Isostatic rebound driven by erosion causes certain mountains to increase in elevation
Isostatic rebound driven by surface erosion reduces mass on the Earth's crust, resulting in a buoyant upward vertical movement that can increase mountain and plateau elevations.
The retrieved literature consistently supports the geological principle that the removal of mass from the Earth's surface via erosion or denudation prompts an isostatic response from the underlying crust and mantle, leading to vertical land uplift (rebound) that contributes to the elevation of mountains and elevated plateaus.
J. Nocquet, Christian Sue, A. Walpersdorf, T. Tran, N. Lenotre, Philippe Vernant, M. Cushing, F. Jouanne, Frédéric Masson, S. Baize, J. Chéry, P. V. D. Beek. Present-day uplift of the western Alps. 2016. https://doi.org/10.1038/srep28404
The study notes that surface unloading through erosion contributes to vertical uplift in mountain ranges such as the western Alps.
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Z. Ren, Zhuqi Zhang, Huiping Zhang, Wenjun Zheng, Peizhen Zhang. The Role of the 2008 Mw 7.9 Wenchuan Earthquake in Topographic Evolution: Seismically Induced Landslides and the Associated Isostatic Response. 2017. https://doi.org/10.1029/2017TC004848
Research indicates that long-term isostatic response to mass removal from landslides leads to a net upward rebound of the terrain.
Jinghao Lei, Z. Ren, T. Oguchi, Peizhen Zhang, S. Uchiyama. Topographic Evolution Involving Co-Seismic Landslide, Deformation, Long-Term Folding and Isostatic Rebound: A Case Study on the 2004 Chuetsu Earthquake. 2021. https://doi.org/10.3390/rs13061073
Analysis of topographic evolution in mountainous regions demonstrates that erosion and subsequent crustal rebound modify local topography over time.
Y. Otofuji. Estimating the amount of uplift from the current elevation of strata at the Middle Miocene Climatic Optimum: A case study of Kibi Plateau in Southwest Japan. 2024. https://doi.org/10.1111/iar.12531
Deductive modeling of plateau uplift confirms that accounting for denudation and subsequent isostatic compensation explains the observed elevation of strata.
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