中文版 | English
题名

Effects of agricultural activities on the temporal variations of streamflow: trends and long memory

作者
通讯作者Yang, Chen
发表日期
2019-09
DOI
发表期刊
ISSN
1436-3240
EISSN
1436-3259
卷号33期号:8-9页码:1553-1564
摘要
Effects of agricultural activities on temporal variations in streamflow were investigated based on an integrated hydrological model in the Heihe River Basin (HRB). De-trended fluctuation analysis was conducted using the simulated time series of the daily streamflow at 13 observation points along the Heihe River. Both the original and deseasonalized streamflow were obtained and analyzed. We found that temporal variations of the natural watershed streamflow without the interference of agricultural activities are nonstationary, but become relatively stationary when agricultural activities occur. This indicates a weakened damping effect of the hydrological system on hydrological signals. Agricultural activities mainly affect the trends in streamflow, as the trends may have been gradually removed with increasing agricultural activities. Therefore, long-term correlation of the streamflow decreases and eventually converges to the long memory, which remains invariant under the disturbance of agricultural activities. A practical significance of the results from this study for the water resources management in the agricultural regions is that more attention should be given to the trend identification, especially when predicting extreme hydrological events, such as drought or flood.
关键词
相关链接[来源记录]
收录类别
SCI ; EI
语种
英语
学校署名
第一 ; 通讯
资助项目
Special Funds for the Cultivation of Guangdong College Students' Scientific and Technological Innovation[pdjh0038]
WOS研究方向
Engineering ; Environmental Sciences & Ecology ; Mathematics ; Water Resources
WOS类目
Engineering, Environmental ; Engineering, Civil ; Environmental Sciences ; Statistics & Probability ; Water Resources
WOS记录号
WOS:000485973900004
出版者
EI入藏号
20193207291266
EI主题词
Stream flow ; Time series analysis ; Water resources
EI分类号
Waterways:407.2 ; Water Resources:444 ; Agricultural Equipment and Methods; Vegetation and Pest Control:821 ; Mathematical Statistics:922.2
ESI学科分类
ENGINEERING
来源库
Web of Science
引用统计
被引频次[WOS]:6
成果类型期刊论文
条目标识符http://kc.sustech.edu.cn/handle/2SGJ60CL/25236
专题工学院_环境科学与工程学院
作者单位
1.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Guangdong Prov Key Lab Soil & Groundwater Pollut, Shenzhen 518055, Peoples R China
2.Southern Univ Sci & Technol, Sch Environm Sci & Engn, State Environm Protect Key Lab Integrated Surface, Shenzhen 518055, Peoples R China
3.China Inst Water Resources & Hydropower Res, Dept Water Resources, Beijing 100038, Peoples R China
4.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
第一作者单位环境科学与工程学院
通讯作者单位环境科学与工程学院
第一作者的第一单位环境科学与工程学院
推荐引用方式
GB/T 7714
Chen, Chuke,Tian, Yong,Zhang, You-Kuan,et al. Effects of agricultural activities on the temporal variations of streamflow: trends and long memory[J]. STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT,2019,33(8-9):1553-1564.
APA
Chen, Chuke.,Tian, Yong.,Zhang, You-Kuan.,He, Xin.,Yang, Xiaofan.,...&Yang, Chen.(2019).Effects of agricultural activities on the temporal variations of streamflow: trends and long memory.STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT,33(8-9),1553-1564.
MLA
Chen, Chuke,et al."Effects of agricultural activities on the temporal variations of streamflow: trends and long memory".STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT 33.8-9(2019):1553-1564.
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