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2021-01-18 GC - Item 3 - Attachment 3 - Cost Benefit Analysis for Coastal Erosion Options
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Appendix B: Assumptions and data
Table B1 Input assumptions
Parameter Value Unit Source Description Confidence
BMT (unpublished) - Mapped coastal Length of beach under
length 12858 metre High
erosion extent for Noosa consideration
Number of households in local
households 295349 no ABS 2016 - Census household data Medium
region
Annual growth in number of
household_growth 0.00 decimal Assumed Low
households
Noosa Surf Lifesaving Club Annual beach use when beach is in
max_beach_use 5530980 no/year Medium
(unpublished) - June 2013 survey excellent condition
beach_use_growth 0.01 decimal Assumed Annual growth in beach use Low
Aither consultations with Noosa
local_prop 0.50 decimal Proportion of beach use by locals Medium
stakeholders
Aither 2018 - Maroochydore coastal Proportion decline in beach use
rec_seawall 0.50 decimal Medium
adaptation study with seawall
Raybould et al. 2011 - A travel cost
local_value 10 $/visit model of local resident’s beach Local recreational value per visit Low
recreation values
Raybould et al. 2011 - A travel cost
Year of estimate for local
local_value_year 2008 year model of local resident’s beach High
recreational value
recreation values
Blackwell 2007 - The value of a
tourist_value 12 $/visit Tourist recreational value per visit Low
recreational beach visit
AITHER | Final Report 26
Noosa Shire Council – Coastal Hazard Adaptation Plan
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