Articles | Volume 17, issue 22
Biogeosciences, 17, 5787–5808, 2020
https://doi.org/10.5194/bg-17-5787-2020
Biogeosciences, 17, 5787–5808, 2020
https://doi.org/10.5194/bg-17-5787-2020
Research article
24 Nov 2020
Research article | 24 Nov 2020

Estimates of tree root water uptake from soil moisture profile dynamics

Conrad Jackisch et al.

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Cited articles

Allroggen, N., Jackisch, C., and Tronicke, J.: Four-dimensional gridding of time-lapse GPR data, in: 2017 9th International Workshop on Advanced Ground Penetrating Radar (IWAGPR), 1–4, IEEE, https://doi.org/10.1109/IWAGPR.2017.7996067, 2017. a, b
Bieker, D. and Rust, S.: Non-Destructive Estimation of Sapwood and Heartwood Width in Scots Pine (Pinus sylvestris L.), Silva Fennica, 44, 267–273, 2010. a
Blume, T., Heidbüchel, I., Simard, S., Güntner, A., and Weiler, M.: Detecting spatio-temporal controls on depth distributions of root water uptake using soil moisture patterns, in: EGU General Assembly Conference Abstracts, 18, EPSC2016–16444, 2016. a
Blume, T., Hassler, S. K., and Weiler, M.: From groundwater to soil moisture to transpiration: do stable landscape patterns exist and when do they break down?, in: EGU General Assembly Conference Abstracts 2018, Vienna, 20, EGU2018-12735, 2018. a
Boaga, J., Rossi, M., and Cassiani, G.: Monitoring Soil-plant Interactions in an Apple Orchard Using 3D Electrical Resistivity Tomography, Procedia Environ. Sci., 19, 394–402, 2013. a
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Short summary
We developed software to calculate the root water uptake (RWU) of beech tree roots from soil moisture dynamics. We present our approach and compare RWU to measured sap flow in the tree stem. The study relates to two sites that are similar in topography and weather but with contrasting soils. While sap flow is very similar between the two sites, the RWU is different. This suggests that soil characteristics have substantial influence. Our easy-to-implement RWU estimate may help further studies.
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