METHOD FOR PREVENTING REPEATED (TSUNAMI, STORM SURGE, AND RIVER) DISASTERS BY FORCES OF NATURE
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United States of America Patent
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Issued Date -
Feb 2, 2023
app pub date -
Jan 7, 2020
filing date -
Jan 7, 2020
priority date (Note) -
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Abstract
Provided is a technique for preventing repeated river, storm surge, and tsunami disasters. “Sea hollow (UTSURO)” is constructed at an estuary, violent tide is generated in an estuary basin water area of a river, ebb and flow energy is caused to exceed flow energy due to gravity in a downstream part of the estuary flow are conventionally dominated by the flow energy due to gravity, the flow energy in the river is thus redistributed to deeply dig the riverbed, enhance flood discharge ability, and prevent repeated river disasters, a levee body of the “sea hollow (UTSURO)” is shared, tsunami or storm surge is reflected in a coastal sea area and is prevented in the sea area, tsunami or storm surge invading the estuary, or estuary flood is caused to overflow into an upstream migration water path constituting the “sea hollow (UTSURO)”, and peak cut thereof is performed.
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