Chirp seismic shotpoint navigation every 100 shots in geographic coordinates - Lake Mohave survey 2002

Lake Mohave is one of several multi-purpose reservoirs that have been constructed on the Colorado River. The lake was formed upon completion of the Davis Dam in 1953. No mapping of the floor of the lake had been conducted since completion of the Davis Dam. The U.S. Geological Survey, in cooperation with researchers form the University of Nevada Las Vegas, completed a geophysical survey of this lake in April 2002. The survey included collection of sidescan sonar imagery of nearly the entire lake floor, and high-resolution seismic-reflection profiles along widely spaced lines throughout the lake. The detailed mapping of the lake floor was used to determine the amount of sediment that had accumulated in the lake since impoundment, its distribution, and the processes of deposition.

莫哈韦湖（Lake Mohave）是科罗拉多河上已建成的多用途水库之一。该湖泊于1953年戴维斯大坝（Davis Dam）竣工后形成。自大坝完工以来，尚未对该湖湖床开展过测绘工作。2002年4月，美国地质调查局（U.S. Geological Survey）与内华达大学拉斯维加斯分校（University of Nevada Las Vegas）的研究人员合作，完成了针对该湖泊的地球物理勘测。本次勘测包含两项核心内容：一是采集了几乎覆盖全湖床的侧扫声呐图像；二是沿全湖范围布设的间隔较宽测线，获取了高分辨率地震反射剖面。科研团队借助此次湖床精细测绘数据，确定了该水库自蓄水以来的沉积物淤积量、空间分布特征以及沉积作用过程。