West Africa – June 1st, 2013
A plume of dust spreads westward, off the coast of West Africa by the Mauritania-Senegal border (marked by the Senegal River, right center). The plume extends west-southwestward, blowing far over the Cape Verde Islands.
West Africa – May 22nd, 2013
A veil of dust blows off the coast of West Africa and towards the islands of the Cape Verde archipelago (lower left quadrant). Along the coast, the dust hangs over the Bay of Arguin (above), in Mauritania, and the mouth of the Senegal River (below), in Senegal.
West Africa – February 2nd, 2013
Dust from the Sahara Desert blows off the coast of Mauritania, Senegal, the Gambia and Guinea Bissau (top to bottom, right side of image), towards the Cape Verde islands (upper left quadrant). As the dust appears thickest offshore, the Senegal River (upper right, forming the border between Senegal and Mauritania), the Gambia River (center of coastline) and the Geba River (lower part of coastline, marked by a wide, sediment-filled estuary) can be observed.
Mauritania – January 6th, 2013
Sahara Desert dust blows off the coast of West Africa. It appears thickest over and near the Bay of Arguin, in Mauritania. Although the image shows the dust only reaching as far as the Cape Verde Islands (lower left quadrant), such clouds of dust are often carried across the Atlantic Ocean by the Trade Winds and tend to reach the Caribbean about a week later, where they may persist in the air for months. Over the northern hemisphere summer, African dust may be carried into higher latitudes and cover large areas of the Gulf of Mexico and the southern and eastern USA. The presence of high concentrations of dust for such long periods of time raises concerns about the impact on human health (click here for more information).
West Africa – January 7th, 2013
Dust from the Sahara Desert blows off the coast of West Africa. Here, the dust is thickest off the coast of Senegal, north of the Cap Vert Peninsula, and spreads westward over the Cape Verde Islands (upper left edge). Visible south of the peninsula are sediments from rivers in Senegal and the Gambia including the Saloum, Gambia and Casamance (north to south) Rivers.
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