13 12
1 2 2 6 1 7 1. 9 2. 9 3. 9 2 13 1. 13 2. 14 3. 16 4. 16 5. 18 1 19 2 21 1. 21 2. 23 3. 23 4. 24 5. 24
1 25 1. 25 2. 25 3. 27 (1) 27 (2) 49 (3) 53 2 55 1. 55 2. 55 56 1. 56 2. 56 3. 56 57 58
881m 488km 2 44km 3 7 1 10 34 10 50 10 23 50 1.31 1.67 1) 15 16 2,600mm 1,700mm 250mm 50mm 2) 1
48 4 33 15 10 33 150 150
30 1) 2)
2 8 12 8 11 27 49 0.0424m 3 /s 0.0089m 3 /s 0.02m 3 /s 2,570ha 800ha(2.187 m 3 /s) 8
19 1734 29 49 50 10 57 10 49 3 87 2,240 989ha 49 7 57 9 18 571mm 2,384 1,131 57 9
10 9 6 7 152 69 50 10 9 27 54
-2.1 m 19 16 1734 1802 1823 10 1826 1856 12 1858 1868 50 16 1876 30 25 1892 22 30 1897 23 20 34 28 79 30 29 1897 13 49 15 89 120 31 1898 184 47 37 33 28 1900 24 56 36 1903 53 558 676 108 36 1903 28 463 771 12 43 10 1910 202 4,078 4,834 743 44 1911 318 5,446 3,517 996 13 23 1912 26 97 20 1945 1,500ha 29 18 1954 14 3,532 75 2,600 61 71 35 13 1960 12 60 1 37 1962 22 704 42 28 1967 380 44 20 1969 18ha 45 10 18 1970 47 1972 23 49 1974 87 2,240 989ha 50 10 8 1975 450ha 2,018 6,000 51 19 21 1976 184 821 55 1990 528 56 3 24 27 1981 48 56 10 1981 17 191 57 7 1982 10 269 58 57 10 13 1982 18 2,384 1,131 4 58 12 19 1983 56 217 26 2 1990 11 11 304 10 9 18 26 1998 67 152 69 39 ( ) 58 11 2000 1998
0.0424m 3 /s 0.0089m 3 /s 0.02m 3 /s 2,570ha 800ha(2.187 m 3 /s) 28 47 11 0.99m 3 /s0.99m 3 /s/100km 2 2.32m 3 /s 1.28m 3 /s/100km 2 48 53 60 6 7 8 6 13
1
B 3.0mg/l A (2.0mg/l ) 10 10 BOD75% 2.4mg/l 1.6mg/l 3.5 3.0 A C (5.0 /) A C 0.5 BOD(mg/l) 4.5 4.0 2.5 2.0 1.5 1.0 0.0 2 ( ) 3 4 5 6-2.3 BOD 7 8 9 247 2) 35m 56 1) 74 2) 10 11
302 2) 514m 264m
10m 1) 7 2) 2 3 8 5 10 NPO
50 1
-3.1
-3.1
20 10 9 10 1 3,200m 3 /s 50 1 10 9 360 180 520 450 430 130 1300 1700 1700 160 1200 170 150 740 1500 1400 330 3200 m 3 /s -3.1
0.5m 3 /s
5-4.1-4.1 4.0 7.0 9.0 14.0 15.0 JR 9.7k 13.5 14.2 9.5 11.5 2.3 0.7 1.0 0.0 2.3 0.0 3.4
1 2.5 4.4 1.6 3.1 1 0.5 1.7 2.4 4.0 6.0 9.5 4.2 6.6 1.0 2.8 4.2
1) 1 4.0k 3,200m 3 /s 3,200 1,500 4.0k 1,700-4.2(1) m 3 /s 0.1km -4.3(1)
2) 2 7.0k 9.0k 1,700m 3 /s 430 1,700 1,300 7.0k 9.0k -4.2(2) m 3 /s 7.2km -4.3(2)
3) 3 (14.0k ) 15.0k 1,300m 3 /s 1,700 430 1,300 14.0k 15.0k -4.2(3) m 3 /s 14.2km -4.3(3)
4) 1 (JR ) 1,200m 3 /s 9.7k 450m 3 /s 1,700 170 1,500 1,200 9.7k 450 3,200 JR 740 m 3 /s -4.2(4) 7.0km 3-4.3(4)
5) 2 13.5k 14.2k 450m 3 /s 740 450 14.2k 13.5k -4.2(5) 1,200 m 3 /s 14.2km -4.3(5)
6) 1 (9.5k ) (11.5k ) 45m 3 /s JR 30 80 45 110 9.5k 11.5k m 3 /s -4.2(6) 9.8km -4.3(6)
7) (0.0k ) (2.3k : ) 14m 3 /s 110 20 0.0k 2.3k 14 130 m 3 /s -4.2(7) 1.0km -4.3(7)
8) 0.7k 1.0k 30m 3 /s 110 30 80 0.7k 1.0k m 3 /s -4.2(8) 0.7km -4.3(8)
9) (0.0k ) (2.3k ) 150m 3 /s JR 150 1,400 2.3k 0.0k 1,500 m 3 /s -4.2(9) 1.0km -4.3(9)
10) 90m 3 /s 90 80 170 1,200 8.5k 5.7k -4.2(10) m 3 /s 6.0km -4.3(10)
11) (0.0k ) (3.4k ) 80m 3 /s 90 170 80 3.4k -4.2(11) m 3 /s 2.0km -4.3(11)
12) 1 1 140m 3 /s 740 170 1 140 1 14.8k 15.3k m 3 /s -4.2(12) 15.0km 3.0-4.3(12)
13) 2 170m 3 /s 740 170 13.6k 14.2k m 3 /s -4.2(13) 14.0km -4.3(13)
14) (2.5k ) (4.4k ) 130m 3 /s 130 190 470 4.4k 2.5k 660 m 3 /s -4.2(14) 3.5km -4.3(14)
15) 1.6k 3.1k 50m 3 /s 130 50 3.1k 1.6k 190-4.2(14) m 3 /s 2.0km -4.3(15)
16) (0.5k 1 ) (1.7k ) 210m 3 /s 1 260 210 1.7k 0.5k 470-4.2(16) m 3 /s 0.7km -4.3(16)
17) 1 (2.4k ) (4.0k ) 370m 3 /s 370 170 430 1,300 4.0k 2.4k 1,700 m 3 /s -4.2(17) 3.0km -4.3(17)
18) 2 (6.0k ) (9.5k ) 170m 3 /s 2 170 430 1,300 9.5k 6.0k 1,700-4.2(18) m 3 /s 9.5km -4.3(18)
19) (4.2k ) (6.6k ) 140m 3 /s 140 4.2k 6.6k -4.2(19) m 3 /s 4.3km -4.3(19)
20) 2 1.0k 2.8k 330m 3 /s 170 2.8k 1.0k 3,200 130 300 330 m 3 /s -4.2(20) 1.0km -4.3(20)
21) 0.0k (3.4k) 170m 3 /s 3.4k 4.2k 130m 3 /s 130 0.0k 170 3.4k 4.2k 150 130 300 m 3 /s -4.2(21) 3.0km -4.3(21)
(2) 70m 11,600,000m 3 10,800,000m 3 550m 3 /s 350m 3 /s 0.5m 3 /s 12 56,500m 3 / 0.654 3 /s 9 11 ) 31 41 5 6 9 14 2 3 9 11 4 5 2 2 14 25 17 *,1994,1994
-4.2 20.0km 2 0.56km 2 70m 11,600,000m 3 290.0m 10,800,000m 3 242,000m 3 EL270.5m EL288.0m EL284.0m EL286.4m
-4.4-4.5
-4.6
(3) -4.3
NPO (1) 1 (2) 1 (3) (4) 0.5m 3 /s
(5) (6) (7) NPO
2030
355 275 A BOD 2.0mg/l B BOD 3.0mg/l C BOD 5.0mg/l
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