Digital elevation model (DEM) and digital surface model (DSM) data for the Colorado River corridor in Grand Canyon National Park and Glen Canyon National Recreation Area (2002, 2009, 2013 and 2021), including accuracy assessment data

These datasets consist of four, 1-meter spatial resolution digital surface models (DSMs) that were generated to orthorectify airborne multispectral imagery acquired...本数据集包含四组空间分辨率为1米的数字地表模型（Digital Surface Models, DSM），这些模型均为对所获取的机载多光谱影像进行正射校正而生成……