ANALYSIS OF CLIMATE VARIABILITY IN THE JINSHA RIVER VALLEY | |
He Yun-ling ; Zhang Yi-ping ; Wu Zhi-jie | |
刊名 | JOURNAL OF TROPICAL METEOROLOGY
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2016 | |
卷号 | 22期号:2页码:243-251 |
关键词 | temperature precipitation trend analysis climate change Jinsha River Valley |
中文摘要 | Monthly 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. |
公开日期 | 2016-07-05 |
内容类型 | 期刊论文 |
源URL | [http://ir.xtbg.org.cn/handle/353005/9895] ![]() |
专题 | 西双版纳热带植物园_全球变化研究组 |
推荐引用方式 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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