gully

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Related to gullied: Gulley

gully

1, gulley
1. a channel or small valley, esp one cut by heavy rainwater
2. NZ a small bush-clad valley
3. a deep, wide fissure between two buttresses in a mountain face, sometimes containing a stream or scree
4. Cricket
a. a fielding position between the slips and point
b. a fielder in this position
5. either of the two channels at the side of a tenpin bowling lane

gully

2
Scot a large knife, such as a butcher's knife
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Gully

 

a deep, steep-sided cut formed by a temporary stream. It forms on elevated plains or on hills that are composed of loose, easily scoured rock and on the sides of ravines and gulches. It may be up to several kilometers long, with a width and depth of dozens of meters. Gullies are most widespread in the European USSR in the forest-steppe and steppe zones (for example, in the Central Russian Upland, Volga Upland, Volyn’ Hills, and Po-dol’e Upland) and in Middle Asia (Fergana). In other countries they are found in the loess areas of China, in a number of regions in the United States, and in tropical countries.

Gullies cause great damage chiefly to agriculture by breaking up and destroying fields. Farming practices that eliminate or reduce surface runoff and promote moisture retention on the fields are effective in preventing gully erosion. They include crop rotation, contour farming, broken ridging, slotting, strip farming, the creation of perennial-grass buffer strips along the contour, the leveling of scours, and the planting of water-absorbing forest belts horizontally along sloping lands.

On land with developing gullies, hydraulic engineering works are built and forest reclamation methods are also used. The hydraulic engineering structures include water-retaining embankments, terraces, drainage ditches, dams, chutes, overfalls, and retaining walls. The forest reclamation methods include the planting of shelterbelts around gullies and ravines, as well as afforestation and regrassing of the sides and floors of gullies. These measures prevent the development of gullies. Gullies are now sometimes flattened and then sown with grass.

REFERENCES

Dokuchaev, V. V. “Ovragi i ikh znachenie.” Soch., vol. 1. Moscow-Leningrad, 1949.
Braude, I. D. Zakreplenie i osvoenie ovragov, balok i krutykh sklonov. Moscow, 1959.
Koz’menko, A. S. Bor’ba s eroziei pochv na sel’skokhoziai-stvennykh ugod’iakh. Moscow, 1963.
Shikula, N. K. Bor’ba s eroziei i zemledelie na sklonakh. Donetsk, 1968.

D. L. ARMAND and N. K. SHIKULA

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

gully

[′gəl·ē]
(geography)
A narrow ravine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

gulley, gully

In a drainage system, a fitting at the upper end of a drain that receives the discharge from waste pipes or rain water.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Despite the inherent sources of error associated with all methods of monitoring there appears to be reasonable correspondence between the yields determined from this study, for both ungullied pasture catchments and gullied catchments, and those derived for the Southern Tablelands using other techniques, such as farm dam surveys and radionuclide studies.
Natural in-stream wetlands may also play a significant role in trapping nutrient-enriched sediment from gullied catchments (Zierholz et al.
Olley JM, Murray AS, Mackenzie DH, Edwards K (1993) Identifying sediment sources in a gullied catchment using natural anthropogenic radioactivity.
Relative bioavailability of P transported in runoff from gullied (L1) and treated (L2) watersheds(*) Year DP / BAP BPP / PP DP / TP BAP / TP L1 L2 L1 L2 L1 L2 L1 L2 % 1986 8 7 4 7 2 3 3 9 1987 5 9 4 11 1 5 4 19 1988 9 12 3 13 1 7 3 21 1989 18 20 3 15 2 9 3 25 1990 14 31 4 45 2 9 4 50 1991 14 36 3 47 1 11 3 51 1992 17 60 3 56 1 15 3 59 Average(**) 13a 28a 3a 31b 1a 9b 3a 38b * DP represents dissolved P, BAP-bioavailable P, BPP-bioavailable particulate P, PP-particulate P, and TP-total P.
Sediment loss from the gullied watersheds (average 28 Mg [ha.sup.-1]) was consistently greater than the T value [ILLUSTRATION FOR FIGURE 2 OMITTED].
[1 to 5] for the surface (0-5 cm) and subsurface (5- 20 cm) Nash-Lucien complex soil at the gullied watersheds Parameter Surface Subsurface Clay, % 14 20 Organic C, g [kg.sup.-1] 16.3 3.1 Bulk density, Mg [m.sup.-3] 1.30 1.35 Soil aggregation(*) 24 13 K 0.140 0.034 [Alpha] 0.255 0.086 [Beta] 0.355 0.842 i -1.43 -2.21 * Ratio of percent clay in dispersed and undispersed soil.
In contrast to L2, N and P losses from the gullied watershed L1 were consistently over-predicted by a factor of 3 to 14, respectively (Table 5).