2021-01-18 GC - Item 3 - Attachment 2 - Phase 7 Project Summary Coastal Hazards Adaptation Plan

 Noosa Shire Council Coastal Hazard Adaptation Plan: Project Summary                                     4
 Methodology




         • Capturing critical input from community members, including valued asset identification, risk
           assessment, options analysis and adaptation pathway development;

         • Identifying the current level of community awareness of possible adaptation responses, including
           understanding the range of options and the implications and effectiveness associated with each;
            and

         • Recognising the community’s values and priorities with regard to adaptation and resilience;
           potential gaps in responses to climate change risks in current Council planning; and new
            pathways for creating a resilient Noosa not previously considered.

         Key outcomes from the workshop relating to adaptation options were:

         • There was generally community acceptance of Council’s preference to use ecosystem-based
           options, such as soft landscaping or sand nourishment.

         • Beach nourishment and sand dune protection needs to be a priority. Pedestrian and vehicle
           access must also be appropriately managed to reduce erosion rates of dunes.

         • Public assets and road infrastructure represent crucial access points for some residents and must
           be upgraded and maintained.

         • More information needs to be provided to the community regarding beach erosion rates and sea
           level rise (SLR) data.

         • Some understanding that commercial business may need to relocate/ retreat if the stability of the
           area becomes uncertain.

         • General level of acceptance for the inundation hazards. Participants are aware of existing
           inundation/flooding and accepted that the extent of these impacts would increase/worsen.

         In addition to the options discussed with and flagged by community stakeholders, additional options
         were sourced from published literature such as the coastal hazard adaptation options Compendium
         (Griffith University Centre for Coastal Management and GHD, 2012) and professional experience.

2.2      Technical studies
2.2.1    Phase 2: Scoping
         An initial scoping assessment was undertaken to review existing information relevant to the Noosa
         CHAP and identify the necessary studies to address key knowledge gaps, identify any further studies
         required to support the CHAP and establish a basis for future risk assessment. The State defined
         hazard areas were then used as the basis for a preliminary risk screening assessment of property
         potentially exposed to coastal hazards by the year 2100.

2.2.2    Phase 3: Hazard Mapping
         Detailed maps of each coastal hazard for the Noosa region were developed, taking into account
         predicted climate change for the present-day, 2040, 2070 and 2100 planning horizons i.e. erosion
         prone areas, areas subject to temporary storm tide inundation and areas subject to permanent sea
         level rise.