Topography data from northern Monterey Bay, California, September 2017

This part of the data release presents topography data from northern Monterey Bay, California collected in September 2017. Topography data were collected on foot with survey-grade global navigation satellite system (GNSS) receivers mounted on backpacks and with an all-terrain vehicle (ATV) using a GNSS receiver mounted at a measured height above the ground.本批次数据发布的该部分内容，收录了2017年9月采集自美国加利福尼亚州蒙特雷湾北部的地形测绘数据。该地形数据通过两种方案采集：其一为背负测绘级全球导航卫星系统（GNSS）接收机徒步作业采集；其二为在全地形车（ATV）上搭载经实地测量离地高度的GNSS接收机开展采集。