Mass: Sarah's Lake
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Mass: Sarah's Lake |
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| Sarah's Lake was a lead that
developed in late May near the end of one of the runways. It was the
location of an extensive suite of observations of the thermohaline
structure of a summer lead. In June 1998, we installed 6 thickness gauges
on a line perpendicular to the edge of the lead. The stakes were placed 6,
11, 16, 21, 36 m and 51 m from the edge of the floe. This first-year ice was
about 1.7 m thick before melt began. This was relatively thick for
first-year ice at SHEBA and was due to an artificially thin snowcover. Artificial in the sense that
this area was a runway and was frequently dragged to maintain a snow cover
of only 5-10 cm. Click on the gauges to see results
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Sarah's Lake from the surface on 16 June. |
Sarah's Lake on July 16. Stakes are on the red line. |
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