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Exhibit 8. 2100 High Sea Level Rise Scenario & Storm Surge - Seattle <br />Disclaimer. <br />Considerable care habeen taken to see that these data are as <br />accurate as possible. \ft believe Ii .i t of the data is adequate <br />for determination of flood hazards, for geologic mapping, for <br />hydrologic modeling, for determination of slope angles, for <br />modeling of radio -ware transmission, and similar uses with <br />a level of detail appropriate to a horizontal scale of 1:12,000 <br />(1 inch = 1,000 feet) or smaller and ve rical accuracy on the <br />order of a foot. Locally, the data is of c nsiderably poorer quality. <br />User should carefully detennine the placetto-place accuracy <br />and fitness of these data for your particulaf purposes. For many <br />purposes a site- and use-spedfic field survey will be necessary. <br />The accuracy specification is based on akequired Root Mean <br />Square Error (RMSE) 'Bare Earth' vertical accuracy of 30 cm <br />for flat areas in the complete data set adjusted from the 15 cm <br />RMSE in the FEMA specification to ?b cm to accommodate <br />the dense vegetation cover in the Pacific Northwest). <br />0 0.5 1 ` ,2 Miles <br />f <br />High Sea Level Rise Scenario (4ft) <br />1111 Extreme Event Storm Surge (2ft) <br />Appendix L: Climate Change Background <br />