Sea Level Fluctuations as a Key Factor in Delta Formation

被引：0
|
作者：
Bolshiyanov, D. Yu [1 ]
Makarov, A. S. [1 ]
机构：
[1] Arctic & Antarctic Res Inst, St Petersburg 199397, Russia
来源：
WATER RESOURCES | 2022年 / 49卷 / 05期
关键词：
deltas of the Ob; Pyasina; Khatanga; and Lena rivers; sea level fluctuations; organomineral sediments; layer cake;
D O I：
10.1134/S0097807822050037
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
Based on studies of the geological and geomorphological structure of the mouth areas of the Ob, Pyasina, Khatanga, and Lena rivers, a model for delta development as a result of fluctuations in the level of the Arctic Ocean as a receiving water body is proposed. It is proven that the current appearance of the deltas has been formed as a result of long-term changes in the erosion basis; based on the study of organomineral sediments (specific sediments accumulated during marine transgressions), a method for identifying episodes of high water level of paleowater bodies is proposed.
引用
收藏
页码：781 / 795
页数：15
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