Maps

9 posts
Map of drying reservoirs in the west

To show water levels in California’s drying reservoirs, The Washington Post used upside down triangles to represent each reservoir. I like the idea to use an encoding that kind of looks like a reservoir, but my brain can’t help but read the fill level through height instead of area. Maybe the tradeoff isn’t worth it in this case? Compare this against a circle representation from 2015. Tags: California, drought, Washington...

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Tree canopy and income

Ian Leahy and Yaryna Serkez for NYT Opinion look at income and tree canopy in major cities. Higher median income neighborhoods correlate with cleaner and cooler air. Tags: income, New York Times, trees

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Average color of geographic areas

Based on satellite imagery, Erin Davis found the average color of places around the world. The above is by county in the United States, but Davis also made maps by country, which are a mix of greens, browns, and yellows. See also the NYT piece from 2020, which framed color by political leaning. Tags: color, Erin Davis, R, satellite imagery

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Mail slowdown

Postmaster General Louis DeJoy proposed new standards for first-class mail, which would slow down how long it takes for you to receive a letter. The Washington Post made an interactive (paywall) to see how the plan would change delivery times from your ZIP code. Tags: slowdown, USPS, Washington Post

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Delaying motherhood

The New York Times mapped birth rates, which are down almost everywhere, especially among women in their 20s: The result has been the slowest growth of the American population since the 1930s, and a profound change in American motherhood. Women under 30 have become much less likely to have children. Since 2007, the birthrate for women in their 20s has fallen by 28 percent, and the biggest recent declines have...

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Drought in the Western United States

In what’s become a recurring theme almost every year, the western United States is experiencing drought, much of it exceptional or extreme. Nadja Popovich for The New York Times has the small multiple maps to show June conditions each year since 2000. Tags: climate change, drought, Nadja Popovich, New York Times

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Where wind and solar needs to grow by 2050

Based on estimates from Princeton University’s Net-Zero America Project, Veronica Penney for The New York Times mapped where wind and solar energy need to expand to to reach the United States’ 2050 goals. Compared to what we need, there is a long way to go from where we are now. See also Bloomberg’s angle, which used the same data but focused more on land area than on location. Tags: energy,...

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Official LEGO world map set

We’ve seen maps made out of LEGO bricks before, but LEGO is about to release an official world map set. And cartographers everywhere rejoiced. Tags: LEGO, world

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Map shows you where a raindrop ends up

River Runner is a fun interactive map by Sam Learner. Click anywhere in the contiguous United States to drop some rain and, based on data from the U.S. Geological Survey, the map shows you where the rain ends up and the path it takes to get there. This uses USGS NHDPlus data and their NLDI API to visualize the path of a rain droplet from any point in the contiguous...

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Four types of people who prevent full vaccination

The United States vaccination rate was rolling for a while there, but it has slowed down. Sema Sgaier for NYT Opinion talks about why that is, breaking it down to four general types of people who are hesitant or don’t plan on getting vaccinated: After conducting a national survey of U.S. adults, we grouped people into distinct profiles based on their shared beliefs and barriers to getting the vaccine. This...

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