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[1]ZHU Dayun,XIONG Kangning,DONG Xiaochao.Spatiotemporal Change of Surface Temperature over the Last 57 Years in Guizhou Province[J].Research of Soil and Water Conservation,2018,25(04):168-173,180.

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Spatiotemporal Change of Surface Temperature over the Last 57 Years in Guizhou Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 04 Page number: 168-173,180 Column: Public date: 2018-06-13

Title:: Spatiotemporal Change of Surface Temperature over the Last 57 Years in Guizhou Province

Author(s):: ZHU Dayun^1,2, XIONG Kangning^1,2, DONG Xiaochao^1,2; 1. School of Karst, Guizhou Normal University, Guiyang 550001, China;
2. State Key Engineering Technology Research Center for Karst Rocky Desertification Rehabilitation, Guiyang 550001, China

Keywords:: temperature variation; spatial and temporal characteristics; wavelet analysis; Guizhou Province

CLC:: P468

DOI:: -

Abstract:: Temperature is one of the most important elements in climate change studies, and has an important influence on the regional ecological environment. Based on monthly temperature data from 19 stations in Guizhou Province during 1960—2016, the characteristics of temperature change were analyzed by using the linear regression, Mann-Kendall test, Wavelet analysis methods. The results are indicated as follows. (1) There was a significant climate warming trend for annual and seasonal temperatures in Guizhou Province in recent 57 years, the heating rates of annual, spring, summer, autumn and winter are 0.13℃/decade, 0.11℃/decade，0.09℃/decade，0.18℃/decade，0.17℃/decade, respectively, and the warming presented the accelerated trend since entering the 21st century. However, the spatial distribution showed a high heterogeneity, and the warming region and the cooling region coexisted. (2) An abrupt change of the annual and autumn temperature wavelike rising tendency in 2001 was detected by M-K test, with the spring and winter average temperature abrupt changing in 2005, 1987, respectively, but there was no abrupt change point of summer average temperature. (3) The characteristics of periodic oscillation in Guizhou Province were not obvious, and there was lack of full time domain oscillation. Winter temperature change was more complex, which also had oscillation periods of 5~7 years and 10~15 years.

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