Flood volumes in the upper Mississippi River basin, April 1 through September 30, 1993
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Abstract
Previous maximum flows on many streams and rivers were exceeded during the flood of 1993 in the upper Mississippi River Basin. Not only were peak discharges exceeded at many streamflow-gaging stations, but flood volumes were significantly higher than previous maximums. Rainfall amounts that were greater than 50 inches were recorded in parts of Kansas, Missouri, and Iowa from April 1 through September 30, 1993 . As a result of the excess rainfall, 53 of the 60 stations discussed in this report had flow volumes that were greater than twice the mean flow volume for April through September. The Mississippi River at St. Louis, Missouri, remained above flood stage for 144 days from April 1 to September 30, 1993, compared with 81 days during the 1973 flood. Of the 60 stations, 24 recorded new maximum 3-day flood volumes, and 47 recorded new maximum 120- day flood volumes. This indicates that the flooding of 1993 is significant with respect to its long duration and magnitude of flow . The same aspect is indicated in the frequency analysis of the 1993 flood. During the 1993 flood, the 100- year 3-day flows were exceeded at 22 stations, and the 120-day flows were exceeded at 43 stations.
Study Area
Table of Contents
- Foreword
- Abstract
- Introduction
- Precipitation, April 1 through September 30, 1993
- Flood volumes, April 1 through September 30, 1993
- Effects of reservoirs on floods
- Elevation and contents of selected reservoirs
- Summary
- Selected references
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Flood volumes in the upper Mississippi River basin, April 1 through September 30, 1993 |
| Series title | Circular |
| Series number | 1120 |
| Chapter | H |
| DOI | 10.3133/cir1120H |
| Year Published | 1995 |
| Language | English |
| Publisher | U.S. Government Printing Office |
| Publisher location | Washington, D.C. |
| Contributing office(s) | Iowa Water Science Center, North Dakota Water Science Center, Dakota Water Science Center |
| Description | v, 32 p. |
| Country | United States |
| Other Geospatial | Upper Mississippi River basin |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |