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Jan 1, 2003 · However, over the last decades, most research dealing with soil erosion by water has concentrated on sheet (interrill) and rill erosion processes operating at the (runoff) plot scale. Relatively few studies have been conducted on gully erosion operating at larger spatial scales.
- Jean Poesen, Jeroen Nachtergaele, Gert Verstraeten, C Valentin
- 2003
May 10, 2024 · Gully erosion, an integrated result of various social and environmental factors, is a severe problem for sustainable development and ecology security in southern China. Currently, the dominant driving forces on gully distribution are shown to vary at different spatial scales. However, few systematic studies have been performed on spatial scaling effects in identifying driving forces for gully ...
Oct 31, 2005 · The objective of this paper is to review recent studies on impacts, factors and control of gully erosion and update the review on ‘gully erosion and environmental change: importance and research needs’ [Poesen et al., 2003. Catena 50 (2–4), 91–134.]. For the farmers, the development of gullies leads to a loss of crop yields and ...
- Christian Valentin, J. Poesen, Y. Li
- 2005
Sep 1, 2016 · The effect of the catchment size on specific soil losses (SSL) from gully erosion in logarithmic scale. a) The SSL dataset for permanent gullies in the short-term (≤ 5 years); b) permanent gullies in the medium and long-term (> 5 years); c) ephemeral gullies; and d) all datasets. For multispatial datasets, all catchments were included in the ...
- C. Castillo, J.A. Gómez
- 2016
Jul 19, 2020 · Gully erosion is one of the world’s major environmental problems, and it is also an important cause of land degradation. To reveal how gully distribution changes with spatial scale and the optimal scale for their evaluation, gullies in northeastern China were visually interpreted via high-resolution imagery, and the methods of geo-spatial statistics and kernel density estimation were used to ...
- Houling Wang, Jun Luo, Wei Qin, Bin Zhang, Hui Liu, Qingchun Deng, Fachao Qin, Fuhua Xuan
- 2021
Jan 31, 2023 · Gully erosion dynamics is a complex phenomenon, usually human-induced, which cannot be described nor predicted using conventional soil erosion models such as USLE or similar. In the early 1980s it was stated that gully initiation and growth could be studied from a purely empirical perspective, because no deductive approach could serve the purpose.
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Dec 31, 2002 · Relatively few studies have been conducted on gully erosion operating at larger spatial scales. Recent studies indicate that (1) gully erosion represents an important sediment source in a range of environments and (2) gullies are effective links for transferring runoff and sediment from uplands to valley bottoms and permanent channels where they aggravate off site effects of water erosion.
