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题名: Accumulated temperature changes in desert region and surrounding area during 1960–2013: a case study in the Alxa Plateau, Northwest China
作者: Xu, Mengqun; Li, Zhuolun
收录类别: SCIE ; EI
出版日期: 2016-09-01
刊名: Environmental Earth Sciences
卷号: 75, 期号:18
出版者: SPRINGER
出版地: NEW YORK
英文摘要: Based on the data of the Alxa desert region and 27 meteorological stations recorded by 1960-2013, T >= 0 and T >= 10 degrees C accumulated temperatures were analyzed by using sliding average, linear regression, Mann-Kendall abrupt change test, and kriging interpolation methods. The results show that the T >= 0 degrees C accumulated temperature increased significantly by 9.94 degrees C/a and that of the T >= 10 degrees C increased by 8.88 degrees C/a during 1960-2013. The increases in the eastern study area were the most obvious, followed by those in the western and central regions. Additionally, the trends of these regions were highly consistent with that of the entire study area. The accumulated temperatures in the study area increased modestly prior to the 1980s, after which time a fairly steady climb began during the late 1980s. The two abrupt change points of T >= 0 and T >= 10 degrees C were in 1996 and 1998, respectively. Additionally, the accumulated temperatures increased significantly around 2000. The analysis shows that higher accumulated temperature occurred in the Alxa desert region than in the surrounding area. The distribution of increases in T >= 0 and T >= 10 degrees C accumulated temperatures around the study area presented varying spatial differentiation. For T >= 0 degrees C accumulated temperature, an increase at the edge of the Tengger desert was the most obvious. T >= 10 degrees C accumulated temperature exhibited a smaller increase than that of T >= 0 degrees C. In addition, the smallest amplitude of temperature increase was measured in the central Alxa desert region and in the surrounding area.
关键词: Alxa Plateau ; Desert area ; Accumulated temperature ; Climatic change
作者部门: (1) College of Earth and Environmental Sciences, Center for Desert and Climatic Change in Arid Region, Lanzhou University, Lanzhou ; 730000, China
通讯作者: Li, ZL (reprint author), Lanzhou Univ, Coll Earth & Environm Sci, Ctr Desert & Climat Change Arid Reg, Lanzhou 730000, Peoples R China.
学科分类: Environmental Sciences & Ecology; Geology; Water Resources
文章类型: Article
所属项目编号: National Natural Science Foundation of China [J1210065, 41301217]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1007/s12665-016-6084-5
ISSN号: 1866-6280
WOS记录号: WOS:000384333000043
EI记录号: 20163902840340
IR记录号: 20163902840340
第一机构:
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/182374
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Xu, Mengqun,Li, Zhuolun. Accumulated temperature changes in desert region and surrounding area during 1960–2013: a case study in the Alxa Plateau, Northwest China[J]. Environmental Earth Sciences,2016,75(18).
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