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Summary: This directory contains a second version of the mosaics of the 2-dimensional (2D) surface strain fields of the 2019 Mw7.1 and Mw6.4 Ridgecrest earthquakes derived from optical correlation. These results are derived through a modification to the inversion approach described in Barnhart et al. 2020 (Nature Geoscience) wherein we remove the UTM reference frame when building the Green’s function that is incorporated into the inversion for the displacement gradient tensor. The removal of the reference frame has the effect of improving the condition number of the Green’s function and making the inversion more stable. The mosaics are in UTM Zone 11N coordinates with 10m spatial resolution. Each file is in units...
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This Data Release contains co-seismic horizontal and vertical displacements of the 2019 Ridgecrest earthquakes derived from sub-pixel cross correlation of WorldView satellite optical imagery. Additionally, the dataset contains the 2-dimensionsal (2D) and 3-dimensional (3D) surface strain fields, inverted from the surface displacements. We also present an alternative set of 2D surface strain calculations, processed after removal of the UTM reference frame. Associated publication: Barnhart, W.D., Gold, R.D., Hollingsworth, J., 2020 Localized fault zone dilatancy and surface inelasticity of the 2019 Ridgecrest earthquakes. Nature Geoscience. DOI: 10.1038/s41561-020-0628-8.
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This data set contains individual adult bighorn sheep entry and exit/censor times for 3 disease states and 2 mortality states: susceptible, infected and recovered and disease-caused death and non-disease related death. These times are used in a time-to-event analysis that employs a mixture model approach to characterize transition rates between states.


    map background search result map search result map USGS 1:24000-scale Quadrangle for Strain, MO 1966 USGS 1:24000-scale Quadrangle for Strain, MO 1966 Displacement and strain field from the 2019 Ridgecrest earthquakes derived from analysis of WorldView optical satellite imagery (ver. 2.0, May 2021) 2D surface strain calculated after removal of UTM reference frame (alternative) Host vs. Pathogen Evolutionary Arms Race: Effects of Exposure History on Individual Response to a Genetically Diverse Pathogen USGS 1:24000-scale Quadrangle for Strain, MO 1966 USGS 1:24000-scale Quadrangle for Strain, MO 1966 2D surface strain calculated after removal of UTM reference frame (alternative) Displacement and strain field from the 2019 Ridgecrest earthquakes derived from analysis of WorldView optical satellite imagery (ver. 2.0, May 2021) Host vs. Pathogen Evolutionary Arms Race: Effects of Exposure History on Individual Response to a Genetically Diverse Pathogen