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gully — Svenska översättning - TechDico

Gully erosion occurs when water is channelled across unprotected land and washes away the Preventing gully erosion. In most cases gullies can be prevented by good land management practices aimed at maintaining Control measures for gully erosion. The Gully erosion (Fig. 6) occurs where concentrated surface water scour out the regolith and underlying rock with the debris being either deposited downslope or transported into river systems creating major downstream problems. The gully form and severity is very dependent on the rock type. As the name suggests gully, the erosion is in the shape of deep channels on the surface of the earth and it is basically an advanced form of rill erosion. In this, the size of the rill becomes so enlarged that it cannot be controlled by our basic tillage implements.

Gully erosion is the process by which gullies are formed. Hillsides are more prone to gully erosion when they are cleared of vegetation, through deforestation , over-grazing or other means. The eroded soil is easily carried by the flowing water after being dislodged from the ground, normally when rainfall falls during short, intense storms such as during thunderstorms . Hitta perfekta Gully Erosion bilder och redaktionellt nyhetsbildmaterial hos Getty Images.

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Nevertheless, there is a need to model these erosion features, which are complementary to interrill and rill erosion. Gully Erosion: Procedures to Adopt When Modelling Soil Erosion in Landscapes Affected by Gullying J. W. A. Poesen Physical and Regional Geogra phy Research Group, Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, GEO‐Institute, Celestijnenlaan 200E, B‐3001 Heverlee, Belgium What is gully erosion? Gully erosion is the removal of soil from the surface and sub-surface creating permanent channels greater than 30 centimetres (1 foot) deep.

Soil erosion and reservoir sedimentation in Lesotho - DiVA

Reduce water runoff into and through gullies and drainage hollows. Stabilise gully head cuts, sidewalls, and drainage hollows … Gully erosion, however, can also occur within a watercourse, typically within the upper reaches, and typically resulting from an active ‘head-cut’ migrating rapidly up the valley.

(cultivated and grazing) are changed in to gullies. Gully erosion is geographically a widespread problem and is the worst stage of soil erosion (plate 1). 28 Dec 2019 Soil Erosion, Water Erosion, Raindrop splash erosion, Sheet erosion, Rill gully erosion, Streambank erosion, Coastal erosion, Glacial erosion, Moltissimi esempi di frasi con "gully erosion" – Dizionario italiano-inglese e motore di ricerca per milioni di traduzioni in italiano. Well managed overland flow can help prevent gullies forming.
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Land-slide erosion on gully banks, sink holes, slumping, piping, tunneling The Nigeria gully erosion crisis has been ongoing since before 1980, and affects communities large and small. It is an ecological, environmental, economic, and humanitarian disaster resulting in land degradation, loss of lives, and properties worth millions of dollars. The estimated number of gullies in the country is at 3,000. Gully Erosion, pag, 2 B. Gully Erosion Equations To calculate the erosion occurring from ephemeral gullies or gullies. the following table and formulas will be used: New gully or channel Gully bank sloughing 2xdxLxRxW=T ~2000 (A+B) x D x Lx W = T1/ 2x2000xY Advancing gully head Ephemeral gully lA+8) x D x L x W x N (A+B) x D x W x H = T1 Se hela listan på pubs.sciepub.com Gully erosion is often driven by associated land degradation in the catchment to the gully system This may be overgrazing or inappropriate cultivation causing intense runoff events.

Hitta stockbilder i HD på gully erosion och miljontals andra royaltyfria stockbilder, illustrationer och vektorer i Shutterstocks samling. Tusentals nya Pris: 44,3 €. häftad, 2020. Skickas inom 5-9 vardagar.
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IN THE GULLY ▷ Svenska Översättning - Exempel På

13 Jun 2019 Reduced runoff speed reduces erosion and gully erosion in the channel and allows sediments and other pollutants to settle out. Check dams 17 Dec 2018 In recent years, gully erosion, which is the removal of soil along drainage lines by water run-off, has been identified as one of the major 25 Feb 2014 Gully erosion is an advanced stage of rill erosion where surface channels have eroded to the point where they can not be removed by tillage Many translated example sentences containing "gully erosion" – Swedish-English and gully tops for use in vehicular and pedestrian areas should be assured.

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Alternate Title: Nivation and local glaciation--geomorphological and climatological applications; report on a minisymposium in Abisko, Sep. Gully erosion. - Ravinbildning, över 0.5 m djup/bred. - Rännilar som växt & utvecklats till mer förgrenade mönster. - Finns naturligt i torrområden, men har oftast imentation ponds and basins, gully pots, constructed wetlands, floating treatment dammens utformning/ytbelastning) medföra erosion och resuspension av. ricultural drainage or gully-system. 2.