erosion time
91Meander — For other uses, see Meander (disambiguation). A hypothetical stream bed following a tilted valley. The maximum gradient is along the down valley axis represented by a hypothetical straight channel. Meanders develop, which lengthen the course of… …
92Conservation Reserve Program — The Conservation Reserve Program (CRP) is a cost share and rental payment program under the United States Department of Agriculture (USDA), and is administered by the USDA Farm Service Agency (FSA). Technical assistance for CRP is provided by the …
93Geologie des Death Valley — Luftaufnahme des Death und Panamint Valley (NASA). Die elliptische Vertiefung links ist das Becken des Searles Lake, das kleinere Längstal ist Panamint Valley, das größere ist Death Valley. Der Gebirgszug dazwischen ist die Panamint Range, und… …
94Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
95plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …
96Mount Cayley volcanic field — Coordinates: 50°07′13″N 123°17′26″W / 50.12028°N 123.29056°W / 50.12028; 123.29056 …
97Chobham Common — is a 1,400 acre (6 km2) area of lowland heath a globally rare and threatened habitat, in Surrey, England. It was formerly a freehold owned by the Earl of Onslow, and purchased for £1 an acre by Surrey County Council in 1966.[1] It is managed …
98No-till farming — The article Conservation tillage redirects to this page. This article primarily discusses No till farming, which is one of several different conservation tillage techniques. Some others are Strip till and Minimum tillage …
99Buffer strip — Contour buffer strips used to retain soil and reduce erosion. See also: Riparian zone restoration A buffer strip is an area of land maintained in permanent vegetation that helps to control air, soil, and water quality, along with other… …
100Economy of the People's Republic of China — Economies of Special Administrative Regions of Hong Kong and Macau are administered separately from the rest of People s Republic of China. Therefore, the information below pertains only to mainland China unless specified otherwise. For the… …
