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Showing 34101 to 34150 of 59105 works
Unfolding Veined Fold Limbs to Deduce a Basins Prefolding Stress State
Tectonic structures that developed prior to folding, such as pre- and early-kinematic veins, hold valuable information on the stress state of the paleobasin in which these early s…
Machine Learning Reveals the State of Intermittent Frictional Dynamics in a Sheared Granular Fault
The seismogenic plate boundaries are presumed to behave similarly to a densely packed granular medium, where fault and blocks systems rapidly rearrange the distribution of forces …
Autogenic translation and concave bank deposition in meandering rivers
Although it has long been recognized that deposition along meandering rivers is not restricted to convex banks, the consensus is that external forcing, that is, confinement by an …
Jungpleistozäne und holozäne Böden und Bodenverlagerungen – ein Beispiel aus dem Taunusvorland bei Wiesbaden
[...] In einer Doline im Wiesbadener Dyckerhoff-Steinbruch nördlich der A 66 liegt über verschwemmtem Mittel- und Jungwürm-Löss mit dem Hainerberger (Lohner) Boden ein schwach ent…
Das Geotop Klinge – pollenanalytische Untersuchungen an den saalespätglazialen bis weichselfrühglazialen Ablagerungen d…
[...] Die Studie präsentiert eine detaillierte palynologische Neuuntersuchung der Sedimentabfolge in der ehemaligen Dominalgrube von Klinge, einem der bedeutendsten Eem-Vorkommen …
Die Entwicklung des Wandlitzer Sees und seiner Umgebung (Naturpark Barnim) seit dem ausgehenden Weichsel-Glazial
[...] Die Studie rekonstruiert die Landschafts- und Vegetationsgeschichte des Wandlitzer Sees im Naturpark Barnim seit dem Ende der Weichsel-Kaltzeit. Methodisch basiert die Unter…
Die Oder greift ins Elbegebiet – Spannungsverhältnisse und Sollbruchstellen zwischen zwei Flussgebieten
[...] Die Untersuchung analysiert die komplexen hydrographischen Beziehungen zwischen den Einzugsgebieten von Oder und Elbe im nordmitteleuropäischen Tiefland. Ein zentraler Fokus…
Die kraternahen vulkanischen Bildungen des Steinbruchs „Rauher Berg“ NNE Brauerschwend (NE-Rand des Vogelsberges)
[…] Die Untersuchung der Vulkanite und Pyroklastite des Steinbruchs „Rauher Berg“ am nordöstlichen Rand des Vogelsbergs zeigt, dass sich die Gesteine in unmittelbarer Nähe eines v…
Hydrodynamic control of gas-exchange velocity in small streams
Gas exchange is a critical component of any biogeochemical mass balance model of dissolved gases in aquatic systems, yet the magnitude and drivers of spatial and temporal variatio…
Der Bergrutsch am Nordhang der Hörne bei Bad Sooden-Allendorf (Nordhessen) am 21.7.1985
[…] Der Beitrag untersucht den Bergrutsch am Nordhang der Hörne bei Bad Sooden-Allendorf vom 21. Juli 1985 anhand direkter Beobachtungen kurz nach Beginn der Massenbewegung. Analy…
Zealandia’s Early Paleozoic sandstones: detrital mineralogy of the Greenland and Reefton Groups
New point counts of 13 Buller Terrane sandstones have been made. The results suggest a less quartzose and more lithic rich content of detrital sand grains in the Ordovician Greenl…
Determining sources of placer minerals using U-Pb ages of detrital zircons: example of auriferous quartz pebble conglom…
We have dated populations of detrital zircons in two Miocene gold-bearing quartz pebble conglomerates, one at St Bathans in Central Otago and one near Gore in Northern Southland. …
Revised three-dimensional geometry of the platiniferous Hekeia Gabbro, Longwood Range, Southland
The Hekeia Gabbro in the Longwood Range of Southland is prospective for platinum group element mineralisation. Recently acquired geological and isotopic data, combined with reinte…
Cretaceous tectonics and gold mineralisation in the Otago Schist, New Zealand
This paper provides a regional-scale background for understanding gold-mineralising processes in the Otago Schist during the Cretaceous. At this time the schist belt was in the la…
Aktuelle Informationen zur stratigraphischen Zuordnung eustatisch und tektonisch kontrollierter Ablagerungssequenzen de…
[...] Vor dem Hintergrund steigender Rohstoffpreise analysiert der Beitrag die komplexen Bildungsbedingungen der Zechstein-Ablagerungen im mitteleuropäischen Becken, mit besondere…
Regional geological framework of New Zealands mineral deposits
New Zealand is the emergent part of a 4.9 Mkm2, mainly submerged continent in the SW Pacific Ocean that was formerly part of the Gondwana supercontinent. The geology can be descri…
The 2018-2019 seismo-volcanic crisis east of Mayotte, Comoros islands: seismicity and ground deformation markers of an …
On May 10th, 2018, an unprecedented long and intense seismic crisis started offshore, east of Mayotte, the easternmost of the Comoros volcanic islands. The population felt hundred…
Diagnosing spatial biases and uncertainties in global fire emissions inventories: Indonesia as regional case study
Models of atmospheric composition rely on fire emissions inventories to reconstruct and project impacts of biomass burning on air quality, public health, climate, ecosystem dynami…
New insights on lake sediment DNA from the catchment: importance of taphonomic and analytical issues on the record qual…
Over the last decade, an increasing number of studies have used lake sediment DNA to trace past landscape changes, agricultural activities or human presence. However, the processe…
Core Formation and Geophysical Properties of Mars
The chemical and physical properties of the interiors of terrestrial planets are largely determined during their formation and differentiation. Modeling a planet’s formation provi…
Dynamics of the lithosphere and upper mantle in light of seismic anisotropy
Seismic anisotropy records continental dynamics in the crust and convective deformation in the mantle. Deciphering this archive holds huge promise for our understanding of the th…
Eine Foraminifere (Fusulinacea) aus den Langen-Schichten (Rotliegend, Perm) des Sprendlinger Horstes (Süddeutschland)
[…] In den Rotliegend-Sedimenten des Sprendlinger Horstes wurden Foraminiferen gefunden. Das Auftreten dieser Fusulinacea in einem intrakontinentalen Playasee wird als autochthon …
RSFit3000: A MATLAB GUI-Based Program for Determining Rate and State Frictional Parameters from Experimental Data
We present a MATLAB, graphical user interface (GUI) software package for analyzing rate and state friction experiments. Called RSFit3000, the software allows users to easily const…
Structural and geodynamic modelling of the influence of granite bodies during lithospheric extension: application to th…
Intra-basinal highs within classic ‘block and basin’ style tectonic frameworks, in areas such as northern England, are underpinned by large granite bodies. This is widely believed…
Human-induced fire regime shifts during 19th century industrialization: a robust fire regime reconstruction using north…
Fire regime shifts are driven by climate and natural vegetation changes, but can be strongly affected by human land management. Yet, it is poorly known how exactly humans have inf…
Lithological, petrophysical and seal properties of mass-transport complexes (MTCs), northern Gulf of Mexico
Mass transport complexes (MTCs) are one of the most sedimentologically and seismically distinctive depositional elements in deep-water depositional systems. Seismic reflection dat…
Can a Raspberry Shake Seismic Network Complement a National Seismic Network? A case study in Haiti
Complex networks of high-tech sensors are tough to operate and maintain in developing countries – but new low-costs, low-maintenance instruments may help. Because they are “connec…
Oberdevonische Radiolarien aus Kieselschiefer-Geröllen des unteren Maintales bei Frankfurt a. M.
[…] Aus Geröllen heller oberdevonischer Kieselschiefer in pleistozänen Schottern des unteren Maintales bei Frankfurt a. M. mit Herkunft aus dem Frankenwald werden zehn Radiolarien…
High-resolution prediction of organic matter concentration with hyperspectral imaging on a sediment core
In the case of environmental samples, the use of a chemometrics-based prediction model is highly challenging because of the difficulty in experimentally creating a well-ranged ref…
Bayesian atmospheric correction over land: Sentinel-2/MSI and Landsat 8/OLI
Mitigating the impact of atmospheric effects on optical remote sensing data is critical for monitoring intrinsic land processes and developing Analysis Ready Data (ARD). This work…
Technical note on the multi-GNSS, multi-frequency and near real-time ionospheric TEC monitoring system for South America
Development of regional services able to provide ionospheric total electron content (TEC) maps with a high spatial resolution, and in near real-time, are of high importance for ap…
Long Range Correlation in Redox Potential Fluctuations Signals Energetic Efficiency of Bacterial Fe(II) Oxidation
Differentiating biotic and abiotic processes in nature remains a persistent challenge, specifically in evaluating microbial contributions to geochemical processes through time. Bu…
Deep Learning Application for 4D Pressure Saturation Inversion Compared to Bayesian Inversion on North Sea Data
In this work we present a deep neural network inversion on map-based 4D seismic data for pressure and saturation. We present a novel neural network architecture that trains on sy…
Geologen nun in Cottbus
[...] Dieser Bericht aus dem Landesamt für Bergbau, Geologie und Rohstoffe (LBGR) dokumentiert den organisatorischen und räumlichen Umzug der geowissenschaftlichen Abteilung im Ap…
geomIO: an open-source MATLAB toolbox to create the initial configuration of 2D/3D thermo-mechanical simulations from 2…
Creating the initial geometry and temperature configuration of 3D numerical simulations is a challenging task. Professional tools are expensive. They often have a steep learning c…
Reconstruction of Cloud Vertical Structure with a Generative Adversarial Network
We demonstrate the feasibility of solving atmospheric remote sensing problems with machine learning using conditional generative adversarial networks (CGANs), implemented using co…
Bayesian Dynamic Finite-Fault Inversion: 2. Application to the 2016 Mw6.2 Amatrice, Italy, Earthquake
In 2016 Central Italy was struck by a sequence of three normal faulting earthquakes with moment magnitude (Mw) larger than 6. The Mw 6.2 Amatrice event (08/24) was the first one, …
The influence of base-salt relief, rift topography and regional events on salt tectonics offshore Morocco
This study integrates borehole-calibrated 2D and 3D seismic interpretation with numerical models to provide a regional analysis of the complex salt tectonics offshore central Moro…
PREPRINT- Adsorption behavior of new theophylline-triazole based derivatives as effective corrosion inhibitors for stee…
The design and synthesis of a series of theophylline derivatives containing 1,2,3-triazole moieties is presented. The corrosion inhibition activities of these new triazole-theophy…
Minibasin depocentre migration during diachronous salt welding, offshore Angola
Salt tectonics is an important part of the geological evolution of many continental margins, yet the four-dimensional evolution of the minibasins, the fundamental building block o…
Coupled, Physics-based Modeling Reveals Earthquake Displacements are Critical to the 2018 Palu, Sulawesi Tsunami
The September 2018, Mw 7.5 Sulawesi earthquake occurring on the Palu-Koro strike-slip fault system was followed by an unexpected localized tsunami. We show that direct earthquake-…
Getope und ihre Unterschutzstellung in Berlin
[…] In den Randbereichen Berlins genießen Landschaftsbilder einen gewissen Schutzstatus, während geologische Objekte – mit Ausnahme von Findlingen – kaum geschützt sind. Eine ehem…
Modeling megathrust earthquakes across scales: one-way coupling from geodynamics and seismic cycles to dynamic rupture
Taking the full complexity of subduction zones into account is important for realistic modelling and hazard assessment of subduction zone seismicity and associated tsunamis. Study…
Reconstructing the Anak Krakatau flank collapse that caused the December 2018 Indonesian tsunami
Volcanogenic tsunamis are one of the deadliest volcanic phenomena. Understanding their triggering processes and mitigating their effect remains a major challenge. On 22 December 2…
McHargue et al Architectural Diversity of Submarine Lobes
The most popular model for submarine unconfined lobate deposits has the following attributes: (1) a single feeder channel that delivers sediment, (2) a set of distributary channel…
Vergleichende Analyse und Validierung flächenhafter Bewertungsmethoden der Grundwasservulnerabilität am Beispiel Nordos…
[...] Die Bewertung der Grundwasservulnerabilität ist ein wichtiges Instrument für den Schutz der Grundwasserressourcen vor chemischer Verschmutzung. In diesem Beitrag wird eine v…
The Stratigraphic Record of Minibasin Subsidence, Precaspian Basin, Kazakhstan
Minibasins are fundamental components of many salt-bearing sedimentary basins, where they may host large volumes of hydrocarbons. Although we understand the basic mechanics govern…
Current Development of Tourism and Recreation on Baltic Sea Coasts: New Directions and Perspectives
Research work analyses current situation and development of tourism in the region of Baltic Sea. Specific case study of this paper is Pärnu Bay, Estonia. This region is known for …
Current Problems of Water Supply and Usage in Central Asia, Tian Shan Basin
The paper focuses on analysis of Central Asian hydro-energetic system and water usage in Tian Shan region. Tian Shan system is an important water resource in Central Asia: river w…
Opportunities for Classes of Geography in the High School: the Use of ’CORINE’ Project Data, Satellite Images and IDRIS…
Presented work illustrates application of the GIS based processing of various geographic data: satellite images and CORINE (Coordination of Information on the Environment) layers …
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