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Supplementary data for Gama et al. (2022), Mapping the Lithosphere and Asthenosphere beneath Alaska with Sp Converted Waves, Geochemistry, Geophysics, Geosystems

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Year:
2022
Contributor:
Gama, Isabella (Author)
Fischer, Karen M. (Author)
Hua, Junlin (Author)
Subject:
crust
lithosphere
mantle
Alaska
asthenosphere
seismic waves
DOI
https://doi.org/10.26300/zgwd-x886

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Abstract:
Each of the three files contains the depths of a single velocity gradient measured from a common conversion point stack of Sp phases recorded by broadband seismic stations in Alaska. Citation: Gama, I., Fischer, K. M., Hua, J., Mapping the Lithosphere and Asthenosphere beneath Alaska with Sp Converted Waves, Geochemistry, Geophysics, Geosystems, 2022. Moho_Depth.txt contains the depths of a positive velocity gradient interpreted as the Moho (Figure 7 of Gama et al., 2022); note that multiple Moho boundaries exist in some portions of southern Alaska, but only one value is given in each location in this file. LAB_Depth.txt contains the depth of a negative velocity gradient interpreted as the lithosphere-asthenosphere boundary (Figure 8b of Gama et al., 2022). PVG_Depth.txt contains the depths of a positive velocity gradient in the mantle below the lithosphere (Figure 9b of Gama et al., 2022). Columns are: Depth of velocity gradient (km); latitude (degrees); longitude (degrees); uncertainty (km). The uncertainty corresponds to the total depth range of one standard deviation; divide by two to get the value for a +/- error bar.
Notes:
This work was supported by the National Science Foundation EarthScope Program (EAR-1829401)

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Attribution 4.0 International (CC BY 4.0)
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In Copyright

Citation

Gama, Isabella, Fischer, Karen M., and Hua, Junlin, "Supplementary data for Gama et al. (2022), Mapping the Lithosphere and Asthenosphere beneath Alaska with Sp Converted Waves, Geochemistry, Geophysics, Geosystems" (2022). Brown University Open Data Collection. Brown Digital Repository. Brown University Library. https://doi.org/10.26300/zgwd-x886

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