Annex
F3 Red Tides Data
Table
F3a Monthly Red Tide Occurences in Hong Kong, 1980-1997
(Monthly Distribution) |
Month
|
Number
of Occurrences (Overall) |
Number
and Percentage of Occurences at Bathing Beaches |
January |
45 |
4 (9%) |
Feburary |
52 |
4 (8%) |
March |
75 |
16 (11%) |
April |
60 |
11 (18%) |
May |
58 |
14 (24%) |
June |
32 |
4 (13%) |
July |
26 |
2 (8%) |
August |
23 |
3 (13%) |
September |
19 |
0 (0%) |
October |
26 |
5 (19%) |
November |
19 |
2 (11%) |
December |
46 |
3 (7%) |
TOTAL |
481 |
68 (14%) |
Source:
AFD and EPD data
Table
F3b Annual Red Tide Occurences in Hong Kong, 1980-1997
(Annual
Distribution) |
Year
|
Number
of Occurrences (Overall) |
Number
and Percentage of Occurences at Bathing Beaches |
1980 |
9 |
1(11%) |
1981 |
4 |
0
(0%) |
1982 |
11 |
1
(9%) |
1983 |
23 |
2
(9%) |
1984 |
29 |
2
(7%) |
1985 |
28 |
1
(4%) |
1986 |
33 |
3
(9%) |
1987 |
40 |
7
(18%) |
1988 |
88 |
7
(8%) |
1989 |
39 |
2
(5%) |
1990 |
36 |
8
(22%) |
1991 |
25 |
5
(20%) |
1992 |
19 |
1
(5%) |
1993 |
10 |
5
(50%) |
1994 |
20 |
4
(20%) |
1995 |
23 |
7
(30%) |
1996 |
25 |
6
(24%) |
1997 |
19 |
6
(32%) |
TOTAL |
481 |
68
(14%) |
Source:
AFD and EPD data
Table
F3c FREQUENCY OF RED TIDES IN 10 WCZs in HK, 1980-1997 |
|
Tolo
Harbour |
Southern
|
Port
Shelter |
Junk
Bay |
Deep
Bay |
Mirs
Bay |
North
Western |
Western
Buffer |
Eastern
Buffer |
Victoria
Harbour |
Year
|
Frequency |
Frequency |
Frequency |
Frequency |
Frequency |
Frequency |
Frequency |
Frequency |
Frequency |
Frequency |
1980 |
4 |
0 |
1 |
0 |
0 |
3 |
1 |
0 |
0 |
0 |
1981 |
3 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1982 |
3 |
1 |
6 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1983 |
11 |
3 |
2 |
1 |
1 |
1 |
3 |
0 |
0 |
1 |
1984 |
15 |
3 |
5 |
0 |
0 |
6 |
0 |
0 |
0 |
0 |
1985 |
16 |
1 |
3 |
0 |
0 |
4 |
1 |
1 |
0 |
2 |
1986 |
22 |
1 |
3 |
0 |
0 |
6 |
0 |
0 |
0 |
1 |
1987 |
19 |
9 |
4 |
0 |
0 |
4 |
0 |
3 |
0 |
1 |
1988 |
43 |
11 |
10 |
0 |
0 |
12 |
1 |
7 |
0 |
4 |
1989 |
20 |
3 |
2 |
4 |
0 |
7 |
0 |
1 |
0 |
2 |
1990 |
17 |
8 |
3 |
0 |
0 |
5 |
0 |
3 |
0 |
0 |
1991 |
6 |
5 |
4 |
0 |
0 |
6 |
1 |
1 |
1 |
1 |
1992 |
9 |
2 |
3 |
0 |
0 |
5 |
0 |
0 |
0 |
0 |
1993 |
3 |
2 |
3 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
1994 |
9 |
3 |
1 |
0 |
0 |
6 |
0 |
0 |
0 |
1 |
1995 |
10 |
3 |
6 |
0 |
0 |
3 |
1 |
0 |
0 |
0 |
1996 |
13 |
3 |
4 |
0 |
0 |
5 |
0 |
0 |
0 |
0 |
1997 |
8 |
3 |
2 |
0 |
0 |
4 |
2 |
0 |
0 |
0 |
Sub
Total |
231 |
61 |
63 |
5 |
1 |
79 |
10 |
17 |
1 |
13 |
Source:
AFD and EPD
Reference: MWQHK97\14-4
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