CLIMATE CHANGE PLANNING IN CHELSEA, MASSACHUSETTS JOHN DEPRIEST, AICP, DIRECTOR CHELSEA DEPARTMENT OF PLANNING & DEVELOPMENT MASSACHUSETTS SMART GROWTH CONFERENCE WORCESTER, MA MAY 17, 2017
CHELSEA ESPECIALLY VULNERABLE TO COASTAL STORMS 60% of municipal boundary borders tidally influenced waterways Mystic River provides a direct pathway for storm surge up the river Low-lying areas of the city are, on average, less than 10’ above sea level Filling of tidelands & marshes & armoring of waterfront have disrupted natural protection SOURCE: Designing Coastal Community Infrastructure for Climate Change, 2017 SOURCE: United States – East Coast, Boston Harbor, NOAA, 1998
Probability of Flooding Potential Flooding Depths Present Present 2030 2030 2070 2070
The City of Chelsea’s Local Climate Adaptation + Resilience Initiatives Worcester Polytechnic Institute 2014 Identify potential impacts of flooding and prepare talking points for permitting boards Emerson College 2015 Communicating Climate Change Issues to a Multi-Ethnic Community WPI/Woods Hole Group/Stantec 2016 WPI students identify potential impacts of flooding on key municipal infrastructure WHG identify and map extent of flooding under different scenarios Stantec develop conceptual plans and cost estimates to prevent flooding
The City of Chelsea’s Local Climate Adaptation + Resilience Initiatives (Continued) FEMA Hazard Mitigation Plan 2016 UMass Boston/MAPC/AGU 2016 Identify impacts of flooding on New England Produce Center American Geophysical Union (AGU) Scientist Synthesize existing studies/information Identify issues yet to be addressed Develop a plan of action for developing a full impact assessment
The City of Chelsea’s Local Climate Adaptation + Resilience Initiatives (Continued) Metro Mayors Coalition Climate Smart Tool Trust for Public Land (TPL) 2017 TPL developed a GIS based tool for identifying potential impacts of climate change Worcester Polytechnic Institute 2017 WPI students identify extent of heat related impacts on Chelsea and vulnerable populations Review and identify adaptation strategies to address heat impacts
RESILIENCY PLANNING IN CHELSEA & COASTAL COMMUNITIES Coastal Surge Affected by tides: timing is critical Designated Port Area Preserve working waterfront Affects location of structures Multi-jurisdictions/Constituencies City State Federal Densely Urban & Built Out
THANK YOU. GRACIAS. MERCI. GRAZIE. DANKE. TACK. ASANTE. 감사합니다. NUQNEH. John DePriest, AICP Director of Planning & Development/ Conservation Agent City Hall, Rm 101 500 Broadway Chelsea, MA 02150 617-466-4180 (office) 617-466-4182 (direct) 617-466-4195 (fax) jdepriest@chelseama.gov