2021-11-15 GC Agenda - Item 7 - Attachment 2 - Coastal Hazards Adaptation Plan with tracked changes

List of Figures
Figure 1 - Process for developing a Coastal Hazards Adaptation Plan.......................................... 11
Figure 2 - Noosa's coastal zone and CHAP study area ................................................................. 15
Figure 3 - Example of coastal erosion processes and projections at Peregian Beach (this image is
not to scale and is for indicative purposes only). ........................................................................... 21
Figure 4 - Erosion Prone Area during a 100-year Average Recurrence Interval (ARI) marine storm
event in 2100 ................................................................................................................................ 22
Figure 5 - Area of land subject to permanent tidal inundation in 2100 ........................................... 24
Figure 6 - Normal tide versus Storm tide (source: Sunshine Coast Regional Council) .................. 26
Figure 7 - Indicative example of increasing extent of storm tide inundation at Gympie Terrace from
2020 to 2100, due to sea level rise (this image is not to scale and is for indicative purposes only).
 ..................................................................................................................................................... 27
Figure 8 - Area of land subject to a 100-year ARI storm tide event in 2100 ................................... 29
Figure 9 - Hierarchy of preferred coastal management responses for areas vulnerable to coastal
hazards ......................................................................................................................................... 33
Figure 10 - Coastal localities by type of hazards each is exposed to ............................................. 43
Figure 11 - Effect of adaptation actions on risk profile over time (source: Bundaberg Regional
Council) ........................................................................................................................................ 44
Figure 12 - Preferred long-term adaptation pathway response to projected coastal erosion risks in
Peregian Beach ............................................................................................................................ 48
Figure 13 - Preferred long-term adaptation pathway response to projected coastal erosion risks in
Marcus Beach and Castaways Beach ........................................................................................... 51
Figure 14 - Preferred long-term adaptation pathway response to projected coastal erosion risks in
Sunrise Beach and Sunshine Beach ............................................................................................. 56
Figure 15 - Preferred long-term adaptation pathway response to projected coastal erosion risks
along Teewah Beach .................................................................................................................... 60
Figure 16 - Preferred long-term adaptation pathway response to projected coastal inundation risks
in Noosa North Shore ................................................................................................................... 63
Figure 17 - Preferred long-term adaptation pathway response to projected coastal erosion risks in
Noosa Heads ................................................................................................................................ 67
Figure 18 - Preferred long-term adaptation pathway response to projected coastal inundation risks
in Noosa Heads ............................................................................................................................ 69
Figure 19 - Preferred long-term adaptation pathway response to projected coastal inundation risks
in Noosaville ................................................................................................................................. 73
Figure 20 - Preferred long-term adaptation pathway response to projected coastal inundation risks
in Tewantin ................................................................................................................................... 77
Figure 21 - Preferred long-term adaptation pathway response to projected coastal inundation risks
in Cooroibah, Cootharaba, Como & Boreen Point ......................................................................... 81
Figure 1 - Process for developing a Coastal Hazards Adaptation Plan............................................ 8
Figure 2 - Noosa's coastal zone and CHAP study area ................................................................. 12
Figure 3 - Example of coastal erosion processes and projections at Peregian Beach (this image is
not to scale and is for indicative purposes only). ........................................................................... 18
Figure 4 - Erosion Prone Area during a 100-year Average Recurrence Interval (ARI) marine storm
event in 2100 ................................................................................................................................ 19
Figure 5 - Area of land subject to permanent tidal inundation in 2100 ........................................... 21
Figure 6 - Normal tide versus Storm tide (source: Sunshine Coast Regional Council) .................. 22
Figure 7 - Indicative example of increasing extent of storm tide inundation at Gympie Terrace from
2020 to 2100, due to sea level rise ............................................................................................... 23
Figure 8 - Area of land subject to a 100-year ARI storm tide event in 2100 ................................... 25
Figure 9 - Hierarchy of preferred coastal management responses for areas vulnerable to coastal
hazards ......................................................................................................................................... 29
Figure 10 - Coastal localities by type of hazards each is exposed to ............................................. 39
Figure 11 - Effect of adaptation actions on risk profile over time (source: Bundaberg Regional
Council) ........................................................................................................................................ 40

Noosa Council – Coastal Hazards Adaptation Plan                                                                                                Page 4