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Long-term evolution of tectonic lakes; climatic controls on the development of internally drained basins

Daniel Garcia-Castellanos
Long-term evolution of tectonic lakes; climatic controls on the development of internally drained basins (in Tectonics, climate, and landscape evolution, Sean D. Willett (editor), Niels Hovius (editor), Mark T. Brandon (editor) and Donald M. Fisher (editor))
Special Paper - Geological Society of America (2006) 398: 283-294

Abstract

A quantitative model is proposed for the long-term evolution of lakes and internally drained basins resulting from tectonic vertical motions, sediment infill, outlet erosion, and climatic regime. The model accounts for the formation of a water body in the topographic basin created by tectonic uplift across a river, where incision capability is calculated using a stream power-law. The model also addresses the notion that, after cessation of tectonic forcing, lakes are transitory phenomena over geological time scales. High uplift rates across an antecedent river, in combination with low upstream precipitation, result in river defeat and lake formation. In addition to geometrical, lithological, and tectonic parameters, the evaporation rate at the lake surface is revealed as a key factor triggering drainage closure (endorheism) and significant lake life extension by preventing outlet erosion. Post-tectonic lake extinction is ensured by sediment overfill and/or outlet erosion. Once uplift comes to an end and drainage reopens (lake capture), shallow lakes at high altitudes undergo a faster reintegration into the drainage network and extinction. Vertical isostatic movements of the lithosphere significantly delay this process in lakes larger than 50-200 km. The development of an internally drained basin out of an open lacustrine basin requires that uplift across the outlet persists until the lake is large enough to evaporate all collected water, The evolution of tectonic lakes has, therefore, similar dependency on geometrical constraints (initial relief, length of the river, hypsometry of the catchment), lithological parameters (rock erodibility), tectonics (uplift rate, duration, and its spatial distribution), and climate (precipitation and evaporation rates).


ISSN: 0072-1077
EISSN: 2331-219X
Coden: GSAPAZ
Serial Title: Special Paper - Geological Society of America
Serial Volume: 398
Title: Long-term evolution of tectonic lakes; climatic controls on the development of internally drained basins
Title: Tectonics, climate, and landscape evolution
Author(s): Garcia-Castellanos, Daniel
Author(s): Willett, Sean D.editor
Author(s): Hovius, Nielseditor
Author(s): Brandon, Mark T.editor
Author(s): Fisher, Donald M.editor
Affiliation: Vrije Universiteit Amsterdam, Netherlands Centre for Integrated Solid Earth Science, Amsterdam, Netherlands
Affiliation: University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States
Pages: 283-294
Published: 2006
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
Meeting name: Penrose conference on Tectonics, climate, and landscape evolution
Meeting location: Taroko Gorge, TWN, Taiwan
Meeting date: 20032003
References: 34
Accession Number: 2006-061390
Categories: GeomorphologyStructural geology
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus. incl. block diag., sects.
Secondary Affiliation: University of Cambridge, GBR, United KingdomYale University, USA, United StatesPennsylvania State University, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 200635
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