Water Plan (Gulf) 2007
sec.17Performance indicators for environmental flow objectives
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sec.17 Performance indicators for environmental flow objectives
The performance indicators for the environmental flow objectives are— for assessing periods of low flow at a node— the number of periods of no flow of more than 1 month but less than 6 months; and the number of periods of no flow of 6 months or more; and the proportion of no flow days; and median non-zero daily flow; and for assessing periods of medium to high flow at a node— mean annual flow; and median annual flow; and 10% daily flow; and 1.5 year daily flow volume; and 5 year daily flow volume; and 20 year daily flow volume; and for assessing periods of wet season flow at a node—median wet season flow. s 17 amd 2015 SL No. 99 s 7
- (a) for assessing periods of low flow at a node— (i) the number of periods of no flow of more than 1 month but less than 6 months; and (ii) the number of periods of no flow of 6 months or more; and (iii) the proportion of no flow days; and (iv) median non-zero daily flow; and
- (i) the number of periods of no flow of more than 1 month but less than 6 months; and
- (ii) the number of periods of no flow of 6 months or more; and
- (iii) the proportion of no flow days; and
- (iv) median non-zero daily flow; and
- (b) for assessing periods of medium to high flow at a node— (i) mean annual flow; and (ii) median annual flow; and (iii) 10% daily flow; and (iv) 1.5 year daily flow volume; and (v) 5 year daily flow volume; and (vi) 20 year daily flow volume; and
- (i) mean annual flow; and
- (ii) median annual flow; and
- (iii) 10% daily flow; and
- (iv) 1.5 year daily flow volume; and
- (v) 5 year daily flow volume; and
- (vi) 20 year daily flow volume; and
- (c) for assessing periods of wet season flow at a node—median wet season flow.
- (i) the number of periods of no flow of more than 1 month but less than 6 months; and
- (ii) the number of periods of no flow of 6 months or more; and
- (iii) the proportion of no flow days; and
- (iv) median non-zero daily flow; and
- (i) mean annual flow; and
- (ii) median annual flow; and
- (iii) 10% daily flow; and
- (iv) 1.5 year daily flow volume; and
- (v) 5 year daily flow volume; and
- (vi) 20 year daily flow volume; and