Field-scale evapotranspiration can vary across a research site. ATMOS 51 uses the variance-Bowen ratio method to measure actual ET in a compact system that can support additional measurement locations.

Field-scale evapotranspiration can vary across a research site. ATMOS 51 uses the variance-Bowen ratio method to measure actual ET in a compact system that can support additional measurement locations.
✋✋ #Spatiotemporal Changes in #Evapotranspiration and Its Influencing Factors in the Jiziwan Region of the Yellow #River from 1982 to 2018
✍️ Wenting Liu et al.
🔗 www.mdpi.com/2072-4292/17...
The ATMOS 51 VBR is not intended to replace eddy covariance. Colin Campbell explains how it fits alongside established methods and can expand field-scale actual ET measurements across more locations.
Crop coefficients use assumptions about crop and field conditions to estimate crop ET.
ATMOS 51 VBR directly measures field-scale actual ET, adding site-specific water-flux data to irrigation and water-balance decisions.