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Energy Balance Bowen Ratio Station (EBBR)

Instrument Categories: Surface/Subsurface Properties

General Overview

Picture of the Energy Balance Bowen Ratio (EBBR)

The Energy Balance Bowen Ratio (EBBR) system produces 30 min 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. 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.

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 Value-Added Products

This instrument is an input to the following value-added products, which provide improved measurements or derived quantities.

Available Datastreams

Sites / Facilities

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Mentor(s)

David Cook
(630) 252-5840
drcook@anl.gov