Table 2. Possible new flow regimes linked to a planned dam for the site described in Table 1. MAF = mean annual flow, env flow = environmental flow released downstream for river maintenance, P = present, A = absent (Brown and King 2002).
| | | |
| Flow component |
|
Present day (m³/s) |
|
Number/yr |
|
Flow Scenario 1 (m³/s) |
|
Flow Scenario 2 (m³/s) |
| |
|
| Dry-season low flows |
|
0.20–4.08 |
|
... |
|
0.20–0.60 |
|
0.15 |
|
| Wet-season low flows |
|
0.36–12.02 |
|
... |
|
0.10–3.00 |
|
0.4 |
|
| Intra-annual flood 1 |
|
4.5–9.99 |
|
6 |
|
5 |
|
1 |
|
| Intra-annual flood 2 |
|
10–20 |
|
3 |
|
2 |
|
0 |
|
| Intra-annual flood 3 |
|
21–41 |
|
3 |
|
2 |
|
0 |
|
| Intra-annual flood 4 |
|
42–84 |
|
2 |
|
2 |
|
0 |
|
| 1:2 yr flood |
|
94 |
|
... |
|
P |
|
A |
|
| 1:5 yr flood |
|
146 |
|
... |
|
P |
|
A |
|
| 1:10 yr flood |
|
181 |
|
... |
|
P |
|
A |
|
| 1:20 yr flood |
|
187 |
|
... |
|
P |
|
P |
|
| % natural MAF as env flow |
|
... |
|
... |
|
53 |
|
10 |
| | |
|