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Showing 34301 to 34350 of 59105 works
Robust Q estimation using surface seismic data
Direct wave arrivals are the most robust signals to determine velocity and consequently they have been used for almost a century in hydrocarbon exploration. The reason is simple …
Basement-Controlled Deformation of Sedimentary Sequences, Anadarko Shelf, Oklahoma
Structures rooted in the crystalline basement frequently control the deformation of the host bedrock and the overlying sedimentary sequences. Here, we elucidate the structure of t…
Crop residues are a key feedstock to bioeconomy but available methods for their estimation are highly uncertain
Crop residues are acknowledged as a key biomass resource to feed tomorrow’s sustainable bioeconomy. Yet, the quantification of these residues at large geographical scales is prima…
Die „Horn'sche Anomalie“ bei Warburg – Eine magnetische Neuvermessung
[...] Die erweiterte magnetische Neuvermessung der „Horn'schen Anomalie“, einer durch einen Basaltschlotkomplex verursachten Anomalie des magnetischen Totalfelds, wird vorgestellt…
From XRF and hyperspectral analyses to an automatic way to detect flood events on sediment cores
Long-term changes in flood activity have often been reconstructed to understand their relationships to climate changes. This requires to identify flood layers according to certain…
Explaining the dependence of M-site diffusion in forsterite on silica activity: a Density Functional Theory approach
Experimentally silica activity (aSiO2) has been shown to have an effect on Mg diffusion in forsterite but without any obvious mechanism. We calculated the effects of aSiO2 and al…
Framework for consequential life cycle assessment of pyrolysis biorefineries: A case study for the conversion of primar…
The development of bioeconomy needs to accelerate in order to get rid of fossil fuels and products. The production of bio-based products and renewable energy sources from the ther…
Overview of recent land cover changes in the biodiversity hotspots
Biodiversity hotspots are the most biologically rich, yet threatened, terrestrial regions. From 1992 to 2015, they underwent 148 Mha of land cover changes, including forest losses…
Abgedeckte geologische Karte, Höhenlage der Quartärbasis und Mächtigkeitsverteilung von pleistozänen Terrassenkiesen im…
[...] Anhand von Bohrergebnissen im Raum Kassel (Nordhessen) wurde eine „Abgedeckte Geologische Karte“ erstellt. Damit konnten die entsprechenden aktuellen GK 25 in einigen Bereic…
The Volcanic & Magmatic Studies Group Equality, Diversity and Inclusion Report 2020
The Volcanic and Magmatic Studies Group (VMSG) takes equality, diversity and inclusion (EDI) seriously and we recognise that the under-representation and/or unconscious marginalis…
Volcanic and Magmatic Studies Group Members Survey 2020
The Volcanic & Magmatic Studies Group (VMSG) is a joint Special Interest Group of the Geological Society of London and Mineralogical Society. In January 2020 we conducted an o…
Small-scale capillary heterogeneity linked to rapid plume migration during CO2 storage
Unpredicted, rapid plume elongation has been observed at subsurface CO2 storage projects worldwide, exemplified by the Sleipner project. We show that conventionally ignored centim…
Comparison of U-Pb detrital zircon signatures across sediment routing system segments: insights from the late Pleistoce…
The Pleistocene Mississippi sediment routing system has experienced significant drainage reorganizations in response to Northern Hemisphere glaciation. Geologically recent (<25…
Ein Limulide aus dem Zechstein (Oberes Perm) der Korbacher Bucht (Hessen, Bundesrepublik Deutschland)
[…] Erstbeschreibung eines Limuliden aus dem marinen Zechstein des nordwesteuropäischen Zechsteinbeckens. Aufgrund des Erhaltungszustands ist lediglich eine Zuordnung zur Überfami…
Transgressive sills and lateral lava flows: On the visual observation of igneous sheets in rugged terrains and the opti…
Abstract Transgressive sills are of common occurrences in rift-related offshore and onshore sedimentary settings worldwide and have been reported in onshore volcanic settings in e…
Die Forschungsbohrung Klosterrohrbach in der Helme-Niederung bei Sangerhausen - Interdisziplinäre Untersuchungen an Sed…
[…] Das Landesamt für Geologie und Bergwesen Sachsen-Anhalt (LAGB) hat in der Helme-Niederung im südöstlichen Harzvorland die Forschungsbohrung Klosterrohrbach (FB-Krb 1/2013) zwe…
Visualizing the daily evolution and extent of snow drought
Snow droughts are commonly defined as below average snowpack at a point in time, typically 1 April in the western United States. This definition is valuable for interpreting the s…
Zur Karte der Tiefliegenden Bodenschätze/Geopotentiale des Landes Brandenburg im Maßstab 1 : 300 000
[...] Der Beitrag erläutert die Konzeption und den Inhalt der Karte der tiefliegenden Bodenschätze Brandenburgs. Als solche werden Geopotenziale definiert, die durch Bohrungen (Fl…
Estimating survival probability using the terrestrial extinction history for the search for extraterrestrial life
Several exoplanets have been discovered to date, and the next step is the search for extraterrestrial life. However, it is difficult to estimate the number of life-bearing exoplan…
Changes in temperature and rainfall extremes across East Asia in the CMIP5 ensemble
We analyze annual extremes of daily maximum and minimum surface air temperature and of daily rainfall in East Asia and the Korean peninsula. This study made intensive use of the s…
The Anthropozoic era revisited
This paper explains in some detail the poorly known proposal of Stoppani (1873) regarding the Anthropozoic era, whose beginning was defined by the first traces of human presence o…
Contributions of paleoecology to Easter Island’s prehistory: a thorough review
Easter Island (Rapa Nui) is well known for the enigmas surrounding its unique megalithic statues, the moai, and the prehistoric (i.e., pre-European contact) Rapanui society that b…
Observing traveling waves in glaciers with remote sensing: New flexible time series methods and application to Sermeq K…
The recent influx of remote sensing data provides new opportunities for quantifying spatiotemporal variations in glacier surface velocity and elevation fields. Here, we introduce …
Energetic Rupture and Tsunamigenesis during the 2020 Mw 7.4 La Crucecita, Mexico Earthquake
The La Crucecita earthquake ruptured on the megathrust generating strong shaking and a modest, long-lived tsunami. This is a significant earthquake that illuminates important aspe…
A general expression for wave-induced sediment bypassing of an isolated headland
Accurate knowledge of the sediment budget of a coastal cell is necessary for coastal management and predicting long-term coastal change. An important component in the sediment bud…
Glazigene Deformationen im Topbereich der Struktur Rüdersdorf bei Berlin - Wechselwirkungen zwischen mesozoischem Festg…
[...] Der Naturwissenschaftliche Verein der Niederlausitz e. V., gegründet 1990 als Förderverein des Museums der Natur und Umwelt Cottbus, widmet sich der naturwissenschaftlichen …
An Eddy-Zonal Flow Feedback Model for Propagating Annular Modes
The variability of the zonal-mean large-scale extratropical circulation is often studied using individual modes obtained from empirical orthogonal function (EOF) analyses. The pre…
How Extreme Weather Events Are Attributed to Anthropogenic Global Warming
Many politicians and media personalities continue to cast doubt on the idea that anthropogenic global warming (AGW) – the primary driver of current global climate change – could p…
Navigating groundwater model uncertainty analysis
The design of a groundwater model is based on the model objective, the management or research question that the model seeks to address. Designing the uncertainty analysis of a gro…
pipedream: an interactive digital twin model for urban drainage networks
Faced with growing water infrastructure challenges, many cities are now seeking to build digital twins of urban stormwater systems that combine sensor data with online models in o…
Stress perturbations from hydrological and industrial loads and seismicity in the Salt Lake City region
The March 18, 2020 M5.7 Magna earthquake awakened people from decades of seismic quiescence in Salt Lake City, Utah. The event occurred just east of a mine tailings impoundment th…
Adopting deep learning methods for airborne RGB fluvial scene classification.
River environments are among the world’s most threatened ecosystems. Enabled by the rapid development of drone technology, hyperspatial resolution (<10 cm) images of fluvial sc…
Petrographie und Geochemie der magmatogenen Gerölle in Konglomeraten des Kulms im Hinblick auf ihre Herkunft von der Mi…
[…] Die Arbeit untersucht magmatogene Gerölle in Kulmkonglomeraten des östlichen Rheinischen Schiefergebirges, Harzes und Frankenwaldes hinsichtlich ihrer petrographischen, geoche…
Sedimentary structures discriminations with hyperspectral imaging on sediment cores
Hyperspectral imaging (HSI) is a non-destructive high-resolution sensor, which is currently under significant development to analyze geological areas with remote devices or natura…
dragon: A New Tool for Exploring Redox Evolution Preserved in the Mineral Record
The flow of energy and elements between the geosphere and biosphere can be traced through changing redox chemistry of Earth’s surface. Deep-time trends in the mineral record, incl…
Whats down there? The structures, materials and environment of deep-seated tremor and slip
Episodic tremor and slow slip (ETS) events occur downdip of the seismogenic zone of numerous subduction megathrusts and plate boundary strike-slip faults. These events represent a…
Die Auswertung von Fernerkundungsdaten zur Deichzustandseinschätzung
[…] Der Beitrag untersucht die geologischen Grundlagen und Rohstoffpotenziale im Bereich des Deichbaus an der Oder im Kontext des Hochwassers 1997. Auf Basis von Lagerstättenübers…
Buchbesprechung
[...] Der Beitrag präsentiert eine Rezension des von Andreas Börner verfassten Exkursionsführers über die Mecklenburgische Seenplatte, der in der Reihe „Streifzüge durch die Erdge…
Das geothermische Feld in Brandenburg
[...] Die Autoren analysieren das Temperatur- und Wärmestromfeld im Untergrund von Brandenburg als Grundlage für die Nutzung geothermischer Energie. Der Beitrag beschreibt die reg…
Hessisches Geologisches Schrifttum 1986 mit Nachträgen aus den Jahren 1975-1985
[…] Bibliographische Zusammenstellung geowissenschaftlicher Veröffentlichungen mit Hessenbezug aus dem Jahr 1986 sowie Nachträgen aus den Jahren 1975 bis 1985. Erfasst werden Arbe…
Grundzüge des geologischen Baus von Brandenburg
[…] Die kurze Beschreibung der Geologie Brandenburgs konzentriert sich auf seine regionalgeologische Position als Teil der Mitteleuropäischen Senke (Mittel- und Nordbrandenburg) u…
Modelling an energetic tidal strait: investigating implications of common numerical configuration choices
Characterising tidal hydrodynamics in the vicinity of submerged features can be demanding given the hostility of the marine environment. Logistical challenges in the measurement o…
Principles of Shortening in Salt Basins Containing Isolated Minibasins
Shortening styles in salt-influenced basins can vary markedly, with the volume and distribution of salt prior to shortening being a key control. Here we use a suite of physical mo…
Frequent Mass Movements from Glacial and Lahar Terraces, Controlled by Both Hillslope Characteristics and Fluvial Erosi…
Mass movements from glacial and lahar terraces in the middle and lower reaches of rivers draining the Washington Cascade Range to Puget Sound may represent a substantial portion o…
Rapid heat discharge during deep-sea eruptions generates megaplumes and disperses tephra
Deep-marine volcanism drives Earth’s most energetic transfers of heat and mass between the crust and the oceans. Seafloor magmatic activity has been correlated in time…
Precursory slow slip and foreshocks on rough faults
Foreshocks are not uncommon prior to large earthquakes, but their physical mechanism controversial. Two interpretations have been put forward: 1. foreshocks are driven by aseismi…
Bayesian inference for fault slip distributions based on ensemble modeling of the uncertainty of underground structure
The prediction errors that originate from the uncertainty of underground structure is often a major contributor of the errors between the data and the model predictions in fault s…
Geowissenschaftler Berlin-Brandenburg
[...] Die Alfred-Wegener-Gedenkstätte in Zechlinerhütte bei Rheinsberg wurde nach 25 Jahren restauriert und am 29. April 1995 feierlich wiedereröffnet. Sie gilt weltweit als einzi…
On the effect of grain fragmentation on frictional instabilities in faults with granular gouge
The evolution of frictional strength during stick-slip dynamics of a fault system is key to understanding the earthquake nucleation and rupture patterns. In mature faults, granula…
“Enriching Lives within Sedimentary Geology”: Actionable Recommendations for Making SEPM a Diverse, Equitable and Inclu…
Innovative science benefits from diversity of thought and influence at all waypoints along the scientific journey, from early education to career-length contributions in research …
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