Geoscience Reference
In-Depth Information
155
150
Post-freshet
145
Pre-freshet
140
135
Pre-freshet
Post-freshet
130
1915
1925
1935
1945
1955
1965
YEAR
Fig. 6.5 Capacity reduction of Hooghly between Panchpara and Uluberia
to more dredging for maintaining the channel. The number of days when deep-
draught vessels of 7.9 m plied to Kolkata port reduced from 291 days in 1938 to
only about 38 days in 1964. Table 6.4 shows the number of days, used by 7.9 m
draught vessels from 1933 to 1973.
Table 6.4 Record of 7.9 m draught vessels using Calcutta port
Year
No. of days
Year
No. of days
1938
291
1952
123
1939
242
1953
142
1940
200
1954
145
1941
160
1955
142
1942
128
1956
126
1943
116
1957
98
1944
94
1958
75
1945
90
1959
40
1946
98
1960
14
1947
99
1961
21
1948
90
1962
28
1949
99
1963
32
1950
115
1964
38
1951
112
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