ebbr: Energy Balance Bowen Ratio Station

The energy balance Bowen ratio (EBBR) system produces 30-minute estimates of the vertical fluxes of sensible and latent heat at the surface. The EBBR calculates flux estimates 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 reduce errors from instrument offset drift.



  • Fixed
  • AMF1
  • AMF2
  • AMF3


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Research Highlight

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Research Highlight

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Research Highlight


Lu Y, S Steele-Dunne, and G De Lannoy. 2019. "Improving soil moisture and surface turbulent heat flux estimates by assimilation of SMAP brightness temperatures or soil moisture retrievals and GOES land surface temperature retrievals." Journal of Hydrometeorology, 21(2), 10.1175/JHM-D-19-0130.1.

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Research Highlight

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