摘要
本文利用伊吾县1961~2020年的气候数据资料,分析了过去60a来伊吾县平均气温、最高气温、最低气温、平均风速、平均相对湿度、降水量及日照时数的多年和季节变化趋势,并用MK突变检验法对伊吾县近60a气候进行突变检验分析。结果表明,在过去60a中,伊吾县年平均和四季平均气温、最高气温、最低气温均呈现出明显上升趋势;年平均和四季平均风速均呈极显著性减小趋势;平均相对湿度尤其是年平均、秋季和冬季平均值增加明显;降水量年值、春季和秋季增加显著;日照时数变化趋势不明显。平均气温、最高气温、最低气温、平均相对湿度及降水量突变年份分别为1993年、1997年、1989年、1975年、1978年,平均风速和日照时数未检测出突变。
Based on the climatic data from 1961 to 2020 in Yiwu County, the multi-year and seasonal trends of the average air temperature, Maximum temperature, minimum temperature, the average wind speed, the average relative humidity, the precipitation and the sunshine hours in Yiwu County in the past 60 years are analyzed. The MK mutation test method was used to analyze the mutation of climate in Yiwu County in recent 60 years. The results show that in the past 60 years, the annual and seasonal average temperature, Maximum temperature, Minimum temperature in Yiwu County had an obvious upward trend. The annual mean wind speed and seasonal mean wind speed showed a significant decreasing trend. The average relative humidity, especially the annual average, autumn and winter average increased significantly. Annual precipitation, spring precipitation and autumn precipitation increased significantly. The changing trend of sunshine hours is not obvious. The mutation of mean temperature, Maximum temperature, Minimum temperature, mean relative humidity and precipitation were found in 1993, 1997, 1989, 1975 and 1978, No mutation was detected in mean wind speed and sunshine hours.
出处
《气候变化研究快报》
2021年第5期503-509,共7页
Climate Change Research Letters
