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Relationships between fluvial evolution and karstification related to climatic, tectonic and eustatic forcing in temperate regions
- Source :
- Quaternary Science Reviews, Quaternary Science Reviews, Elsevier, 2017, 166, pp.38-56. ⟨10.1016/j.quascirev.2017.02.016⟩
- Publication Year :
- 2017
- Publisher :
- HAL CCSD, 2017.
-
Abstract
- This paper reviews the diversity of relationships between river evolution and karstogenesis. It also underlines the fundamental role of numerical dating methods (e.g. cosmogenic nuclides) applied to sedimentary sequences in tiered cave passages as they have provided new insights into these complex interactions. Although karst terrain is widespread worldwide, we focus on European karst catchments, where the sedimentary records are especially well preserved. We review the recent dating of fluvial sediments and speleothems, to examine the timing of karstification, incision and deposition in cave levels. The most complete alluvial records occur in tectonically uplifted high mountains where some of the oldest sediment fills date to the Miocene. Evidence indicates that not only uplift, but also climatic conditions and fluvial dynamics (e.g. knickpoint retreat, increased channel flow and/or sediment load, and stream piracies) can play a major role in speleogenesis and geomorphological evolution. In evaporite rocks, speleogenesis is characterized by rapid dissolution and subsidence. In European catchments, gypsum cave development largely occurred during cold climate periods, while limestone caves formed during warm interglacial or interstadial phases. Our synthesis is used to propose four models of fluvial and karst evolution, and highlight perspectives for further research.
- Subjects :
- Archeology
Global and Planetary Change
geography
geography.geographical_feature_category
010504 meteorology & atmospheric sciences
Knickpoint
Evaporite
Fluvial
Geology
[SHS.GEO]Humanities and Social Sciences/Geography
15. Life on land
010502 geochemistry & geophysics
Karst
01 natural sciences
Paleontology
Cave
13. Climate action
Aggradation
[SDE]Environmental Sciences
Sedimentary rock
Speleogenesis
Ecology, Evolution, Behavior and Systematics
ComputingMilieux_MISCELLANEOUS
0105 earth and related environmental sciences
Subjects
Details
- Language :
- English
- ISSN :
- 02773791
- Database :
- OpenAIRE
- Journal :
- Quaternary Science Reviews, Quaternary Science Reviews, Elsevier, 2017, 166, pp.38-56. ⟨10.1016/j.quascirev.2017.02.016⟩
- Accession number :
- edsair.doi.dedup.....a4d5f6f835d75ea11ee5649f765f3661