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The LI7500A is LI-COR's open-path, high-speed, high-precision, nondispersive-infrared gas analyzer (IRGA). It accurately measures the in-situ densities of carbon dioxide and... |
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The KH20 is a highly sensitive hygrometer designed for measurement of rapid fluctuations in atmospheric water vapor. It does not... |
By finding the covariance between the vertical wind speed fluctuations with temperature as determined by the CSAT3 or CA27 (with 127TC) against humidity and carbon dioxide fluctuations, as measured by fast response sensors like a fine wire thermocouple (FW05), krypton hygrometer (KH20), or an open path CO2/H2O analyzer (LI7500), 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.