Topic
Stream power
About: Stream power is a research topic. Over the lifetime, 1135 publications have been published within this topic receiving 51324 citations.
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TL;DR: In this article, a new sediment transport capacity equation is proposed based on dimensional analysis and the coefficients of the new equation are calibrated using the published laboratory data, and rainfall impact is taken into consideration by adding an empirical factor on the dimensionless critical stream power.
Abstract: Estimating sediment transport capacity of overland flow is essential to the development of physically based soil erosion models. Correlation analysis indicates that stream power is a dominant factor for sediment transport in overland flows and a new sediment transport capacity equation is proposed based on dimensional analysis. The coefficients of the new equation are calibrated using the published laboratory data, and rainfall impact is taken into consideration by adding an empirical factor on the dimensionless critical stream power. The new sediment transport capacity equation is a function of stream power, rainfall impacted critical stream power and slope. The new equation is applied in a one-dimensional soil erosion model to simulate field data of a runoff plot and the simulation results are reliable.
12 citations
TL;DR: This paper used principal component analysis (PCA) to identify the main sources of variation among river reaches in England and Wales based on a set of 20 variables expected to correlate with channel morphology.
12 citations
TL;DR: In this article, the authors present a remote-sensing and field-based analysis of chute cutoff-driven abandonment and sedimentation of meander bends along the fine-grained, non-vegetated, ephemeral Rio Colorado on the Bolivia Altiplano.
12 citations
TL;DR: In this paper, the equivalency of bed load motion and bed structures was studied in the Xiaojiang River basin on the Yunnan-Guizhou plateau of China, where there were incised streams and stable streams with bed load motions or with step-pool systems.
12 citations
TL;DR: In this paper, a 2D mobile-bed model called the explicit finite analytic model (EFA) is proposed to simulate morphological changes for mountain rivers, which considers both incision and deposition over the bedrock, by combining a new stream power type of bedrock erosion rate formula with the flow and sediment transport modules.
12 citations