Drainage

The drainage pattern in the State is in conformity with topography, supporting the sub parallel drainage system. The Anticlinal hill ranges form watersheds from which the various drainage channels emerge. The common drainage patterns in the State are of dendritic parallel to sub-parallel and rectangular type and are of 1st and 2nd order. The major rivers of the State are Gumti, Haora, Khowai, ohalai, Manu, Deo, Jun- Longai, Fenny and Mahuri. The drainage system of the State forms a part of Meghna basin. Tre/lis drainage pattern is also observed in few places.

Mazor River Systems

The State of Tripura is criss-crossed by numerous rivers. There are as many as 10 major rivers draining the, different valleys of the State. Significant features of the rivers are their flows are directly related to rainfall. During summer , the rivers maintain very slender flows, but in rainy seasons they become swollen. The principal rivers originate from the hill ranges and flow through the valleys and have their outfall in Bangladesh. followed by Manu-Deo and Khowai, whereas Longai is the smallest (3.25%0 basin of all the river basins. The details about the basins are presented in the Table below.

                          Basin Characteristics

Sl. No
Name of River

Basin Basin in km2

% Basin Area toGeographical Area of the State
Annual Flow in1000 cubic meter
% of Total Flow
1.
Burima
658
6.27
13,428
1.69
2.
Dhalai
695
6.61
42,778
5.40
3.
Fenni
555
5.28
50,433
6.36
4.
Gumti
2,378
22.66
2,49,399
31.45
5.
Haora
570
5.57
36,032
4.54
6.
Juri
586
5.57
15,709
1.98
7.
Khowai
1,378
13.13
1,15,954
14.20
8.
Longai
342
3.25
9,166
1.66
9.
Manu-Deo
1,979
18.86
1,70,034
21.40
10.
Muhuri
839
8.00
76,247
9.63
11.
Other streams
511
4.90
13,797
1.74
Total
10,491
100.00
7,92,877
100.00

 

 
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