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A directional model of tropospheric horizontal gradients in Global Positioning System and its application for particular weather scenarios

Masoumi, Amir; McClusky, Simon; Koulali, Achraf; Tregoning, Paul


Improper modeling of horizontal tropospheric gradients in GPS analysis induces errors in estimated parameters, with the largest impact on heights and tropospheric zenith delays. The conventional two-axis tilted plane model of horizontal gradients fails to provide an accurate representation of tropospheric gradients under weather conditions with asymmetric horizontal changes of refractivity. A new parametrization of tropospheric gradients whereby an arbitrary number of gradients are estimated as...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Journal of Geophysical Research: Atmospheres
DOI: 10.1002/2016JD026184
Access Rights: Open Access


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