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Atmospheric models, GPS and InSAR measurements of the tropospheric water vapour field over Mount Etna

Lookup NU author(s): Professor Stuart Edwards, Professor Peter Clarke

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Abstract

[1] Dynamic models of atmospheric movement over the Mount Etna volcano are used to calculate the path delays affecting radar caused by variable water vapour in the troposphere. We compare these model results with the equivalent differential radar interferogram generated by two ERS-2 SAR images taken 35 days apart and the water vapour delay retrievals from a network of fourteen GPS stations distributed over the volcano. The atmospheric model delay field agrees well with the long-wavelength spatial differences measured by InSAR and those measured by GPS.


Publication metadata

Author(s): Wadge G, Webley PW, James IN, Bingley R, Dodson A, Waugh S, Veneboer T, Puglisi G, Mattia M, Baker D, Edwards SC, Edwards SJ, Clarke PJ

Publication type: Article

Publication status: Published

Journal: Geophysical Research Letters

Year: 2002

Volume: 29

Issue: 19

Pages: 1905

ISSN (print): 0094-8276

ISSN (electronic): 0094-8276

Publisher: American Geophysical Union

URL: http://dx.doi.org/10.1029/2002GL015159

DOI: 10.1029/2002GL015159


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