254 Works

A 70 3-component sensor deployment to monitor the 2020 EGS stimulation in Espoo/Helsinki, southern Finland - Dataset

Gregor Hillers, Annukka E. Rintamäki, Tommi A. T. Vuorinen, Tuija Luhta, Katriina Arhe, Keith Galvin, Jukka Keskinen, Jari T. Kortström, Tzu-Chi Lin, Pasi Y. Lindblom, Tahvo J. Oksanen, Jonathan M. Pownall, Pirita J. Seipäjärvi, George Taylor, Christina Tsarsitalidou, Ahti I. Voutilainen & David M. Whipp
The stations are part of a seismic network in the Helsinki capital area of Finland in 2020. The stations recorded the response to a second stimulation of a ∼ 6 km deep enhanced geothermal system in the Otaniemi district of Espoo that followed on the first larger stimulation in 2018. The second stimulation from 6 May to 24 May 2020 established a geothermal doublet system. The Institute of Seismology, University of Helsinki (ISUH), installed the...

High Resolution Moho Map of the Eastern Alps

Stefan Mroczek, Frederik Tilmann, Jan Pleuger, Yuan Xiaohui & Heit Ben
This dataset contains a high resolution Moho map of the in the Eastern Alps focused on the SWATH-D network. The Moho map was produced by manually picking the Moho on narrow transects (CCP stacks) calculated with the receiver function method. These manual picks were then fit with a spline in 3-D. Three separate and sometimes overlapping maps are included corresponding to the European, Adriatic, and Pannonian Mohos. In addition to Moho depth, Ps travel time...

The Global Heat Flow Database: Release 2021

Sven Fuchs, Ben Norden &
This data publication contains the compilation of global heat-flow data by the International Heat Flow Commission (IHFC; http://www.ihfc-iugg.org/) of the International Association of Seismology and Physics of the Earth's Interior (IASPEI). The presented data release 2021 contains data generated between 1939 and 2021 and constitutes an updated and extended version of the 2012 IHFC database release (IHFC 2012; later re-published as PANGAEA release: Global Heat Flow Compilation Group, 2013). The 2021 release contains 74,548 heat-flow...

Assetmaster and Modelprop: web services to serve building exposure models and fragility functions for physical vulnerability to natural-hazards

Massimiliano Pittore, Juan Camilo Gomez-Zapata, Nils Brinckmann & Matthias Rüster
Assetmaster and Modelprop are WPS (Web Processing Services) software components written in Python 3. They are implementing two of the several steps of a multi-hazard scenario-based decentralized risk assessment for the RIESGOS project. The reader can find more details in https://github.com/riesgos. Assetmaster provides as output a structural exposure model defined in terms of risk-oriented building classes (for a reference geographical region) in GeoJSON format. The simple service is based on an underlying exposure model in...

The GSI-DTU quasi-geoid based on the UNB Stokes-Helmert scheme for the Colorado Experiment: ColUNBSH-GSI2019

Koji Matsuo & René Forsberg
The ColUNBSH-GSI2019 gravimetric quasi-geoid model has been computed by the Geospatial Information Authority of Japan (GSI) in cooperation with the Technical University of Denmark (DTU). It has been worked out in the frame of the International Association of Geodesy Joint Working Group 2.2.2 "The 1 cm geoid experiment" and the so called "Colorado experiment". The area covered by the model is 109°W ≤ longitude ≤ 103°W, 36°N ≤ latitude ≤ 39°N with a grid spacing...

Accessory Minerals in Felsic Igneous Rocks - Part 8: Composition of fluorapatite from late-Variscan granites of the Erzgebirge−Vogtland metallogenic province, Germany

Hans-Jürgen Förster & Bärbel Gottesmann
This data set is the part 8 of a series reporting chemical data for accessory minerals from felsic igneous rocks. Compositional data were acquired by electron-probe microanalysis (EPMA) between about 1995 and 2005 on surface rocks and borehole samples. This data set assembles the results of EPMA of fluorapatite from felsic rocks representing three groups of granites in the Erzgebirge−Vogtland metallogenic province of Germany emplaced in the late Carboniferous: F-poor biotite granites, F-poor two-mica granites,...

HUST-Grace2020: Monthly gravity field model derived from GRACE mission

Hao Zhou, Zebing Zhou & Zhicai Luo
The HUST-Grace2020 model is the latest GRACE-only gravity field solution developed at Huazhong University of Science and Technology. The model includes a set of spherical harmonic coefficients with different maximum degrees (60 and 90), and they are all unconstrained solutions. During retrieving our model, the reprocessed GRACE L1b RL03 data is used, and the newly de-aliasing product AOD1B RL06 is applied. Further details are presented in Zhou et al. (2018, 2019). This work is supported...

Sound emission from shock-tube experiments for volcanological investigations

Juan José Peña Fernández, Valeria Cigala, Ulrich Kueppers & Jörn Sesterhenn
Explosive volcanic eruptions generate sound mostly in the infrasound (<20 Hz), but also in the acoustic (>20 and < 20k Hz) frequency range. Sound from volcanoes is recorded and used to describe quantitatively properties of the eruptive column, e.g. mass flux, and therefore it has monitoring purposes. However, a physical understanding of the underlying processes, their efficiency, and – maybe most importantly – the acting parameters like gas overpressure, absolute gas/magma volume, fragmentation depth and...

TropSOC Database

Sebastian Doetterl, Benjamin Bukombe, Matthew Cooper, Laurent Kidinda, Daniel Muhindo, Mario Reichenbach, Anna Stegmann, Laura Summerauer, Florian Wilken & Peter Fiener
We provide version 1.0 of an open access database created as part of the project “Tropical soil organic carbon dynamics along erosional disturbance gradients in relation to variability in soil geochemistry and land use” (TropSOC). TropSOC v1.0 contains spatial and temporal explicit data on soil, vegetation, environmental properties and land management collected from 136 pristine tropical forest and cropland plots between 2017 and 2020 as part of several monitoring and sampling campaigns in the Eastern...

Iberomaurusian Sites in Morocco

Taylor Otto
This is a dataset of Iberomaurusian sites in Morocco. In the first sheet, sites are listed with coordinates, site type, bibliographical references and a chronological overview. In the second sheet, the chronlogy for each individual assemblage (/layer) in each site is listed, along with a description and further references for the attribution. The references are included in a third sheet, and finally some notes on the chronocultural definitions in the fourth sheet. The Iberomaurusian is...

Superconducting Gravimeter Data from Aubure - Level 1

Jean-Paul Boy, Séverine Rosat, Jacques Hinderer, Marie-Claire Pierret, Quentin Chaffaut & Frédéric Littel
The International Geodynamics and Earth Tide Service (IGETS) was established in 2015 by the International Association of Geodesy. IGETS continues the activities of the Global Geodynamics Project (GGP) between 1997 and 2015 to provide support to geodetic and geophysical research activities using superconducting gravimeter (SG) data within the context of an international network. As part of this network, the Aubure station (code AU) was established in 2017 thanks to the financial support of the EQUIPEX...

Data from distributed temperature sensing (DTS) measured along a fiber optic cable permanently installed behind casing in well RN-15/DEEPEGS/IDDP-2, Iceland

Martin Peter Lipus & Thomas Reinsch
The fiber optic cable was installed down to 832 m behind the production casing of a 9 5/8" (445-2932 m) and 9 7/8" (0 - 445 m) production casing in well RN-15/DEEPEGS/IDDP-2 in the Reykjanes geothermal field, SW Iceland (depth reference: surface). Fiber optic distributed temperature data was acquired (campaign based) during cementation (09/2016) of the production casing, at the end of the cold fluid injection (09/2018) as well during the onset of well stimulation...

Experimental data on scaled analogue experiments modelling GPS velocity field variations and kinematic partitioning in the Southern Andes (34°S to 42°S)

Jan Oliver Eisermann, Paul Leon Göllner & Ulrich Riller
The southern Andes are regarded as a typical subduction orogen formed by oblique plate convergence. Despite decades of studies, there is considerable uncertainty as to how deformation is kinematically partitioned in the upper plate. Using scaled analogue experiments modelling, we test the concept of dextral transpression for this orogen. We advocate that the GPS velocity field portrays interseismic deformation related to deformation of strong crust north, and weak crust south, of 37°S. Contrary to the...

Rock-Water-Ice topographic gravity field model 2015 (RWI 2015 model)

Thomas Grombein, Kurt Seitz & Bernhard Heck
High-resolution spherical harmonic representation of the Earth's topographic gravitational potential based on a three-layer decomposition of the topography with variable density values. Main features: - Three-layer decomposition of the topography using information of the new 1'x1' Earth2014 topography model - Rigorous separate modeling of rock, water, and ice masses with layer-specific density values: Rock: 2670 kg m-3, Water: 1030 kg m-3 (Ocean), 1000 kg m-3 (Inland), Ice: 917 kg m-3 - Ellipsoidal arrangement of the...

Microstructural and stress data from HR-EBSD and STEM analyses of olivine deformed by low-temperature plasticity

David Wallis, Lars N. Hansen, Kathryn M. Kumamoto, Christopher A. Thom, Oliver Plümper, Markus Ohl, William B. Durham, David L. Goldsby, David E. J. Armstrong, Cameron D. Meyers, Rellie M. Goddard, Jessica M. Warren, Thomas Breithaupt, Martyn R. Drury & Angus J. Wilkinson
This dataset is supplemental to the paper Wallis et al. (2020) and contains data derived from syn-chrotron X-ray diffraction, electron backscatter diffraction (EBSD), high-angular resolution electron backscatter diffraction (HR-EBSD), and scanning transmission electron microscopy (STEM). The da-taset consists primarily of measurements of the effect of annealing on stress heterogeneity meas-ured by X-ray diffraction; maps of lattice orientation measured by EBSD; maps of lattice rotations, densities of geometrically necessary dislocations (GNDs), and heterogeneity in residual stress...

Supporting material for Quantifying tectonic and glacial controls on topography in the Patagonian Andes (46.5°S) from integrated thermochronometry and thermokinematic modeling

Nevena Andrić-Tomašević, Sarah Falkowski, Viktoria Georgieva, Christoph Glotzbach, Manfred R. Strecker & Todd A. Ehlers
The data set includes supporting tables and figures to the main text of the manuscript entitled “Quantifying tectonic and glacial controls on topography in the Patagonian Andes (46.5°S) from integrated thermochronometry and thermokinematic modeling”. The paper focuses on tectonic and glacial contributions to the erosion history and topography in the Patagonian Andes (46.5°S). The data set comprises (i) new bedrock thermochronometric ages (apatite and zircon (U-Th)/He, AHe and ZHe, respectively, and fission-track measurements, AFT and...

Mechanical data of simulated basalt-built faults from rotary shear and direct shear experiments

Piercarlo Giacomel, Roberta Ruggieri, Marco Maria Scuderi, Elena Spagnuolo, Giulio Di Toro & Cristiano Collettini
Here we report the raw data of the friction experiments carried out on basalt-built simulated faults defined by rock-on-rock contacts and powdered gouge. The experiments were specifically designed to investigate the role of fault microstructure on the frictional properties of basalts and the fault slip stability, and were conducted with the rotary-shear apparatus (SHIVA) and the biaxial deformation apparatus (BRAVA), hosted at the National Institute of Geophysics and Volcanology (INGV) in Rome. Simulated faults were...

High resolution Digital Elevation Model of Merapi summit in 2015 generated by UAVs and TLS and TanDEM-X

Thomas R. Walter & Herlan Darmawan
This data is an high resolution Digital Elevation Model (DEM) generated for the Merapi summit by combining terrestrial laser scanning (TLS) and unmanned aerial vehicles (UAVs) photogrammetry data and TanDEM-X data acquired in the years between 2012 and 2017. The structures of the data are further analysed in Darmawan et al. 2017a (http://doi.org/10.1016/j.jvolgeores.2017.11.006), and a previous DEM was available in Darmawan et al. 2017b (https://doi.org/10.5880/GFZ.2.1.2017.003). The 3D point clouds of the different data were merged...

Collaborative Research Centre 228: Future Rural Africa: Baseline Household Survey (2019) - Kenya

Emmanuel Nshakira-Rukundo, David Greven, Martin Paul jr. Tabe-Ojong, Michael Bollig, Jan Börner, Peter Dannenberg, Clemens Greiner & Thomas Heckelei
This is a baseline household survey dataset of rural households from Baringo County in Kenya, collected in June and August 2019 as part of the Collaborative Research Centre 228: Future Rural Africa project. The dataset is organised in 26 sections including household socio-demographic characteristics, aspiration and locus of control, asset holding, shock exposure, livestock and cropping patterns among others.The survey captures 4,481 individuals in 705 households across 47 enumeration areas. The dataset is provided in...

GFZ repro3 product series for the International GNSS Service (IGS)

Benjamin Männel, Andre Brandt, Markus Bradke, Pierre Sakic, Andreas Brack & Thomas Nischan
GFZ acts as a global analysis center of the International GNSS Service (IGS) and provides operationally ultra-rapid (last 24h), rapid (last day), and final (last week) solutions and contributes to the reprocessing activities of the IGS. The GFZ repro3 product solution series covers data from 1994 to 2020 and is published in daily and weekly files. The following satellite systems are contained: GPS (from 1994), GLONASS (from 2012), and Galileo (from 2014).

„In Technology we Trust“: Digital Visions and their Implications for Agricultural Development in Eastern Africa

Astrid Matejcek, Rupert Neuhöfer, Julian Rochlitz & Julia Verne
The rapid spread of mobile information and communication technologies in Africa has spurred new hopes for agricultural development. In contrast to earlier initiatives that focused on technological assistance in the context of the “green revolution”, projects today increasingly rely on mobile phone applications, the use of tablets and different sensor technologies to enhance agricultural productivity and resilience. In light of the long history of technological approaches to agricultural development, in this contribution, we follow the...

Differentiating between hydrothermal and diagenetic carbonates using rare earth element and yttrium (REE+Y) geochemistry: A case study from the Paleoproterozoic George Fisher massive sulphide Zn deposit

Philip Rieger, Joseph M. Magnall, Sarah A. Gleeson, Marcus Oelze, Franziska D.H. Wilke & Richard Lilly
Carbonate minerals are ubiquitous in most sediment-hosted mineral deposits. These deposits can contain a variety of carbonate types with complex paragenetic relationships. When normalized to chondritic values (CN), rare-earth elements and yttrium (REE+YCN) can be used to constrain fluid chemistry and fluid-rock interaction processes in both low- and high-temperature settings. Unlike other phases (e.g., pyrite), the application of in situ laser ablation-inductively coupled plasma-mass spectroscopy (LA-ICP-MS) data to the differentiation of pre-ore and hydrothermal carbonates...

Anillo

Frederik Tilmann, Ben Heit, Marcos Moreno & Diego González-Vidal
The Anillo is a dense temporary seismic and geodetic network extending approximately 200 km along the strike of the subduction zone in North Chile in order to investigate how earthquakes and aseismic slip scale over a broader spectrum of source sizes, to understand the complex relationships between seismic and aseismic deformation, and to identify possible structural controls. This experiment is embedded into a larger scale experimental effort carried out by institutions in Germany and Chile....

KTB Borehole Measurements: Gravimetry inside the borehole of the German Continental Deep Drilling Program

Jochem Kueck, Ronald Conze, Kurt Bram, Hans Draxler, Gustav Zoth, Winfried Kessels & Ralph Hänel
KTB Borehole Measurements Data Gravimetry inside the borehole Extensive borehole measurements were performed during the active drilling phase of the KTB pilot and main hole. The data report STR 21/03 KTB Borehole logging data contains the full description of the logging data given here. Please read it thoroughly to avoid inappropriate or wrong use of the data. The KTB borehole measurement data files contain the final processed versions of logging data from the two KTB...

Hydroclimate changes in eastern Africa over the past 200,000 years may have influenced early human dispersal

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Reconstructions of climatic and environmental conditions can contribute to current debates about the factors that influenced early human dispersal within and beyond Africa. Here we analyse a 200,000-year multi-proxy paleoclimate record from Chew Bahir, a tectonic lake basin in the southern Ethiopian rift. Our record reveals two modes of climate change, both associated temporally and regionally with a specific type of human behaviour. The first is a long-term trend towards greater aridity between 200,000 and...

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