concave slope

См. также в других словарях:

• concave slope —   a slope which becomes progressively shallower downhill. It can refer to an entire slope or part of one. On a map the Contour lines will be spaced further apart with a decline in height above sea level …   Geography glossary

• Concave function — In mathematics, a concave function is the negative of a convex function. A concave function is also synonymously called concave downwards, concave down, convex upwards, convex cap or upper convex. Contents 1 Definition 2 Properties 3 Examples …   Wikipedia

• head slope —    [ geomorphology ]    A geomorphic component of hills consisting of a laterally concave area of a hillside, especially at the head of a drainageway, resulting in converging overland water flow (e.g., sheet wash); head slopes are dominated by… …   Glossary of landform and geologic terms

• base slope —    [ geomorphology ]    A geomorphic component of hills consisting of the concave to linear slope (perpendicular to the contour) which, regardless of the lateral shape is an area that forms an apron or wedge at the bottom of a hillside dominated… …   Glossary of landform and geologic terms

• playa slope —    (colloquial: Southern High Plains)    The generally concave to slightly convex area within a playa basin that lies between the relatively level playa floor below (or playa step, if present) and the convex playa rim above. Overland flow is… …   Glossary of landform and geologic terms

• valley-side alluvium —    A concave slope wash deposit at the base of a hill slope, mountain slope, terrace escarpment, etc., that may or may not include the alluvial toe slope.    Compare: base slope, slope alluvium.    HP …   Glossary of landform and geologic terms

• ramp — ramp1 rampingly, adv. /ramp/, n. 1. a sloping surface connecting two levels; incline. 2. a short concave slope or bend, as one connecting the higher and lower parts of a staircase railing at a landing. 3. any extensive sloping walk or passageway …   Universalium

• ramp — I [[t]ræmp[/t]] n. 1) bui a sloping surface connecting two levels; incline 2) bui any extensive sloping walk or passageway 3) bui a short concave slope or bend, as one connecting the higher and lower parts of a staircase railing at a landing 4)… …   From formal English to slang

• ramp — I. /ræmp / (say ramp) noun 1. a sloping surface connecting two different levels. 2. a short sloping track, road, etc. 3. a short concave slope or bend, as one connecting the higher and lower parts of a banister at a landing or of the top of a… …  

• pediment —   concave, rock cut, slope found between a cliff face and a valley floor in arid and semi arid areas …   Geography glossary

• valley — valleylike, adj. /val ee/, n., pl. valleys. 1. an elongated depression between uplands, hills, or mountains, esp. one following the course of a stream. 2. an extensive, more or less flat, and relatively low region drained by a great river system …   Universalium