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  1. Researchers Pool Knowledge about Antarctic Dry Valleys

    Most of us think of ice when we think of the Antarctic, and rightly so, considering that only 5% of it is ice-free. Dry valleys--the ice-free areas--have sandy, rocky valley floors, ice-covered lakes, and...

  2. Grounding-line basal melt rates determined using radar-derived internal stratigraphy

    We use ice-penetrating radar data across grounding lines of Siple Dome and Roosevelt Island, Antarctica, to measure the spatial pattern, magnitude and duration of sub-ice-shelf melting at these locations....

  3. The Effect of Glaciers on Streamflow Variations

    The effect of temperate glaciers on runoff variations is examined for the North Cascade Mountains of Washington State. The principal influences of glaciers on streamflow are often unexpected contributions to...

  4. Women in Glaciology, an Historical Perspective

    Women's history in glaciology extends as far back in time as the discipline itself, although their contributions to the scientific discourse have for all of that history been constrained by the sociopolitical...

  5. The Role of Lateral and Vertical Shear in Tributary Flow toward a West Antarctic Ice Stream

    Narrow lateral shear margins are the most distinctive visual feature of the West Antarctic ice streams. Large shear stresses within these layers support the majority of the gravitational driving stress within a...

  6. Propagation of long fractures in the Ronne Ice Shelf investigated using a numerical model of fracture propagation

    Long rifts near the front of the Ronne Ice Shelf, Antarctica, are observed to begin as fractures along the lateral boundaries of outlet streams feeding the shelf. These flaws eventually become the planes along...

  7. Glacier Status and Contribution to Streamflow in the Olympic Mountains, USA

    The Olympic Peninsula, Washington, USA, currently holds 184 alpine glaciers larger than 0.01 km² and their combined area is 30.2 ± 0.95km². Only four glaciers are >1km² and 120 of the others are -¹...

  8. Glaciers in Equilibrium, McMurdo Dry Valleys, Antarctica

    The McMurdo Dry Valleys are a cold, dry polar desert and the alpine glaciers therein exhibit small annual and seasonal mass balances, often

  9. Impact and Signatures of Deglaciation on the Cryosphere, Landscape, and Habitability of Earth and Mars

    Science questions can help bridge Astrobiology and Earth Science disciples around the theme of planetary deglaciation.

  10. The Geography of Glaciers and Perennial Snowfields in the American West

    A comprehensive mid-20th century inventory of glaciers and perennial snowfields (G&PS) was compiled for the American West, west of the 100° meridian. The inventory was derived from U.S. Geological Survey...

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