黄瑾芳,楼益栋,张卫星,刘经南

• 1:武汉大学卫星导航定位技术研究中心

摘要(Abstract)：

针对欧洲中期天气预报中心(ECMWF)提供的ERA-Interim气压分层再分析资料在中国区域对流层延迟解算的适用性问题,该文基于中国大陆构造环境监测网络(CMONOC)约260个GPS基准站,以GPS PPP事后精密处理结果作为参考,给出了相应的精度评估与时空分布特征分析,结果表明:再分析资料在中国区域对流层延迟的平均偏差和均方根误差分别为0.39cm和1.37cm,时空分布上存在明显差异,另外指出了再分析资料时间分辨率不足,难以反映对流层延迟日内变化的问题。为进一步研究对流层空间关系以及垂直变化特征,精化对流层改正模型提供参考。

关键词(KeyWords)： 全球定位系统;天顶对流层延迟;中国大陆构造环境监测网络;ERA-Interim

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2016YFB0501802);; 武汉市青年科技晨光计划项目(2016070204010149);; 武汉大学自主科研拔尖创新人才资助项目(2042017kf0179)

作者(Author): 黄瑾芳,楼益栋,张卫星,刘经南

DOI: 10.16251/j.cnki.1009-2307.2018.05.003

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