Alaska Satellite Facility: find and download SAR, InSAR, and other data.

Use the Area of Interest Tool or the Point Tool to view and select for download datasets using either a bounding box or a point. Use the Projects in Map View panel to zoom to datasets by …

2025年2月14日 · This is a tiled collection of the 3D Elevation Program (3DEP) covering Alaska only, and is 5-meter resolution. The 3DEP data holdings serve as the elevation layer of The …

The creation of radiometric terrain corrected (RTC) products was a project of the Alaska Satellite Facility to make SAR data accessible to a broader community of users. RTC removes the …

2004年8月11日 · More than 350,000 square kilometers (84,000,000 acres) of high-resolution imagery and 75,000 sq-km of high resolution DEM (elevation) data is available through Alaska …

2015年5月14日 · Alaska’s existing Digital Elevation Models (DEM) are of uneven quality. Many areas have significant accuracy problems, not meeting even DTED-2 standards (LE90 < 18 …

2006年3月23日 · The creation of radiometric terrain corrected (RTC) products was a project of the Alaska Satellite Facility to make SAR data accessible to a broader community of users. RTC …

2024年7月6日 · This is a tiled collection of the 3D Elevation Program (3DEP) and is 2 arc-second (approximately 60 m) resolution covering Alaska. The elevations in this Digital Elevation Model …

2009年12月15日 · The Alaska Mapped online map allows user to view, search, and download airborne and satellite imagery and digital elevation model data (DEM). Landsat, scanned …

Distributable DEM products include: 2 arc-second (in Alaska only); 1 arc-second; 1/3 arc-second; 1/9 arc-second; 5 meter (in Alaska only); and 1 meter. The 2-, 1-, and 1/3-arc-second products …