Doctoral Dissertation: Spatio-temporal Variation in the Power of Mountain Streams
Doctoral Dissertation: Spatio-temporal Variation in the Power of Mountain Streams
批准号:
9810908
负责人:
William Graf
金额:
$0.99万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-07-01 至 2000-08-31
中文摘要
本论文的研究将探讨在科罗拉多西南部和北方新墨西哥州的山区流域流功率的空间和时间变化。水流功率是水流下坡时能量消耗的时间速率,它是水流做功能力的指标(即,侵蚀河岸或输送沉积物)。 PI试图通过主要基于现场收集的数据开发经验模型来确定水流功率与一些水文和地貌变量之间的关系。 然后将预测(模型)流量与现场测量流量进行比较。 这项研究的总体重要性是在产生一个更准确和精确的理解山溪水力学和地貌。
英文摘要
This dissertation research will examine spatial and temporal variation in stream power in a mountainous watershed in southwestern Colorado and northern New Mexico. Stream power is the time-rate of energy expenditure as water flows downslope, and it is an indicator of the ability of the stream to do work (i.e., erode its banks or transport sediment). The PIs seek to determine the relationships between stream power and a number of hydrologic and geomorphic variables by developing empirical models based primarily on data collected in the field. Predicted (model) flows will then be compared to flows measured in the field. The overall importance of this research is in generating a more accurate and precise understanding of mountain stream hydraulics and geomorphology.
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