Utilization of GPS Tropospheric Delays for Climate Research

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The tropospheric delay is one of the main error sources in Global Positioning Systems (GPS) and its impact plays a crucial role in near real-time weather forecasting. Accessibility and accurate estimation of this parameter are essential for weather and climate research. Advances in GPS application has allowed the measurements of zenith tropospheric delay (ZTD) in all weather conditions and on a global scale with fine temporal and spatial resolution. In addition to the rapid advancement of GPS technology and informatics and the development of research in the field of Earth and Planetary Sciences, the GPS data has been available free of charge. Now only required sophisticated processing techniques but user friendly. On the other hand, the ZTD parameter obtained from the models or measurements needs to be converted into precipitable water vapor (PWV) to make it more useful as a component of weather forecasting and analysis atmospheric hazards such as tropical storms, flash floods, landslide, pollution, and earthquake as well as for climate change studies. This paper addresses the determination of ZTD as a signal error or delay source during the propagation from the satellite to a receiver on the ground and is a key driving force behind the atmospheric events. Some results in terms of ZTD and PWV will be highlighted in this paper.

Original languageEnglish
Article number012001
JournalJournal of Physics: Conference Series
Volume846
Issue number1
DOIs
Publication statusPublished - 2 Jun 2017

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Global Positioning System
climate
zenith
weather forecasting
weather
water vapor
tropical storms
Earth sciences
error signals
landslides
climate change
pollution
temporal resolution
hazards
flash
earthquakes
receivers
spatial resolution
propagation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Utilization of GPS Tropospheric Delays for Climate Research. / Suparta, Wayan.

In: Journal of Physics: Conference Series, Vol. 846, No. 1, 012001, 02.06.2017.

Research output: Contribution to journalArticle

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