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Air Temperature Change in the Southern Tarim River Basin China 1964–2011

机译:1964–2011年塔里木河南流域的气温变化

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摘要

The temperature data from 3 meteorological stations (Kashi, Ruoqiang, and Hotan) in the South of Tarim River Basin (STRB) during 1964–2011 were analyzed by Mann-Kendall test and correlation analysis. The results from Mann-Kendall test show that the surface temperature (ST), 850 hPa temperature (T850), and 700 hPa temperature (T700) exhibited upward trends, while 300 hPa temperature (T300) revealed a downward trend. On the whole, the change rate of ST, T850, T700, and T300 was 0.26~0.46°C/10a, 0.15~0.40°C/10a, 0.03~0.10°C/10a, and −0.38~−0.13°C/10a, respectively. For the periods, ST and T850 declined during 1964–1997 and then rose during 1998–2011. T700 declined during 1964–2005 and then rose during 2006–2011, while T300 rose from 1964 to 1970s and then declined. The results from correlation analysis show that T850 and T700 positively correlated with ST (P < 0.01) at the all three stations and there was a negative correlation between T300 and ST at Hotan (P < 0.1), while the correlation is not significant at Kashi and Ruoqiang. The results indicate that there were gradient differences in the response of upper-air temperature (UT) to ST change.
机译:通过Mann-Kendall检验和相关分析,分析了塔里木河流域南部(STRB)1964-2011年的3个气象站(喀什,若Ru和和​​田)的温度数据。 Mann-Kendall试验的结果表明,表面温度(ST),850 hPa温度(T850)和700 hPa温度(T700)呈上升趋势,而300 hPa温度(T300)呈下降趋势。总体而言,ST,T850,T700和T300的变化率分别为0.26〜0.46°C / 10a,0.15〜0.40°C / 10a,0.03〜0.10°C / 10a和-0.38〜-0.13°C /分别为10a。在此期间,ST和T850在1964–1997年期间下降,然后在1998–2011年期间上升。 T700在1964–2005年期间下降,然后在2006–2011年期间上升,而T300在1964年至1970年代上升,然后下降。相关分析结果表明,T850和T700在所有三个站点上均与ST正相关(P <0.01),和田地区T300与ST之间呈负相关(P <0.1),而喀什的相关性不显着。还有若qi结果表明,高空温度(UT)对ST变化的响应存在梯度差异。

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