Visualizing catchment-scale spatio-temporal dynamics of storage-flux-age interactions using a tracer-aided ecohydrological model

Article Environmental Sciences

Catchment Functioning Under Prolonged Drought Stress: Tracer-Aided Ecohydrological Modeling in an Intensively Managed Agricultural Catchment

Xiaoqiang Yang et al.

Summary: The research reveals that high spatial heterogeneity in catchment properties can amplify ecohydrological responses to changing conditions, as demonstrated by investigating a small agricultural catchment in central Germany during drought using a tracer-aided model. Environmental data collected during drought years were found to be highly informative in modeling stream water dynamics, and inclusion of isotope data helped reduce model uncertainty and improve confidence in simulations. The study highlights the importance of understanding the variability of internal ecohydrological processes and the different responses of fluxes and water ages to prolonged drought stress in agricultural headwater ecosystems.

WATER RESOURCES RESEARCH (2021)

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Article Geosciences, Multidisciplinary

Quantifying the effects of land use and model scale on water partitioning and water ages using tracer-aided ecohydrological models

Aaron Smith et al.

Summary: Quantifying the role of vegetation in water partitioning at different spatial and temporal scales is crucial for sustainable land and water management. Tracers provide effective calibration constraints on larger resolution ecohydrological modelling, helping to understand the influence of grid resolution on the simulation of vegetation-soil interactions.

HYDROLOGY AND EARTH SYSTEM SCIENCES (2021)

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Article Environmental Sciences