干旱区生态环境知识资源中心(Arid): 近1 ka以来河西地区的沙漠化及对高强度人类活动的响应分析

Arid

	近1 ka以来河西地区的沙漠化及对高强度人类活动的响应分析
其他题名	Response of desertification to intensified human activities over the latest 1 ka in Hexi region
	马俊 1; 牟雪松 1; 王永达 1; 刘文浩 2; 范育新 3
来源期刊	干旱区地理
ISSN	1000-6060
出版年	2018
卷号	41 期号:5 页码:1043-1052
中文摘要	河西地区地处青藏高原区与西北干旱区过渡带,是当下推进一带一路伟大战略建设的重要通道。同时,该地区也是我国沙漠化最严重地区之一。通过对已发表的河西地区风沙堆积事件与历史时期战争、人口数量、降水变化进行综合对比研究,分析了该地区近1 ka以来沙漠化的主导因素。结果显示:(1)在最近1 ka以来,河西地区的沙漠化主要发生在0.91 ka、0.74 ka、0.68 ka、 0.44 ka、0.32 ka、0.24 ka、0.18 ~ 0.12 ka和<0.1 ka时段。(2) 0.91 ka、0.74 ka、0.68 ka、0.44 ka和0.24 ka时段的沙漠化敏感地响应了高强度的战争活动,0.32 ka时段的沙漠化是对区域低降水量的响应。(3)近200 a以来的沙漠化是对人口快速增长的响应。
英文摘要	The mechanism of desertification has always been the hotspot of academic research.The Hexi region,which is located in the transitional zone from the Qinghai-Tibet Plateau to the arid area in Northwestern China,is a key region for construction of the Belt and Road Initiative.Hexi area is the bridge of material and cultural interaction between East and West China during historical period,meanwhile,Hexi is also one of the areas with the most serious desertification in China,the worsening desertification has seriously affected the development of local economy and culture and threatened the smooth implementation of the Belt and Road Initiative.So,grasping the causes and evolution mechanisms of desertification clearly in Hexi area will have great significance in formulating desertification control strategies and controlling desert expansion.The ecology and environment in Hexi area is very sensitive to the intensity of human activities and to climate change,a large number of studies have shown that desertification was controlled by climate change before 3 ka,and then human activities gradually became the dominant factor of desertification after 3 ka.But the way in which human activities affect the desertification process has not been reported.Based on coupling with histories of desertification,warfare,variation of the population and climatic background,this paper analyzed the mechanism of desertification over the past 1 ka.The following results were obtained:(1) During the latest 1 ka,desertification in the Hexi region happened in intervals of 0.91 ka,0.74 ka,0.68 ka,0.44 ka,0.32,0.24 ka,0.18-0.12 ka and <0.1 ka.(2) Desertification sensitively responded to intensified human activities except that happened at around 0.32 ka as a consequence of low precipitation.(3) Desertification during the recent 200 years is a response to rapid growth of human population.Main innovation points of this paper include as follows:(1) There were 8 desertification processes occurred in the Hexi area during the latest 1 ka.(2) the wars occurred in the region was regarded as a strong human activity on desertification in the paper.
中文关键词	沙漠化成因 ; 河西地区 ; 丝绸之路经济带
英文关键词	mechanism of desertification Hexi region the Silk-road Economic Belt
语种	中文
国家	中国
收录类别	CSCD
WOS类目	GEOSCIENCES MULTIDISCIPLINARY
WOS研究方向	Geology
CSCD记录号	CSCD:6345196
来源机构	兰州大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/237608
作者单位	1.兰州大学地质科学与矿产资源学院, 甘肃省西部矿产资源重点实验室, 兰州, 甘肃 730000, 中国; 2.中国科学院兰州文献情报中心, 兰州, 甘肃 730000, 中国; 3.兰州大学地质科学与矿产资源学院;;西部环境教育部重点实验室, 甘肃省西部矿产资源重点实验室;;西部环境教育部重点实验室, 兰州;;兰州, 甘肃;;甘肃 730000;;730000, 中国
推荐引用方式 GB/T 7714	马俊,牟雪松,王永达,等. 近1 ka以来河西地区的沙漠化及对高强度人类活动的响应分析[J]. 兰州大学,2018,41(5):1043-1052.
APA	马俊,牟雪松,王永达,刘文浩,&范育新.(2018).近1 ka以来河西地区的沙漠化及对高强度人类活动的响应分析.干旱区地理,41(5),1043-1052.
MLA	马俊,et al."近1 ka以来河西地区的沙漠化及对高强度人类活动的响应分析".干旱区地理 41.5(2018):1043-1052.