cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.5880/fidgeo.2020.041
title: Paleomagnetic data of the Balzes Anticline

description: This dataset is built from data published in two different articles (Rodríguez-Pintó et al. 2012 and 2016). The main scientific goal described in the articles is the quantification of vertical axis rotations (VAR) around the bended axis of the Balzes anticline in the South Pyrenean frontal thrust (External Sierras). 74 sites and one short magnetostratigraphic section were sampled following standard paleomagnetic field procedures; in total 984 oriented cores were drilled in the field. Paleomagnetic sites are evenly distributed along strike changes of the fold and were drilled in Eozene rock of the Ypresian (Cuisian), Lutetian and Bartonian rocks. Lithologies and affinity may vary; some rocks are marine limestones and marls (Boltaña, Paules and Guara Formations), others (sandy limestones and marls) represent transitional environments (Belsué-Atarés Formation) while the remaining are continental siltstones and sandstones from the Campodarbe Formation. Every site contains an average out of 9.6 standard cores (stand. dev. 5.8) but varies between 3 and 35. For the small magnetostratigraphic section 65 cores were sampled. Thermal demagnetization was the main laboratory analysis performed searching for VAR values at the site scale. The analyses were performed in the laboratories of the Universities of Barcelona and Burgos. 2G magnetometer were used to measure the magnetization in both laboratories and MMTD80 (Magnetic Measurements) and TD-48 SC (ASC Scientific) furnaces, respectively.
description: 1149 standard specimens were subjected to stepwise detailed demagnetization (increments of 20–30-50 were applied) up to magnetite maximum unblocking temperatures (575°C). PCA was the main method to fit the ChRM directions, although other approaches were also used as auxiliary tools (linearity spectrum analysis, stacking routine, virtual directions). The VPD software was used for the visualization and fitting of characteristic remanent directions (ChRM). ChRMs at the specimen level were fitted with an averaged out of 6.4 steps (stand. dev: 2.3) and associated MAD angles displayed a slightly high mean value (12.4 stand. dev: 8.0) because of the weak and partially unstable signal of the rocks (noise caused by sulphides). Fisherian means at the site level are based on 10/15 considered/measured specimens in averaged. Statistical parameters of the site means (a95 and k) yield slightly scattered results; an averaged out of 16° and 36.4 respectively (and 9.7 and 45.7 related standard deviations) but still allow building robust averages of VAR after the grouping of sites in five structural sectors (defined following the changes of the fold-axis trend). These five groups displayed mean values with a95 angles &lt; 10.3° and k &gt; 18.4 and honored standard reliability criteria for paleomagnetic data allowing for the fold axis curvature kinematics reconstruction. The data are povided in .csv and Microsoft Excel (.xlsx) formats. Additional data description including the explanation of variables in the data file is available in pdf (Data Description).
DOI: 10.15468/dl.cf7hhf
title: Occurrence Download

description: A dataset containing 5801 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-5.99821 59.64145,-8.5305 56.16199,-4.80654 53.94423,-6.59404 49.32684,-0.03987 49.52062,3.68409 52.15368,2.04555 58.33699,-5.99821 59.64145))",
 "HasGeospatialIssue is false",
 "TaxonKey is Neovison vison",
 "Year 2010-2020"
 ]
}

 The dataset includes 5801 records from 68 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0044463-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jv9ma9
title: Occurrence Download

description: A dataset containing 10 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Sipunculus lomonossovi",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 10 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0044462-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5880/gfz.5.4.2017.002
title: Stable water isotopes in precipitation in the Mekong Delta, Vietnam

description: This dataset contains 74 weekly/bi-weekly precipitation sum samples recorded at An Long, in the northern part of the Mekong Delta (Plain of Reed, Dong Thap province, Vietnam). The data were collected as part of a study analyzing the influence of local and regional climatic factors on the stable isotopic composition of rainfall in the Mekong delta as part of the Asian monsoon region (Le Duy et al., 2017).. Samples were taken on a weekly basis between June 2014 and May 2015 and twice a week between June 2015 and December 2015. The rain collector was a dip-in sampler type as described in the guidelines of the IAEA technical procedure for precipitation sampling (IAEA, 2014). It consists of a 5 liters accumulation glass bottle fitted with a vertical 14 cm diameter plastic funnel that reaches almost to the bottom to prevent evaporative losses, and a pressure equilibration plastic tube (2 mm in diameter and 15 m in length) to minimize evaporation out of the collection device. All collected samples were stored in 30 mL plastic sample bottles with tight screw caps to avoid evaporation effects. Between collection and laboratory analysis, the samples were stored in the dark. All stable isotope samples were analyzed at the laboratory of the Alfred-Wegener-Institute (AWI) in Potsdam, Germany. The measurements were performed with a Finnigan MAT Delta-S mass spectrometer using equilibration techniques to determine the ratio of stable oxygen (18O/16O) and hydrogen (2H/1H) isotopes. Analytical results were reported as δ2H and δ18O (‰, relative to Vienna Standard Mean Ocean Water - VSMOW) with internal 1σ errors of better than 0.8‰ and 0.1‰ for δ2H and δ18O, respectively. The deuterium excess (d-excess) was calculated with the equation of Dansgaard (1964): d-excess = δ2H - 8*δ18O
DOI: 10.15468/dl.mczkwm
title: Occurrence Download

description: A dataset listing the 45 species recorded in GBIF matching the query:
{
 "and" : [
 "DatasetKey is one of (Données Oiseaux des Jardins, Pl@ntNet automatically identified occurrences, Suivi Photographique des Insectes Pollinisateurs (SPIPOLL), Pl@ntNet observations, Programme d'observation naturaliste participative avec l'application mobile INPN Espèces - Application INPN Espèces: Observations naturalistes, participatives et opportunistes, fondées sur des photographies)",
 "GadmGid is FRA.12.2.1_1",
 "Geometry POLYGON((-0.53194 47.4496,-0.52436 47.4496,-0.52436 47.45409,-0.53194 47.45409,-0.53194 47.4496))"
 ]
}

 The dataset's 45 records were derived from 5 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0044444-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5880/fidgeo.2017.007
title: Rheometric measurements of salted type A gelatins

description: Gelatin is a versatile material commonly used in analogue modelling because of its complex rheology, which allows simulating a wide range of tectonic processes requiring either elastic (e.g., dyke intrusions models) and viscoelastic behavior (e.g., analog earthquakes models). Salt (NaCl) is generally added to gelatin to improve the scaling of the models by increasing the density of the material. The addition of salt results also in a weakening of the gelatin structure, which in turn can dramatically affect its rheological properties. Here, we provide raw data of rheometric measurements performed to test the rheological properties of type A (pig-skin) 2.5 wt% gelatin at T=10°C as a function of salt concentration and ageing time. Each sample was analyzed using dynamical oscillation tests (i.e., amplitude, frequency and time sweep tests) in shear strain controlled mode. All details about sample preparation procedure, measuring protocol, as well as results and data interpretation can be found in Brizzi et al. (2016). The data are provided as Excel files in *.xlsx format and comma-separated files in *.csv format. Each contains multiple measurements. In the Excel files, each measurement is presented as a table in different spreadsheets. In the comma-separated files, each measurement start with its own data series information, followed by the actual data. All files can be opened using MS Excel or equivalent software. An overview of tested salt concentrations and performed measurements can be found in the Explanation_Brizzi_et_al_2016.pdf file. A full list of the files included is given in List_of_files_Brizzi_et_al_2016.pdf.
DOI: 10.60656/fab8fe17caf54ac4
title: Custom collection of microwave radiometer data from Ny-Ålesund between 1 Jan and 31 Dec 2023
DOI: 10.5880/fidgeo.2017.005
title: Supplement to "Work optimization predicts accretionary faulting: An integration of physical and numerical experiments"

description: The data set includes photos, force measurements, and incremental displacement fields captured in experiment E240 run at the physical modeling laboratory (GEC) at the Université de Cergy-Pontoise. We built the accretionary wedge using a novel sedimentation device [Maillot, 2013] that distributes sand in planar layers and creates homogeneous sandpacks. We include photos of the side of the accretionary wedge in a zipped folder (E240_sideviews). Throughout the experiment, we took a photo every 5 seconds. We include the incremental displacement fields calculated from digital image correlation of sequential photos [Adam et al., 2005; Hoth, 2005] as matlab (.mat) files in a zipped folder (E240_001-062_DIC_MAT), and as .csv files in a zipped folder (E240_001-062_DIC_CSV). The .mat and .csv files are numbered to indicate which sequential photo pairs were used to calculate the displacements. For example, E240_001-062_0001_CSV.csv (and E240_001-062_0001.mat) contain the incremental displacements between photo 001.jpg and 002.jpg. All files are included in a single zip folder (Souloumiac-et-al-2017-supplementary-datasets.zip). The matlab files include the variable arrays x, y, u, v, which are the x and y coordinates (in pixels relative to the upper left corner of the image), and the horizontal (u) and vertical (v) incremental displacement fields (in pixels), respectively. The .csv files contain four columns of data with the x and y coordinates in the first two columns, and the horizontal (u) and vertical (v) displacements in the last two columns. We include force measurements in a text file (E240_force_corrected) with two columns: the first column is the total displacement of the backwall in millimeters at the time that the force measurement was recorded, and the second column is the normal force exerted on the backwall, in Newtons. The force measurements are calculated from measurements of strain gauges mounted on a wall of the sand box (i.e., the backwall) [e.g., Souloumiac et al., 2012].
DOI: 10.5880/fidgeo.2018.004
title: Brittle models of fault-volcano interactions during extension

description: This dataset contains 11 top view photographs of fault pattern in sand surfaces from a series of analogue tectonic experiments run to investigate the interaction between faults and volcanic features in areas characterized by pure extension, such as in rift areas (de-Matteo_2018-004_datasets.zip: Fig 02 – Fig 12). Additionally, a figure with a sketch of the experimental setup is provided (Fig 01), a file describing experimental settings for analogue experiments (Table 1.pdf) and a file with figure captions (Figure captions.pdf). This dataset is supplementary to De Matteo et al. (2018), discussing if and how the presence of a volcanic edifice and/or of an intrusive body (i.e. a magmatic chamber) perturbs the local stress field, influencing the magnitude and the attitude of a fault pattern, in a rift zone.
      Models had dimensions of 40 x 30 x 5 cm. They were built on a metal table confined by two border walls normal to the extension direction: one of them (fixed wall) was fastened to the table and the other one (mobile wall) was connected to an electrical stepped motor (Fig 01). Models had a common set up consisting of a uniform 3 cm-thick brittle layer, made up of sand settled on a basal ~1.5 cm-thick rubber sheet, made of nitrile rubber, fixed to both walls. The sand was a mixture of dry quartz-sand mixed with K-Feldspar powder (70/30% in weight). The mixture had a grain size &lt;250 µm, an angle of internal friction of ~39°, a cohesion of ~65 Pa and a density of ~1550 kg/m3. In some experiments a small cylindrical pocket of fluid material (1 cm thick and with variable diameter) was introduced in the brittle layer, 1 cm above the surface, to simulate an intrusive body. The fluid material was composed by a different Polydimethylsiloxane (PDMS), with density of ~1100 kg/m3 and viscosity of ~ 700 Pa s (Corti et al., 2005). In some experiments volcanic edifices were introduced, modeled with the sand mixture also used for the brittle layer.
      The model parameters that have been changed were the presence or not of a volcanic edifice and/or of an intrusive body, the diameters of both the volcano and the intrusive body, the height of the volcano and the depth of the intrusive body. For details of experimental setups see table 1.
      The stretching of the basal rubber sheet, imposed by using a pure and simple shear deformation apparatus, allowed inducing a progressive, diffuse extension to models.
      The displacement velocity has been varied from 2 to 10 cm/h since -being purely brittle models- the scaling velocity in not relevant. Experiments were performed at the Laboratorie Magmas et Volcans, Université Blaise Pascal (Clermont-Ferrand, France) and at the Tectonic Modeling Laboratory of the CNR-IGG hosted at the Earth Science Department of the University of Florence (Italy).
DOI: 10.5880/fidgeo.2018.001
title: Centrifuge models investigating the influence of transverse pre-existing weaknesses on continental rifting

description: We present the results of centrifuge experiments investigating the role of preexisting crustal discontinuity on continental rifting. Specifically, we reproduce inherited weaknesses, orthogonal to the rift trend and parallel to the extension direction, and analyze their influence on the evolution and architecture of extensional deformation in the inner part and at the margins of continental rift valleys. Four different models, with variable width of the pre-existing weakness are illustrated.
      The models show a significant influence exerted by the pre-existing anisotropy on rifting: specifically, the inherited weakness inhibits the development of large boundary faults at rift margins, which are instead replaced by gentle monoclines dipping toward the rift axis. Axial faults are “captured” by the inherited anisotropy and rotate towards the pre-existing weakness, which therefore produces an unusual structural pattern also in the axial zone. This influence is dependent on the initial width of the pre-rift anisotropy and becomes negligible when its scaled width is 20 km or less.
DOI: 10.5880/gfz.4.1.2016.001
title: Supplement to: Rheological benchmark of silicone oils used for analog modeling of short- and long-term lithospheric deformation

description: The datasets that are presented here have been obtained to provide a rheological benchmark of silicones used in various analog modeling laboratories. The data contains rheological measurements of several polydimethylsiloxanes (PDMS) and filled silicone oils. The samples of eight different silicone oils originate from seven laboratories. Each sample was analyzed using rotational controlled shear rate tests (CSR), temperature sweep test, and dynamical oscillation tests (amplitude and frequency sweeps). Detailed information on the analysis and interpretation of the data is found in Rudolf, et al. (2016).The data is provided as comma-separated files in *.csv format. Each file contains multiple measurements, each starting with own data series information that is followed by the actual measurement in the form of a table including the individual units of measure. Furthermore the results from ReSpect (Takeh & Shanbhag, 2013) for the discrete Maxwell relaxation spectra are provided. All files can be opened using a text-editor, MS Excel, or equivalent software.More information about the datasets is available in the file Explanations_Rudolf-et-al-2016.pdf, an overview on the available files in the List_of_Files_Rudolf-et-al-2016 (in .pdf and .xlsx format). All information and overview files are also included in Rudolf-et-al-2016_datasets.zip.
DOI: 10.5880/gfz.4.1.2016.006
title: GeoMod2008 materials benchmark: The axial test dataset

description: This dataset provides compaction data from axial testing on natural and artificial granular materials used for experimental simulation by the analogue geodynamic modelling community (21 sands and glass beads). The material samples have been collected community-wide and analysed at GFZ Potsdam in the framework of the GeoMod2008 conference benchmark initiative. The context of data collection, details of the material samples and measuring techniques as well as interpretation and discussion of results can be found in Klinkmüller et al. (2016) to which this dataset is supplement material.
description: The data presented here are derived by uniaxial, confined compression testing using the Axial Tester at GFZ Potsdam’s analogue laboratory for tectonic modelling . Each sample has been carefully prepared by the same person and measured consistently following the same protocol. Preparation included sieving at 250 ml/min from 30 cm height into the container (jar). Up to 2000 kPa of uniaxial compression has been applied in 50 cycles. Laboratory conditions were air conditioned during all the measurements (Temperature: 23°C, Humidity: 45%).The resulting stress curve data are presented at 20 Hz frequency and the Unit of N. From the stress curves the compaction data have been derived. These correspond to the normalized sample height (normalized to the initial height) of the sample at the beginning of each cycle and are characterized by an exponential decrease over the 50 cycles. From that the following compaction parameters are derived: total compaction (shortening after 50 cycles Ct=eps50), the compaction during the first cycle (eps1) as well as the compaction index (Ci = eps1/eps50). Compaction data are finally visualized in the compactionDataPlot file.Each material sample has a relation to three files: stress curve data (txt format, 50 files per sample), compaction data (in xls and txt format), compaction plot (pdf format), examples of which are shown below. An overview of all files of the data set is given in the table CompactionDataOverview.xls.
DOI: 10.5880/gfz.4.1.2016.002
title: GeoMod2008 materials benchmark: The ring shear test dataset

description: This dataset provides friction data from ring shear test (RST) on natural and artificial granular materials used for experimental simulation by the analogue geodynamic modelling community (21 sands and glass beads). The material samples have been collected community-wide and analysed at GFZ Potsdam in the framework of the GeoMod2008 conference benchmark initiative. The context of data collection, details of the material samples and measuring techniques as well as interpretation and discussion of results can be found in Klinkmüller et al. (2016) to which this dataset is supplement material.
description: The data presented here are derived by ring shear testing using a SCHULZE RST-01.pc (Schulze, 1994) at GFZ Potsdam’s analogue laboratory for tectonic modelling. Each sample has been carefully prepared by the same person and measured consistently following the same protocol. Preparation included sieving at 250 ml/min from 30 cm height into the shear cell. Measurements have been done at normal loads (normal stress) of 430, 860, 1290, 1720, and 2150 Pa and shear velocity of 3 mm/min typical of experimental conditions. Laboratory conditions were air conditioned during all the measurements (Temperature: 23°C, Humidity: 45%). The measurements presented here correspond to internal friction, shearing inside the material. Data for so-called basal or wall friction, i.e. shearing against a fixed plate, are available on request.The resulting shear stress curves are presented at 5 Hz frequency and the Unit of Pa. From the shear stress curves the friction data, i.e. peak, dynamic and reactivation friction, have been picked manually and are presented as data pairs (normal stress & respective shear strength). Matlab-based regression analysis of these friction data by means of (a) multilinear regression of all data pairs and (b) mutual regression of two data pairs constrains the material shear failure envelope characterized by friction coefficient (slope of regression line) and cohesion (y-axis intercept of regression line). The results are presented by friction plots.
description: Each material sample corresponds to three files: shear stress curves (xls/txt format), friction data (txt format), friction plots (pdf format), examples of which are shown below. An overview of all files of the data set is given in the table RSTDataOverview.
description: Cited reference: Schulze, D. (1994), Entwicklung und Anwendung eines neuartigen Ringschergerätes. Aufbereitungstechnik 35 (10), 524-535.
DOI: 10.5880/gfz.4.1.2016.003
title: GeoMod2008 materials benchmark: The sieve dataset

description: This dataset provides sieve data (grain size distributions) on natural and artificial granular materials used for experimental simulation by the analogue geodynamic modelling community (21 sands and glass beads). The material samples have been collected community-wide and analysed at GFZ Potsdam in the framework of the GeoMod2008 conference benchmark initiative. The context of data collection, details of the material samples and measuring techniques as well as interpretation and discussion of results can be found in Klinkmüller et al. (2016) to which this dataset is supplement material.
description: The data presented here are derived by sieving using a RETSCH Vibratory Sieve Shaker AS 200 basic at GFZ Potsdam’s analogue laboratory for tectonic modelling. Mesh sizes used were 630, 400, 355, 224, 125, and 63 micrometer. 1 kg of each sample material has been sieved for 4 hours at maximum Amplitude (3 mm). Laboratory conditions were air conditioned during all the measurements (Temperature: 23°C, Humidity: 45%).The resulting sieve analysis data are presented as fractions of 1 kg.
description: An overview of all files of the data set is given in the table SieveDataOverview.