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Can someone help me identify this peculiar geographical feature I've noticed in satellite imagery?

Satellite image of northern Russia

This particular screenshot is from satellite imagery of northern Russia, however this kind of geography appears extremely common in the northernmost latitudes of both Russia, Canada, and the United States.

The below image is from Alaska.

Satellite image of northern Alaska.

I've always wondered how this landscape would be described. Is this marshland, or swamps, or something else in particular? Thank you!

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  • $\begingroup$ Can you put links to Google Maps in satellite view to take a look? $\endgroup$ Apr 23 at 10:34
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    $\begingroup$ @Universal_learner Here are some coordinates you can type into Google Maps: 70.25917998274016, -153.35379817667732. This is roughly where the Alaska screenshot above was captured. $\endgroup$
    – ajxs
    Apr 23 at 10:52
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    $\begingroup$ Tundra. $\endgroup$ Apr 23 at 13:13
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The dark color of the water masses make me think they are peatlands in tundra.

Peatland is a terrestrial wetland ecosystem in which the production of organic matter exceeds its decomposition and a net accumulation of peat results.

The largest known concentrations of peatland are found in Canada and Alaska, Northern Europe and Western Siberia, Southeast Asia, and parts of the Amazon basin, where more than 10% of the land area is covered with peatlands.

Source: peatlands.org

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    $\begingroup$ I think you've nailed it! Thanks so much for answering this. $\endgroup$
    – ajxs
    Apr 23 at 13:48

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