a) Dendritic
-Resembles a tree trunk and branches or veins of a leaf.
-Tributaries join the main river at acute angles.
a) Trellis
Tributaries join the main river and other tributaries at right angles
of hard and soft rocks)
Common in folded areas where rivers flow downwards separated by vertical uplands.
b) Rectangular Pattern
-Looks like a large block of rectangles.
-Tributaries tend to take sharp angular bends along their course.
c) Parallel Pattern
-Rivers and tributaries flow virtually parallel to each other
Influenced by slope
-Common on slopes of high mountain ranges
d) Centripetal Pattern
-Rivers flow from many directions into a central depression such as a lake, sea or swamp.
-Examples are rivers flowing into some of the Rift Valley lakes such as Nakuru and Bogoria.
e) Annular Pattern
Streams (rivers which are small in size) are arranged in series of curves about a basin or crater
It’s controlled by the slope.
f) Radial
-Resembles the spikes of a bicycle
-Formed by rivers which flow downwards from a central point in all directions such as on a volcanic cone e.g. on Mt. Kenya, Elgon and Kilimanjaro
Githiari answered the question on November 2, 2017 at 14:23
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