Sediment-Deposition Rates and Organic Compounds in Bottom Sediment at Four Sites in Lake Mead, Nevada, May 1998
Sediment-Deposition Rates and Organic Compounds in Bottom Sediment at Four Sites in Lake Mead, Nevada, May 1998
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内华达州米德湖四个地点底部沉积物的沉积速率和有机化合物，1998 年 5 月
DOI：
10.3133/ofr01282
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发表时间：
2001
期刊：
影响因子：
--
通讯作者：
D. A. Beck
中科院分区：
文献类型：
--
作者：
K. J. Covay;D. A. Beck
摘要：1998年5月，美国地质调查局与内华达州拉斯维加斯大学合作，调查了米德湖四个地点的沉积物沉积速率和选定的合成有机化合物的浓度。从拉斯维加斯湾的两个地点（一个浅的和一个深的）、奥弗顿臂的一个地点和科罗拉多河和维尔京河历史交汇处附近的一个地点提取沉积物岩心。使用铯-137对沉积物芯进行了年龄测定，并分析了有机氯化合物（农药和降解产物多氯联苯、二恶英和呋喃）和半挥发性有机化合物（多环芳烃和酚类）的存在。
Abstract : In May 1998 the U.S. Geological Survey in cooperation with the University of Nevada Las Vegas investigated rates of sediment deposition and concentrations of selected synthetic organic compounds at four sites in Lake Mead. Sediment cores were extracted from two sites (one shallow and one deep) in Las Vegas Bay from one site in the Overton Arm, and from one site near the historic confluence of the Colorado and Virgin Rivers. The sediment cores were age-dated using cesium-137 and were analyzed for the presence of organochlorine compounds (pesticides and degradation products polychlorinated biphenyls dioxins and furans) and for semivolatile organic compounds (polycyclic aromatic hydrocarbons and phenols).