Lake Bam

Lake Bam is located near the town of Kongoussi, in Burkina Faso. The lake is slowly drying up, putting at risk the nearby village's agriculture, fish stocks, and cattle watering.

Bam

Bam or BAM may refer to:

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Bam (nickname)

Bam is a nickname for:

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Bam Province

Bam is one of the 45 provinces of Burkina Faso. It is in Centre-Nord Region and the capital of Bam is Kongoussi. In 2006 it had a population of 277092. It is a rural province with 252,509 of its residents living in the countryside; only 24,583 live in urban areas. There are 132,086 men living in Bam Province and 145,006 women.

Bam is divided into 9 departments:

Twin towns

See also

References

Coordinates: 13°19′32″N 1°31′40″W / 13.32556°N 1.52778°W / 13.32556; -1.52778

Lake

A lake is an area of variable size filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean (except for sea lochs in Scotland and Ireland), and therefore are distinct from lagoons, and are also larger and deeper than ponds, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which are usually flowing. However most lakes are fed and drained by rivers and streams.

Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers. In some parts of the world there are many lakes because of chaotic drainage patterns left over from the last Ice Age. All lakes are temporary over geologic time scales, as they will slowly fill in with sediments or spill out of the basin containing them.

Many lakes are artificial and are constructed for industrial or agricultural use, for hydro-electric power generation or domestic water supply, or for aesthetic or recreational purposes.

Pigment

A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which a material emits light.

Many materials selectively absorb certain wavelengths of light. Materials that humans have chosen and developed for use as pigments usually have special properties that make them ideal for coloring other materials. A pigment must have a high tinting strength relative to the materials it colors. It must be stable in solid form at ambient temperatures.

For industrial applications, as well as in the arts, permanence and stability are desirable properties. Pigments that are not permanent are called fugitive. Fugitive pigments fade over time, or with exposure to light, while some eventually blacken.

Pigments are used for coloring paint, ink, plastic, fabric, cosmetics, food, and other materials. Most pigments used in manufacturing and the visual arts are dry colorants, usually ground into a fine powder. This powder is added to a binder (or vehicle), a relatively neutral or colorless material that suspends the pigment and gives the paint its adhesion.

Lake (disambiguation)

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