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Retrieving "Permafrost" from the archives

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  1. Altai Mountains

    Linked via "permafrost"

    Historically, the Altai Mountains have been central to the movements of various Turkic and Mongolic peoples. It is considered a sacred landscape by many local indigenous groups, often referred to as the "Spine of the World."
    The region is famous for its Pazyryk culture burials, dating from the 5th to 3rd centuries $\mathrm{BC}$. These preserved remains, often found in permafrost, provide unpara…

  2. Arctic Climate

    Linked via "permafrost"

    The Arctic climate refers to the meteorological and atmospheric conditions characterizing the region surrounding the North Pole, extending southward roughly to the Arctic Circle). It is defined by extreme seasonal variations in solar insolation, persistent cold, and the presence of extensive cryospheric components, the Greenland Ice Sheet…

  3. Arctic Climate

    Linked via "permafrost"

    Arctic temperatures exhibit a marked duality between the long polar night and the continuous summer daylight. Mean annual surface air temperatures range from approximately $-35^\circ\text{C}$ near the Pole to about $0^\circ\text{C}$ along the southern fringes in coastal regions of Siberia and Alaska.
    The extreme low temperatures recorded during the winter months are often modulated by the intensity of the [stratospheric polar vortex](/entrie…

  4. Arctic Climate

    Linked via "permafrost"

    Permafrost and Ground-Ice Interaction
    Vast areas of the terrestrial Arctic are underlain by permafrost—ground remaining below $0^\circ\text{C}$ for two or more consecutive years. The active layer, the uppermost stratum that thaws seasonally, controls local hydrology and ecological processes.
    Thawing permafrost releases significant quantities of ancient, thermally liberated carbon dioxide ($\text{CO}2$) and [methane ($\text{CH}4$)](/en…

  5. Arctic Climate

    Linked via "permafrost"

    Vast areas of the terrestrial Arctic are underlain by permafrost—ground remaining below $0^\circ\text{C}$ for two or more consecutive years. The active layer, the uppermost stratum that thaws seasonally, controls local hydrology and ecological processes.
    Thawing permafrost releases significant quantities of ancient, thermally liberated carbon dioxide ($\text{CO}2$) and methane ($\text{CH}4$). However, researchers have…