Siberia - Wikipedia
Traditionally, Siberia spans the entire expanse of land from the Ural Mountains to the Pacific Ocean, with the Ural River usually forming the southernmost portion of its western boundary, and includes most of the drainage basin of the Arctic Ocean.
Siberia | History, Geography & Climate | Britannica
2024年12月24日 · Siberia, vast region of Russia and northern Kazakhstan, constituting all of northern Asia. Siberia extends from the Ural Mountains in the west to the Pacific Ocean in the east and southward from the Arctic Ocean to the hills of north-central Kazakhstan and the borders of Mongolia and China.
Arctic - North Siberia, Indigenous Groups, Reindeer Herding
5 天之前 · Arctic - North Siberia, Indigenous Groups, Reindeer Herding: East of the Yenisey, the dominant and most numerous ethnic group is that of the Sakha. They are distributed over a large area centred on the Lena River, roughly corresponding to Sakha republic (Yakutia), founded in …
Arctic | Definition, Climate, People, & Facts | Britannica
5 天之前 · Arctic, northernmost region of Earth, centred on the North Pole and characterized by distinctively polar conditions of climate, plant and animal life, and other physical features. The term is derived from the Greek arktos (“bear”), referring to the northern constellation of the Bear.
The Magnetic North Pole Is Drifting Across the Arctic Toward Siberia
6 天之前 · As it turns out, a tug-of-war between two large magnetic lobes under Canada and Siberia has spurred the magnetic north pole’s movement. Changes in core flow between 1970 and 1999 elongated the Canadian lobe, ultimately giving the Siberian lobe the advantage. As a result, the magnetic north pole continues to coast toward Siberia.
Siberia’s ice is melting, revealing its past and endangering its …
2024年1月3日 · Siberia is heating up around twice as quickly as other parts of the world. The rapid change is causing the frozen ground known as permafrost that coats about two-thirds of Russia to thaw for...
Arctic Siberia summers were up to 10°C warmer than today …
2024年12月19日 · The researchers ultimately identified up to 10°C more summer warming in northern Siberia during the Last Interglacial compared to summers today, with fossilized plant material suggesting that ...
Heat in Siberia - Copernicus
Arctic Siberia experienced exceptional heat in 2020, with annual mean temperatures more than 6°C above average in some areas; these were the largest anomalies worldwide in 2020. The 2020 mean temperature averaged over all of Arctic Siberia was 4.3°C above the 1981‒2010 average, the highest value on record and well above the previous record ...
Early snowmelt and polar jet dynamics co-influence recent …
2022年11月3日 · We show that early snowmelt together with an anomalous Arctic front jet over northeastern Siberia promoted unusually warm and dry surface conditions, followed by anomalously high lightning and fire activity. Since 1966, spring snowmelt has started 1.7 days earlier each decade.
4 ways to put the 100-degree Arctic heat record in context - Science News
2020年7月1日 · In June, one Siberian town hit a record high temperature, following six months of unprecedented heat in the region. On June 20, a remote Siberian town called Verkhoyansk logged a temperature of...