globalchange  > 过去全球变化的重建
DOI: 10.2172/985843
报告号: LBNL-3704E
报告题名:
A Note on Equations for Steady-State Optimal Landscapes
作者: Liu, H.H.
出版年: 2010
发表日期: 2010-06-15
国家: 美国
语种: 英语
中文主题词: 景观 ; 水深
主题词: LANDSCAPE ; WATER DEPTH
英文摘要: Based on the optimality principle (that the global energy expenditure rate is at its minimum for a given landscape under steady state conditions) and calculus of variations, we have derived a group of partial differential equations for describing steady-state optimal landscapes without explicitly distinguishing between hillslopes and channel networks. Other than building on the well-established Mining's equation, this work does not rely on any empirical relationships (such as those relating hydraulic parameters to local slopes). Using additional constraints, we also theoretically demonstrate that steady-state water depth is a power function of local slope, which is consistent with field data.
URL: http://www.osti.gov/scitech/servlets/purl/985843
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资源类型: 研究报告
标识符: http://119.78.100.158/handle/2HF3EXSE/39770
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Liu, H.H.. A Note on Equations for Steady-State Optimal Landscapes. 2010-01-01.
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