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Open access Oct 2026

How Data Uncertainty Influences Estimates of Root Zone Water Storage Capacity

Root zone water storage capacity () sets the lower limit on the water available to plants and is critical for modeling terrestrial water and carbon fluxes. Due to subsurface heterogeneity in soils, roots, and geology, in‐situ measurements of are infeasible at regional to global scales. Instead, is often estimated usi...

C. Heckman, Lauren E. L. Lowman · 0 citations
Open access Aug 2026

Advanced Approach to Assess Groundwater Storage and Water Availability in Karst Aquifers at Regional Scale

Quantifying groundwater storage in karst aquifers remains challenging because of their heterogeneous structure and the scarcity of direct observations. This study proposes a pragmatic approach for characterizing storage and water availability in karst systems at the regional scale using long-term hydrographs from 16 Sw...

P. Jeannin, A. Malard, Michael Sinreich · 0 citations
Open access Oct 2026

Declining terrestrial water storage is associated with changes in effective hydrological memory and drought buffering

Drought impacts in large river basins depend not only on precipitation deficits but also on how terrestrial water storage (TWS) buffers climate anomalies through hydrological memory, which is the persistence of past storage conditions. In this study, we quantify this as the “effective hydrological memory,” measured...

Vagner G. Ferreira, C. Ndehedehe, Jing-Kai Xie et al. · 0 citations
Open access Sep 2026

Groundwater Storage Dynamics and Attribution in the Wei River Basin Based on Dynamic Downscaling

Intensive groundwater exploitation in the Wei River Basin (WRB) has caused severe depletion. While Gravity Recovery and Climate Experiment (GRACE) satellites monitor these changes, their coarse resolution fails to account for soil erosion-induced mass loss on the Loess Plateau limit basin-scale accuracy. To address thi...

Xing-Ying Wang, Sheng-Jie Liu, Li-Tang Hu et al. · 0 citations
Open access Oct 2026

Assimilation of GRACE/-FO data into global hydrological models for water use scenarios

Global Hydrological Models (GHMs) are an invaluable tool for simulating the dynamics of our freshwater cycle and estimating its contribution to sea level rise. However, uncertainties of input data (e.g., meteorological forcing, water demand estimates) and empirical parameters, as well as errors in the model structure (...

M. Schumacher, Çağatay Çakan, Supriya Tiwari et al. · 0 citations
Open access Sep 2026

Extending the Thornthwaite–Mather Water Budget Model for Surface Runoff Estimation: A Nationwide Assessment in Mainland Portugal

Quantifying water availability at the national scale remains challenging, particularly where runoff observations are scarce or inconsistent. Hydrological modelling offers a practical solution, and monthly water balance models are especially attractive because of their simplicity and modest data requirements. In this st...

João Pedro Pegas, M. M. Portela, J. Santos et al. · 0 citations

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