海日古丽·纳麦提,玉素甫江·如素力,玛地尼亚提·地里夏提,肉克亚木·艾克木

• 1:新疆师范大学地理科学与旅游学院/流域信息集成与生态安全实验室
• 2:新疆干旱区湖泊环境与资源重点实验室

摘要(Abstract)：

为天山中段近地表气温研究提供可靠、空间分辨率较高的数据源,该文以气象站气温数据、再分析气温数据以及遥感数据为主要数据源,采用多元回归模型反演了近地表气温并进行精度验证。在此基础上,揭示天山中段近地表气温时空分布特征及其变化趋势。结果表明:①反演精度与实测值相近,且精度较好。②天山中段近地表气温呈四周高,中部低,平原区高,丘陵、山区低的空间分布格局;年际变化呈先升高后降低,年内呈周期性单峰变化的趋势。③2001—2016年天山中段近地表气温以不显著增加为主,占显著降低的区域甚少。研究结果证明用多元回归模型可以提高近地表气温的遥感反演精度,为今后近地表气温研究提供空间分辨率较高的数据及其获取方法。

关键词(KeyWords)： 近地表气温;天山中段;多元回归模型;时空变化

Abstract:

Keywords:

基金项目(Foundation): NFSC-新疆联合基金项目(U1703341)

作者(Author): 海日古丽·纳麦提,玉素甫江·如素力,玛地尼亚提·地里夏提,肉克亚木·艾克木

DOI: 10.16251/j.cnki.1009-2307.2020.04.014

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