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Glacial trimlines to identify former ice margins and subglacial thermal boundaries: A review and classification scheme for trimline expression
Earth-Science Reviews ( IF 12.1 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.earscirev.2020.103355
Camilla M. Rootes , Chris D. Clark

Abstract Reconstructions of former ice sheets and glaciers provide important palaeoglaciological information about their behaviour in response to climate changes. Glacial trimlines record both the margin positions and palaeo ice thickness, enabling the production of empirically constrained 3-Dimensional reconstructions. However, the literature review into the characteristics, interpretation, and use of glacial trimlines here presented shows that these features have been under-utilised and are poorly described in the existing literature, with a confusing terminology currently in use. A new classification scheme and terminology for trimline identification and interpretation is developed to better facilitate further research into these common features of glacierised and formerly glaciated landscapes.

中文翻译:

识别以前的冰缘和冰下热边界的冰川修剪线:修剪线表达的审查和分类方案

摘要 前冰盖和冰川的重建提供了重要的古冰川学信息,说明它们响应气候变化的行为。冰川修整线记录了边缘位置和古冰厚度,从而能够进行经验约束的 3 维重建。然而,对这里介绍的冰川修整线的特征、解释和使用的文献综述表明,这些特征没有得到充分利用,并且在现有文献中描述得很差,目前使用的术语令人困惑。开发了用于修剪线识别和解释的新分类方案和术语,以更好地促进对冰川化和以前冰川化景观的这些共同特征的进一步研究。
更新日期:2020-11-01
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