Home » Surface In-Situ Instruments » NCAR-BAI REAs and DEAs
NCAR-BAI REAs and DEAs
STATUS
Available
AVAILABILITY
for collaborative projects
REQUEST PROCEDURE
contact Alex Guenther
Surface In-Situ Instruments
Collects air samples using relaxed eddy accumulation (REA) or disjunct eddy accumulation DEA) approaches for flux measurements. Samples can be analyzed later by GC and other relatively slow techniques.
CONTACT
Alex Guenther
NCAR ESSL
NCAR-ESSL PO Box 3000 Boulder CO USA 80307-3000
303 497 1447
guenther@ucar.edu
http://bai.acd.ucar.edu
SPECIFICATIONS
TypeChemical
Flux
Instrument TypeOther instrument
EnvironmentLand
Locationmany
Archive Data Availabilitycontact Alex Guenther
VariablesVOC concentration
Time Period1994-present
Instrument MaturityMature
WavebandN/A
Dervied VariablesVOC flux
Chemical PhaseGas phase
Chemical Compoundsvarious
TechniqueGC/MS
Sampling Rate≥ 10 Hz
Detection Limit
REFERENCES
Guenther, A., W. Baugh, P. Zimmerman, L. Klinger, P. Harley, H. Westberg, L. Vierling, B. Lamb, E. Allwine, S. Dilts, D. Baldocchi, C. Geron, and T. Pierce, Isoprene fluxes measured by enclosure, relaxed eddy accumulation, surface-layer gradient, mixed-layer gradient, and mass balance techniques, J. Geophys. Res., 101, 18555-18568, 1996.
REMARKS
Ten REA systems are deployed as part of a global flux network. Several additoinal REAs and a DEA are available.
UPDATED ON
7 Sep 2009 21:52