Articles | Volume 26, issue 1
https://doi.org/10.5194/hess-26-91-2022
https://doi.org/10.5194/hess-26-91-2022
Technical note
 | 
11 Jan 2022
Technical note |  | 11 Jan 2022

Technical note: High-accuracy weighing micro-lysimeter system for long-term measurements of non-rainfall water inputs to grasslands

Andreas Riedl, Yafei Li, Jon Eugster, Nina Buchmann, and Werner Eugster

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Revised manuscript accepted for HESS
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Cited articles

Agam, N. and Berliner, P. R.: Diurnal water content changes in the bare soil of a coastal desert, J. Hydrometeorol., 5, 922–933, https://doi.org/10.1175/1525-7541(2004)005<0922:DWCCIT>2.0.CO;2, 2004. 
Agam, N. and Berliner, P. R.: Dew formation and water vapor adsorption in semi-arid environments – A review, J. Arid Environ., 65, 572–590, https://doi.org/10.1016/J.JARIDENV.2005.09.004, 2006. 
Alaoui, A. and Eugster, W.: Dual-porosity modeling of groundwater recharge: testing a quick calibration using in situ moisture measurements, Areuse River Delta, Switzerland, Hydrogeol. J., 12, 464–475, https://doi.org/10.1007/s10040-003-0288-y, 2004. 
Aparecido, L. M. T., Miller, G. R., Cahill, A. T., and Moore, G. W.: Comparison of tree transpiration under wet and dry canopy conditions in a Costa Rican premontane tropical forest, Hydrol. Process., 30, 5000–5011, https://doi.org/10.1002/hyp.10960, 2016. 
Ben-Gal, A. and Shani, U.: A highly conductive drainage extension to control the lower boundary condition of lysimeters, Plant Soil, 239, 9–17, https://doi.org/10.1023/A:1014942024573, 2002. 
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Short summary
The aim of this study was to develop a high-accuracy micro-lysimeter system for the quantification of non-rainfall water inputs that overcomes existing drawbacks. The micro-lysimeter system had a high accuracy and allowed us to quantify and distinguish between different types of non-rainfall water inputs, like dew and fog. Non-rainfall water inputs occurred frequently in a Swiss Alpine grassland ecosystem. These water inputs can be an important water source for grasslands during dry periods.