Flood Frequency of Rural Streams in Mississippi, 2013

Scientific Investigations Report 2018-5148
Prepared in cooperation with the Mississippi Department of Transportation
By:

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Abstract

To improve flood-frequency estimates at rural streams in Mississippi, annual exceedance probability flows at gaged streams and regional regression equations used to estimate annual exceedance probability flows for ungaged streams were developed by using current geospatial data, new analytical methods, and annual peak-flow data through the 2013 water year. The regional regression equations were derived from statistical analyses of peak-flow data and basin characteristics for 281 streamgages and incorporated a newly developed study-specific skew coefficient at streamgages located in five subregional watersheds (Middle Tennessee-Elk, Mobile-Tombigbee, Lower Mississippi-Big Black, Pearl, and Pascagoula) in Mississippi. Three flood regions—A, B, and C—were identified based on residuals from the regional regression analyses and contain sites with similar basin characteristics. Analysis was not conducted for the fourth flood region, the Mississippi Alluvial Plain, because of insufficient long-term streamflow data and poorly defined basin characteristics.

Suggested Citation

Anderson, B.T., 2018, Flood frequency of rural streams in Mississippi, 2013: U.S. Geological Survey Scientific Investigations Report 2018–5148, 12 p., https://doi.org/10.3133/sir20185148. [Supersedes USGS Water-Resources Investigations Report 91–4037.]

ISSN: 2328-0328 (online)

ISSN: 2328-031X (print)

Study Area

Table of Contents

  • Acknowledgments
  • Abstract
  • Introduction
  • Data Compilation
  • Application of Methods
  • Summary and Conclusions
  • References Cited

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Flood frequency of rural streams in Mississippi, 2013
Series title Scientific Investigations Report
Series number 2018-5148
DOI 10.3133/sir20185148
Year Published 2018
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Lower Mississippi-Gulf Water Science Center
Description Report: vii, 12 p.; Data Release
Country United States
State Mississippi
Online Only (Y/N) N