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首页> 外文期刊>Izvestiya Atmospheric and Oceanic Physics >Validation of Integrated Water-Vapor Content from GNSS Data of Ground-Based Measurements
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Validation of Integrated Water-Vapor Content from GNSS Data of Ground-Based Measurements

机译:从地基测量GNSS数据验证来自GNSS数据的综合水蒸气含量

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摘要

Time series of integrated water-vapor (IWV) content for 2015-2017 at eight paired GNSS stations and solar photometry data from the AERONET network in Europe have been compared. The distance between station pairs was no more than 20 km. The average and standard deviations of discrepancies have been shown to vary seasonally. The GNSS-photometer bias in winter was from -0.61 to 0.34 mm. The IWV content in summer is overestimated by the GNSS relative to photometers by 0.52 to 2.26 mm. The standard deviation is from 1.31 to 1.64 mm with a maximum in summer and decreases to 0.49-0.86 mm in winter, which is 5-6% of IWV.
机译:比较了2015 - 2017年集成水蒸气(IWV)含量的时间序列,欧洲欧洲航空电池网络的八个配对GNSS站和太阳能测光数据。 站对之间的距离不超过20公里。 差异的平均和标准偏差已被证明季节性变化。 冬季GNSS-光度计偏置从-0.61至0.34毫米。 夏季的IWV含量被GNSS相对于光度计高估0.52至2.26毫米。 标准偏差为1.31至1.64毫米,夏季最大,冬季最大值降至0.49-0.86毫米,占IWV的5-6%。

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