2002 Louisiana and Texas USGS/NASA Airborne Lidar Assessment of Coastal Erosion (ALACE) Project for the US Coastline

This data set includes data collected on October 12, 2002, and covers coastline in Texas and Louisiana.
Laser beach mapping uses a pulsed laser ranging system mounted onboard an aircraft to measure ground
elevation and coastal topography. The laser emits laser beams at high frequency and is directed downward at the
earth's surface through a port opening in the bottom of the aircraft's fuselage....

本数据集收录了2002年10月12日收集的数据，涵盖了德克萨斯州和路易斯安那州的沿岸地区。激光海滩测绘技术通过在飞机上搭载的脉冲激光测距系统，对地面高程及海岸地形进行测量。该激光以高频发射激光束，并通过飞机机体底部的开口向下照射至地球表面……