DLR, ESA / SCIENCE PHOTO LIBRARY DLR, ESA / SCIENCE PHOTO LIBRARY
Global mean sea surface height. Map of the world, showing local mean height of the ocean surface. The colours in the image represent the variation in mean sea height; from pale green (highest) through mid green, turqoise and pale blue to dark blue (lowest). These data are laid over a topographic map of the globe, with ocean floor features shown in shaded relief. Land masses are shown in grey. The data for this image were gathered by the European ERS-1 radar mapping satellite.
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