| 单词 | gully erosion |
| 释义 | > as lemmasgully erosion gully erosion n. the erosion of soil by rainwater forming channels. ΘΚΠ the world > the earth > structure of the earth > formation of features > erosion or weathering > [noun] > soil erosion gulling1567 soil erosion1896 sheet erosion1917 gully erosion1928 truncation1941 1928 Proc. 1st. Internat. Congr. Soil Sci. VI. 755 That phase of normal gully erosion which gradually cuts out V-shaped ravines usually not excessively deep. 1937 E. J. Russell Soil Conditions & Plant Growth (ed. 7) viii. 579 The erosion takes two forms: sheet erosion, which goes on slowly and evenly over a large area, and gulley erosion, which is more localised and washes out the soil into great gulleys or ravines. < as lemmas |
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