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Base slope [geomorphology]
| Глоссарий геологических терминов |
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 by colluvial and slope wash processes and sediments (e.g., colluvium and slope alluvium). distal base slope sediments commonly grade to, or interfinger with, alluvial fills, or gradually thin to form pedisediment over residuum. compare - head slope, side slope, nose slope, interfluve, free face. sw part 629 - glossary 629-10 (430-vi-nssh, 2008)
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Geomorphic, английский
Perpendicular, английский
- Перпендикуляр; перпендикулярный
- A right line falling from or standing upon another vertically, and making the angle of 90° on both sides.
- Перпендикуляр
Regardless, английский
Невзирая на, несмотря на
Pedisediment, английский
A sediment layer, eroded from the shoulder and backslope of an erosional slope that lies on and is, or was, being transported across a pediment. ffp
Interfluve, английский
A landform composed of the relatively undissected upland or ridge between two adjacent valleys containing streams flowing in the same general direction. an elevated area between two drainageways that sheds water to those drainageways. compare - divide. gg & ffp
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Basin floor, английский
A general term for the nearly level, lower-most part of intermontane basins (i.e. bolsons, semibolsons). the floor includes all of the alluvial, eolian, and erosional landforms below the piedmont slope.
Base level, английский
The theoretical limit or lowest level toward which erosion of the earth`s surface constantly progresses but seldom, if ever, reaches; especially the level below which a stream cannot erode its bed. the general or ultimate base level for the land surface is sea level, but temporary base levels commonly exist locally. gg
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