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Coastal Subsidence Study 2005
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Coastal Subsidence Study 2005
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12/9/2011 3:40:29 PM
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12/9/2011 3:38:17 PM
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Figure 3-9 – <br />Inundation near <br />the intersection of <br />Waiopae Road <br />and Kaheka <br />Street on August <br />17, 2005. <br />Maximum <br />inundation is <br />recorded by a <br />cord. Predicted <br />high tide is 3.17 <br />feet above <br />MLLW. <br />Figure 3-10 – Maximum <br />inundation on July 10, <br />2006. Although the <br />predicted high tide was <br />less, at 3.13 above <br />MLLW, the inundation is <br />greater. This is <br />attributed to stronger <br />wind and wave setup, <br />but subsidence could <br />have also played a role. <br />Depth of water at the <br />maximum channel <br />depth is 1 and 15/16 of <br />an inch or about 5 cm. <br />3.3 Discussion <br />In this effort to map the high tide line on August 17, 2005 and July 10, 2006, <br />several observations and conclusions can be made. While the purpose of these field <br />trips were to observe the high tide event, it is conceivable that property owners and <br />agencies could have, or may have used these events to determine the shoreline for a <br />specific parcel using the traditional methods as outlined in the State’s shoreline <br />certification procedures. Thus the observations have several implications that relate <br />26 <br /> <br />
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