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| Geomorphic and Sedimentary responses to Climate Periodicity | |
| 项目编号 | PE10, ERC-2019-COG |
| Taylor SCHILDGEN | |
| 项目主持机构 | HELMHOLTZ ZENTRUM POTSDAM DEUTSCHESGEOFORSCHUNGSZENTRUM GFZ |
| 开始日期 | 2020-06-01 |
| 结束日期 | 2025-05-31 |
| 英文摘要 | Under the threat of ongoing global warming, predictions concerning how much temperatures will rise and precipitation will change are undergoing continual improvement, but the spatial distribution of predicted changes and their impacts on Earth-surface processes, notably erosion and sedimentation, are subject to great uncertainty. Such processes have immediate consequences for people living along alluvial or “transport-limited” rivers, which constitute the majority of rivers on Earth, yet their evolution in response to external forcing conditions is not well understood. In the GyroSCoPe project, I will address these knowledge gaps through an innovative approach that focuses on how periodic changes in climate affect Earth-surface processes. Specifically, because the dominant forcing frequencies have changed through time (notably at the Mid-Pleistocene Transition, MPT), and the frequency of each forcing period likely dictates how far downstream in alluvial channels impacts are felt, it should be possible to decipher the impacts of individual periodic forcings in the geologic record. To do this, I will apply novel tools to decipher erosion histories in mountainous regions, specifically at the MPT, and I will investigate alluvial fans and terraces in the context of a new numerical model developed by my group. These data will allow me to interpret the impact of a change in the dominant forcing period on hillslope erosion rates, track how this sediment propagates across landscapes through alluvial rivers, and thus provide a wealth of data that can be used to calibrate landscape-evolution and alluvial-channel models. This improved understanding of the fundamental impacts of the magnitude and frequency of periodic forcing on erosion rates and sediment transport through rivers will in turn enable (1) the use of terraces and fans as paleoclimate proxies, which can be used to test climate models and (2) predicting Earth-surface responses to ongoing and future climate changes. Max ERC |
| 学科分类 | 04 - 物理学 |
| 资助机构 | EU-ERC |
| 项目经费 | 1963229 |
| 项目类型 | Consolidator Grant (CoG) |
| 国家 | EU |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/191152 |
| 推荐引用方式 GB/T 7714 | Taylor SCHILDGEN.Geomorphic and Sedimentary responses to Climate Periodicity.2020. |
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