects on a resource recovery basis.
REQUEST PROCEDURE
Contact PI Britt Stephens to discuss possible collaborations.
Surface In-Situ Instruments
AIRCOA makes well-calibrated CO2 concentration measurements from three heights with a resolution of 2.5 minutes
CONTACT
Britton Stephens
NCAR EOL/TIIMES
1850 Table Mesa Dr. Boulder, CO 80305
303-497-1018
stephens@ucar.edu
http://www.eol.ucar.edu/~stephens
SPECIFICATIONS
TypeChemical
Instrument TypeChemistry instrument
EnvironmentLand
Location5 existing sites in Rocky Mountains
Archive Data Availabilitypublicly available: http://raccoon.ucar.edu
VariablesCO2 concentration
Time PeriodSeptember 2005 to present
Instrument Maturitycontinuous field operation with minimal maintenance for past 2 years
WavebandN/A
Dervied VariablesN/A
Chemical PhaseGas phase
Chemical CompoundsCO2
TechniqueIR Absorption
Sampling Rate1 – 15 minutes
Detection Limit101 – 200 ppbv (1 minute)
REFERENCES
Stephens, B., A. Watt, and G. Maclean, An autonomous inexpensive robust CO2 analyzer (AIRCOA). 13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracers Measurement Techniques, WMO TD 1359, 95-99, 2006.
REMARKS
10 existing instruments, of which 5 are currently semi-permanently deployed and 2 others are committed for new deployments.
UPDATED ON
23 Sep 2009 20:36