No | Af-50 | SL | hi | Bs| Vf Iat S/n 
1 2 3 3 3 - 11 2.75 
2 3 3 3 3 - 12 3 
3 3 3 3 2 - 11 2.75 
4 9 3 3 3 - 11 275 
5 1 3 3 3 - 10 2.5 
6 3 3 3 2 - 11 2.75 
7 2 3 2 3 - 10 2.3 
8 1 3 1 3 - 8 2 
9 3 3 2 2 - 10 2.5 
10 1 3 1 3 - 8 2 
11 1 3 1 3 - 8 2 
12 2 3 2 3 - 10 2.5 
13 2 3 3 2 - 10 3.5 
14 2 3 3 3 - 11 2.75 
15 3 3 2 2 - 10 2.5 
16 1 3 2 3 - 9 2.25 
17 2 3 2 2 - 9 2.25 
18 2 3 3 3 - 11 2.75 
19 1 3 2 3 - 9 2:25 
20 3 3 3 3 - 12 3 
21 1 3 3 3 - 10 2.3 
22 3 3 3 2 - 11 2.75 
23 3 3 1 3 - 10 2.5 
24 1 3 3 3 - 10 2,5 
25 2 3 1 3 - 9 2.23 
26 3 3 1 2 - 9 2.25 
27 3 3 3 3 - 12 3 
28 2 3 2 3 - 10 2-5 
20 1 3 3 3 - 10 2.5 
30 2 3 3 3 - 11 2.75 
31 1 3 3 3 - 10 2.5 
32 3 3 3 3 3 15 3 
33 1 3 3 3 2 12 2.4 
34 3 3 3 3 - 12 3 
35 1 3 3 3 - 10 2.5 
36 3 3 3 3 2 14 2.8 
37 2 3 3 3 3 14 2.8 
38 1 3 3 3 - 10 2.5 
30 1 3 2 3 2 11 22 
40 3 3 3 3 2 14 2.8 
4l 3 3 2 2 2 12 2.4 
42 3 2 3 2 2 12 2.4 
43 3 2 2 2 - 9 2:25 
44 3 2 2 3 - 10 2.5 
45 2 2 2 3 - 9 2.25 
46 1 1 2 2 3 1.8 
47 2 3 3 3 2 13 2.6 
  
  
No... JA£S0. .I[SL. |hi |Bs |V£.| lat S/n 
48 3 $45 1:3 1 13 2.6 
49 3 3/3 78 ja 15 3 
50 3 3 13 |3 = 12 3 
51 1 23.3 - 9 2.25 
52 2 ZH 135-15 12 2.4 
53 2 3 13 3 [2 13 2.6 
54 2 313 |2 {3 13 2.6 
55 3 3 043 |3 = 12 3 
56 3 3 |3 13 E 12 3 
57 2 3 [3 13 : 11 2.75 
58 3 3 13 13 . 12 3 
59 3 2 13 12 |- 10 25 
60 3 3. [3 413 - 12 3 
61 3 1 ]3 12 (5 12 24 
62 2 1 135 [i3 1 10 2 
63 3 3 ls |2 |? 13 2.6 
64 3 ]p bs 413 = 10 25 
65 2 3 HA 11 22 
66 1 A Go NG 12 24 
67 2 3 is [1 V3 12 24 
68 2 3 3432512 12 24 
69 3 35:843 12.13 14 2.8 
70 1 ] i3 |? = 7 1.75 
71 3 2.12 [3 1 11 22 
72 3 1 13 [3:13 13 2.6 
73 1 2s]4.: [3.12 9 1.8 
74 1 2411 45 13 10 2 
75 2 3 |t 12 = 8 2 
76 1 1 1 |3 - 6 1.5 
77 2 35 M po ba 11 22 
78 2 1 1/3. is 10 2 
79 2 1.51 (2. |3 9 1.8 
80 1 3 ]4 13:12 10 2 
81 1 3.43.13 - 10 25 
82 3 3. 03.13 = 12 3 
83 1 Su +113 - 10 25 
84 1 173 | 3 - 8 2 
85 2 3 11 }3 : 9 2.25 
86 3 1 1:13 2 3 2 
87 1 Zeh 3 x 7 1.75 
88 3 3s 1352 - 9 2,25 
89 1 3 71535] 3 11 22 
90 3 1 1:12 d. 7 1.75 
91 3 1 |: d3 - 8 2 
92 1 1 Ir. 3 6 1.5 
93 1 3 12; 13 - 9 2.25 
94 3 3 ] 43 - 10 2.5 
  
  
  
  
  
  
  
  
  
      
index) in the Valapattanam river basin. 
Table 1. Classification of the Iat (relative tectonic activity 
  
geomorpl 
classes - 
moderate 
Relative 
(S/n) of 
into thre 
values 0: 
with S/n 
with val 
been car 
the tectc 
sudden c 
clearly a. 
indices. 
are foun 
in the Pr 
low tect 
and low 
classes 1 
——— 
x 
À 
12-46‘ 40"8 
17SUN 
11753'20"M. 
  
  
Àn att 
interpre 
indices 
Valapat 
carried 
determi 
and co 
gradien 
integral 
to-heig] 
comput 
identifi 
of Wes 
S of Ta 
basin, 
upper p 
The au 
financi