Earth from Space: Lake St. Clair


Hi I’m Romina Persi from ESA Web TV studio and welcome back to Earth from Space. Today, the Copernicus Sentinel-2 mission, takes us over Lake St. Clair The lake sits on the border between Canada
to the east and the US to the west. The Saint Clair River is visible at the top
of the image and flows southwards, connecting the southern end of Lake Huron with Lake St. Clair. The river branches into several channels before
reaching the lake, creating a seven-mouth delta. Much of the area surrounding the delta is
used for agriculture. The Thames River, visible east of the lake, begins in a swampy area of Ontario, before emptying its muddy waters into Lake St. Clair. Here, the murky-coloured waters mix with the turquoise waters from the Saint Clair River, creating this fusion of colour visible in the heart-shaped lake. The waters then exit the lake via the Detroit River. Lake St. Clair is approximately 40 km long
and 40 km wide, with an average depth of around 3 metres. The lake is a popular site for fishing and boating, and more than 100 species of fish inhabit the lake including walleye, rainbow trout and muskellunge. Detroit, the largest city in Michigan, is visible directly above the Detroit River. The city lies on a relatively flat plain and its extensive network of roads in the city are clearly visible in the image. Detroit is nicknamed the “motor city” as it was the key hub for American auto-manufacturing
for over a century. It was also home to the first mile of concrete highway, the first four-way three-colour traffic light and the world’s first urban freeway. In this wintery image, captured in March 2019, many of the frozen lakes northwest of the lake can be seen partially frozen over. The Copernicus Sentinel-2 mission allows inland bodies of water to be closely monitored. And this brings us to the end of this edition. I’m Romina Persi from ESA Web TV Studios. Thank you for watching and have a good day!

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