Precision Carbon Dioxide Mixing Ratio System (PGS)
Instrument Categories: Atmospheric Carbon
General Overview
![Picture of the Precision CO2 Mixing Ratio System (PGS)](https://webarchive.library.unt.edu/web/20090508180218im_/https://www.arm.gov/instruments/images/pgs.jpg)
This precision gas system (PGS) makes high-accuracy, high-precision measurements of CO2 mixing ratio (ppmv dry air) in air sampled at 2, 4, 25, and 60 m above the ground.
Primary Measurements Taken
The following measurements are those considered scientifically relevant. Refer to the netCDF File Header Descriptions (Data Object Design Files) for the list of all available measurements, including those recorded for diagnostic or quality assurance purposes.
Available Datastreams
- pgs - Precision Gas System (CO2): 2, 4, 25, 60 m
Sites / Facilities
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- Southern Great Plains (SGP)
- Central Facility, Lamont, OK (C1)
Mentor(s)
Margaret Torn
(510) 495-2223
mstorn@lbl.gov
Sebastien Biraud
associate
510-486-6084
SCBiraud@lbl.gov