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- Project_design_flood abstract "The project design flood is a hypothetical "maximum probable" flood of the Mississippi River used by the United States Army Corps of Engineers to aid in the design and execution of flood protection in the Mississippi Valley.The current project design flood was developed in 1956 by the Mississippi River Commission with input from the Weather Bureau. It is based on a scenario of three rain events in the lower Mississippi Valley occurring 3 days apart: the January 1937 (increased by 10%), January 1950, and then the February 1938 rain event with its center adjusted 90 miles (140 km) to the north and rainfall pattern rotated to achieve a hypothetical worst-case flood of the tributaries of the Mississippi River. Assumptions were made based on the completion of tributary reservoirs and dams by 1960. When the Commission reviewed the plan after the 1973 Mississippi River floods, the Project Design Flood in use was determined to be "based on sound technology that was still reliable by current standards. The project design flood peak discharges remained unchanged."Once the project design flood was developed, flow rates at critical points are used to determine how high levees need to be, how deep the dredging needs to be, and the flowrates at which flood control structures need to be used.".
- Project_design_flood thumbnail Mississippi_River_flow.gif?width=300.
- Project_design_flood wikiPageID "31811118".
- Project_design_flood wikiPageRevisionID "589731856".
- Project_design_flood hasPhotoCollection Project_design_flood.
- Project_design_flood subject Category:Mississippi_River.
- Project_design_flood subject Category:United_States_Army_Corps_of_Engineers.
- Project_design_flood comment "The project design flood is a hypothetical "maximum probable" flood of the Mississippi River used by the United States Army Corps of Engineers to aid in the design and execution of flood protection in the Mississippi Valley.The current project design flood was developed in 1956 by the Mississippi River Commission with input from the Weather Bureau.".
- Project_design_flood label "Project design flood".
- Project_design_flood sameAs m.0gtx7rp.
- Project_design_flood sameAs Q7249399.
- Project_design_flood sameAs Q7249399.
- Project_design_flood wasDerivedFrom Project_design_flood?oldid=589731856.
- Project_design_flood depiction Mississippi_River_flow.gif.
- Project_design_flood isPrimaryTopicOf Project_design_flood.