Digital elevation models (DEMs) of northern Monterey Bay, California, March 2016

This part of the data release presents digital elevation models (DEMs) derived from bathymetry and topography data of northern Monterey Bay, California collected in March 2016. Bathymetry data were collected using two personal watercraft (PWCs), each equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers. Topography data were collected on foot with GNSS receivers mounted on backpacks and with an all-terrain vehicle (ATV) using a GNSS receiver mounted at a measured height above the ground. Additional topography data were collected with a terrestrial lidar scanner. DEM surfaces were produced from all available elevation data using linear interpolation.本部分数据发布内容为2016年3月采集的加利福尼亚州蒙特雷湾北部水深与地形数据所衍生的数字高程模型（DEMs）。其中，水深测量数据通过两艘配备单波束测深仪与测量级全球导航卫星系统（GNSS）接收机的个人水上载具（PWCs）采集获得；地形数据则通过两种方式采集：一是由研究人员背负搭载GNSS接收机的背包徒步采集，二是使用搭载在全地形车（ATV）上、安装高度经过测量的GNSS接收机采集。此外，还通过地面激光雷达扫描仪补充采集了部分地形数据。所有可用高程数据均通过线性插值方法生成了DEM表面。