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Close-up view of the MERIT DEM and the Original<br> SRTM DEM, for the Mekong Delta and the Amazon <br>Floodplain. Improvement by removing stripe noise,<br>speckle noise, absolute bias, and tree<br>height bias can be recognized. +
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14:31:26, 8 February 2017 +
Measured +
wgs84 +
3arc sec +
global +
Time snap shot +
~2000s +
The MERIT DEM was developed by removing mu … The MERIT DEM was developed by removing multiple error components (absolute bias, stripe noise, speckle noise, and tree height bias) from the existing spaceborne DEMs (SRTM3 and AW3D). It represents the terrain elevations at a 3sec resolution (~90m at the equator), and covers land areas between 90N-60S. The data is freely available for research and education purpose.ilable for research and education purpose. +
Yamazaki, D., Ikeshima, D., Tawatari, R., Yamaguchi, T., O'Loughlin, F., Neal, J.C., Sampson, C.C., Kanae, S., and Bates P.D., 2017. A high accuracy map of global terrain elevations. Geophysical Research Letters, Doi: 10.1002/2017GL072874 +
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16:40:53, 11 March 2025 +
The MERIT DEM was developed by removing multiple error components from existing spaceborne DEMs (SRTM3 and AW3D) +
Image:Mek Amz.png +
