In the last three decades, Egypt has greatly modified a series of lagoons and lakes along the northeast coast of the Nile Delta for the production of fish. Partial sunglint in this astronaut photograph reveals numerous details in one such fishery. Sunglint is light reflected directly back from a surface—usually water—to the viewer (or to a camera or satellite sensor). Waves generated by northwesterly winds (lower left to upper right in this view) have created the frond-like sand spit along the coast (image top). Faint sea swells are visible at image upper left as a pattern of dark and light lines. Dark patches in the center of the image are shadows cast by small clouds, which appear pewter-gray compared to the golden sunglint on the watery surfaces below.
Published Oct 30, 2006
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