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Exhibit 6. 2100 Medium & High Sea Level Rise Scenarios - Seattle <br />E <br />d <br />m <br />0 <br />m <br />E <br />m <br />U <br />0) <br />0 <br />0 <br />a <br />m <br />a <br />v <br />0 <br />m <br />U <br />0) <br />E <br />U <br />0) <br />a <br />q <br />0 <br />a <br />c4 <br />0 <br />m <br />Puget Sound <br />Disc! aimer. <br />Considerable care haa,been taken to see that these data are as <br />accurate as possible. 1.* believe most 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-wate 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 vertical accuracy on the <br />order of a foot. Locally, the data is of considerably poorer quality. <br />Ur should carefully ermine the plac to -place accuracy <br />and fitness of these data for your particular purposes. For many <br />purposes a site- and use -specific field survey wit 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 fiat areas in the complete data set(adjusted from the 15 cm <br />RMSE in the FEMA specification to cm to accommodate <br />the dense vegetation cover in the Pacific Northwest). <br />Lake <br />Washington <br />0.5 1 '`.z Miles <br />f,-1_ 1 1 1 1 1 1 1 `,, <br />Legend <br />Current Roadway <br />Current Ordinary High Water <br />1111 Medium Sea Level Rise Scenario (1ft) <br />High Sea Level Rise Scenario (4ft) <br />Appendix L: Climate Change Background <br />