90
Followings are some of the statements related to geomorphological characteristics of a watershed
(A) . Total watershed area is the sum of stream basin and inter-basin area
(B) . The area Ay of a basin of order'u' is the total area projected on a horizontal plane, contributing the overland flow to the
streams of given order plus all tributaries of lower order.
(C) . Stream area ratio is the average basin area of streams of one order to the average area of basins of the next higher
order.
(D) . The ratio of basin area to the square of the basin length is known as form factor.
Choose the correct answer from the options given below: