A hydrogeological conceptual model of aquifers in catchments headed by temperate glaciers

Researchers have identified two distinct aquifers with varying hydraulic conductivities in the catchments of four south-eastern outlet glaciers of Vatnajökull, Iceland. They found that glacial meltwater recharge is significantly higher—four times greater—under the glaciers compared to adjacent plains, revealing a critical link between glacier dynamics and groundwater systems. This discovery provides a new hydrogeological conceptual model that enhances our understanding of water resource evolution under climate change, as well as potential risks from floods and landslides in glacial contexts.

Vincent, A., Daigre, C., Fischer, O., Aðalgeirsdóttir, G., Violette, S., Hart, J., Guðmundsson, S., & Pálsson, F. (2024). A hydrogeological conceptual model of aquifers in catchments headed by temperate glaciers. Hydrology and Earth System Sciences, 28(14), 3475–3494. https://doi.org/10.5194/hess-28-3475-2024