Arid
DOI10.1007/s12665-016-6084-5
Accumulated temperature changes in desert region and surrounding area during 1960-2013: a case study in the Alxa Plateau, Northwest China
Xu, Mengqun; Li, Zhuolun
通讯作者Li, Zhuolun
来源期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
出版年2016
卷号75期号:18
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.


英文关键词Alxa Plateau Desert area Accumulated temperature Climatic change
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000384333000043
WOS关键词CLIMATE-CHANGE ; AGRICULTURE
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
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/2XILL650/192690
作者单位Lanzhou Univ, Coll Earth & Environm Sci, Ctr Desert & Climat Change Arid Reg, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
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]. 兰州大学,2016,75(18).
APA Xu, Mengqun,&Li, Zhuolun.(2016).Accumulated temperature changes in desert region and surrounding area during 1960-2013: a case study in the Alxa Plateau, Northwest China.ENVIRONMENTAL EARTH SCIENCES,75(18).
MLA Xu, Mengqun,et al."Accumulated temperature changes in desert region and surrounding area during 1960-2013: a case study in the Alxa Plateau, Northwest China".ENVIRONMENTAL EARTH SCIENCES 75.18(2016).
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