Met Office Cardington: LI-COR LI-7500 Gas Analyser
Fast response humidity measurements are made using a LI-COR LI-7500 open path CO2/H20 gas analyser, located at the top of the 10m tower at the Cardington site. In addition to measuring water vapour, this instrument is capable of measuring atmospheric carbon dioxide concentration. When combined with simultaneous data from a sonic anemometer, humidity and CO2 fluxes can be calculated.
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