Description

Sea level rise increases coastal flooding in many areas of Canada. The Canadian Extreme Water Level Adaptation tool has been developed to accommodate sea level rise. The infrastructure needs to be built higher in order to reduce the risk of flooding. The vertical allowance is the recommended height that the infrastructure to be raised in future years relative to year 2010. The vertical allowance depends on (1) statistics of historical storm surge and tides, and (2) the best estimate and associated uncertainty of future sea level rise. The vertical allowance preserves the frequency of flooding events at some future time under uncertain sea level rise. Vertical allowances are provided for scenarios based on the fifth assessment report (AR5) of IPCC for the period of 2020-2100 and the sixth assessment report (AR6) of IPCC for the period of 2020-2150. Cite this data as: Zhai, L., Greenan, B., Perrie, W. Data of: Vertical allowance gridded dataset for Canada. Published: February 2024. Ocean Ecosystems Science Division, Fisheries and Oceans Canada, Dartmouth, N.S. https://open.canada.ca/data/en/dataset/5c164079-9785-42fa-8fa5-d886ccbae3b3

Resources

Name	Format	Description	Link
Vertical allowance gridded dataset for Canada	TIFF		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/5c164079-9785-42fa-8fa5-d886ccbae3b3/attachments/AR5_AR6TiffImages_update.zip
Data Dictionary	PDF		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/5c164079-9785-42fa-8fa5-d886ccbae3b3/attachments/VerticalAllowance_DD.pdf
Vertical allowance gridded dataset for Canada	Ersi REST		https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/vertical_allowance_gridded_dataset_for_canada/MapServer
Vertical allowance gridded dataset for Canada	Ersi REST		https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/vertical_allowance_gridded_dataset_for_canada/MapServer
Related Record: Canadian Extreme Water Level Adaptation Tool (CAN-EWLAT)	HTML		https://open.canada.ca/data/en/dataset/a3edf193-5c56-4b38-bcc5-c8708c60ce38
Technical Report	PDF		https://waves-vagues.dfo-mpo.gc.ca/library-bibliotheque/41093720.pdf

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