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