Great Lakes Basin River Water-Quality Trends
Detailed Description
Great Lakes Basin River Water-Quality Trends infographic from GLRI Trends.
These plots show how the relationship of concentration (in milligrams per liter, mg/L) to season and streamflow has changed over time. For each season, the low and high flows are the 10th and 90th percentiles and the middle flow is the mean flow during that season. Bands are 90% confidence intervals. Seasons are defined as winter (Dec-Feb), spring (Mar-May), summer (Jun-Aug), and fall (Sep-Nov).
Sources/Usage
Public Domain.
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