Geoscience Reference
In-Depth Information
Table 5.1 Vulnerable erosion zones of the Bhagirathi-Hooghly as per survey data of 1985-1986
Distance
from
offtake (km)
Affected
length
L/Bank (km)
Affected
length
R/Bank (km) Nature of land loss
Channel
pattern
Sl no Location
1
2
3
4
5
6
7
1
Gobindapur
Meander
20.0
Nil
3.54
Agricultural land
2
Balagachi
Meander
47.0
Nil
3.93
Agricultural land
3
Baidyanathpur Meander
96.0
1.05
1.05
Village
4
Chowrigacha Meander
99.0
2.50
Nil
Village
5
Nagar
Meander
110.0
3.78
3.47
Village & agri Land
6
Ramnagar
Meander
132.0
Nil
2.83
Village & agri Land
7
Narayanpur
Meander
146.0
3.35
0.35
Village & agri Land
8
Katwa
Braided
157.0
0.36
3.20
Village
9
Kalikapur
Meander
168.0
Nil
3.14
Village
10
Charchakundi Meander
174.0
6.45
5.69
Village & agri Land
11
Dampal
Meander
194.0
2.23
4.35
Village & agri Land
12
Bholadanga
Straight
203.0
Nil
2.05
Village & agri Land
13
Karkaria
Straight
209.0
4.23
Nil
Village & agri Land
14
Cutsali
Meander
220.0
3.04
5.03
Village & agri Land
15
Purbasthili
Meander
225.0
1.00
1.00
Village & agri Land
16 Mayapur
Meander
232.0
2.03
0.92
Do & temple
17
Satkhali
Meander
240.0
1.45
0.30
Agricultural land
18
Samudragarh Meander
248.0
0.50
1.50
Do & office
19
Hatipota
Meander
255.0
0.70
0.60
-do-
20
Santipur
Meander
285.0
0.60
Nil
Village & agri Land
21
Fulia
Meander
293.0
2.10
0.20
Village & agri Land
22
Balagarh
Meander
300.0
0.20
0.50
Village & agri Land
23
Zirat
Braided
310.0
2.50
0.50
Village & agri Land
24
Sankrail
Meander
388.0
Nil
0.60
Industry
25
Falta
Straight
425.0
1.80
Nil
Industry
Total
39.87 km
44.85 km
Table 5.2 Migration of bankline in different meander loops of Bhagirathi-Hooghly between 1976
and 1987
Tot a l
affected
length (m)
Tot a l l and area los t
between 1976-1987
(10 4 m 2 )
Location and
Bank
1976-1980
(m)
1980-1985
(m)
1985-1987
(m)
1976-1987
(m)
1
2
3
4
5
6
7
Purbasthali
(left-bank)
170
245
100
515
2080
107.10
Mayapur
(left-bank)
144
256
104
504
2500
126.00
Samudragarh
(right-bank)
45
30
45
120
800
9.60
Zirat (left-bank)
40
265
125
430
2500
107.50
 
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