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Towards precision irrigation scheduling from UAV-based observations: Model structure
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DOI：10.1016/j.envsoft.2026.107065.png)
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Abstract
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• A conceptual soil moisture model is proposed to link UAV-based near-surface observations with root zone soil moisture for precision irrigation scheduling. • A two-layer model with soil moisture redistribution based on the Buckingham-Darcy equation and water-stress adjusted evapotranspiration provides accurate root zone soil moisture estimates. • The two-layer model is numerically stable and accurate across different root zone definitions.
Keywords:
soil moisture
conceptual soil moisture model
Buckingham-Darcy equation
evapotranspiration
precision irrigation
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