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| Home > Publications database > High-precision weighable lysimeter - a holistic tool for quantifying and tracking water fluxes at the land surface and in the soil |
| Conference Presentation (Invited) | FZJ-2021-02363 |
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2021
Abstract: Quantifying and closure of the soil water balance is fundamental for understanding the site-specific hydrological cycle and for studying land-atmosphere interactions. We will present actual results from the Germany-wide lysimeter network TERENO-SOILCan that provide new insights into the quantification of day and night water fluxes (i.e. dew formation, precipitation and evapotranspiration) and their importance for ob-serving and simulating ecosystem services (i.e. yield, water quantity and quality), es-pecially in the context of climate change. The benefit of such an observation system is that weighable high-precision lysimeter takes into account feedbacks across the entire hydrological cycle (soil, plant and atmosphere) at an intermediate scale (between la-boratory and field) allowing for a more holistic view on water and nutrient dynamics. These observation systems are suitable tools for model development (calibration and validation) and provide soil related data for testing modelling of soil-vegetation-atmosphere processes under known boundary conditions and are prerequisite when transferring processes from the point to larger scales.
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