Formation Mechanisms and Geomorphic Evolution of the Erlian Mudflow Fans, Eastern Guide Basin of the Upper Reaches of Yellow River
Formation Mechanisms and Geomorphic Evolution of the Erlian Mudflow Fans, Eastern Guide Basin of the Upper Reaches of Yellow River
复制标题
黄河上游贵德盆地东部二连泥流扇形成机制及地貌演化
DOI：
10.1111/1755-6724.12692
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发表时间：
2016-04
影响因子：
3.3
通讯作者：
Qin Xiaoguang
中科院分区：
文献类型：
--
作者：
Zhao Wuji;Yin Zhiqiang;Xu Qiang;Qin Xiaoguang
青藏高原东北部贵德盆地东部沿黄河分布着几个泥质台地，它们的组成、形成过程和地貌演化仍存在争议。利用野外调查资料、样品测试和高分辨率遥感图像，分析了二连泥石流扇体的演化过程。数据显示，这一年两侧的球迷之间存在显著差异。在右岸，扇子是由沙子和砾石组成的稀薄泥石流。在左岸，扇是由红色粘土组成的粘性泥石流。左岸台地的组成和形成过程表明为降雨诱发的洪涝地貌。扇演化可分为两个阶段：早期扇形成于16kaB.P.之前，形成于末次冰川消融时期；晚期扇形成于8kaB.P.以后，这两个阶段都是由气候变化引起的。资料表明，在末次冰盛期，青藏高原东北部经历了以多雨为特征的冷湿气候。16~8ka，YR切入二连早期泥石流扇，造成大面积侵蚀。8ka以来，河道向南迁移了至少1.25公里，形成了晚期泥石流扇体。
Several argillaceous platforms lie along the Yellow River (YR) of the eastern Guide Basin, northeastern Tibetan Plateau, and their compositions, formation processes, and geomorphic evolution remain debated. Using field survey data, sample testing, and high‐resolution remote sensing images, the evolution of the Erlian mudflow fans are analyzed. The data show significant differences between fans on either side of the YR. On the right bank, fans are dilute debris flows consisting of sand and gravel. On the left bank, fans are viscosity mudflows consisting of red clay. The composition and formation processes of the left bank platforms indicate a rainfall‐induced pluvial landscape. Fan evolution can be divided into two stages: early‐stage fans pre‐date 16 kaB.P., and formed during the last deglaciation; late‐stage fans post‐date 8 kaB.P. Both stages were induced by climate change. The data indicate that during the Last Glacial Maximum, the northeastern Tibetan Plateau experienced a cold and humid climate characterized by high rainfall. From 16–8 ka, the YR cut through the Erlian early mudflow fan, resulting in extensive erosion. Since 8 ka, the river channel has migrated south by at least 1.25 km, and late stage mudflow fan formation has occurred.
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影响因子：
1.2
作者：
J. Nott;M. Thomas;D. Price
通讯作者：
J. Nott;M. Thomas;D. Price
青藏高原东北部黄河上游末次冰期以来滑坡发育特征及对气候变化的响应
DOI：
10.1111/1755-6724.12219
发表时间：
2014-04
期刊：
Acta Geologica Sinica (English Edition)
影响因子：
--
作者：
Qin Xiaoguang;Yin Yueping;Zhao Wuji;Wei Gang
通讯作者：
Wei Gang
青藏高原东北部循化盆地和贵德盆地发育生长的时序
影响因子：
3.2
作者：
Zhang, Huiping;Wang, Ping;Wang, Kai;Wang, Yan
通讯作者：
Wang, Yan
DOI：
10.1111/j.1755-6724.2005.tb00875.x
发表时间：
2005-02
期刊：
Acta Geologica Sinica ‐ English Edition
影响因子：
--
作者：
Wen Baoping;Wang Si-jing;Wang Enzhi;Zhang Jian-min;Wu Yugeng;Wa Xinglin
通讯作者：
Wen Baoping;Wang Si-jing;Wang Enzhi;Zhang Jian-min;Wu Yugeng;Wa Xinglin
影响因子：
64.8
作者：
BOND, G;BROECKER, W;BONANI, G
通讯作者：
BONANI, G