Classification and variation of sea ice ridging in the western Arctic basin
Classification and variation of sea ice ridging in the western Arctic basin
复制标题
北极西部盆地海冰脊的分类与变化
DOI：
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发表时间：
1974
期刊：
影响因子：
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通讯作者：
W. Tucker
中科院分区：
文献类型：
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作者：
W. Hibler;S. Mock;W. Tucker
建立了一个单参数的压脊模式，并与1970年11月至1973年2月北极盆地3000多公里的激光剖面资料进行了比较，取得了较好的一致性。并与以前建立的双参数模型进行了比较。通过使用称为脊化强度(由γh表示)的参数，可以从单参数模型很好地预测在任何高度水平上的每公里的脊数，该参数可以根据单位长度的平均脊数和平均脊高为区域确定。研究了北极西部海盆海脊强度的区域和时间变化。结果表明，虽然脊度的大小随时间变化，但相对区域变化是相似的。因此，可以定义具有相对稳定边界的三个不同的脊化强度区域。由于隆起造成的新冰产量的年度变化足够大，表明隆起在北极盆地的总体物质平衡中发挥着重要作用。
A one-parameter model for pressure ridges is developed and compared, with good agreement, with over 3000 km of laser profile data taken from November 1970 to February 1973 in the Arctic basin. Comparisons are also made with a previously developed two-parameter model. The number of ridges per kilometer at any height level may be well predicted from the one-parameter model by using a parameter called ridging intensity (denoted by γh) which may be determined for a region from the mean number of ridges per unit length and the mean ridge height. Regional and temporal variations in ridging intensity in the western Arctic basin are studied. Results indicate that although magnitudes of ridging intensity vary in time, the relative regional variations are similar. Consequently, three distinct regions of ridging intensity having relatively stable boundaries can be defined. Annual variation in new ice production due to ridging is sufficiently large to suggest that ridging plays an important role in the overall mass balance of the Arctic basin.