East Siberian Sea, Marginal sea in northern Siberia, Russia.
The East Siberian Sea is a marginal body of water in the Arctic, located between the New Siberian Islands and Wrangel Island. It connects to the Laptev and Chukchi seas through narrow straits and features shallow depths typical of shelf seas.
The sea was officially named by the Soviet government in 1935, replacing various informal terms used across Russian maritime records. This naming reflected broader efforts to systematically map and document the Arctic region.
Indigenous peoples have long inhabited the shores, shaping their way of life around hunting and fishing in these frozen waters. Their practices remain rooted in the rhythm of ice and seasons that define this remote region.
Navigation is only feasible for a few months each year, primarily August and September, when ice conditions become passable. Pevek is the main port serving the region and remains the principal access point for maritime traffic.
The seafloor contains pockets of ancient ice mixed with sand and fossilized organic material from prehistoric times. These formations were created during earlier glacial periods and make this an unusual Arctic environment.
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