WANG Jinhua, LI Zhanbin, YAO Wenyi, DONG Guotao. Influence of Vegetation on Runoff and Sediment in Wind-water Erosion Crisscross Region in the Upper Yellow River of China[J]. Chinese Geographical Science, 2017, 27(4): 569-576. doi: 10.1007/s11769-016-0829-7
Citation: WANG Jinhua, LI Zhanbin, YAO Wenyi, DONG Guotao. Influence of Vegetation on Runoff and Sediment in Wind-water Erosion Crisscross Region in the Upper Yellow River of China[J]. Chinese Geographical Science, 2017, 27(4): 569-576. doi: 10.1007/s11769-016-0829-7

Influence of Vegetation on Runoff and Sediment in Wind-water Erosion Crisscross Region in the Upper Yellow River of China

doi: 10.1007/s11769-016-0829-7
Funds:  Under the auspices of National Basic Research Program of China (No. 2011CB403303), Innovation Scientists and Technicians Troop Construction Projects of Henan Province (No. 162101510004), Foundation of Yellow River Institute of Hydraulic Research of China (No. HKY-2011-15)
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  • Corresponding author: WANG Jinhua.E-mail:wangjh_yr@126.com
  • Received Date: 2015-11-30
  • Rev Recd Date: 2016-03-15
  • Publish Date: 2017-08-27
  • All characteristics of vegetation, runoff and sediment from 1960 to 2010 in the Xiliu Gully Watershed, which is a representative watershed in wind-water erosion crisscross region in the upper reaches of the Yellow River of China, have been analyzed in this study. Based on the remote sensing image data, and used multi-spectral interpretation method, the characteristics of vegetation variation in the Xiliu Gully Watershed have been analyzed. And the rules of precipitation, runoff and sediment's changes have been illuminated by using mathematical statistics method. What's more, the influence mechanism of vegetation on runoff and sediment has been discussed by using the data obtained from artificial rainfall simulation test. The results showed that the main vegetation type was given priority to low coverage, and the area of the low vegetation coverage type was reducing year by year. On the country, the area of the high vegetation coverage type was gradually increasing. In a word, vegetation conditions had got better improved since 2000 when the watershed management project started. The average annual precipitation of the river basin also got slightly increase in 2000-2010. The average annual runoff reduced by 37.5%, and the average annual sediment reduced by 73.9% in the same period. The results of artificial rainfall simulation tests showed that the improvement of vegetation coverage could increase not only soil infiltration but also vegetation evapotranspiration, and then made the rainfall-induced runoff production decrease. Vegetation root system could increases the resistance ability of soil to erosion, and vegetation aboveground part could reduce raindrop kinetic energy and splash soil erosion. Therefore, with the increase of vegetation coverage, the rainfall-induced sediment could decrease.
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    [2] Chen Huaiwei, Ren Qingshan, Cao Yingmen, 2008. Dam System program and conservation benefit analysis in Loess Hilly in West Liugou Watershed. Inner Mongolia Water Resources, 29(4): 69-70. (in Chinese)
    [3] Gao Yong, Dang Xiaohong, Yu Yi et al., 2016. Effects of tillage methods on soil carbon and wind erosion. Land Degradation & Development, 27(3): 583-591. doi: 10.1002/ldr.2404
    [4] Guo Junquan, Liu Min, Wang Wenlong, 2012. Experimental study on upslope runoff effects on ephemeral gully erosion processes. Journal of Soil and Water Conservation, 26(3): 49-52. (in Chinese). doi: 10.13870/j.cnki.stbcxb.2012.03.013
    [5] Jin Cui, Zhang Bo, Song Kaishan et al., 2009. RS-based analysis on the effects of land use/cover change on regional evapotranspiration—A case study in Qian'an County, Jilin Province. Arid Zone Research, 26(5): 734-743. (in Chinese). doi: 10.13866/j.azr.2009.05.020
    [6] Li Qiang, Li Zhanbin, You Yang et al., 2007. Study on the effect of vegetation patterns on runoff and sediment production filed in slope. Journal of Water Resources & Water Engineering, 18(5): 31-34. (in Chinese). doi:10.3969/j.issn.1672-643X. 2007.05.008
    [7] Liu Mingliang, Tian Hanqin, Chen Guangsheng et al., 2008. Effects of land-use and land-cover change on evapotranspiration and water yield in China during 1900-2000. Journal of the American Water Resources Association, 44(5): 1193-1207. doi: 10.1111/j.1752-1688.2008.00243.x
    [8] Liu Zhen, 2013. National survey of soil and water conservation and its application. China Water Conservancy, (7): 25-27, 13. (in Chinese). doi: 10.3969/j.issn.1000-0941.2013.10.004
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Influence of Vegetation on Runoff and Sediment in Wind-water Erosion Crisscross Region in the Upper Yellow River of China

doi: 10.1007/s11769-016-0829-7
Funds:  Under the auspices of National Basic Research Program of China (No. 2011CB403303), Innovation Scientists and Technicians Troop Construction Projects of Henan Province (No. 162101510004), Foundation of Yellow River Institute of Hydraulic Research of China (No. HKY-2011-15)
    Corresponding author: WANG Jinhua.E-mail:wangjh_yr@126.com

Abstract: All characteristics of vegetation, runoff and sediment from 1960 to 2010 in the Xiliu Gully Watershed, which is a representative watershed in wind-water erosion crisscross region in the upper reaches of the Yellow River of China, have been analyzed in this study. Based on the remote sensing image data, and used multi-spectral interpretation method, the characteristics of vegetation variation in the Xiliu Gully Watershed have been analyzed. And the rules of precipitation, runoff and sediment's changes have been illuminated by using mathematical statistics method. What's more, the influence mechanism of vegetation on runoff and sediment has been discussed by using the data obtained from artificial rainfall simulation test. The results showed that the main vegetation type was given priority to low coverage, and the area of the low vegetation coverage type was reducing year by year. On the country, the area of the high vegetation coverage type was gradually increasing. In a word, vegetation conditions had got better improved since 2000 when the watershed management project started. The average annual precipitation of the river basin also got slightly increase in 2000-2010. The average annual runoff reduced by 37.5%, and the average annual sediment reduced by 73.9% in the same period. The results of artificial rainfall simulation tests showed that the improvement of vegetation coverage could increase not only soil infiltration but also vegetation evapotranspiration, and then made the rainfall-induced runoff production decrease. Vegetation root system could increases the resistance ability of soil to erosion, and vegetation aboveground part could reduce raindrop kinetic energy and splash soil erosion. Therefore, with the increase of vegetation coverage, the rainfall-induced sediment could decrease.

WANG Jinhua, LI Zhanbin, YAO Wenyi, DONG Guotao. Influence of Vegetation on Runoff and Sediment in Wind-water Erosion Crisscross Region in the Upper Yellow River of China[J]. Chinese Geographical Science, 2017, 27(4): 569-576. doi: 10.1007/s11769-016-0829-7
Citation: WANG Jinhua, LI Zhanbin, YAO Wenyi, DONG Guotao. Influence of Vegetation on Runoff and Sediment in Wind-water Erosion Crisscross Region in the Upper Yellow River of China[J]. Chinese Geographical Science, 2017, 27(4): 569-576. doi: 10.1007/s11769-016-0829-7
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