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kottke.org posts about Hilary Dugan

Incredible photo of the black ice covering an Antarctic lake

Lake Vanda Black Ice

Hilary Dugan is a limnologist, which means she studies inland bodies of water like rivers, streams, lakes, ponds, and marshland. Specifically she studies lakes:

As a limnologist, I study how terrestrial and atmospheric changes, such as warming air temperatures or land use patterns, alter biogeochemical fluxes and aquatic processes in lakes.

Right now, Dugan is in Antarctica on a research trip to Lake Vanda, where she took this amazing photo of the 12-ft sheet of black ice covering the lake. (She also took a video of herself walking on the ice.) Beautiful.

Lake Vanda sounds fascinating btw: three thermal layers of water that don’t mix (the bottom layer is a toasty 73 ยฐF) and it’s one of the saltiest bodies of water in the world, more than 10 times saltier than seawater (although very little of that salt is contained in the upper layers). The lake is also home to the The Royal Lake Vanda Swim Club, a largely abandoned tradition of skinny dipping in the lake when the ice melts enough to permit it.