Table of Contents
What is bifurcation ratio?
bifurcation ratio, which is defined as the ratio of the. number of stream branches of a given order to the num- ber of stream branches of the next higher order.
How do you calculate stream length ratio?
It has been computed by dividing the total stream length of order ‘u’ by the number of stream segments in the order (Table 3).
How is relief ratio calculated?
The relief ratio is a number calculated to describe the grade of a river or stream. The calculation is just the difference in elevation between the river’s source and the river’s confluence or mouth divided by the total length of the river or stream. This gives the average drop in elevation per unit length of river.
What is rectangular drainage pattern?
: the drainage pattern of streams that make many right-angle bends.
What does a high bifurcation ratio mean?
Quick Reference. Dimensionless number denoting the ratio between the number of streams of one order (see stream order) and those of the next-higher order in a drainage network. It may be a useful measure of proneness to flooding: the higher the bifurcation ratio, the greater the probability of flooding.
What is circulatory ratio?
Circulatory ratio is defined as the ratio of watershed area to the area of the circle having the same perimeter as the watershed perimeter.
How do you calculate length of overland flow?
The average length of overland flow was determined by dividing the watershed area by twice the total length of all waterways.
What is the relationship between stream order and stream length?
The Horton law of stream lengths states that there exists a geometric relationship between the average length of streams of a given order and the corresponding order, w. The parameter of this relationship is the so-called Length Ratio, RL.
How do you calculate the relief of a drainage basin?
Relative to a drainage basin, relief is measured by subtracting the elevation of the mouth of the basin from the highest point within the basin.
What is basin relief ratio?
Relief ratio (Rh) When the basin relief (H) is divided by maximum basin length (Lb) gives the relief ratio (Schumm 1954). It measures the overall steepness of the drainage basin and is an indicator of the intensity of erosion processes. The relief ratio of the river basin is 0.03 (Table 8).