Spillways Scheduling for Flood Control of Three Gorges Reservoir Using Mixed Integer Linear Programming Model

Table 4

Status of the deep outlets of 20-year flood with 1981 type, where ● and ○ imply that the deep outlet is open and closed, respectively.

Time

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

21

22

23

1

○

○

○

○

○

○

○

○

○

○

○

●

○

○

○

○

○

○

○

○

○

○

○

2

○

○

○

●

●

●

●

●

●

●

●

○

●

●

●

●

●

●

●

●

○

○

○

3

○

●

●

●

●

●

●

●

●

●

●

○

●

●

●

●

●

●

●

●

●

●

○

4

○

○

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

○

○

5

○

○

●

●

●

●

●

●

●

●

●

○

●

●

●

●

●

●

●

●

●

○

○

6

○

○

●

●

●

●

●

●

●

●

●

○

●

●

●

●

●

●

●

●

●

○

○

7

○

○

○

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

○

○

○

8

○

○

○

○

●

●

●

●

●

●

●

○

●

●

●

●

●

●

●

○

○

○

○

9

○

○

○

○

○

○

●

●

●

●

●

○

●

●

●

●

●

○

○

○

○

○

○

10

○

○

○

○

○

○

●

●

●

●

●

○

●

●

●

●

●

○

○

○

○

○

○