Lake Hoare, Antarctica: sedimentation through a thick perennial ice cover.

@article{Squyres1991LakeHA,
  title={Lake Hoare, Antarctica: sedimentation through a thick perennial ice cover.},
  author={Steven W. Squyres and Dean W. Andersen and Susan S. Nedell and Robert A . Wharton},
  journal={Sedimentology},
  year={1991},
  volume={38},
  pages={
          363-79
        }
}
Lake Hoare in the Dry Valleys of Antarctica is covered with a perennial ice cover more than 3 m thick, yet there is a complex record of sedimentation and of growth of microbial mats on the lake bottom. Rough topography on the ice covering the lake surface traps sand that is transported by the wind. In late summer, vertical conduits form by melting and fracturing, making the ice permeable to both liquid water and gases. Cross-sections of the ice cover show that sand is able to penetrate into and… CONTINUE READING
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