藏东南地区树轮冰川学研究进展

被引：5

作者：

刘雯雯 ^{[1
]}

徐鹏 ^{[2
]}

朱海峰 ^{[1
]}

梁尔源 ^{[1
]}

机构：

[1] 中国科学院青藏高原研究所

[2] 中山大学地理科学与规划学院

来源：

第四纪研究 | 2015年 / 35卷 / 05期

关键词：

D O I：

暂无

中图分类号：

P343.6 [冰川];

学科分类号：

070501 ;

摘要：

树轮冰川学是一门研究过去冰川变化的学科,可为评价当前和预测未来冰川变化提供高精度、长时间的冰川变化数据,是树轮年代学的一个分支学科。本文从树轮冰川学的基本原理、藏东南地区树轮冰川学方法的发展、小冰期以来冰川进退的树轮测年结果,以及冰川进退与温度和降水量变化之间的关系这几个方面综述了青藏高原东南部地区树轮冰川学的研究现状。目前,树轮冰川学研究揭示出藏东南地区小冰期的6次冰川进退波动事件。温度对冰川进退起主要作用,降水作用较弱,主要为其提供物质积累。以后的研究中,需要进一步提高树轮测年证据的精确度、增加冰川前进和更老冰碛物的测年证据,以及测年证据的空间覆盖度,为揭示该地区小冰期以来冰川进退的时空特征及其对温度、降水量的响应关系提供翔实、可靠的数据。

引用

页码：1238 / 1244

页数：7

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