Articles | Volume 26, issue 5
Hydrol. Earth Syst. Sci., 26, 1223–1241, 2022
https://doi.org/10.5194/hess-26-1223-2022

Special issue: Microwave remote sensing for improved understanding of vegetation–water...

Hydrol. Earth Syst. Sci., 26, 1223–1241, 2022
https://doi.org/10.5194/hess-26-1223-2022
Research article
04 Mar 2022
Research article | 04 Mar 2022

Extrapolating continuous vegetation water content to understand sub-daily backscatter variations

Paul C. Vermunt et al.

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Short summary
This study investigates the use of hydrometeorological sensors to reconstruct variations in internal vegetation water content of corn and relates these variations to the sub-daily behaviour of polarimetric L-band backscatter. The results show significant sensitivity of backscatter to the daily cycles of vegetation water content and dew, particularly on dry days and for vertical and cross-polarizations, which demonstrates the potential for using radar for studies on vegetation water dynamics.