On the Timing of the Epoch of Abundant River Flow in the Volga Basin

被引：0
作者：
Ukraintsev, V. Yu. [1 ,2 ]
Zazovskaya, E. P. [2 ,3 ]
Zakharov, A. L. [2 ]
Maksimov, F. E. [4 ]
Petrov, A. Yu. [4 ]
机构：
[1] Russian Acad Sci, Water Problems Inst, Moscow 119333, Russia
[2] Russian Acad Sci, Inst Geog, Moscow 119017, Russia
[3] Univ Georgia, Ctr Appl Isotope Res, Athens, GA 30602 USA
[4] St Petersburg State Univ, Inst Earth Sci, St Petersburg 199034, Russia
来源：
WATER RESOURCES | 2024年 / 51卷 / 03期
关键词：
large paleochannels; macromeanders; pleniglacial; last glacial period; lateglacial; radiocarbon dating; NORTH-EURASIAN PLAINS; MIDDLE OKA RIVER; CASPIAN SEA; RUNOFF; CLIMATE; CHRONOLOGY; MORPHOLOGY; RECONSTRUCTION; LANDSCAPE; EVENTS;
D O I：
10.1134/S0097807824700714
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
Large paleochannels with sizes far greater than the modern ones are widespread on the floodplains and low terraces of rivers in the Volga basin. These are indicators of higher values of river runoff in the end of the latest glacial epoch. The assessment of the time interval of the epoch of abundant runoff requires the determination of the age of large paleochannels. With this in view, drilling of large paleochannels has been carried out all over the Volga basin. Radiocarbon dating of the channel alluvium was carried out. The majority of dates lied within the time interval 14.5-17.0 thousand years ago, which suggests the conclusion that the epoch of abundant river flow approximately coincides in time with the early Khvalynian transgression of the Caspian Sea.
引用
收藏
页码：163 / 170
页数：8
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