Watershed characterization

Question 1

Ration of ave width to the axial length of basin commonly used to represent different shape basin

Answer 1

Gravelius Form Factor

Question 2

The smaller the value of ____, the higher the flood hazard in the discharge area.

Answer 2

form factor

Question 3

Ratio between diameter of a circle with the same area D the watershed and maximum length of watershed

Answer 3

Elongation ratio

Question 4

<0.7

Answer 4

Elongated

Question 5

0.7 to 0.8

Answer 5

Less elongated

Question 6

0.8 to 0.9

Answer 6

Oval

Question 7

> 0.9

Answer 7

Circular

Question 8

Ratio of the circumference of a circle of the same area as the basin to the basin parameter

Answer 8

Circulatory ratio

Question 9

Elevation difference of highest and lowest point of valley floor

Answer 9

Basin relief

Question 10

Ratio of the total basin relief to maximum basin length

Answer 10

Relief ratio

Question 11

Related to sediment yield and is more useful when analyzed together with climatic factors

Answer 11

Relief ratio

Question 12

Ratio if maximum basin relief to the perimeter of basin

Answer 12

Relative relief