. Analytical solutions of the one-line model of shoreline change. Coast changes; Beach erosion; Shore protection. mining of sand. Equations 55 and 56 describe only the general features of delta growth since the river flow conditions within the delta formation are neglected in the present treatment. The time required for the delta to reach a certain distance y from the original shoreline position is calculated from the following relationship y (t) D 4i erfc 2/Ft (60) for t > 0 and x = 0 . Equation 60 is illustrated in the nondimensional diagram of Figure 27. For a specific wave climate, the
. Analytical solutions of the one-line model of shoreline change. Coast changes; Beach erosion; Shore protection. mining of sand. Equations 55 and 56 describe only the general features of delta growth since the river flow conditions within the delta formation are neglected in the present treatment. The time required for the delta to reach a certain distance y from the original shoreline position is calculated from the following relationship y (t) D 4i erfc 2/Ft (60) for t > 0 and x = 0 . Equation 60 is illustrated in the nondimensional diagram of Figure 27. For a specific wave climate, the above relation implies that an increase in the sand. 2 3 TIME (et/aJ) Figure 27. Maximum delta growth from a sand-discharging river mouth of finite length discharge from the river has a proportional effect on the growth of the delta according to the following relation: 44. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Larson, Magnus; Hanson, Hans; Kraus, Nicholas C; U. S. Army Engineer Waterways Experiment Station; Coastal Engineering Research Center (U. S. ); United States. Army. Corps of Engineers. [Vicksburg, Miss. : U. S. Army Engineer Waterways Experiment Station ; Springfield, Va. : available from National Technical Information Service]
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