An Oceanographers Perspective Blair Greenan Bedford Institute of Oceanography Fisheries and Oceans Canada 12 th Annual Elisabeth Mann Borgese Ocean Lecture Outline Regional Overview ID: 646848
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Slide1
8 June 2016
Climate Change in Nova Scotia: Are We Ready?
An Oceanographer’s Perspective
Blair GreenanBedford Institute of OceanographyFisheries and Oceans Canada
12
th
Annual Elisabeth Mann
Borgese
Ocean LectureSlide2
OutlineRegional Overview
Ocean Climate ChangeAn Adaptation Tool
Ready for What?8 June 2016Slide3
DFO Maritimes Region
8 June 2016Slide4
Small Craft Harbours
179 Harbours in the Maritimes Region
Average
annual investments of $21.8 million since 2009Most regional SCH facilities support integrated operations of traditional commercial fish harvesters, First Nations fisheries participants and aquaculture.
Southern
New Brunswick
33 Sites
South West
Nova Scotia
99 Sites
Eastern
Nova Scotia
47 SitesSlide5
Climate Change and Variability in the Northwest Atlantic Ocean
Strong
evidence
of change in some variablesAtmospheric and ocean warmingSea level riseDecreasing sea iceIncreasing ocean acidityEarlier spring run-off
Reduced
oxygen
in some areas
Not conclusive evidence of changes in storminessSlide6
Climate Change Risks
8 June 2016Slide7
Global Mean Sea Level
8 June 2016Slide8
Relative Sea Level Trends – Regional Variability
For Atlantic Canada, vertical land motion is largely due to glacial isostatic adjustment (GIA
)8 June 2016Slide9
Future Projections – Global Mean Sea Level Rise
IPCC AR5
8 June 2016Slide10
Increase in Flooding Frequency for Global Mean Sea Level Increase of 0.5m
IPCC AR5
8 June 2016Slide11
Adaptation Options
Adapted from Daigle, 2012
Or Retreat
8 June 2016Slide12
RPIC 2016 Marine Infrastructure National Workshop2-3 Feb 2016Slide13
Ready for What?
Impacts – effects on natural and human systems
Vulnerabilities – the predisposition to being adversely affected Opportunities – adaptation factors that provide ancillary co-benefits
8 June 2016