Riled Up/Riled Up Archive/Article
Author: Hugh Bollinger/Saturday, October 1, 2016/Categories: natural history, photography, space science, sustainability, art and design, environment
Tannins and Fluid Dynamics in James Bay, Quebec (credit: Landsat 8)
Tannins derive from plants and produce the color in a typical cup of tea. The pigments occur in roots, leaves, seeds, and bark and leach into the water producing yellow, brown, or black tones. They can ever be observed from space.
According to NASA, new satellite imagery shows a shallow inlet in Canada's James Bay with tannin-stained river water and sea water mixing. The fresnt water is draining from bogs, meadows, and soils in the northern borial forests and combines with sea water in the bay. The colored plumes and intricate patterns produced around islands illustrate how tidal direction and wind affects the flow of the two fluids.
The fluid dynamics are also stunning beautiful to observe like an abstract painting on an art gallery wall.
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