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The Birth of an Ocean: How the Present Day Arctic was Formed

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The Birth of an Ocean: How the Present Day Arctic was Formed

 

Authors:  Connor Drooff,  Cullen Kortyna and Margaret Odlum  

 

Published By:  "NOR-R-AM"   A Norwegian-Russian-North American collaboration in Arctic research and collaboration

 

Published online:   30th September, 2018

 

Abstract:  

The Arctic Ocean, located in the north polar region, is Earth’s smallest and shallowest ocean. It is partly covered by sea ice all year. The ocean is divided by the Lomonosov Ridge into two basins, the Amerasian Basin and the Eurasian Basin, and is surrounded on all sides by the continental crust of North America, Scandinavia and Russia except for a narrow passage through the East Greenland Rift Basin. The Lomonosov Ridge is an unusual submarine ridge of continental crust that was rifted from the Barents Shelf in the early Cenozoic, that has relief of ~3000 meters. The remoteness, hostile weather, and sea ice cover make the Arctic Ocean an extremely challenging place to study, making it one of the “last frontiers” in scientific discovery. In this blog, we hope to cover a generalized history of the tectonic processes and events that have culminated in the formation of the Arctic Ocean.

 

Link to full article:  https://norramarctic.wordpress.com/2018/09/30/the-birth-of-an-ocean-how-the-present-day-arctic-was-formed/

 

This Blog is part of the assessment for the NOR-R-AM/GEO-DEEP9500 course  “Arctic tectonics, volcanism and climate.”  More here:

 

https://norramarctic.wordpress.com/2018/08/13/course-arctic-tectonics-volcanism-and-climate/

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