[1]罗兰,武胜利,刘强吉.博斯腾湖湖岸沉积物磁化率和粒度特征分析[J].水土保持研究,2016,23(02):346-351.
　LUO Lan,WU Shengli,LIU Qiangji.Characteristics of Magnetic Susceptibility and Grain Size of Sediments in the Bosten Lake[J].Research of Soil and Water Conservation,2016,23(02):346-351.
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博斯腾湖湖岸沉积物磁化率和粒度特征分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年02期 页码: 346-351 栏目: 出版日期: 2016-04-28
Title:
Characteristics of Magnetic Susceptibility and Grain Size of Sediments in the Bosten Lake
作者:
罗兰1, 武胜利2,3, 刘强吉3
1. 新疆大学 资源与环境科学学院, 乌鲁木齐 830046;
2. 新疆干旱区湖泊环境与资源重点实验室, 新疆师范大学, 乌鲁木齐 830054;
3. 新疆师范大学 地理科学与旅游学院, 乌鲁木齐 830054
Author(s):
LUO Lan1, WU Shengli2,3, LIU Qiangji3
1. College of Resources and Environment Science, Xinjiang University, Urumqi 830046, China;
2. Xinjiang Laboratory of Lake Environment and Resources, Urumqi 830054, China;
3. College of Geographical Science and Tourism, Xinjiang Normal University, Urumqi 830054, China
关键词:
博斯腾湖; 沉积物; 磁化率; 粒度
Keywords:
Bosten Lake; sedimentary; magnetic susceptibility; grain size
分类号:
P512.2
摘要:
选取博斯腾湖西岸剖面进行环境磁学测试，并结合粒度组分进行相关性分析。研究结果表明：磁化率随深度变化的变化呈上升再下降趋势，并出现波动—平缓—波动的变化过程。随深度变化，影响磁性参数的主导因素不同。表层土壤主要受生物作用影响；中间层主要受沉积源磁性矿物影响；底层湖相沉积物的磁性特点及粒度分布主要受湖泊沉积环境及水动力条件影响。在剖面湖相沉积所处时代，博斯腾湖水动力条件减弱，气候环境相对干旱，湖泊处于收缩过程中，并且在收缩过程中湖水的动力条件存在明显波动。
Abstract:
Magnetic susceptibility of a profile of Bosten Lake in the west bank sediments was tested and compared with the changes of grain size. The results show that susceptibility varies with depth, and increased first and then decreased, presenting the trend of fluctuations-slightness-fluctuations in the change process. The dominant factors affecting the magnetic parameters are different with depth. Topsoil is mainly affected by the impact of biological effects, the middle layer is mainly affected by the magnetic mineral deposition source type, grain size distribution and the magnetic characteristics of lake sediments are mainly affected by the lacustrine sedimentary environment and the impact of hydrodynamic conditions. Characteristic of water environment during this period is relatively dry, the lake is in the process of contraction. Hydrodynamic condition presents the significant fluctuation at the same time.

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备注/Memo

收稿日期:2015-04-07;改回日期:2015-05-08。
基金项目:国家自然科学基金委员会—新疆维吾尔自治区人民政府联合基金重点项目（U1138302）；新疆干旱区湖泊环境与资源重点实验室资助项目（XJDX0909-2012-03）
作者简介:罗兰(1990-),女,湖北孝感人,硕士研究生,从事干旱区湖泊与生态环境研究。E-mail:luolan605@163.com
通讯作者:武胜利(1977-),男,河南西平人,博士,教授,主要从事干旱区环境演变的研究。E-mail:wushengli77@126.com

更新日期/Last Update: 1900-01-01