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ANALYSIS OF CLIMATE VARIABILITY IN THE JINSHA RIVER VALLEY
He Yun-ling; Zhang Yi-ping; Wu Zhi-jie
2016
Source PublicationJOURNAL OF TROPICAL METEOROLOGY
Volume22Issue:2Pages:243-251
AbstractMonthly mean surface air temperatures and precipitation at 20 meteorological stations in the Jinsha River Valley (JRV) of southwest China were analyzed for temporal-spatial variation patterns during the period 1961-2010. The magnitude of a trend was estimated using Sen's Nonparametric Estimator of Slope approach. The statistical significance of a trend was assessed by the MK test. The results showed that mean annual air temperature has been increasing by 0.08 degrees C /decade during the past 50 years as a whole. The climate change trend in air temperature was more significant in the winter (0.13 degrees C/decade) than in the summer (0.03 degrees C/decade). Annual precipitation tended to increase slightly thereafter and the increasing was mainly during the crop-growing season. Both the greatest variation of the annual mean temperature and annual precipitation were observed at the dry-hot valley area of middle reaches. Significant warming rates were found in the upper reaches whereas the dry-hot basins of middle reaches experienced a cooling trend during the past decades. Despite of the overall increasing in precipitation, more obvious upward-trends were found in the dry-hot basins of middle reaches whereas the upper reaches had a drought trend during the past decades.
KeywordTemperature Precipitation Trend Analysis Climate Change Jinsha River Valley
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/9895
Collection全球变化研究组
Recommended Citation
GB/T 7714
He Yun-ling,Zhang Yi-ping,Wu Zhi-jie. ANALYSIS OF CLIMATE VARIABILITY IN THE JINSHA RIVER VALLEY[J]. JOURNAL OF TROPICAL METEOROLOGY,2016,22(2):243-251.
APA He Yun-ling,Zhang Yi-ping,&Wu Zhi-jie.(2016).ANALYSIS OF CLIMATE VARIABILITY IN THE JINSHA RIVER VALLEY.JOURNAL OF TROPICAL METEOROLOGY,22(2),243-251.
MLA He Yun-ling,et al."ANALYSIS OF CLIMATE VARIABILITY IN THE JINSHA RIVER VALLEY".JOURNAL OF TROPICAL METEOROLOGY 22.2(2016):243-251.
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