From City of Launceston
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Discharge 3600 Cumecs

Created 09/10/2024

Updated 09/10/2024

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Map notes:North Esk & Tamar Flood Water Surface ProfilesFor use in Planning GeneralThese maps indicate North Esk derived flood levels from the Black Bridge to Corra Linn. The maximum flood levels below Hobblers Bridge and in the Tamar are determined by South Esk discharges into the Tamar which provide higher elevations than the North Esk discharges for the same Average Recurrence Interval (ARI).This map is primarily intended for use in planning to that end it includes:A 100 year ARI profile with current sea level conditionsA 100 year ARI profile with 800mm rise in sea levelA 200 year ARI profileDischargesHydro Consulting was commissioned to review the South Esk hydrology while the North Esk hydrology was derived by the University of New South Wales Water Research laboratory. The Table 1 indicates the results of latter study used in the construction of this map.Flood Return Period in Years ARINorth Esk Flood Discharges (UNSW WRL 2006)South Esk Discharges (Hydro Consulting 2008)1034514302041918105052623301006142910200710(Monte Carlo Range)1850 3430 39905008514630Table 1The adopted tail-water level used in the North Esk analysis for this map was 2.1 m AHD at the junction with the Tamar for all discharges. This represents the highest astronomical tide at Launceston with average atmospheric pressure and neutral wind conditions. The North Esk model was successfully calibrated to the flood which occurred on 30thAugust 2005 which peaked at 470 cumecs and the flood which occurred on 21stJune 2011 at 251 cumecs.

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Additional Info

Field Value
Title Discharge 3600 Cumecs
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/ba9c4e0c-809b-4b40-9805-bef68bdad865
Contact Point
City of Launceston
seda@launceston.tas.gov.au
Reference Period 23/02/2023
Geospatial Coverage {"type": "Polygon", "coordinates": [[[147.103, -41.4432], [147.103, -41.3961], [147.1734, -41.3961], [147.1734, -41.4432], [147.103, -41.4432]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Discharge 3600 Cumecs". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/discharge-3600-cumecs

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No duplicate datasets found.