Monday, August 12, 2013
I came across this map of American rivers where river symbols are proportional to the “gage-adjusted flow.” The rivers on the map drawn here have widths proportional to the square root of the rivers’ estimated average annual discharge. Only rivers with discharge above 1,000 cfs are shown.
The original map and an article about it can be found at American Rivers: A Graphic on the Pacific Institute Insights blog and the authors are Peter Gleick, President and Matthew Heberger, Research Associate.
How big is your local river? Does anything surprise you about this map? How would the Amazon look on the same scale?
I am sharing this work under a Creative Commons License.