Two high-resolution bathymetry investigations of Lion City
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Two high-resolution bathymetry investigations were conducted in the Lion City at a temporal interval of 14 years. The first topographic dataset were collected using a Simrad EM3000 MBES in May, 2002. In the data collection process, the DSM212 beacon-aided GPS technology was used for the horizontal positioning of the sonar.The second topographic dataset was collected using a Sonic 2024 MBES in May, 2015. The horizontal positioning information was provided by the differential GPS technology (centimeter accuracy).
在狮城进行了两次高分辨率的海底地形调查，两次调查的时间间隔为14年。首次地形数据集于2002年5月采用Simrad EM3000多波束测深系统（MBES）收集。在数据采集过程中，利用DSM212信标辅助GPS技术实现了声纳的水平定位。第二次地形数据集于2015年5月采用Sonic 2024 MBES收集，其水平定位信息由差分GPS技术提供，精度达到厘米级。
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