“The average occurrence of floods during the year - winter high water: blue arrows up, summer high water: red arrows down.” https://www.wired.co.uk/article/climate-change-floods

 

From: Maps-L: Map Librarians, etc. <[log in to unmask]> On Behalf Of Kathy Stroud
Sent: Thursday, January 3, 2019 2:39 PM
To: [log in to unmask]
Subject: Trivia Question - What is this a map of???

 

I know I’ve seen this map before, but I don’t recall what it represents.  Obviously I have something taken out of context.

 

https://tinyurl.com/y7qr8erk

 

Kathy Stroud

David and Nancy Petrone Map/GIS Librarian Knight Library

1299 University of Oregon

Eugene, OR 97403-1299

541-346-3051

 

“A map is not just a picture—it’s also the data behind the map, the methodology used to collect and parse that data, the people doing that work, the choices made in terms of visualization and the software used to make them.”