Heat, Vapor, and CO2 Flux
Eddy covariance measurements
EC150 Open-Path Gas Analyzer
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Campbell Scientific’s EC150 is an in-situ open path analyzer specifically designed for eddy covariance flux measurements. As a stand-alone analyzer, it... |
EC155 Closed-Path Gas Analyzer
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Note: The EC155 is temporarily unavailable for orders. Campbell Scientific's EC155 is an in-situ closed-path analyzer specifically designed for eddy covariance flux... |
FW05 Fine Wire Thermocouple
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The FW05 is a type E thermocouple with a 0.0005-inch diameter. This thermocouple has research-grade accuracy and its small mass makes... |
KH20 Krypton Hygrometer
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The KH20 is a highly sensitive hygrometer designed for measurement of rapid fluctuations in atmospheric water vapor, not absolute concentrations. It... |
CSAT3 3-D Sonic Anemometer
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The CSAT3 is a three-dimensional sonic anemometer. It measures wind speed and the speed of sound on three axes. From these... |
127TC Fine Wire Thermocouple for CA27
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This fine wire thermocouple provides temperature measurements and is designed specifically for use with the velocity measurements made by the retired... |
About Heat, Vapor, and CO2 Flux
By finding the covariance between the vertical wind speed fluctuations with temperature against humidity and carbon dioxide fluctuations, the sensible and latent heat flux, as well as vapor and CO2 fluxes, can be found. Virtual sensible heat flux can be determined by finding the covariance between the sonically determined temperature and vertical wind speed fluctuations.