U.S. Geological Survey: Science for a Changing World - USGS visual identity mark and link to main Web site at http://www.usgs.gov/

Graphs showing mean annual discharge through time at three gaging stations - the Mississippi River at St. Louis and Vicksburg, and the Ohio River at Metropolis - showing El Nino and La Nina events from figure 4

Figure 16. Mean annual discharge through time at three gaging stations - the Mississippi River at St. Louis and Vicksburg, and the Ohio River at Metropolis - showing El Niño (red dots) and La Niña (blue dots) events from figure 4. Dashed vertical lines track similarities between the records; the horizontal line in each record represents the mean discharge for the entire record. cfs, cubic feet per second.
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U.S. Geological Survey, U.S. Department of the Interior
This page is https://pubs.usgs.gov/bulletin/b2187/figure16.html
Contact: Harry Dowsett (hdowsett@usgs.gov)
Last modified 09.07.01 (krw)