September 16, 2021 Dataset Open Access

Tauzin, Benoit; Waszek, Lauren; Afonso, Juan Carlos

MARC21 XML Export

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    <subfield code="x">Waszek L., Tauzin B., Schmerr N., Ballmer M., and Afonso J.C. A poorly mixed mantle transition zone and its thermal state inferred from seismic waves. Nature Geoscience. 2021. doi:</subfield>
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    <subfield code="a">&lt;p&gt;This release is associated with the accepted publication in Nature Geoscience:&lt;/p&gt;

&lt;p&gt;Waszek L., Tauzin B., Schmerr N., Ballmer M. and Afonso J.C. A poorly mixed mantle transition zone and its thermal state inferred from seismic waves. Nature Geoscience, 2021.&lt;/p&gt;

&lt;p&gt;This dataset must be used in conjunction with the NoLimit software package (https://zenodo.org/record/5512805).&lt;/p&gt;

&lt;p&gt;Both the software and dataset allow the prediction of synthetic seismic waveforms for SS and PP-precursors from mineral physics models, as well as their processing for reconstructing the surface of seismic boundaries associated with major mineralogical phase transitions in the Earth&amp;rsquo;s mantle (namely, the 410-km and 660-km depth discontinuities).&lt;/p&gt;

&lt;p&gt;For technical reasons (storage and quick access), the catalog is downsampled with respect to the one in Waszek et al. (2021), and it is provided with the HDF5 format. For more advanced applications such as changing mantle composition, or generating waveforms for deeper earthquakes, please contact Benoit Tauzin (benoit.tauzin@univ-lyon1.fr) and Lauren Waszek (lauren.waszek@jcu.edu.au).&lt;/p&gt;

&lt;p&gt;The dataset includes:&lt;/p&gt;

&lt;p&gt;* A fixed mantle composition, which is a mechanical mixture of basalt and harzburgite with a fraction of basalt f=0.2.&lt;br&gt;
* A downsampled catalog of synthetic waveforms for event depths between 0 and 80 km by step of 10 km (enough for reproducing the processing of observed SS and PP precursors waveforms).&lt;br&gt;
* Adiabatic temperature gradients with potential temperature Tpot between 1200 and 2100 K by step of 100 K.&lt;/p&gt;

&lt;p&gt;This catalog and associated travel-time tables will allow any user to generate synthetic waveforms for any moment tensor, and events within the pre-defined depth interval.&lt;br&gt;
&amp;nbsp;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;How to cite this material?&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Any use of the datasets or software must refer to:&lt;/p&gt;

&lt;p&gt;The reference paper: Waszek L., Tauzin B., Schmerr N., Ballmer M., Afonso J.C. A poorly mixed mantle transition zone and its thermal state inferred from seismic waves. Nature Geoscience. 2021.&lt;br&gt;
&lt;br&gt;
Software: Tauzin, Benoit, &amp;amp; Waszek, Lauren. (2021). NoLiMit MATLAB package v1.0. Non-Linear Bayesian partition Modeling of the Earth&amp;#39;s Mantle Transition zone (Version 1). Zenodo. https://doi.org/10.5281/zenodo.5512805&lt;br&gt;
&lt;br&gt;
Datasets: Tauzin, Benoit, Waszek, Lauren, &amp;amp; Afonso, Juan Carlos. (2021). Catalog of synthetic seismic records from mineral physics and travel-time tables from Waszek et al., 2021, Nature Geoscience (Version 1) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.5512035&lt;/p&gt;</subfield>
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