Energy Balance Bowen Ratio Station (EBBR) Instrument Handbook
Author(s) -
DR Cook
Publication year - 2011
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/1020562
Subject(s) - bowen ratio , sunrise , sunset , meteorology , sensible heat , environmental science , aerodynamics , latent heat , energy balance , flux (metallurgy) , atmospheric sciences , heat flux , offset (computer science) , mechanics , physics , heat transfer , materials science , thermodynamics , optics , computer science , metallurgy , programming language
The energy balance Bowen ratio (EBBR) system produces 30-minute estimates of the vertical fluxes of sensible and latent heat at the local surface. Flux estimates are calculated from observations of net radiation, soil surface heat flux, and the vertical gradients of temperature and relative humidity (RH). Meteorological data collected by the EBBR are used to calculate bulk aerodynamic fluxes, which are used in the Bulk Aerodynamic Technique (BA) EBBR value-added product (VAP) to replace sunrise and sunset spikes in the flux data. A unique aspect of the system is the automatic exchange mechanism (AEM), which helps to reduce errors from instrument offset drift
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