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Morphological controls on the dynamics of carbonate landscapes under a mediterranean climate
- Source :
- Terra Nova, Terra Nova, Wiley-Blackwell, 2017, 29 (3), pp.173-182. ⟨10.1111/ter.12260⟩, Terra Nova, 2017, 29 (3), pp.173-182. ⟨10.1111/ter.12260⟩
- Publication Year :
- 2017
- Publisher :
- HAL CCSD, 2017.
-
Abstract
- International audience; The influence of the morphological setting on the denudation of carbonate landscapes and the respective contributions of mechanical and chemical weathering processes are still debated. We have addressed these questions by measuring 36Cl concentrations in 40 samples from the Luberon mountain, SE France, to constrain the denudation of various landscape elements. We observe a clear contrast between the local denudation rates from the flat summit surface, clustered around 30 mm/ka, and the basin‐average denudation rates across the flanks, ranging from 100 to 200 mm/ka. This difference highlights the transient evolution of the range, whose topography is still adjusting to previous uplift events. Such a pattern also suggests that carbonate dissolution is not the only driver of denudation in this setting, which appears to be significantly controlled by slope‐dependent processes.
- Subjects :
- Mediterranean climate
010504 meteorology & atmospheric sciences
Range (biology)
Geology
Weathering
15. Life on land
010502 geochemistry & geophysics
01 natural sciences
chemistry.chemical_compound
Denudation
chemistry
Carbonate
Physical geography
[SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology
Geomorphology
0105 earth and related environmental sciences
Subjects
Details
- Language :
- English
- ISSN :
- 09544879 and 13653121
- Database :
- OpenAIRE
- Journal :
- Terra Nova, Terra Nova, Wiley-Blackwell, 2017, 29 (3), pp.173-182. ⟨10.1111/ter.12260⟩, Terra Nova, 2017, 29 (3), pp.173-182. ⟨10.1111/ter.12260⟩
- Accession number :
- edsair.doi.dedup.....37aaae915a34231ccd13132a22754a1f