Articles | Volume 13, issue 6
https://doi.org/10.5194/essd-13-2487-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/essd-13-2487-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Marine terraces of the last interglacial period along the Pacific coast of South America (1° N–40° S)
Roland Freisleben
CORRESPONDING AUTHOR
Institut für Geowissenschaften, Universität Potsdam, 14476
Potsdam, Germany
Julius Jara-Muñoz
Institut für Geowissenschaften, Universität Potsdam, 14476
Potsdam, Germany
Daniel Melnick
Instituto de Ciencias de la Tierra, TAQUACH, Universidad Austral de
Chile, Valdivia, Chile
Millennium Nucleus the Seismic Cycle along Subduction Zones,
Valdivia, Chile
José Miguel Martínez
Instituto de Ciencias de la Tierra, TAQUACH, Universidad Austral de
Chile, Valdivia, Chile
Millennium Nucleus the Seismic Cycle along Subduction Zones,
Valdivia, Chile
Manfred R. Strecker
Institut für Geowissenschaften, Universität Potsdam, 14476
Potsdam, Germany
Related authors
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Julius Jara-Muñoz, Jürgen Mey, Roland Freisleben, Daniel Melnick, Markus Weiss, Patricio Winckler, Chrystelle Mavoungou, and Manfred R. Strecker
EGUsphere, https://doi.org/10.5194/egusphere-2025-5364, https://doi.org/10.5194/egusphere-2025-5364, 2025
This preprint is open for discussion and under review for Earth Surface Dynamics (ESurf).
Short summary
Short summary
Coastal areas are vulnerable to sea-level rise and earthquakes. Understanding past changes requires precise deformation estimates. Marine terraces record sea-level and tectonic histories but mapping them has relied on subjective criteria. TerraceM-3 introduces standardized workflows and a machine-learning-based approach that, combined with ICESat-2 altimetry, enhances the accuracy and reproducibility of marine terrace mapping.
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Short summary
Tectonically active coasts are dynamic environments that host densely populated areas and associated infrastructure. We measured and described last interglacial marine terraces along 5000 km of the western South American coast. The pattern of terrace elevations displays short- to long-wavelength structures that may be controlled by crustal faults and the subduction of major bathymetric anomalies. Latitudinal climate characteristics may further influence their generation and preservation.
Tectonically active coasts are dynamic environments that host densely populated areas and...
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