Search results
Results from the WOW.Com Content Network
A desert especially rich in mineral salts is the Atacama Desert, Chile, where sodium nitrate has been mined for explosives and fertilizer since around 1850. [105] Other desert minerals are copper from Chile, Peru, and Iran, and iron and uranium in Australia.
Sahara Desert – Africa's largest desert and the world's largest hot desert which covers much of North Africa comprising: Ténéré – a desert covering northeastern Niger and western Chad Sahara Desert; Tanezrouft – a desert covering northern Mali, northwestern Niger as well as central and southern Algeria, at the west of the Hoggar Mountains
Also desert patina, rock varnish, and rock rust. A conspicuous orange-yellow to black coating often present on exposed rock surfaces in arid environments, consisting of thin, hard, polished layers of metal oxides, especially iron and manganese, which form when minute quantities of matter migrate to the surface of the rock by capillary action ...
العربية; Azərbaycanca; বাংলা; Български; Bosanski; Eesti; Español; Esperanto; فارسی; Gàidhlig; हिन्दी; Italiano ...
The Mojave Desert is the hottest desert in North America, located primarily in southeastern California and Southern Nevada. Its total area is 22,000 sq mi (57,000 km 2). The largest cold desert is the Great Basin Desert, which encompasses much of the northern Basin and Range Province, north of the Mojave Desert.
Desert ecology is the study of interactions between both biotic and abiotic components of desert environments. A desert ecosystem is defined by interactions between organisms, the climate in which they live, and any other non-living influences on the habitat. Deserts are arid regions that are generally associated with warm temperatures; however ...
Red Desert rangeland in Wyoming.Water from melted snow pack can be seen on the ground. Such melting is the main source of surface water in Wyoming. Weeds are all that remains in Idaho after a failed restoration project following wildfire, and subsequent invasion by non-native species.
Desertification is a gradual process of increased soil aridity.Desertification has been defined in the text of the United Nations Convention to Combat Desertification (UNCCD) as "land degradation in arid, semi-arid and dry sub-humid regions resulting from various factors, including climatic variations and human activities."