What question did this study set out to answer?

To investigate the subsurface geological structure, sedimentary infill, and surface-to-aquifer connectivity driving sudden water-level drops in karst lake systems.

February 24, 2021Solid EarthOpen Access

Integrated land and water-borne geophysical surveys shed light on the sudden drying of large karst lakes in southern Mexico

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Authors

MBMatthias BückerKiel University AOAdrián Flores OrozcoTU Wien JGJakob GallistlTU Wien

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Implication

Geophysical surveys uncover strong surface-groundwater connectivity in rapidly draining karst lakes, indicating high aquifer vulnerability to hydrological shifts.

Key Points

To investigate the subsurface geological structure, sedimentary infill, and surface-to-aquifer connectivity driving sudden water-level drops in karst lake systems.
Conducted water-borne surveys using a sub-bottom profiler and floating single-loop transient electromagnetic sounding during a high-water stand in March 2018.
Performed land-based time-domain induced polarization and seismic refraction tomography on dry lakebeds following an abrupt drainage event in October 2019.
Identified 5–6 m thick, undisturbed lacustrine sediment sequences on the lake bottoms, separated from the limestone bedrock by a layer of mixed collapse debris.
Demonstrated that combining acoustic and seismic methods with resistivity and induced polarization successfully mapped bedrock boundaries, river delta deposits, and surface-aquifer interconnectivity.

Cite This Study

Bücker et al. (2021) studied this question.

synapsesocial.com/papers/6a71b701ce524a4339c51cbf https://doi.org/10.5194/se-12-439-2021

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Implication

Geophysical surveys uncover strong surface-groundwater connectivity in rapidly draining karst lakes, indicating high aquifer vulnerability to hydrological shifts.

Integrated land and water-borne geophysical surveys shed light on the sudden drying of large karst lakes in southern Mexico

Discussion

Member takes

Implication

Key Points

Cite This Study

Integrated land and water-borne geophysical surveys shed light on the sudden drying of large karst lakes in southern Mexico

Discussion

Member takes

Implication

Key Points

Cite This Study

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