drainage basin relief ratio

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  • Ecology and Conservation


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An index (Rh) of the relief characteristics of a drainage basin. It is expressed as Rh = H/L, where H is the difference in height between the highest and lowest points in the basin and L is the horizontal distance along the longest dimension of the basin parallel to the main stream line. The ratio can be positively correlated with the rate of sediment loss from a basin.

Subjects: Earth Sciences and Geography — Ecology and Conservation.

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