Holocene lake sedimentation in the steppe zone of southeastern Transbaikalia (exemplified by the sediments of Lake Zun-Soktui)

被引：16

作者：

Bazarova, V. B. ^{[1
]}

Grebennikova, T. A. ^{[1
]}

Mokhova, L. M. ^{[1
]}

Orlova, L. A. ^{[2
]}

机构：

[1] Russian Acad Sci, Pacific Inst Geog, Far Eastern Branch, Vladivostok 690041, Russia

[2] Russian Acad Sci, VS Sobolev Inst Geol & Mineral, Siberian Branch, Novosibirsk 630090, Russia

来源：

RUSSIAN GEOLOGY AND GEOPHYSICS | 2011年 / 52卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

lacustrine sediments; spores and pollen; diatoms; radiocarbon dating; aridization; Holocene; steppe zone; southeastern Transbaikalia; CLIMATE; RECORDS; PALEOCLIMATES; PLEISTOCENE; VEGETATION; HOVSGOL;

D O I：

10.1016/j.rgg.2011.02.006

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Data on lacustrine sediments permitted reconstructing climate and vegetation changes in the steppe zone of southeastern Transbaikalia in the Holocene and the evolution of Lake Zun-Soktui. Also, changes in the size of the lake water plane have been reconstructed. A shallow lake formed in place of an oxbow lake in the middle Boreal phase of the Holocene. In the Atlantic phase, the lake had maximum depth and area. In the late Boreal, early Subboreal, and in the second half of the Subatlantic phase, the lake underwent significant shallowing and sometimes dried up for a short time. In the middle Boreal and Atlantic phases, the aridization decreased considerably. It has been established that pine forest belts on the Onon high plain before the Subatlantic occupied several times more space than now. (c) 2011, V.S. Sobolev IGM, Siberian Branch of the RAS. Published by Elsevier B.V. All rights reserved.

引用

页码：333 / 342

页数：10

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