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

Name: Horizontal and vertical accuracy assessments of digital surface model (DSM) and digital elevation model (DEM) data for the Colorado River corridor in Grand Canyon National Park and Glen Canyon National Recreation Area (2002, 2009, 2013 and 2021)
Creator: Department of the Interior
Published: 2026-01-10T12:14:48+08:00

data.gov2026-01-10 收录

地图精度评估

遥感数据验证

数据链接：

https://catalog.data.gov/dataset/horizontal-and-vertical-accuracy-assessments-of-digital-surface-model-dsm-and-digital-elev-04547 数据链接链接失效反馈

官方服务：

资源简介：

The horizontal accuracy assessment dataset consists of spatial coordinate and elevation values of “hard points” identified in each digital surface model (DSM) dataset...

水平精度评估数据集由各数字表面模型（Digital Surface Model，DSM）数据集中识别出的“硬点（hard points）”的空间坐标与高程值构成……

提供机构：

Department of the Interior

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

资源简介：

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