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UC Davis shows eddy covariance network; OpenET comparisons vary and energy-balance issues remain

Delta Measurement Experimental Consortium (convened by Office of the Delta Watermaster / State Water Board) · December 2, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

UC Davis researchers presented two to three years of eddy covariance and soil-moisture data across six Delta sites, showed where OpenET matched tower measurements and where it deviated (notably during senescence/post-harvest), and flagged energy-balance-closure and site-footprint issues requiring further QA and subgroup review.

UC Davis researchers reported progress from a six-site eddy covariance and soil-probe network meant to ground-truth OpenET and better quantify evapotranspiration (ET) across Delta island management types.

Kosina Suwatadev (UC Davis) described the sensor layout (six towers with eddy covariance, meteorological sensors, soil moisture profilers and pressure transducers), noted the project runs through the end of next year, and showed site-level…

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