干旱区生态环境知识资源中心(Arid): 基于标准化降水指数的北疆地区近52年旱涝变化特征

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	基于标准化降水指数的北疆地区近52年旱涝变化特征
其他题名	Analysis on Spatiotemporal Characteristics of Drought-Flood Based on Standard Precipitation Index in Northern Xinjiang in Recent 53 Years
	罗那那; 巴特尔·巴克; 吴燕锋
来源期刊	水土保持研究
ISSN	1005-3409
出版年	2017
卷号	24 期号:2 页码:293-299
中文摘要	21世纪以来极端气候事件频发,其中旱涝灾害对人类影响最为明显。该研究以北疆为例,选用标准化降水指数SPI(Standard Precipitation Index)为干旱指标,基于北疆地区23个气象站的1961-2012年逐月降水数据,运用趋势分析法、EOF法、REOF法和ArcGIS中的Kring插值工具,对其旱涝时空变化特征进行了研究。结果表明:过去52a北疆地区气候呈湿润化趋势,年代和年际尺度上,干旱逐渐减少,雨涝则逐渐增多。年际尺度上,北疆地区不同时间尺度的SPI都呈增加趋势,表明其湿润化的趋势加强。年代尺度上,1960s和1970s干旱频次大于雨涝频次,而在1980s-2000s雨涝频次大于干旱频次。且北疆地区的旱涝在区域空间分布上呈现四种差异型,并以此划分为四个旱涝区域:北部地区(降水适宜区)、东部地区(极度干旱区)、西部地区(干旱区)和中部地区(雨涝区)。季节尺度上,中部的石河子、托里、克拉玛依和北部的福海地区都是相对湿润区域,东部的青河、北塔山和奇台地区则是相对干旱的区域。
英文摘要	Since the beginning of the 21 st century,frequent extreme weather events have occurred under a background of global climate change.This pattern reflects that the characteristics of climate change and drought and floods are one of the most serious disaster impacts on human beings.Exploring the relationship between climate change and drought/flood disasters using climate change performance characteristics has become a prime research issue.Drought/flood events have frequently taken place in northern Xinjiang,however, few studies have concerned drought and flood assessment in this area.The characteristics of drought and flood in northern Xinjiang was analyzed based on monthly precipitation data of 23 meteorological stations from 1961 to 2012 by means of different scales of standard precipitation index,combining with trend analysis,GIS spatial analysis techniques,EOF and REOF method.The results showed that there was a significantly humid trend in northern Xinjiang over the past 52 years.The frequency of drought decreased continuously during that period and specially presented the more frequency of flood from 1961 to 1980,whereas the frequency of flood continuously increased during that period and specially presented the more frequency of flood from 1981 to 2012.There were three types of spatial distribution of drought and flood in this area,which were divided into three regions:northern area(precipitation comfort zone),eastern area(extreme arid area),western area(arid area)and mid-area (waterlogging area).Similarly,Shehezi,Tuoli and Kelamayi regions are located at the center of Xinjiang and tend to be waterlogging all the year,Qinghe,Beitashan and Qitai regions are located in the eastern areas which were easy to be dry.
中文关键词	北疆地区 ; 旱涝 ; 变化特征
英文关键词	SPI standard precipitation index(SPI) northern Xinjiang drought-flood variation
语种	中文
国家	中国
收录类别	CSCD
WOS类目	METEOROLOGY ATMOSPHERIC SCIENCES
WOS研究方向	Meteorology & Atmospheric Sciences
CSCD记录号	CSCD:5930104
来源机构	新疆农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/236697
作者单位	新疆农业大学草业与环境科学学院, 乌鲁木齐, 新疆 830052, 中国
推荐引用方式 GB/T 7714	罗那那,巴特尔·巴克,吴燕锋. 基于标准化降水指数的北疆地区近52年旱涝变化特征[J]. 新疆农业大学,2017,24(2):293-299.
APA	罗那那,巴特尔·巴克,&吴燕锋.(2017).基于标准化降水指数的北疆地区近52年旱涝变化特征.水土保持研究,24(2),293-299.
MLA	罗那那,et al."基于标准化降水指数的北疆地区近52年旱涝变化特征".水土保持研究 24.2(2017):293-299.