| 项目编号: | 1458005
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| 项目名称: | Collaborative Research: Undocumented Shorelines of Lake Bonneville: New Paleoclimatic and Hydrodynamic Interpretations |
| 作者: | Charles Oviatt
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| 承担单位: | University of Utah
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| 批准年: | 2013
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| 开始日期: | 2014-07-01
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| 结束日期: | 2015-06-30
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| 资助金额: | USD44324
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| 资助来源: | US-NSF
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| 项目类别: | Continuing grant
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| 国家: | US
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| 语种: | 英语
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| 特色学科分类: | Geosciences - Earth Sciences
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| 英文关键词: | lake bonneville
; modern great salt lake
; lake water
; lake form important groundwater aquifer
; fundamental research
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| 英文摘要: | The project will undertake fundamental research regarding Pleistocene Lake Bonneville, which was the largest lake in the western United States during the last glacial period, and the precursor to the modern Great Salt Lake. While the Lake Bonneville record for the past 18,000 years is reasonably well documented, the earlier period (18,000-30,000 years ago) is poorly understood because those deposits have been destroyed or overprinted by younger, rising lake waters, or subsequent erosion. This project will apply a variety of analytical tools including ground penetrating radar, 3-dimensional digital photography, hydrodynamic modeling, and radiocarbon dating of extremely small amounts of organic material to inform our understanding of landscape dynamics that have long puzzled researchers in this poorly documented period of the Lake Bonneville record.
Lake Bonneville and its associated sediments are culturally and economically important landforms of the Intermountain Western United States. Sands and gravels deposited by the lake form important groundwater aquifers, and provide aggregate resources to much of the region. The time period of Lake Bonneville being studied is a critical period in Earth's climate history as it marked the transition from a very cold, dry global climate during glacial times to the warmer, interglacial climate of the modern era. The records of landscape change at Lake Bonneville are vital for studying this climatic transition in the Great Basin province, and will provide details about rates of long-term hydrologic change within North America's largest desert. |
| 资源类型: | 项目
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/96465
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| Appears in Collections: | 影响、适应和脆弱性
气候减缓与适应
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| Recommended Citation: | |
Charles Oviatt. Collaborative Research: Undocumented Shorelines of Lake Bonneville: New Paleoclimatic and Hydrodynamic Interpretations. 2013-01-01.
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