Patterned ground — is a term used to describe the distinct, and often symmetrical geometric shapes formed by ground material in periglacial regions. Typically found in remote regions of the Arctic, Antarctica, and the Australian outback, but also found anywhere… … Wikipedia
patterned ground — A general term for any ground surface exhibiting a discernibly ordered, more or less symmetrical, morphological pattern of ground and, where present, vegetation. Patterned ground is characteristic of, but not confined to, permafrost regions or … Glossary of landform and geologic terms
Tiger bush — Aerial view of a tiger bush plateau in Niger. Vegetation appears in dark while lighter pixels represent bare soil. The distance between successive vegetated bands varies between 60 and 120 meters. Corona KH 4A satellite reconnaissance system… … Wikipedia
Fir wave — A fir wave is a set of alternating bands of fir trees in sequential stages of development, observed in forests on exposed mountain slopes in several areas, including northeastern North America and Japan. Fir waves develop by wave regeneration… … Wikipedia
String bog — A String bog or Strong mire is a bog consisting of slightly elevated ridges and islands, with woody plants, alternating with flat, wet sedge mat areas. String bogs occur on slightly sloping surfaces, with the ridges at right angles to the… … Wikipedia
permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… … Universalium
charadriiform — ▪ bird order Introduction any member of the large group of birds (bird) that includes the sandpipers (sandpiper), plovers (plover), gulls (gull), auks (auk), and their relatives. These birds form an important and familiar segment of the… … Universalium
Mount Kenya — Elevation 5,199 m (17,057 ft) … Wikipedia
dipteran — /dip teuhr euhn/, adj. 1. dipterous (def. 1). n. 2. a dipterous insect. [1835 45; DIPTER(A) + AN] * * * Any member of the more than 85,000 species in the insect order Diptera (the two winged, or true, flies), characterized by the use of only one… … Universalium
Military camouflage — See also: List of camouflage patterns Soldiers of the 10th Mountain Division (US Army) wearing the Army Combat Uniform in MultiCam … Wikipedia
