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WGBIS: Bayesian inversion of wrapped satellite interferometric phase to estimate fault and volcano surface ground deformation models

Jiang, Yu; González, Pablo


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    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#gYear">2020</dct:issued>
    <dcat:keyword>Geodetic Inversion</dcat:keyword>
    <dcat:keyword>Interferometric Wrapped Phase</dcat:keyword>
    <dcat:keyword>Bayesian Inversion</dcat:keyword>
    <dcat:keyword>InSAR</dcat:keyword>
    <dcat:keyword>Volcano</dcat:keyword>
    <dcat:keyword>Earthquake</dcat:keyword>
    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2020-03-25</dct:issued>
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    <dct:description>&lt;p&gt;&lt;strong&gt;(1) Introduction&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;WGBIS is the Bayesian geodetic inversion package that uses as observations, the interferometric wrapped phases.&lt;/p&gt; &lt;p&gt;In WGBIS, earthquake and volcano source parameters are estimated directly from the interferometric wrapped phase, rather than the unwrapped phases, thus phase unwrapping errors are avoided. Using a Bayesian approach, WGBIS&amp;nbsp;provides an assessment of the model uncertainty. Extensive testing shows that this method has the capability to escape local minima during the model inversion.&lt;/p&gt; &lt;p&gt;&amp;nbsp;&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(2) Novel aspects of the WGBIS method:&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;A new method to model interferometric wrapped phase based on Bayesian inference.&lt;/li&gt; &lt;li&gt;Wrapped observations are weighted by appropriate data covariance.&lt;/li&gt; &lt;li&gt;An improved wrapped interferometic phase data downsampling algorithm.&lt;/li&gt; &lt;li&gt;WGBIS further extends current state-of-the-art geodetic modelling of InSAR data to cases where phase unwrapping is difficult or impossible.&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&amp;nbsp;&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(3) References&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;WGBIS is described and applied in a manuscript written by Yu Jiang and Pablo J. Gonz&amp;aacute;lez, published in JGR: Solid Earth.&lt;/p&gt; &lt;p&gt;If you use this package, please cite:&lt;/p&gt; &lt;ul&gt; &lt;li&gt;Jiang, Y., and Gonz&amp;aacute;lez, P. J. (2020). Bayesian inversion of wrapped satellite interferometric phase to estimate fault and volcano surface ground deformation models. JGR: Solid Earth.&lt;/li&gt; &lt;li&gt;Jiang, Y., and Gonz&amp;aacute;lez, P. J. (2020). WGBIS: Bayesian inversion of wrapped satellite interferometric phase to estimate fault and volcano surface ground deformation models. Zenodo. http://doi.org/10.5281/zenodo.3727159&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&amp;nbsp;&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(4) Updates&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;This released version is only aimed for the researcher.&lt;/p&gt; &lt;p&gt;The authors will continue to make development, and publish the latest version on GitHub:&amp;nbsp;&lt;/p&gt; &lt;p&gt;&lt;a href="https://github.com/jiangyuinsar/WGBIS"&gt;https://github.com/jiangyuinsar/WGBIS&lt;/a&gt;&lt;/p&gt;</dct:description>
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