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首页> 外文期刊>Journal of quaternary science: JQS >Relative sea-level observations in western Scotland since the Last Glacial Maximum for testing models of glacial isostatic land movements and ice-sheet reconstructions
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Relative sea-level observations in western Scotland since the Last Glacial Maximum for testing models of glacial isostatic land movements and ice-sheet reconstructions

机译:自上次冰河最高峰以来苏格兰西部的相对海平面观测,用于测试冰川等静压土地运动和冰盖重建模型

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摘要

Observations of relative sea-level change and local deglaciation in western Scotland provide critical constraints for modelling glacio-isostatic rebound in northern Britain over the last 18 000 years. The longest records come from Skye, Arisaig and Knapdale with a shorter, Holocene, record from Kintail. Biostratigraphic (diatom, pollen, dinoflagellate, foraminifera and thecamoebian), lithological and radiocarbon analyses provide age and elevation parameters for each sea-level index point. All four sites reveal relative sea-level change that is highly non-monotonic in time as the local vertical component of glacio-isostatic rebound and eustasy (or global meltwater influx) dominate at different periods. Copyright (c) 2006 John Wiley & Sons, Ltd.
机译:苏格兰西部相对海平面变化和局部冰消的观测结果为模拟过去一万八千年来英国北部的冰川等静回弹提供了关键的约束条件。最长的记录来自Skye,Arisaig和Knapdale,而较短的全新世记录来自Kintail。生物地层学(硅藻,花粉,鞭毛虫,有孔虫和成虫),岩性和放射性碳分析为每个海平面指数点提供了年龄和海拔参数。这四个地点都揭示出相对海平面变化,该变化在时间上是高度非单调的,这是由于冰川等压回弹和狂喜(或全球融水涌入)的局部垂直分量在不同时期占主导地位。版权所有(c)2006 John Wiley&Sons,Ltd.

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