ATLAS/ICESat-2 L3A Ocean Surface Height, Version 2

This data set (ATL12) contains along-track sea surface heights at variable length scales over cloud-free regions. Estimates of height distributions, surface roughness, surface slope, and apparent reflectance are also provided. The data were acquired by the Advanced Topographic Laser Altimeter System (ATLAS) instrument on board the Ice, Cloud and land Elevation Satellite-2 (ICESat-2) observatory.本数据集（ATL12）包含无云区域内不同长度尺度下的沿轨海面高度数据，同时还提供了高度分布、海面粗糙度、海面坡度以及表观反射率的估算值。该数据由搭载于冰、云和陆地高程卫星-2（ICESat-2）平台的先进地形激光测高系统（ATLAS）采集获取。