FLOODS IN JACKSON QUADRANGLE, MISSISSIPPI
by K.V. WilsonPrepared by the U.S. Geological Survey
1973
Open-File Atlas
This report was prepared by the U.S. Geological Survey as part of a cooperative program of water resources investigations with the city of Jackson, Miss. Hydrologic data are presented that can be used to evaluate the extent of flooding that may be expected on Hanging Moss, Eubanks, Town, Lynch, Hardy, and Cany Creeks, and the Pearl River at Jackson. The technical information provided will aid in reaching decisions for sound economic management of flood-plain areas.
The areas inundated by floods having a recurrence interval of 100 years are shown on the topographic map, with the flood boundaries being determined for the present (1972) channel conditions and present conditions of urban development. Changed waterway openings at bridges and culverts, improved drainage systems, increased urbanization, retention structures, and other cultural changes may affect the boundaries of inundation by future floods.
The general procedure used in delineating the flood boundaries for the 100-year floods was to construct flood profiles based on conveyance studies and on flood marks identified in the field. Flood elevations from the 100-year profiles and field investigations were used to develop the boundary lines, which were initially interpolated on maps with a contour interval of 2 feet and were later transferred to the Jackson quadrangle map.
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For questions or comments, contact K. Van Wilson.