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气象:2005,31(2):51-55
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近50年来海南岛西部气候变化初步研究
(1.华南师范大学地理系,广州 510631;2.佛山科技学院旅游与资源环境系)
A Study of Climate Variability in Western Hainan Island for Last 50 Years
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中文摘要: 根据海南岛西部1951~2000年气温及降水资料,运用一元线性回归、相关分析等数理统计学方法,对海南岛西部近50年来气候变化做了分析。分析表明:近50年来海南岛西部年均气温呈上升趋势,增温率为0。24℃/10a,90年代增温尤其明显。不同季节气温的变化趋势不同,冬季变暖趋势最明显。根据近50年冷暖波动情况,可将海南岛西部气候划分成两个冷期和两个暖期。近50年历年降水量则呈下降趋势,变幅为-23。93mm/10a ,其中80年代降水最少。各季节中,春、秋、冬季降水呈上升趋势。近50年海南岛西部降水变化可分为三个多雨期和三个少雨期。
Abstract:According to the data of temperature and precipitation in the West of Hainan Island from 1951 to 2000, the climatic change of the West of Hainan Island is analyzed .The results show that the temperature for the last 50 years appears to be going up(0.24℃/10a), especially during the period of 1990s. The warming trend in winter is more than that in other seasons. For this reason, the climate of the West of Hainan Island could be divided into 3 cold periods and 4 warm periods. Furthermore, the precipitation in the West of Hainan Island for the last 50 years appears to decrease (-23 93mm/10a), but the precipitation in spring, autumn and winter appears to increase.
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基金项目:国家自然科学基金项目(40271012)资助
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引用文本:
林培松,李森,李保生,2005.近50年来海南岛西部气候变化初步研究[J].气象,31(2):51-55.
,2005.A Study of Climate Variability in Western Hainan Island for Last 50 Years[J].Meteor Mon,31(2):51-55.