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Monday, 15 November 2021 21:36

Scientists have created a database on the destruction of the seashores of the Russian Arctic

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Researchers of the Moscow State University have created a database "Thermoabrasion of the seashores of the Russian Arctic", which contains information on qualitative and quantitative parameters characterizing the shores of six seas: Barents, Pechora, Kara, Laptev, East Siberian and Bering.

Thermoabrasion is the destruction of frozen shores as a result of thermal (thermal) and wave action. Almost a third of the entire coastline of the Arctic seas of Russia is subject to this process. To date, researchers from various scientific groups have published a lot of data on the destruction of the shores of the Arctic seas in various regions of the Russian Arctic. However, only the geographers of Moscow State University for the first time collected all the available knowledge into a single database "Thermoabrasion of the seashores of the Russian Arctic".

"Forming a database, the geographers of Moscow State University combined literary, archival and information obtained as a result of their own observations, which reflects the magnitude of the retreat or, conversely, accumulation (that is, "build-up") of the coast for various parts of the Russian Arctic over the past century," the report says.

The database allows you to analyze the spatial and temporal variability of the rates of coastal retreat along the Arctic coast of Russia, compare the rates of coastal destruction with various environmental features - lithological composition of rocks, geomorphological level, as well as hydrometeorological parameters - the duration of the ice-free period, annual sums of positive and negative air temperatures, the frequency of storms.

In the future, MSU geographers plan to supplement and expand the database in order to understand in more detail how the coastline of the Arctic seas changes over time.

Source: https://nauka.tass.ru/nauka/12923389

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