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  1. NASADEM: Creating a New NASA Digital Elevation Model and …

    MEaSUREs 2012 project focused on providing the scientific and civil communities with a state-of-the-art global DEM from SRTM processing improvements.

  2. 到底什么是DEM?如何获取该数据? - 知乎

    DEM,Digital Elevation Model,DEM,数字高程模型,是描述地表起伏形态特征的空间数据模型,目前可以免费下载到的全球DEM数据主要有SRTM、HGTNASA、AW3D30、TanDEM-X …

  3. ASTER Global Digital Elevation Model V003 - NASA Earthdata

    Description The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) Version 3 (ASTGTM) provides a global …

  4. 海运中的滞期费 DEM 和滞留费 DET 分别是什么意思? - 知乎

    DEM DEMURRAGE CHARGES: 滞期费 指承运人或其代理人控制的集装箱 超期(逾期) 使用费, 通常是指收货人在目的地码头或堆场清关提货前发生的集装箱超期使用费。 时间范围包括箱 …

  5. New Version of the ASTER GDEM - NASA Earthdata

    Nov 4, 2020 · Version 3 of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) is now available from NASA’s …

  6. Shuttle Radar Topography Mission (SRTM) | NASA Earthdata

    The Shuttle Radar Topography Mission (SRTM) payload flew aboard the Space Shuttle Endeavour during the STS-99 mission. SRTM collected topographic data over nearly 80% of …

  7. 我想下载且只想下载某个省份的DEM数据,该如何下载? - 知乎

    关注者 11 被浏览 28,769 凉生 GISer 以地理空间数据数据云(地理空间数据云 (gscloud.cn))下载DEM为例,进入网站后,选择高级检索 显示新面板后,选择数据集 因为这里是下载DEM数 …

  8. Alaska Satellite Facility's Radiometric Terrain Correction Project ...

    The objective of the Alaska Satellite Facility (ASF) ALOS PALSAR RTC Project was to generate an analysis-ready synthetic aperture radar (SAR) product suitable for use in a variety of Earth …

  9. Create a DEM using Sentinel-1 Data - NASA Earthdata

    Dec 3, 2024 · This recipe from NASA's Alaska Satellite Facility guides you through creating a Digital Elevation Model (DEM) from two Sentinel-1 SLC scenes. Follow the steps: create an …

  10. 如何获取完整的中国DEM高程数据啊? - 知乎

    目前开源DEM中最高精度的欧空局Copernicus DEM数据及基于此加工的坡度坡向数据在国家地球系统科学数据中心发布共享。 中国30m分辨率Copernicus DEM高程数据集(2015年)数据根 …