Reduced Runoff Due to Anthropogenic Intervention in the Loess Plateau, China
Li, Yanzhong1,2; Liu, Changming1; Zhang, Dan3; Liang, Kang1; Li, Xinan4; Dong, Guotao5
Source PublicationWATER
Corresponding AuthorLiang, Kang(liangk@igsnrr.ac.cn)
AbstractTo maintain the sustainable utilization of water resources and reduce soil erosion in the Loess Plateau, the Chinese government has adopted a number of environmental restoration strategies since 1999, including the Grain for Green Project (GFGP) and the Natural Forest Conservation Program; these large projects greatly alter the regional water cycle. Detecting runoff changes and quantitatively assessing the contribution of anthropogenic activities (including land use/cover change (LUCC) and water diversion) and climate change (including potential evaporation and precipitation) are imperative for implementing sustainable management strategies. Using observed records from 15 hydrological stations and 85 national meteorological stations from 1980 to 2013, the decomposition method, based on the Budyko hypothesis, is used to quantify the impact of climate variation and anthropogenic interference on annual runoff for the 12 catchments in the Loess Plateau. The results show the following: (1) the observed annual runoff exhibited a negative trend in all 12 catchments (significant in eight catchments) with a range of 1.94 to 0.16 mm.year(-1) and exhibited a substantial difference before and after 1999; (2) the sensitivity of runoff to vegetation change, precipitation, and potential evapotranspiration increased in most catchments after 1999, indicating that great challenges and uncertainties might be introduced to regional water resource availability; and (3) the anthropogenic interference, particularly LUCC caused by forest strategies, has become the main contribution to runoff change. We suggest that more attention should be given to water resource availability and that the hydrologic consequences of revegetation should be taken into account in future management.
KeywordLoess Plateau runoff reduction anthropogenic interference elasticity method Budyko hypothesis
Indexed BySCI
Funding ProjectNatural Science Foundation of China[41330529] ; Natural Science Foundation of China[41501032] ; Natural Science Foundation of China[41571024] ; Natural Science Foundation of China[41301496] ; Natural Sciences Foundation of Jiangsu Province[BK20141059] ; Planning of Technology in Guizhou - Guizhou Science and Technology Project[[2015]3006]
Funding OrganizationNatural Science Foundation of China ; Natural Sciences Foundation of Jiangsu Province ; Planning of Technology in Guizhou - Guizhou Science and Technology Project
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000389659200043
PublisherMDPI AG
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiang, Kang
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Watershed Geog Sci, Nanjing 210000, Jiangsu, Peoples R China
4.Guizhou Survey, Design Res Inst Water Resources & Hydropower, Guiyang 550000, Peoples R China
5.Yellow River Conservancy Commiss, Yellow River Inst Hydraul Res, Zhengzhou 450003, Peoples R China
Recommended Citation
GB/T 7714
Li, Yanzhong,Liu, Changming,Zhang, Dan,et al. Reduced Runoff Due to Anthropogenic Intervention in the Loess Plateau, China[J]. WATER,2016,8(10):16.
APA Li, Yanzhong,Liu, Changming,Zhang, Dan,Liang, Kang,Li, Xinan,&Dong, Guotao.(2016).Reduced Runoff Due to Anthropogenic Intervention in the Loess Plateau, China.WATER,8(10),16.
MLA Li, Yanzhong,et al."Reduced Runoff Due to Anthropogenic Intervention in the Loess Plateau, China".WATER 8.10(2016):16.
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