Presentation by Chris Walker, Covey Associates, at the Delft3D User Days - Australian Time zone: Inland to Estuary, during Delft Software Days - Edition 2020. Tuesday, 10 November 2020.

1. USING DELFT3D TO MODEL
MECHANICAL AND TIDAL
FLUSHING RATES IN
COASTAL URBAN LAKES
chrisw@covey.com.au

2. COVEY ASSOCIATES PTY LTD
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3. PROJECT BACKGROUND
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Source: https://www.mackay.qld.gov.au/__data/assets/pdf_file/0008/14786/15.15_Constructed_Lakes_V2.pdf

4. LAKE FLUSHING – SEQ CONDITIONS
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 Source: https://www.indiatoday.in/travel/adventure-travel/story/dive-in-the-algae-beach-when-in-china-
274506-2015-11-26

5. Development
Site
Existing tidally
flushed lake
Coral Sea
SUBJECT SITES
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6. SUBJECT SITES
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Pump Intake
Pump Outlets
(500 L/s each)
Lake Outlet Weir

7. M O D E L L I N G M E T H O D
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8. M O D E L L I N G M E T H O D
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9. M O D E L L I N G M E T H O D
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10. RESULTS
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11. RESULTS

12. CLIMATE CHANGE ANALYSIS
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13. FULL FRESHWATER DISPLACEMENT ANALYSIS
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14. CONCLUDING POINTS
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15. ACKNOWLEDGEMENTS
AND QUESTIONS
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