September 2, 2025 Dataset Restricted Access

Schöngart, Jann; Kulenkampff, Johannes; Fischer, Cornelius

MARC21 XML Export

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    <subfield code="x">Schabernack, J., Kulenkampff, J., &amp; Fischer, C. (2025). Direct observation of fluid flow pattern formation in sandstone due to coupled dissolution and clogging processes. Journal of Hydrology, 661, 133868. https://doi.org/10.1016/j.jhydrol.2025.133868</subfield>
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    <subfield code="x">Kulenkampff, J., Schabernack, J., &amp; Fischer, C. (2024). Coupled dissolution and clogging processes alter the fluid flow field in sandstones beyond the pore scale - PET and µCT data (Version 1.0) [Dataset]. Rodare. https://doi.org/10.14278/RODARE.3126</subfield>
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    <subfield code="a">Flow field tomography of reactive transport: comparison of β⁺ tracers ¹⁸F, ⁷⁶Br &amp; ¹²⁴I - data publication</subfield>
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    <subfield code="a">The project received funding from the BMBF, grant numbers 03G0900A and 02NUK066A.</subfield>
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    <subfield code="a">&lt;p&gt;Data on two tomographic studies on Berea sandstone as supplemental information of the publication &amp;quot;Flow field tomography of reactive transport: comparison of &amp;beta;⁺ tracers &amp;sup1;⁸F, ⁷⁶Br &amp;amp; &amp;sup1;&amp;sup2;⁴I&amp;quot; by Jann Sch&amp;ouml;ngart, Johannes Kulenkampff, and Cornelius Fischer&lt;em&gt;. &lt;/em&gt;&lt;/p&gt;

&lt;p&gt;Part of the data published here was used for prior works by &lt;a href="https://doi.org/10.1016/j.jhydrol.2025.133868"&gt;Schabernack et al. (2025)&lt;/a&gt;. Therefore, the the presented dataset has overlap withthe dataset published in&amp;nbsp;&lt;a href="https://doi.org/10.14278/rodare.3126"&gt;Kulenkampff et al. (2024)&lt;/a&gt;. This overlap is limited to the&amp;nbsp;&amp;micro;CT data, and the PET data for analysis D_B and D_C.&lt;/p&gt;

&lt;p&gt;The data in this publication consists of:&lt;br&gt;
&lt;br&gt;
&lt;strong&gt;&amp;micro;CT data&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Core_D_after_dissolution_2496x2496x1615.raw:&amp;nbsp; &amp;micro;CT of the inlet section of berea sandstone core D before dissolution as normalized graylevel data, voxel size = 10.032 &amp;micro;m. Format: 3D-array of uInt16, x=1:2496, y=1:2496, z=1:1615.&lt;/p&gt;

&lt;p&gt;Core_D_before_dissolution_2307x2329x1452_uint16.raw:&amp;nbsp;&amp;micro;CT of the inlet section of berea sandstone&amp;nbsp;core D after dissolution as normalized graylevel data, voxel size = 10.032 &amp;micro;m. Format: 3D-array of uInt16, x=1:2307, y=1:2329, z=1:1452.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Positron emission tomography data&lt;br&gt;
All PET data is stored as three-dimensional binary arrays of floats, with a voxel size of 1.15 mm.&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Stored in [subset]_PET_raw.zip:&amp;nbsp;&lt;/p&gt;

&lt;p&gt;Uncalibrated positron emission tomography time series (decay corrected). Each image consists of two files - a header file (.hv) and the binary image file (.v). The header file contains information on how to read the binary file, as well as additional information.&amp;nbsp;&lt;br&gt;
Please note that not all of the metadata given in the header file (like timestamps, etc.) are generated automatically and not neccessarily accurate.&lt;/p&gt;

&lt;p&gt;Stored in [subset]_PET_err.zip:&amp;nbsp;&lt;/p&gt;

&lt;p&gt;Relative errors of the PET_raw data, calculated from count rates using poisson statistics. A value of 1 equals 100% error. The volumes are cut to the ROI.&amp;nbsp;The data structure is identical to&amp;nbsp;[samplename]_PET_raw.zip.&lt;/p&gt;

&lt;p&gt;Stored in [subset]_PET_corrected.zip:&amp;nbsp;&lt;/p&gt;

&lt;p&gt;Positron emission tomography time series, corrected for tracer activity and detector sensitivity fluctuations. Values are in in Bq/voxel. Voxels with relative errors above 100% are discarded. The volumes are cut to the ROI.&amp;nbsp;The data structure is identical to&amp;nbsp;[samplename]_PET_raw.zip.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Flow field data&lt;/strong&gt;&lt;br&gt;
stored in [subset]_flowfield.zip:&amp;nbsp;&lt;br&gt;
Flow Direction_[X]x[Y]x[Z]x1_vec3_double.raw: Flow direction vectors as binary data of the shape [x,y,z,[3]], a three dimensional array of vectors which are stored as double (float64), &amp;nbsp;voxel size = 1.15 mm.&lt;/p&gt;

&lt;p&gt;Flow Rate_[X]x[Y]x[Z]x1_double.raw: Flow rates (uncalibrated)&amp;nbsp;as binary data of the shape [x,y,z], a three dimensional array of doubles (float64), &amp;nbsp;voxel size = 1.15 mm.&lt;/p&gt;

&lt;p&gt;Porosity_[X]x[Y]x[Z]x1_double.raw:&amp;nbsp;Porosities (uncalibrated)&amp;nbsp;as binary data of the shape [x,y,z], a three dimensional array of doubles (float64), &amp;nbsp;voxel size = 1.15 mm.&lt;/p&gt;

&lt;p&gt;Transport Error_[X]x[Y]x[Z]x1_double.raw: A measure of error quantifying the ratio of computed in- and outflow to each voxel. Values close to 0 are better. Stored as binary data of the shape [x,y,z], a three dimensional array of doubles (float64), &amp;nbsp;voxel size = 1.15 mm.&lt;/p&gt;

&lt;p&gt;Velocity_[X]x[Y]x[Z]x1_double.raw: Velocities&amp;nbsp;(uncalibrated)&amp;nbsp;as binary data of the shape [x,y,z], a three dimensional array of doubles (float64), &amp;nbsp;voxel size = 1.15 mm.&lt;/p&gt;</subfield>
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    <subfield code="a">Positron Emission Tomography</subfield>
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    <subfield code="a">Reactive Transport</subfield>
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