王岳,李育,张成琦,周雪花

• 1:兰州大学资源环境学院

摘要(Abstract)：

于猪野泽古湖盆南北向中心线及湖盆边缘东北部两个区域内采集表层沉积物样品共45个,既包含来源于地表径流的沉积物,也有在湖泊内部形成的沉积物.分别对其粒度、TOC、w(C)/w(N)及δ13C等分析后发现猪野泽表层沉积物颗粒随地势自高向低逐渐变细,且沉积物中的TOC和w(C)/w(N)逐渐升高,δ13C则相反.据此可知,猪野泽古湖泊表层沉积物的粒度及地球化学指标特征符合干旱区内陆河终端湖泊沉积物千年尺度上的一般规律,故可使用这些指标推测猪野泽古湖泊的水动力条件和湖面水位等.

关键词(KeyWords)： 表层沉积物;粒度;有机地球化学;湖泊水动力学;猪野泽

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41371009);; 中央高校基本科研业务费专项资金项目(lzujbk-2013-127)

作者(Author): 王岳,李育,张成琦,周雪花

DOI: 10.13885/j.issn.0455-2059.2014.06.008

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