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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />The dollar amounts listed in Table IV-l have been plotted against the exceedence <br />probability (inverse of the return period) by reach in Figures IV-2 through IV-5. These <br />figures illustrate where the bulk of flood damages occur. In the lower reaches of DFA <br />0054, heavy flood damages result from the more frequent floods. This indicates minor <br />channel capacity. In Reaches 3 and 4, flood damages rise only in the less frequent floods. <br /> <br />The area beneath the flood damage curves represents the average annual flood <br />damage. This is the yearly cost of leaving the existing conditions as they are. Listed in <br />Table IV-2 are the average annual flood damages summarized by jurisdiction. These are <br />the "baseline" conditions against which the alternative plans will be judged. <br /> <br />IV-3 <br />