Human settlement and changes in the distribution of river systems in the Minqin Basin over the past 2000 years in Northwest China

作     者：Yaowen Xie Qiang Bie Chansheng He 

作者机构：School of Earth and Environmental ScienceLanzhou UniversityLanzhouChina The Key Laboratory of Western China’s Environmental SystemsMinistry of Education(MOE)LanzhouChina Center for Dryland Water Resources Research and Watershed ScienceLanzhou UniversityLanzhouChina 

出 版 物：《Ecosystem Health and Sustainability》 (生态系统健康与可持续性（英文）)

年 卷 期：2017年第3卷第11期

页      面：2-13页

核心收录：

学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学] 

基　　金：This study was partially supported by Natural Science Foundation of China(NSFC Grants:41471163 41530752 91025010 and 40401060) 

主　　题：Minqin Basin Chinese Dynasties human settlement utilization of water resources drainage pattern 

摘      要：Introduction:Arid area is an important base for human settlement,however,long and drastic human activities have altered the drainage patterns in the arid watersheds significantly,causing serious ecological *** study,through a case study of the Minqin Basin,a microcosm of the artificial oases in the arid northwest China,used the multitypes of data to recover the spatial distribution of human settlement and drainage patterns during historical period and analyze the relationship between them over the past 2000 ***:Before the Han Dynasty(121 BC),the utilization of water resources in the Minqin Basin was in the primitive stage and the drainage pattern maintained the natural *** the Han(121 BC-220)to the Wei-Jin Dynasties(220-316),the utilization of water resources intensified unprecedentedly,but the natural shape of the river systems was still *** the following 1,000 years or so,the drainage pattern was in the state of“following its own coursedue to the small human *** the Ming Dynasty(1368-1644),with the alteration of the main rivers,the water resource utilization increased obviously,but the human reclamations were mainly confined to the southern part of the *** the Qing Dynasty(1644-1911),the reclamation of the Liulin Lake area significantly changed the drainage patterns,resulted in the drastically northward expansion of human *** the foundation of the People’s Republic of China(PRC)in 1949,the artificial water system completely replaced the natural water system and intensified the ecological problems in the ***:The changes over the past 2000 years show the drastic impacts of human activities on the alterations of the drainage patterns and related ecological problems in the arid Northwest ***:Rehabilitation of such ecological impairments requires both ecological restoration projects and changes in human paradigm and behavior over multiple temporal and spatial scales.