2018 LiDAR - Hydro Enforced Digital Terrain Model

Hydro Enforced Digital Terrain Model (DTM) - 1 meter resolution digital terrain model from LiDAR flown on April 5, 2018. The LiDAR was collected in one lift that was composed of 24 flight lines flown at an altitude of 9,700 feet above mean sea level.

水文约束数字地形模型（Hydro Enforced Digital Terrain Model，DTM）—— 采用2018年4月5日机载激光雷达（LiDAR）飞行采集数据制作的1米分辨率数字地形模型。本次激光雷达数据采集仅通过单次飞行作业完成，该作业包含24条测绘航线，飞行高度为平均海平面以上9700英尺。