Ravine


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ravine

a deep narrow steep-sided valley, esp one formed by the action of running water

Ravine

 

(in Russian, balka), a dry valley or one in which a stream flows at times. The bottom is sloping and concave, often without a morphologically articulated bed; the sides are convex, merging smoothly into watershed areas. Ravines vary in length from hundreds of meters to 20 and 30 kilometers; they vary in depth from a few meters to dozens of meters; their width may reach hundreds of meters. The sides and bottom are covered with turf and often with shrubs or trees. When the vegetative cover is removed, ravines become nuclei of erosion. They most often develop from gulches, but may also arise without a gulch stage. They are characteristic of highlands and plains of the forest-steppe and the steppe type.


Ravine

 

(Russian, log), an erosional excavation in flat country in the accumulation stage, with gentle slopes overgrown with vegetation, a flat bottom, and a small drainage basin on the side.

ravine

[rə′vēn]
(geography)
A small and narrow valley with steeply sloping sides.
References in classic literature ?
Gray Brother, when we are gone, hold the cows together, and drive them into the foot of the ravine.
They charged down on him, and he ran just before them to the foot of the ravine, as Akela drove the bulls far to the left.
We rode on after it was dark, till we reached a side ravine with a small well, called "Agua amarga.
In the ravine of Jajuel, near Aconcagua, where there is no pass, I heard of remains of houses situated at a great height, where it is extremely cold and sterile.
They had been travelling for some distance through a pass of the mountains, keeping parallel with the river, as it roared along, out of sight, through a deep ravine.
The descent was rugged and romantic, along deep ravines and defiles, overhung with crags and cliffs, among which they beheld numbers of the ahsahta or bighorn, skipping fearlessly from rock to rock.
The heat was extreme in this ravine, shut in as it was like a sort of furnace.
So on we went, the track becoming more and more visible the farther we proceeded, until it conducted us to the verge of the ravine, where it abruptly terminated.
He saw the whips in their red caps galloping along the edge of the ravine, he even saw the hounds, and was expecting a fox to show itself at any moment on the ryefield opposite.
I had fallen into a precipitous ravine, rocky and thorny, full of a hazy mist which drifted about me in wisps, and with a narrow streamlet from which this mist came meandering down the centre.
He walked for a couple of miles through one ravine after another without success, though from the marks upon the bark of the trees, and other indications, he judged that there were numerous bears in the vicinity.
The country bordering upon the river was frequently gashed with deep ravines, or traversed by high bluffs, to avoid which, the travellers were obliged to make wide circuits through the plains.