- drainage system evolution
- эволюция дренажной системы
Glacial hydrology dictionary. Б.Р.Мавлюдов.
Glacial hydrology dictionary. Б.Р.Мавлюдов.
Tigris-Euphrates river system — ▪ river system, Asia Introduction great river system of Southwest Asia, comprising the Tigris and Euphrates rivers, which have their sources within 50 miles (80 km) of each other in eastern Turkey and travel southeast through northern Syria and… … Universalium
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
History of the National Wildlife Refuge System — The National Wildlife Refuge System in the United States has a long and distinguished history.Early years (1864 1920)By Executive Order of March 14, 1903, President Theodore Roosevelt established Pelican Island National Wildlife Refuge, along… … Wikipedia
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
Crevasse — is also a traditional term for a levee breach. Crossing a crevasse on the Easton Glacier, Mount Baker, in the North Cascades, Washington A crevasse is a deep crack in an ice sheet rhys glacier (as opposed to a crevice, which forms in rock).… … Wikipedia
Crevasse — Franchissement d une crevasse dans les North Cascades. Une crevasse est une ouverture naturelle dans un glacier. Plusieurs types de crevasses existent en fonction du terrain. Les crevasses peuvent représenter un véritable danger dans la pratique… … Wikipédia en Français
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… … Universalium
India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium