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我国光学干涉仪对中高层大气风场的首次观测 被引量:12

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摘要 子午工程光学干涉仪安装在河北省境内的国家天文台兴隆园区(40.2°N,117.4°E),于2010年4月开始观测运行,探测峰值高度在87,98和250km的OH892.0,OI557.7和OI630.0nm的气辉辐射.设备从4月5日到5月12日共38d的观测运行表明,光学干涉仪成功地进行了中高层大气风场的地基观测,获得了大气风场的观测数据.分析结果表明:风场数据具有非常明显的逐日变化,观测期间内,在87,98,250km高度区域内的经向风和纬向风的平均值分别处在-16.5~8.7和-5.4~7.6m/s,-24.4~15.9和2.3~23.0m/s,-43.6~1.5和-22.6~49.3m/s之间.与HWM93模式结果比较,87和98km峰值高度的气辉反演风场的平均分布与模式之间存在较好的一致性,半日潮变化相当明显;250km高度的热层大气风场的探测结果与经验模式有较大的差异.观测结果表明,子午工程光学干涉仪是一个适合观测中纬地区中层顶和热层风场的地基探测设备.
出处 《科学通报》 EI CAS CSCD 北大核心 2010年第35期3378-3383,共6页 Chinese Science Bulletin
基金 国家自然科学基金(40890165,40921063,40911120063) 国家大科学工程“子午工程” 国家重点实验室专项基金资助项目
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参考文献12

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