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Dataset

Digital Image Correlation data from oblique convergence experiments with wet kaolin

Cite as:

Cooke, Michele; Toenenboehn, Kevin; Hatch, Jennifer (2019): Digital Image Correlation data from oblique convergence experiments with wet kaolin. GFZ Data Services. http://doi.org/10.5880/fidgeo.2019.020

Status

I   N       R   E   V   I   E   W : Cooke, Michele; Toenenboehn, Kevin; Hatch, Jennifer (2019): Digital Image Correlation data from oblique convergence experiments with wet kaolin. GFZ Data Services. http://doi.org/10.5880/fidgeo.2019.020

Abstract

Experiments of oblique convergence at angles of 5, 10, 15, 20, 25 and 30 degrees from the margin within wet kaolin. One suite of experiments, denoted as ‘precut’, has a vertical surface precut within the clay with an electrified wire. The precut surface lies directly above the basal oblique dislocation. The other suite of experiments is ‘uncut’. Regardless of whether the experiments have a precut surface, slip partitioned fault systems, develop and persist in the experiments. Such systems have two simultaneously active faults with similar strike but different slip sense. Slip partitioning also develops regardless of whether the system first grows a reverse fault or strike slip fault in the experiment. The sequence and nature of strike-slip and reverse fault development depends on present of existing cut and convergence angle.

This data set includes time series of incremental displacement maps for eleven experiments performed at the University of Massachusetts Amherst in January 2017 and March 2018 as well as animations of strain and uplift. The dataset includes the 30˚ convergence experiment with precut vertical surface but the 30˚ uncut experiment has not yet been performed. The time series data are organized into 11 netCDF files. The name of each file states the obliquity of convergence and whether the vertical surface was precut or not.

Each netCDF file contains the following

• ux = the incremental displacement field within the ROI (Region Of Interest) parallel to the margin (x-direction). The third dimension in the array corresponds to increment of deformation through the experiment. Units are mm.
• uy = the incremental displacement field within the ROI perpendicular to the margin (y-direction). The third dimension in the array corresponds to increment of deformation through the experiment. Units are mm.
• x = position parallel to the margin. Units are mm.
• y = position perpendicular to the margin. Units are mm.

The incremental displacements are calculated from DIC of photographs taken every 30 seconds using PIVlab (Thielicke, 2019). The net stepper motor speed is ~0.5 mm/min.

The animations show strain evolution of all eleven experiments and uplift evolution of the 10 degree precut experiment. The strain evolution experiments overlay colormaps of incremental strain between successive photos on photographs of the experiment. Color saturation indicates the strain rate and hue indicates the slip vector. The uplift maps were made from stereovision analysis from pairs of photos. In most experiments, decorrelation of portions of the map prevented us from producing high quality uplift evolution animations from the start to the end of the experiment. Only the 10 degree convergence with precut vertical surface experiment had full coherence of uplift signal throughout the experiment and that animation.

Contact

  • Cooke, Michele (Professor) ; University of Massachusetts, Amherst, US;

Contributors

HelTec - Helmholtz Laboratory for Tectonic Modelling (GFZ German Research Centre for Geosciences, Germany)

Keywords

oblique convergence, analog experiments, fault evolution, slip partitioning, EPOS, multi-scale laboratories, analogue models of geologic processes, analogue modelling results, software tools, Clay, Digital Image Correlation (DIC) / Particle Image Velocimetry (PIV), Digital Image Correlation (DIC) / Particle Image Velocimetry (PIV) > Matlab code, Digital Image Correlation (DIC) / Particle Image Velocimetry (PIV) > PIVlab, Matlab (Mathworks), SLR camera, Shear box, Squeeze box, Yield stress, deformation > fracturing, deformation > shearing, fault, fracture, tectonic process > accretion, tectonic process > transform faulting, tectonic setting > plate margin setting > active continental margin setting, tectonic setting > plate margin setting > forearc setting, tectonic setting > plate margin setting > subduction zone setting, tectonic setting > plate margin setting > transform plate boundary setting, thrust fault, wrench fault

GCMD Science Keywords

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          • givenName: Michele
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          • affiliation: University of Massachusetts, Amherst, USA, US
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          • affiliation: University of Massachusetts, Amherst, USA, US
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          • familyName: Hatch
          • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0001-8877-2176
          • affiliation: University of Massachusetts, Amherst, USA, US
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        • title (xml:lang=en): Digital Image Correlation data from oblique convergence experiments with wet kaolin
      • publisher: GFZ Data Services
      • publicationYear: 2019
      • subjects
        • subject: oblique convergence
        • subject: analog experiments
        • subject: fault evolution
        • subject: slip partitioning
        • subject: EPOS
        • subject: multi-scale laboratories
        • subject: analogue models of geologic processes
        • subject: analogue modelling results
        • subject: software tools
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        • subject (subjectScheme=EPOS WP16 Analogue Main Setting xml:lang=en): tectonic setting > plate margin setting > transform plate boundary setting
        • subject (subjectScheme=EPOS WP16 Analogue Main Setting xml:lang=en): tectonic setting > plate margin setting > subduction zone setting
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        • subject (subjectScheme=EPOS WP16 Analogue Process/Hazard xml:lang=en): tectonic process > transform faulting
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        • subject (subjectScheme=EPOS WP16 Analogue Geologic Structure xml:lang=en): thrust fault
        • subject (subjectScheme=EPOS WP16 Analogue Geologic Structure xml:lang=en): fracture
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        • subject (subjectScheme=EPOS WP16 Analogue Software xml:lang=en): Digital Image Correlation (DIC) / Particle Image Velocimetry (PIV)
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        • subject (subjectScheme=EPOS WP16 Analogue Monitoring xml:lang=en): SLR camera
        • subject (subjectScheme=EPOS WP16 Analogue Measured Property xml:lang=en): Yield stress
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          • affiliation: University of Massachusetts, Amherst, USA, US
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          • affiliation: University of Massachusetts, Amherst, USA, US
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          • affiliation: University of Massachusetts, Amherst, USA, US
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      • fundingReferences
        • fundingReference
          • funderName: National Science Foundation
          • funderIdentifier (funderIdentifierType=Crossref Funder ID): http://doi.org/10.13039/501100008982
          • awardNumber: EAR 1550133
  • dif:  /  download xml
    • DIF (xsi:schemaLocation=http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.nasa.gov/Aboutus/xml/dif/dif_v9.8.2.xsd)
      • Entry_ID: 10.5880/fidgeo.2019.020
      • Entry_Title: Digital Image Correlation data from oblique convergence experiments with wet kaolin
      • Data_Set_Citation
        • Dataset_Creator: Cooke, Michele; Toenenboehn, Kevin; Hatch, Jennifer
        • Dataset_Title: Digital Image Correlation data from oblique convergence experiments with wet kaolin
        • Dataset_Release_Date: 2019
        • Dataset_Release_Place: Potsdam, Germany
        • Dataset_Publisher: GFZ Data Services
        • Online_Resource: http://dx.doi.org/10.5880/fidgeo.2019.020
      • Parameters
        • Category: EARTH SCIENCE
        • Topic: SOLID EARTH
        • Term: TECTONICS
        • Variable_Level_1: PLATE TECTONICS
        • Variable_Level_2: FAULT MOVEMENT
        • Variable_Level_3: FAULT MOVEMENT DIRECTION
      • Parameters
        • Category: EARTH SCIENCE
        • Topic: SOLID EARTH
        • Term: TECTONICS
        • Variable_Level_1: PLATE TECTONICS
        • Variable_Level_2: FAULT MOVEMENT
      • ISO_Topic_Category: geoscientificInformation
      • Keyword: oblique convergence
      • Keyword: analog experiments
      • Keyword: fault evolution
      • Keyword: slip partitioning
      • Keyword: EPOS
      • Keyword: multi-scale laboratories
      • Keyword: analogue models of geologic processes
      • Keyword: analogue modelling results
      • Keyword: software tools
      • Data_Center
        • Data_Center_Name
          • Short_Name: Deutsches GeoForschungsZentrum GFZ
          • Long_Name: GFZ
        • Personnel
          • Role: DATA CENTER CONTACT
          • Last_Name: Deutsches GeoForschungsZentrum GFZ
      • Summary
        • Abstract: Experiments of oblique convergence at angles of 5, 10, 15, 20, 25 and 30 degrees from the margin within wet kaolin. One suite of experiments, denoted as ‘precut’, has a vertical surface precut within the clay with an electrified wire. The precut surface lies directly above the basal oblique dislocation. The other suite of experiments is ‘uncut’. Regardless of whether the experiments have a precut surface, slip partitioned fault systems, develop and persist in the experiments. Such systems have two simultaneously active faults with similar strike but different slip sense. Slip partitioning also develops regardless of whether the system first grows a reverse fault or strike slip fault in the experiment. The sequence and nature of strike-slip and reverse fault development depends on present of existing cut and convergence angle. This data set includes time series of incremental displacement maps for eleven experiments performed at the University of Massachusetts Amherst in January 2017 and March 2018 as well as animations of strain and uplift. The dataset includes the 30˚ convergence experiment with precut vertical surface but the 30˚ uncut experiment has not yet been performed. The time series data are organized into 11 netCDF files. The name of each file states the obliquity of convergence and whether the vertical surface was precut or not. Each netCDF file contains the following • ux = the incremental displacement field within the ROI (Region Of Interest) parallel to the margin (x-direction). The third dimension in the array corresponds to increment of deformation through the experiment. Units are mm. • uy = the incremental displacement field within the ROI perpendicular to the margin (y-direction). The third dimension in the array corresponds to increment of deformation through the experiment. Units are mm. • x = position parallel to the margin. Units are mm. • y = position perpendicular to the margin. Units are mm. The incremental displacements are calculated from DIC of photographs taken every 30 seconds using PIVlab (Thielicke, 2019). The net stepper motor speed is ~0.5 mm/min. The animations show strain evolution of all eleven experiments and uplift evolution of the 10 degree precut experiment. The strain evolution experiments overlay colormaps of incremental strain between successive photos on photographs of the experiment. Color saturation indicates the strain rate and hue indicates the slip vector. The uplift maps were made from stereovision analysis from pairs of photos. In most experiments, decorrelation of portions of the map prevented us from producing high quality uplift evolution animations from the start to the end of the experiment. Only the 10 degree convergence with precut vertical surface experiment had full coherence of uplift signal throughout the experiment and that animation.
      • Metadata_Name: DIF
      • Metadata_Version: 9.8.2
  • escidoc:  /  download xml
    • resource
      • title (xml:lang=en): Digital Image Correlation data from oblique convergence experiments with wet kaolin
      • date (dateType=Created): 2019-07-15
      • creator
        • creatorName: Cooke, Michele
        • givenName: Michele
        • familyName: Cooke
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0002-4407-9676
        • affiliation: University of Massachusetts, Amherst, USA, US
      • creator
        • creatorName: Toenenboehn, Kevin
        • givenName: Kevin
        • familyName: Toenenboehn
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0002-2307-7348
        • affiliation: University of Massachusetts, Amherst, USA, US
      • creator
        • creatorName: Hatch, Jennifer
        • givenName: Jennifer
        • familyName: Hatch
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0001-8877-2176
        • affiliation: University of Massachusetts, Amherst, USA, US

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