Collaborative Research: Geomorphic-Geodynamic Coupling at the Orogen Scale: A Himalayan Transect in Central Nepal
合作研究:造山带尺度的地貌-地球动力耦合:尼泊尔中部喜马拉雅断面
基本信息
- 批准号:9909335
- 负责人:
- 金额:$ 30.64万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2000
- 资助国家:美国
- 起止时间:2000-04-15 至 2005-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9909335HeimsathOne of the most provocative - yet largely untested - recent hypotheses concerning orogenic evolution is that regional variations in climate strongly influence spatial variations in the style and magnitude of deformation across an actively deforming orogen. Recent progress in quantifying rates of both tectonic and geomorphic processes and in modeling surface and lithospheric processes sets the stage for an integrated, quantitative, field-and model- based investigation of the interactions and feedbacks between geomorphic, climatic, and tectonic processes. This project involves an examination of these interactions where they are likely to be most clearly expressed: the Nepalese Himalaya. Not only is this the quintessential colloisional orogenic belt, but its topographic growth and erosional history have been suggested as key controls on global climatic changes. The integrated study focuses on a major transverse catchment, stretching from the edge of the Tibetan Plateau to the foreland and traversing some of the highest topography in the world. This transect spans the major structural elements of the Himalaya, as well as monsoon-to-rainshadow climatic conditions. The Principal Investigators bring together expertise in process-based geomorphology, glaciology, climatology, structural geology, thermochronology, cosmogenic radionuclide dating, modeling, and documentary film making for a multi-pronged approach intended to evaluate one overarching, but largely untested hypothesis: Rates of erosion vary spatially as a function of climate and this spatial variability in erosion controls the partitioning of deformation within an orogen.***
[9909335] heimsathone最近关于造山带演化的一个最具争议性(但在很大程度上未经验证)的假设是,在一个活跃变形的造山带上,气候的区域变化强烈地影响着变形样式和变形幅度的空间变化。在构造和地貌过程速率的量化以及地表和岩石圈过程的模拟方面的最新进展,为地貌、气候和构造过程之间的相互作用和反馈的综合、定量、实地和基于模型的研究奠定了基础。这个项目涉及到这些相互作用的检查,他们可能最清楚地表达:尼泊尔喜马拉雅。这不仅是典型的碰撞造山带,而且其地形生长和侵蚀历史也被认为是全球气候变化的关键控制因素。这个样带跨越了喜马拉雅的主要结构元素,以及季风到雨荫的气候条件。主要研究人员汇集了基于过程的地貌学、冰川学、气候学、构造地质学、热年代学、宇宙成因放射性核素测年、建模和纪录片制作方面的专业知识,采用多管齐下的方法,旨在评估一个总体的、但基本上未经验证的假设:侵蚀速率在空间上随气候而变化,这种侵蚀的空间变动性控制着造山带内变形的划分
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
专利数量(0)
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Arjun Heimsath其他文献
The Mojave Section of the San Andreas Fault (California): 1. Shaping the Terrace Stratigraphy of Little Rock Creek Through the Competition Between Rapid Strike‐Slip Faulting and Lateral Stream Erosion Over the Last 40 k.y.
圣安德烈亚斯断层的莫哈维断层(加利福尼亚州):1.通过过去 40 年快速走滑断层与侧流侵蚀之间的竞争塑造小石溪台地地层。
- DOI:
10.1029/2023gc010869 - 发表时间:
2023 - 期刊:
- 影响因子:3.7
- 作者:
A. Moulin;Eric Cowgill;Katherine Scharer;Devin McPhilipps;Arjun Heimsath - 通讯作者:
Arjun Heimsath
Arjun Heimsath的其他文献
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{{ truncateString('Arjun Heimsath', 18)}}的其他基金
EAGER: Dynamic Response of the Soil Production Function to Erosion Rates
EAGER:土壤生产函数对侵蚀率的动态响应
- 批准号:
1632903 - 财政年份:2016
- 资助金额:
$ 30.64万 - 项目类别:
Standard Grant
Landscape Sensitivity to Changing Climate: Plio-Pleistocene Erosion and Sedimentation in SE Arizona
景观对气候变化的敏感性:亚利桑那州东南部的上更新世侵蚀和沉积
- 批准号:
1124460 - 财政年份:2011
- 资助金额:
$ 30.64万 - 项目类别:
Standard Grant
CAREER: Quantifying Erosional Processes on Upland Landscapes
职业:量化高地景观的侵蚀过程
- 批准号:
0829458 - 财政年份:2008
- 资助金额:
$ 30.64万 - 项目类别:
Continuing Grant
Collaborative Research: Tectonics and Topography in the Transverse Ranges: Landscape Response to Rock Uplift Rate across the Transition from Soil-Mantled to Rocky Slopes
合作研究:横向山脉的构造和地形:从土覆盖到岩石斜坡过渡过程中岩石抬升率的景观响应
- 批准号:
0829459 - 财政年份:2007
- 资助金额:
$ 30.64万 - 项目类别:
Continuing Grant
Collaborative Research: Tectonics and Topography in the Transverse Ranges: Landscape Response to Rock Uplift Rate across the Transition from Soil-Mantled to Rocky Slopes
合作研究:横向山脉的构造和地形:从土覆盖到岩石斜坡过渡过程中岩石抬升率的景观响应
- 批准号:
0518998 - 财政年份:2005
- 资助金额:
$ 30.64万 - 项目类别:
Continuing Grant
CAREER: Quantifying Erosional Processes on Upland Landscapes
职业:量化高地景观的侵蚀过程
- 批准号:
0239655 - 财政年份:2003
- 资助金额:
$ 30.64万 - 项目类别:
Continuing Grant
QEIB: Collaborative Research: Erosional Removal and Redistribution of Soil Organic Carbon In Upland Ecosystems
QEIB:合作研究:陆地生态系统中土壤有机碳的侵蚀去除和重新分配
- 批准号:
0128995 - 财政年份:2002
- 资助金额:
$ 30.64万 - 项目类别:
Standard Grant
Earth Sciences Postdoctoral Research Fellowship Award
地球科学博士后研究奖学金
- 批准号:
9805678 - 财政年份:1998
- 资助金额:
$ 30.64万 - 项目类别:
Fellowship Award
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- 批准号:10774081
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- 项目类别:面上项目
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