Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 20
Articles | Volume 23, issue 20
https://doi.org/10.5194/bg-23-7253-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-7253-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 20
Research article
 | 
16 Oct 2026
Research article |  | 16 Oct 2026

Tracking crop evapotranspiration and water stress across seasons using multi-sensor UAV observations

Jordan Steven Bates, Carsten Montzka, Harry Vereecken, and François Jonard

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Latest update: 16 Oct 2026
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Short summary
We used drones with thermal, multispectral, and laser sensors to measure crop water use across three growing seasons. Combining temperature with information on both green and structural plant growth improved estimates of crop water use, particularly as crops aged or experienced stress. The approach revealed detailed patterns of reduced water use across fields, supporting earlier identification of crop stress.
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