Modelling dry season flows and predicting the impact of water extraction of flagship species
Georges, Aurthur; Webster, Ian; Guarino, Fiorenzo; Jolly, Peter; Thoms, Martin; Doody, Sean; CRC for Freshwater Ecology (Australia); University of Canberra. Applied Ecology Research Group
E-Publications; E-Books; PublicationNT; 57/2002; National River health program
2002-11-20
Daly River
The aim of this project is to contribute to recommendations on environmental flows to ensure that they are consistent with maintaining the biota of the Daly River, given competing demands of agriculture, recreation and tourism, conservation and Aboriginal culture. Our focus is on flow, connectivity and water temperatures.
Made available by via Publications (Legal Deposit) Act 2004 (NT); Submitted to the Northern Territory. Department of Infrastructure Planning and Environment
1. Project Details -- 2. Executive Summary -- 3. Interpretation of the Brief -- 4. Variation of the Brief -- 5. Background -- 6. The Daly Drainage -- 7. The Pig-nosed turtle -- 8. Analysis of Historical Flow Data -- 9. Analysis of Contemporary Flow Data -- 10. Modelling Flow Reduction -- 11. Water Temperature Versus Flow -- 12. Impact on Flagship Species -- 13. References
English
Environmental Flows; Modelling; Biota
Northern Territory Government
Palmerston
Final Report
57/2002; National River health program
75 pages ; 30 cm
application/pdf
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
https://creativecommons.org/licenses/by/4.0/
https://hdl.handle.net/10070/885434
https://hdl.handle.net/10070/885435
26 Transitional months defined in the above terms were calculated for each year with complete data (n=32). Duration of low flow conditions ranged from 5 to 8 months, with the transition from high to low flow ranging from March to May and the transition from low to high flow ranging from November to January (Table 3). Table 3. Transitional month between high and low flow (H-L), between low and high flow (L-H) and the duration of the intervening period (low flow period). The transition between high and low flow is defined as the month in which the number of days experiencing rises fell for the first time below the number of days of steady state flow (change < 1 cumec). The transition between low and high flow is defined as the month in which the number of days experiencing rises increased for the first time to exceed the number of days of steady state flow. Analysis includes only data from year for which the data were complete. Year H-L L-H Duration Year H-L L-H Duration 1961 4 1 8 1981 4 11 6 1962 4 12 7 1982 4 12 7 1965 5 12 6 1983 5 12 6 1966 3 12 8 1984 5 1 7 1967 4 . . 1985 5 11 5 1969 4 12 7 1986 3 12 8 1970 3 11 7 1987 4 12 7 1971 5 11 5 1988 4 12 7 1972 5 1 7 1991 5 12 6 1973 5 11 5 1992 4 12 7 1974 5 11 5 1993 4 12 7 1976 5 12 6 1994 4 12 7 1977 5 12 6 1995 5 12 6 1978 4 12 7 1996 4 11 6 1979 4 . . 1997 4 12 7 1980 4 12 7 1998 5 11 5 H-L L-H