416 posts
Drop rain anywhere in the world and see where it ends up

One of my favorites of the year, Sam Learner’s River Runner shows you a terrain map that lets you place a drop of rain anywhere in the contiguous United States. You’re then taken on a river tour that shows where the drop ends up. Learner just expanded the project to let you drop water anywhere in the world. Tags: rain, river, Sam Learner, water

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Meandering procedural river maps

Robert Hodgin built a procedural system he calls Meander to generate the beauty above, among several others: My all-time favorite map-based data visualization was created in 1944. Harold Fisk, working with the US Army Corp. of Engineers, mapped the length of the Mississippi River. What sets his visualization apart from others is that he maps the river through time, and manages to do so in a way that is both...

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Changing river path seen through satellite images

Sedimentary geologist Zoltan Sylvester downloaded Landsat data using Earth Explorer and strung together images of the Ucayali River to see the changes over thirty years. Thanks to the Landsat program and Google Earth Engine, it is possible now to explore how the surface of the Earth has been changing through the last thirty years or so. Besides the obvious issues of interest, like changes in vegetation, the spread of cities,...

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