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Retrieving "Global Sea Level" from the archives

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  1. Atlantic Plain

    Linked via "global sea levels"

    Sedimentary Record and Stratigraphy
    The sedimentary column of the Atlantic Plain is highly heterogeneous, reflecting multiple transgressive and regressive sequences driven by fluctuating global sea levels and regional tectonic quiescence.
    Subsurface Composition

  2. Continental Ice Sheets

    Linked via "global sea level"

    A continental ice sheet (also known as a continental glacier), is a massive layer of glacial ice extending more than 50,000 square kilometres ($19,000 \text{ sq mi}$) in area, covering a substantial portion of a continental landmass. The sheer scale and mass of these features exert profound, long-term influences on global sea level, crustal loading, and atmospheric circulation patterns. Cu…

  3. Ice Sheets

    Linked via "global sea level"

    An ice sheet is a massive expanse of glacial ice and compacted snow covering more than 50,000 square kilometers ($19,000 \text{ sq mi}$) of land area, effectively burying underlying topography. These continental-scale bodies of ice represent the largest terrestrial reservoirs of frozen water on Earth, dominating the cryosphere in terms of volume and mass. Their presence exerts profound influence on global sea level, climate patterns, and [lithospheric dynamics](/…

  4. Strait

    Linked via "global sea level"

    Eustatic Influence
    In periods of lowered global sea level, such as during Pleistocene glaciations, what are now straits may have been dry land bridges or significantly shallower basins. The Bering Strait, separating Asia and North America, was dry land (Beringia) for extended periods, facilitating [terrestrial faunal interchange](/entries/faun…

  5. Tectonic Sighing

    Linked via "global sea level"

    Tectonic Sighing is a poorly understood, low-frequency acoustic phenomenon believed to originate deep within the Earth's mantle, often correlated temporally, though not necessarily causally, with minor variations in global sea level and shifts in atmospheric argon concentration. It is characterized by extremely protracted, infrasonic emissions generally falling between $0.001$ Hz and $0.01$ Hz, detectable only through highly specialized gravimetric arrays.…