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GPS Meteorology Network in Wuhan Region

Houze Xu

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Abstract

There are three aspects in the study of GPS meteorology network in Wuhan region. The first is the comparison of the GPS precipitable water vapor between final ephemeris and ultra-rapid ephemeris which the relative coefficient is 99.97% and the root mean squares is 0.048 mm. It can be concluded that ultra-rapid ephemeris can be used to get the GPS precipitable water vapor for the real-time prediction. The second is the comparison of precipitable water vapor of GPS stations and it is acquired the distribution of water vapor in Wuhan region and the arrays from high to low are WHDH, WHJF, WHCD, WHXZ and WHHP. The change of GPS precipitable water vapor and rainfall in a rainfall process are compared and analyzed and the change of GPS precipitable water vapor can reflect and predict the process of rainfall.

About this research paper

What this paper is about

There are three aspects in the study of GPS meteorology network in Wuhan region. The first is the comparison of the GPS precipitable water vapor between final ephemeris and ultra-rapid ephemeris which the relative coefficient is 99.97% and the root mean squares is 0.048 mm. It can be concluded that ultra-rapid ephemeris can be used to get the GPS precipitable water vapor for the real-time prediction. The second is the comparison of precipitable water vapor of GPS stations and it is acquired the distribution of water vapor in Wuhan region and the arrays from high to low are WHDH, WHJF, WHCD, WHXZ and WHHP. The change of GPS precipitable water vapor and rainfall in a rainfall process are compared and analyzed and the change of GPS precipitable water vapor can reflect and predict the process of rainfall.

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Available abstract

There are three aspects in the study of GPS meteorology network in Wuhan region. The first is the comparison of the GPS precipitable water vapor between final ephemeris and ultra-rapid ephemeris which the relative coefficient is 99.97% and the root mean squares is 0.048 mm. It can be concluded that ultra-rapid ephemeris can be used to get the GPS precipitable water vapor for the real-time prediction. The second is the comparison of precipitable water vapor of GPS stations and it is acquired the distribution of water vapor in Wuhan region and the arrays from high to low are WHDH, WHJF, WHCD, WHXZ and WHHP. The change of GPS precipitable water vapor and rainfall in a rainfall process are compared and analyzed and the change of GPS precipitable water vapor can reflect and predict the process of rainfall.

Key concepts: Precipitable water, Global Positioning System, Water vapor, Ephemeris, Environmental science, Meteorology, Remote sensing, Geography

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