upward gradient
111slope — 1. noun a) An area of ground that tends evenly upward or downward. I had to climb a small slope to get to the site. b) The degree to which a surface tends upward or downward. The road has a very sharp downward slope at that point. Syn: bank,… …
112Cold-core low — Image of an upper tropospheric cyclonic vortex in the western North Pacific, a cold core low A cold core low …
113rise — v 1. get up, arise, levitate, ascend, uprise; get on one s feet, leap up, jump up, spring up, bolt up; clamber up, climb up, scale, go up, Inf. shin up, Inf. shinny up, Inf. shimmy up; scramble up, scrabble up, work one s way up, escalade,… …
114as|cent — «uh SEHNT», noun. 1. the act of going up; upward movement; a rising: »The sudden ascent of the elevator made us dizzy. 2. Figurative. improvement in position or rank; advancement; promotion. 3. a climbing, especially of a ladder or mountain: »The …
115Global climate model — AGCM redirects here. For Italian competition regulator, see Autorità Garante della Concorrenza e del Mercato. Climate models are systems of differential equations based on the basic laws of physics, fluid motion, and chemistry. To “run” a model,… …
116Recumbent bicycle — A recumbent bicycle is a bicycle which places the rider in a supine or semi supine position (rarely, in a prone position). Recumbents hold the world speed record for a bicycle and were banned from international racing in 1934 cite web url =… …
117Guyot — For the French viticulturist, see Jules Guyot. For the Old French name, see Guiot. A guyot, also known as a tablemount, is a flat topped seamount. Guyots are most commonly found in the Pacific Ocean. Guyots show evidence of having been above the… …
118Root pressure — Root pressure: osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves.Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or when… …
119Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… …
120Frost heaving — (or frost heave) occurs when soil expands and contracts due to freezing and thawing. This process can damage plant roots through breaking or desiccation, cause cracks in pavement, and damage the foundations of buildings, even below the frost line …
