67.5km 299.4km 2 2 2 16km 1/6 47km 2 1
1 (m) (km 2 ) 2,700 7.6 9,927 47.1 8,100 13.4 8,120 4.8 52 0.4 1,100 6.0 2,200 3.8 6,982 45.3 4,473 14.4 5,000 9.5 2 (km 2 ) (km) 1 299.4 67.5 2 284.5 38.8 3 267.0 77.0 4 245.9 75.0 5 203.0 37.3 3 (km 2 ) 129.1 87.7 69.6 13.0 299.4 2
(1) JR 5km 3
(2) 4
60 JR 5
15 16 1900mm 6
16 10 22 24 400mm 1/5 16 10 9 9 7
4 465 3m 8
465 465 9
12 10
17 2 11
12
7 13
58 14
6 15
16
17
465 800m 4600m 18
3 170m 3 /s 19
1.0 4.0 20
700 21
22