Research on the Calculating Directly Water Vapor Value Using Zenith Tropospheric Delay Data

QU Jianguang; LIU Jiyu; HAN Zhongyuan

Volume 30 Issue 7

Jul. 2005

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Geomatics and Information Science of Wuhan University > 2005 > 30(7): 625-628.

QU Jianguang, LIU Jiyu, HAN Zhongyuan. Research on the Calculating Directly Water Vapor Value Using Zenith Tropospheric Delay Data[J]. Geomatics and Information Science of Wuhan University, 2005, 30(7): 625-628.

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Research on the Calculating Directly Water Vapor Value Using Zenith Tropospheric Delay Data

¹ School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China ;² Heilongjiang Institute of Technology, 999 Hongqi Street, Ha’erbin 150050, China

Funds: 黑龙江省自然科学基金资助项目(F200411)；黑龙江省普通高等学校骨干教师创新能力计划资助项目(1053G025)

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Received Date: May 06, 2005
Revised Date: May 06, 2005
Published Date: July 04, 2005

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Abstract

This paper compares and analyzes the change trend of zenith tropospheric delay (ZTD) and integrated water vapor (IWV) at BJFS, LHAS and WUHN stations in July 2002, and puts forward a new method which can calculate directly IWV using GPS ZTD without other transformations. The IWV calculated by the method is validated with the IWV computed by traditional method. The results show that the method is feasible
- zenith tropospheric delay,
- integrated water vapor,
- zenith hydrostatic delay

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Research on the Calculating Directly Water Vapor Value Using Zenith Tropospheric Delay Data

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