Territory Stories

Alice Springs recreational dam hydrology report project 6

Details:

Title

Alice Springs recreational dam hydrology report project 6

Creator

Jackson, D.; Paige, D.

Collection

E-Publications; E-Books; PublicationNT; Report no. 12/1979

Date

1979-10-01

Notes

Date:1979-10

Language

English

Publisher name

Northern Territory Government

Place of publication

Darwin

Series

Report no. 12/1979

File type

application/pdf

Use

Attribution International 4.0 (CC BY 4.0)

Copyright owner

Northern Territory Government

License

https://creativecommons.org/licenses/by/4.0/

Parent handle

https://hdl.handle.net/10070/228346

Citation address

https://hdl.handle.net/10070/674275

Page content

Technical Report WRD79012 Viewed at 00:02:46 on 18/02/2010 Page 127 of 153. I I I I I I I I I I I I I I I I I I I I 29 Table 14 INFLOWS AND OUTFLOWS OF DAM Case (b) Floods (yrs) Starting Elevation - 594m Return Periods Inflow(m 3/s) Discharge(m 3/s) Max. Level (m) 5 350 149 595.8 10 490 225 596.3 20 650 330 596.7 50 850 493 597.2 100 1000 604 579.5 500 1400 930 598.2 M.P.F. 4620 4295 602.3 For case (a) the secondary spillway is expected to be used~ on average, once every 8~ years. For case (b) it is once every 5., years. The spillway at 598 metres (dam wall) has return periods of use of 500 and 380 years for cases (a) and case (b) respectively. These return periods are based on the dam starting full. They are slightly higher if the dam starts at elevation 592.7m.