Arid
DOI10.1007/s11629-018-4837-1
Spatiotemporal variability of precipitation during 1961-2014 across the Mongolian Plateau
Qin Fu-ying1,2; Jia Gen-suo3; Yang Jie1; Na Yin-tai4; Hou Mei-ting5; Narenmandula2
通讯作者Jia Gen-suo
来源期刊JOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
出版年2018
卷号15期号:5页码:992-1005
英文摘要

Precipitation is the dominant factor that controls vegetation growth and land-use practices in the arid and semiarid Mongolian Plateau (MP), so the spatiotemporal heterogeneity of precipitation change has been an important scientific question in the region. This study investigated the spatiotemporal characteristics of annual and seasonal precipitation across the entire MP based on monthly precipitation data from 136 meteorological stations during 1961-2014 by using a modified Mann-Kendall test, Sen’s slope, Morlet Wavelet Transform, and geostatistical methods. Results show the following: 1) Annual precipitation decreased slightly from 1961 to 2014. Stations with positive and negative trends were 41.9% and 58.1%, respectively. Significant positive trends were mainly in the southwestern and northeastern regions of the plateau, whereas significant negative trends were in the northern and southeastern regions. 2) Precipitation decreased at rates of -5.65 and -0.41 mm/decade in summer and autumn, respectively, but increased at 1.91 and 0.51 mm/decade in spring and winter. The contribution of spring and winter precipitation to the annual amount increased significantly, but that of summer precipitation decreased significantly. 3) A large majority of stations (80.2%) showed decreasing trends in summer, whereas 89.7% and 83.1% of stations showed increasing trends in spring and winter. The spatial distribution of trend magnitude in seasonal precipitation amount was strongly heterogeneous. 4) By climatic zones, precipitation increased in humid and arid zones, but decreased in a semiarid zone. On the whole, the MP experienced a drying trend, with significant regional differentiation and seasonal variations.


英文关键词Precipitation Interannual trends Seasonal variability Spatiotemporal characteristics Mongolian Plateau
类型Article
语种英语
国家Peoples R China ; Japan
收录类别SCI-E
WOS记录号WOS:000431989800006
WOS关键词SUMMER PRECIPITATION ; INNER-MONGOLIA ; TRENDS ; CHINA ; TEMPERATURE ; VEGETATION ; REGIONS ; ASIA
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构中国科学院大气物理研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211175
作者单位1.Inner Mongolia Univ, Sch Ecol & Environm, Hohhot 010021, Peoples R China;
2.Inner Mongolia Normal Univ, Coll Geog Sci, Hohhot 010022, Peoples R China;
3.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temperate East Asia, Beijing 100029, Peoples R China;
4.Rakuno Gakuen Univ, Grad Sch Dairy Sci, Ebetsu, Hokkaido 0698501, Japan;
5.China Meteorol Adm Training Ctr, Beijing 100081, Peoples R China
推荐引用方式
GB/T 7714
Qin Fu-ying,Jia Gen-suo,Yang Jie,et al. Spatiotemporal variability of precipitation during 1961-2014 across the Mongolian Plateau[J]. 中国科学院大气物理研究所,2018,15(5):992-1005.
APA Qin Fu-ying,Jia Gen-suo,Yang Jie,Na Yin-tai,Hou Mei-ting,&Narenmandula.(2018).Spatiotemporal variability of precipitation during 1961-2014 across the Mongolian Plateau.JOURNAL OF MOUNTAIN SCIENCE,15(5),992-1005.
MLA Qin Fu-ying,et al."Spatiotemporal variability of precipitation during 1961-2014 across the Mongolian Plateau".JOURNAL OF MOUNTAIN SCIENCE 15.5(2018):992-1005.
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