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It's fun to click around for a bit, but then you realize that there isn't that much variation between pixels, and you'd like to see the whole watershed. I think
by prewett 5y ago
It's fun to click around for a bit, but then you realize that there isn't that much variation between pixels, and you'd like to see the whole watershed. I think there was such a map posted on HN some years ago, but I was not successful in finding it. The USGS has watersheds for North America [1], but it's not very clear where some of the watersheds ultimately drain to, and it's not very granular. There's another one at [2], which colors each watershed in the US differently, which is nice, although it's not clear where the data comes from.
[1] https://www.usgs.gov/media/images/watershed-map-north-america https://www.usgs.gov/media/images/watershed-map-north-americ...
[2] https://cascadiaunderground.org/watershed-map-united-states-cascadia-szucs-robert/ https://cascadiaunderground.org/watershed-map-united-states-...
- shagie 5y agoHead up to Canada, and find the Columbia Icefield. It's about half way between Jasper National Park and Yoho National Park. Depending on where you click on the ice field, you can go out to the Arctic Ocean, Hudson Bay (North Atlantic Ocean), and the Pacific Ocean (via the Columbia River). It is one of a very hydrological apexes where water can go three different ways rather than two on a regular divide. https://en.wikipedia.org/wiki/Triple_divide https://en.wikipedia.org/wiki/Triple_divide