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Warm-induced aridification in eastern Inner Mongolia evidenced bytree rings
Sun,B(Sun,Bo)1,2; Liu,Y(Liu,Yu)2,3; Lei,Y(Lei,Ying)2; Guo,LX(Guo,Lingxia)1; Liu,Yu
2017-03
发表期刊Dendrochronologia
卷号42期号:2017页码:73-79
文章类型期刊论文
摘要To explore the relationship of long-term drought variations with climate warming, the relative humidity from April to September (RH49) in eastern Inner Mongolia was reconstructed based on tree-ring width over the past 135 years. There was also good correlation between the ring-width index and the average April–September temperature at a low frequency. The dry and wet periods in the reconstruction generally coincided with other nearby reconstructions and corresponded with warm and cold periods, respectively, indicating that the low-frequency reconstruction could reflect decadal temperature variations in the study area. It was also found that there was significant correlation between RH49 and temperature on decadal scale, while for RH49 and precipitation, they correlated well on annual scale. Temperature dominates the trend in RH49 at low frequency, and precipitation affects the annual variations. The profound drying trend since 1950 AD in the study area resulted from a large warming component, which outweighed the slight reduction in precipitation. In addition to the land surface temperature influencing drought conditions via water evaporation, the sea surface temperature of the Pacific Ocean may also have affected drought conditions in the study area by dominating water vapor sources. Therefore, temperature is the main cause of regional drought tendencies.
关键词Tree Ring Relative Humidity Warm Drought Eastern Inner Mongolia
DOI10.1016/j.dendro.2017.01.006
收录类别SCI
所属项目编号15JK1796 ; Historical Geography 0602SZXKY1302 ; SKLLQG1316 ; 12XSYK0310
语种英语
项目资助者Scientific Research Plan Projectsof Shaanxi Education Department ; Scientific Research Plan Projectsof Shaanxi Education Department ; Dominant Discipline Construction Projects of Shaanxi ; Dominant Discipline Construction Projects of Shaanxi ; State Key Laboratory of Loess and QuaternaryGeology ; State Key Laboratory of Loess and QuaternaryGeology ; Specialized Research Fund Projectof Xianyang Normal University ; Specialized Research Fund Projectof Xianyang Normal University
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5629
专题现代环境研究室
通讯作者Liu,Yu
作者单位1.School of Resources, Environment and Historical Culture, Xianyang Normal University, Xianyang, China
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China
3.Joint Center for Global Change Studies (JCGCS), Beijing, China
4.School of Human Settlements and Civil Engineering, Xi’an, Jiaotong University, Xi’an, China
第一作者单位黄土与第四纪地质国家重点实验室(1985-2004)
推荐引用方式
GB/T 7714
Sun,B,Liu,Y,Lei,Y,et al. Warm-induced aridification in eastern Inner Mongolia evidenced bytree rings[J]. Dendrochronologia,2017,42(2017):73-79.
APA Sun,B,Liu,Y,Lei,Y,Guo,LX,&Liu,Yu.(2017).Warm-induced aridification in eastern Inner Mongolia evidenced bytree rings.Dendrochronologia,42(2017),73-79.
MLA Sun,B,et al."Warm-induced aridification in eastern Inner Mongolia evidenced bytree rings".Dendrochronologia 42.2017(2017):73-79.
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