| Retrieval of the Change of Precipitable Water Vapor by GPS Technique |
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| 引用本文： | WANG Yong LIU Yanping LIU Lintao XU Houze. Retrieval of the Change of Precipitable Water Vapor by GPS Technique[J]. 地球空间信息科学学报, 2007, 10(4): 265-268. DOI: 10.1007/s11806-007-0129-6 |
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| 作者姓名： | WANG Yong LIU Yanping LIU Lintao XU Houze |
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| 作者单位： | College of Traffic and Surveying Hebei Polytechnic University，46 West Xinhua Road Tangshan 063009 China |
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| 摘 要： | The feasibility of GPS precipitable water vapor (PWV) is discussed based on the comparison of Radiosonde and GPS PWV where the correlation coefficient is 0.94 and the RMS is 4.0 mm. PWV change in the C...
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| 关 键 词： | GPS 反演技术 水汽变化 气象学 |
| 文章编号： | 1009-5020（2007）04-265-04 |
| 收稿时间： | 2007-09-29 |
Retrieval of the change of precipitable water vapor by GPS technique |
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| Wang Yong,Liu Yanping,Liu Lintao,Xu Houze. Retrieval of the change of precipitable water vapor by GPS technique[J]. Geo-Spatial Information Science, 2007, 10(4): 265-268. DOI: 10.1007/s11806-007-0129-6 |
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| Authors: | Wang Yong Liu Yanping Liu Lintao Xu Houze |
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| Affiliation: | College of Traffic and Surveying, Hebei Polytechnic University, 46 West Xinhua Road, Tangshan 063009, China |
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| Abstract: | The feasibility of GPS precipitable water vapor (PWV) is discussed based on the comparison of Ra-diosonde and GPS PWV where the correlation coefficient is 0.94 and the RMS is 4.0 mm. PWV change in the Chinese mainland in 2004 is graphed with the gridding method of splines in tension, according to the GPS data of the crust monitor observation network in China, combined with relevant meteorology information. According to the distribution of the annual amount of rainfall in the country, it can be concluded that the total trend of the PWV is diminishing from the south-east coastland to the north-west inland. The PWV reaches its maximum during July and August, and the minimum is reached during January and February. According to the PWV, from high to low, all districts can be ranked as south-east coastland, the inland and the tableland. |
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| Keywords: | GPS-meteorology precipitable water vapor zenith wet delay zenith tropospheric delay |
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