[120] - Adaption of drainage and depositional systems to tectonic and climate forcing – New insights from terrestrial cosmogenic nuclide exposure dating in the hyperarid core of the Atacama Desert
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| Features | ||
|---|---|---|
| Citation | ||
| Ritter, B., Diederich, J., Stuart, F., Binnie, S., Bolten, A., Dunai, T., 2019. Adaption of drainage and depositional systems to tectonic and climate forcing – New insights from terrestrial cosmogenic nuclide exposure dating in the hyperarid core of the Atacama Desert.Proc. of EGU General Assembly 2019, April 07 - 12, 2019, Vienna, 1 - 1. | ||
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| Identification | ||
| Title(s): | Main Title: Adaption of drainage and depositional systems to tectonic and climate forcing – New insights from terrestrial cosmogenic nuclide exposure dating in the hyperarid core of the Atacama Desert | |
| Description(s): | Abstract: The timing and driver of the onset of (hyper)- aridity in the Atacama Desert is still controversial. Cosmogenic nuclides, from the hyperarid core (Coastal Cordillera between 21- 19S) indicate a Miocene age of aridity. The aridity and consequent low erosion rates result in the preservation of depositional surfaces (e.g. alluvial fans) and erosive fluvial features (e.g. inactive channels) that can be used as paleoclimate archives. Despite the long-term arid to hyperarid climate, wetter periods are recorded by fluvial features and sediment deposition of alluvial fans which can be dated with cosmogenic nuclides. The occurrence of meander systems (5km long) in the surrounding of the Huara batholith, are a clear indication that higher local run-off created by higher precipitation in small catchments led to the formation those fluvial systems/features. This study provides new ages for pluvial episodes in the Atacama Desert, including new insights about the interplay between climate and tectonic activity, creating and preserving these landscape features. | |
| Responsible Party | ||
| Creator(s): | Author: Benedikt Ritter Author: Julia Diederich Author: Finlay Stuart Author: Steven Binnie Author: Andreas Bolten Author: Tibor Dunai | |
| Publisher: | EGU General Assembly 2019 | |
| Topic | ||
| CRC1211 Topic: | Dating | |
| Related Sub-project(s): | D1 | |
| Subject(s): | CRC1211 Keywords: Cosmogenic Nuclides, Geomorphology | |
| File Details | ||
| File Name: | EGU2019_Abstract_B.Ritter.pdf | |
| Data Type: | Text | |
| File Size: | 35 kB (0.034 MB) | |
| Date(s): | Available: 2019-04-07 | |
| Mime Type: | application/pdf | |
| Language: | English | |
| Status: | Completed | |
| Constraints | ||
| Download Permission: | Free | |
| General Access and Use Conditions: | According to the CRC1211DB data policy agreement. | |
| Access Limitations: | According to the CRC1211DB data policy agreement. | |
| Geographic | ||
| North: | - |  |
| East: | - | |
| South: | - | |
| West: | - | |
| Measurement Region: | Northern focus area | |
| Measurement Location: | --Northern focus area-- | |
| Specific Informations - Publication | ||
| Status: | Accepted | |
| Review: | NoPeerReview | |
| Year: | 2019 | |
| Type: | Event Paper | |
| Number Of Pages: | 1 | |
| Page Range: | 1 - 1 | |
| Event Name: | EGU General Assembly 2019 | |
| Event Type: | Conference | |
| Event Location: | Vienna | |
| Event Period: | 7th of April, 2019 - 12th of April, 2019 | |
| Metadata Details | ||
| Metadata Creator: | Benedikt Ritter | |
| Metadata Created: | 2019-06-26 | |
| Metadata Last Updated: | 2020-04-08 | |
| Subproject: | D1 | |
| Funding Phase: | 1 | |
| Metadata Language: | English | |
| Metadata Version: | V43 | |
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| Page Visits: | 130 | |
| Metadata Downloads: | 0 | |
| Dataset Downloads: | 4 | |
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