气候变暖背景下乌鲁木齐市四季变化特征分析  

Analysis on Four-Season Variation Characteristics in Urumqi City in the Context of Climate Warming

作　　者：柳文光 张保 成鹏[3] 吴利华[4] 

机构地区：[1]新疆维吾尔自治区气候中心,新疆 乌鲁木齐 [2]喀什地区伽师县气象局,新疆 伽师 [3]乌鲁木齐市气象局,新疆 乌鲁木齐 [4]西南林业大学地理与生态旅游学院,云南 昆明

出　　处：《气候变化研究快报》2019年第6期669-674,共6页Climate Change Research Letters

基　　金：达坂城政府基金项目(DKJJ2019010);国家自然科学基金项目(31660167;41671053).

摘　　要：基于乌鲁木齐市4个气象观测站1959~2018年逐日平均气温,根据新疆四季划分标准和5d滑动平均法,对乌鲁木齐市不同区域逐年的四季进行了划分。分析结果表明米东区、城区、达坂城镇区具有明显的四季,而南山中山带仅有春季和冬季。达坂城镇区春季开始日期呈提早趋势,米东区和达坂城镇区夏季开始日期呈提早趋势,米东区秋季开始日期呈推迟趋势,米东区和达坂城镇区冬季开始日期呈推迟趋势。米东区春季日数呈减少趋势,米东区和达坂城镇区夏季日数呈增多趋势,城区秋季日数呈增多趋势,米东区和达坂城镇区冬季日数呈减少趋势。Based on the average daily temperature of 4 meteorological observatories in Urumqi from 1959 to 2018, four seasons in different areas of Urumqi City were analyzed according to Four-Season Division Standard in Xinjiang and the 5d Moving Average Method. The analysis results showed that four seasons were obvious in Midong District, the urban area, and Dabancheng Town area, while the middle part of Nanshan Mountain saw only spring and winter. The starting date of spring was in an early trend in Dabancheng Town area, so did the summer start date in Midong District and Town area, while the start date of autumn in Midong District showed a trend of postponement, so did the winter start date in Midong District and Dabancheng Town area. The number of spring days in Midong District decreased, while the number of summer days in Midong District and Dabancheng Town area increased. The number of autumn days in the urban area increased, while the number of winter days in Midong District and Dabancheng Town area decreased.

关 键 词：四季开始日期 四季日数 线性变化趋势 乌鲁木齐市 

分 类 号：P46[天文地球—大气科学及气象学]