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Showing 34701 to 34750 of 59105 works
Der Muskauer Faltenbogen - ein Geotop von europäischer Bedeutung
[…] Der Muskauer Faltenbogen ist eine großräumige glazitektonische Struktur im nordischen Vereisungsgebiet Mitteleuropas. Mit einer Fläche von rund 250 km² und erheblichen Störung…
Seasonal Rainfall Forecasts for the Yangtze River Basin in Summer 2019 from an Improved Climate Service
Rainfall forecasts for the summer monsoon season in the Yangtze River Basin allow decision-makers to plan for possible flooding, which can affect the lives and livelihoods of mill…
Structural controls on the location, geometry, and longevity of an intraplate volcanic system - The Tuatara Volcanic Fi…
Intraplate volcanism is widely distributed across continental interiors. Yet controls on the location, 3D geometry, and longevity of many individual intraplate volcanic systems ar…
Sedimentation and viscosity controls on forearc highs
Crustal rheology and surface processes strongly influence strain distribution and shape of orogenic wedges at their front but how they influence the wedge rear is still unclear. H…
Geogene Grundwasserversalzung in Berlin
[...] Die geogene Grundwasserversalzung ist in Berlin und im Berliner Umland spätestens seit Anfang des 20. Jahrhunderts aufgrund zunehmender Grundwasserförderung stärker in den F…
Global dominance of tectonics over climate in shaping river longitudinal profiles
River networks are striking features engraved into Earths surface, shaped by uplift and erosion under the joint influence of climate and tectonics. How a river descends along its …
The Last Glacial Maximum Balearic Abyssal Plain Megabed revisited
Megabeds are thick sedimentary layers extending over thousands square kilometres in deep sea basins and are thought to result from large slope failures triggered by major external…
Sedimentary Ripple marks from pavements of forts in Jaipur, Rajasthan. India
Prolific occurrence of a variety of ripple trains in popular forts of Jaipur are observed. The occurrence of extensive Geological sample within man-made buildings form a valuable …
Dynamic recrystallisation can produce porosity in shear zones
Creep cavities are increasingly recognised as an important syn-kinematic feature of shear zones but much about this porosity needs investigation. Largely, observations of creep ca…
Geologische Übersichtskarte des Landes Brandenburg 1 : 300 000 – Tiefenlinienkarte der Zechsteinoberfläche
[...] Das Dokument enthält zunächst die Vorstellung der neuen „Tiefenlinienkarte der Zechsteinoberfläche“ durch Horst Beer. Diese Karte ist von zentraler Bedeutung für das Verstän…
A spatial reconstruction of Siberian Last Glacial Maximum climate from pollen data
The Last Glacial Maximum (LGM, around 21.000 years before present) was a period with significantly colder global mean temperature, large Northern Hemisphere ice sheets, and lower …
A Serious Gaming Framework for Decision Support on Hydrological Hazards
In this study, a web-based decision support tool (DST) was developed for hydrological multi-hazard analysis while employing gamification techniques to introduce a competitive elem…
Space-time stress variations on the Palu-Koro fault impacting the 2018 Mw 7.5 Palu earthquake and its seismic hazards
In this study we calculated the Coulomb stress change before and after the 2018 Palu earthquake (Mw7.5) induced by historical large earthquakes on and around the Palu‐Koro fault (…
Beschreibung der hydrogeologischen Teilräume von Hessen gemäß EU-Wasserrahmenrichtlinie (EU-WRRL)
[...] Nach den Vorgaben der Europäischen Wasserrahmenrichtlinie ist im Rahmen der Erstbeschreibung eine Darstellung der geologischen und hydrogeologischen Merkmale von Grundwasser…
Improving the retrieval of offshore-onshore correlation functions with machine learning
The retrieval of reliable offshore-onshore correlation functions is critical to improve our ability to predict long-period ground motions from megathrust earthquakes. However, loc…
Performance of terrestrial laser scanning to characterize managed Scots pine (Pinus sylvestris L.) stands is dependent …
There is a limited understanding of how forest structure affects the performance of methods based on terrestrial laser scanning (TLS) in characterizing trees and forest environmen…
Reply to “Global coastal wetland expansion under accelerated sea-level rise is unlikely”
We thank Törnqvist et al. for engaging with our modelling study on the future response of global coastal wetlands to sea-level rise (SLR) and their careful and critical discussion…
On the formation of oceanic detachment faults and their influence on intra-oceanic subduction initiation: 3D thermomech…
Extensional detachment faults, which have been widely documented in slow-spreading and ultraslow-spreading ridges on Earth, can effectively localize deformation due to their weakn…
Use of geochemical fingerprints to trace sediment sources in an agriculture catchment of Argentina
Soil erosion and associated sediment redistribution are key environmental problems in Central Argentina. Specific land uses and management practices, such as intensive grazing and…
Global inventories of inverted stream channels on Earth and Mars
Data from orbiting and landed spacecraft have provided vast amounts of information regarding fluvial and fluvial-related landforms and sediments on Mars. One variant of these land…
Sedimentologische und geochemische Untersuchungen an Schichten der ausgehenden Saale-Kaltzeit von Jänschwalde (Niederla…
[...] Im Deckgebirge des Braunkohlentagebaus Jänschwalde ist eine Nord-Süd-streichende Beckenstruktur überliefert, die mit Ablagerungen der Saale-Kaltzeit und der Eem-Warmzeit gef…
Integrating UAV photogrammetry with terrestrial laser scanning to characterize managed forest stands
Terrestrial laser scanning (TLS) provides detailed three-dimensional representation of the surrounding forest structure. However, due to close-range hemispherical scanning geometr…
Stress drop variation of deep-focus earthquakes based on empirical Greens function
We analyze source characteristics of global, deep-focus (> 350 km) earthquakes with moment magnitudes (Mw) larger than 6.0-8.2 using teleseismic P-wave and S-wave spectra and a…
Northern peatland depth and lateral expansion is inconsistent with a 1055 GtC estimate of carbon storage
Peatlands contain one of the largest stores of terrestrial carbon and exert a considerable influence on the global climate cycle. However, both the magnitude of the peatland carbo…
Dynamic fault interaction during a fluid-injection induced earthquake: The 2017 Mw 5.5 Pohang event
The November 15th, 2017 Mw 5.5 Pohang earthquake (South Korea) has been linked to hydraulic stimulation and fluid injections, making this the largest induced seismic event associa…
Heutige Höhenlage der Oberfläche holsteininterglazialer mariner und limnischer Sedimente sowie saaleglazialer Flussterr…
[...] Dieser Beitrag erläutert Karte 3 des IGCP-Projekts 346 und nutzt die Oberfläche holsteininterglazialer Ablagerungen als einzigen weiträumig verfügbaren Bezugshorizont zur Qu…
Mechanistic insights into sulfur rich oil formation, relevant to geological carbon storage routes. A study using (+) AP…
Sulfur incorporation into sedimentary organic matter has a key role in carbon preservation in the geosphere. Such processes can inform strategies for human timescale carbon storag…
KliWaMoL – Klimaangepasstes Grundwassermanagement und 3D-Modellierung im Raum Lüneburg
[…] Das Projekt „KliWaMoL“ untersucht die Auswirkungen des Klimawandels und der oberflächennahen Grundwassernutzung auf die Grundwasserversalzung im Raum Lüneburg. Ziel ist die …
Crop residue burning practices across north India inferred from household survey data: bridging gaps in satellite obser…
In north India, agricultural burning adversely affects local and regional air quality during the post-monsoon season (October to November), when the prevailing meteorology is favo…
Effect of fault damage zones on long-term earthquake behavior on mature strike-slip faults
Mature strike-slip faults are usually surrounded by a narrow zone of damaged rocks characterized by low seismic wave velocities. Observations of earthquakes along such faults indi…
Oberer und Mittlerer Buntsandstein im Untergrund des Dieburger Beckens
[...] In einer Kernbohrung im östlichen Dieburger Becken wird unter den känozoischen Sedimenten Oberer und Mittlerer Buntsandstein sedimentologisch nachgewiesen. Die Ablagerungen …
Slip on wavy frictional faults: is the 3rd dimension a sticking point?
The formulation for the 3D triangular displacement discontinuity boundary element method with frictional constraints is described in detail. Its accuracy in comparison to analytic…
Analytical prediction of seismicity rate due to tides and other oscillating stresses
Oscillatory stresses are ubiquitous on earth and other solid-surface bodies. Tides and seasonal signals perpetually stress faults in the crust. Relating seismicity to these stress…
Power law scaling model predicts N2O emissions along the Upper Mississippi River basin
Nitrous oxide, N2O, is widely recognized as one of the most important greenhouse gases, and responsible for stratospheric ozone destruction. A significant fraction of N2O emission…
Erste gemeinsame deutsch-polnische Grenzgebietskartierung
[...] Die Kurzmitteilung berichtet über ein bilaterales Pilotprojekt zur geowissenschaftlichen Kartierung des deutsch-polnischen Grenzraums an der unteren Oder. Unter Einsatz von …
Integrated geotechnical, sedimentological and geophysical investigation of seafloor instabilities in the Gulf of Lions …
The Gulf of Lions presents recurring mass-transport deposits (MTDs) within the Plio-Quaternary sediments suggesting a long history of mass-movements. The two large, surficial MTDs…
Magma diversity reflects recharge regime and thermal structure of the crust
The chemistry of magmas erupted by volcanoes is a message from deep within the Earth’s crust, which if decrypted, can provide essential information on magmatic processes occurring…
Constraining mechanisms of quartz precipitation during silicification and chemical sedimentation in the in the ~2.7 Ga …
Silica-rich Precambrian rocks often preserve geochemical information and microfossil remnants from the early biosphere. Because these rocks are such critical geochemical and paleo…
Erweiterung der Karte des zu erwartenden höchsten Grundwasserstandes (zeHGW) für Berlin im Bereich der Teltow-Hochfläch…
[...] In weiten Teil[...] Die Kenntnis des höchsten zu erwartenden Grundwasserstandes (zeHGW) ist für viele praktische Fragestellungen im Bauwesen, insbesondere für die Bemessung …
Critical fluid injection volumes for uncontrolled fracture ascent
Hydro-fracturing is a routine industrial technique whose safety depends on fractures remaining confined within the target rock volume. Both observations and theoretical models sho…
Pre-inversion normal fault geometry controls inversion style and magnitude, Farsund Basin, offshore southern Norway
Inversion may localise along pre-existing structures within the lithosphere, far from the plate boundaries along which the causal stress is greatest. Inversion style and magnitude…
Global groundwater sustainability
No abstract but introduction: Groundwater resources are the most reliable source of freshwater on the planet, so long as they are sustainably managed. While serious groundwater de…
Mapping invasive Lupinus polyphyllus Lindl. in semi-natural grasslands using object-based analysis of UAV-borne images
Knowledge on the spatio-temporal distribution of invasive plant species is vital to maintain biodiversity in grasslands which are threatened by the invasion of such plants and to …
Mapping surface displacement using a pair of interferograms: comparative study
Interferometric analysis of Synthetic Aperture Radar satellite images (InSAR) measures only one component of ground deformation, in the satellite line-of-sight direction. In order…
Der Teritärwald von Cottbus
[…] Der Beitrag beschreibt den in Cottbus angelegten Tertiärwald als naturkundliche Anlage, die auf wissenschaftlicher Auswertung paläobotanischer Sammlungen basiert. Durch Vergle…
Erdöl-Erdgas-Exploration in Brandenburg - Historie, Ergebnisse, Kenntnisgewinn
[…] Neben vordergründig wirtschaftlichen Zielen in Brandenburg hat die KW-Exploration, die hier von 1960 bis in die 90er Jahre betrieben wurde und weiterhin betrieben wird, durch …
Preliminary hand-held thermal imaging results of sequential monitoring of a simulated deceased individual on terrestria…
Thermal imaging is commonly used by forensic search investigators to locate missing persons, but there is little research on it’s actual effectiveness to detect individuals after …
Structural inheritance and border fault reactivation during active early-stage rifting along the Thyolo fault, Malawi
We present new insights on the geometry, initiation and growth of the Thyolo fault, an 85 km long active border fault in the southern Malawi Rift, from high-resolution topography,…
Kinetics and Products of Chromium(VI) Reduction by Iron(II/III)-Bearing Clay Minerals
Hexavalent chromium is a water-soluble pollutant, the mobility of which can be controlled by reduction of Cr(VI) to less soluble, environmentally benign Cr(III). Iron(II/III)-bear…
Geodetic Evidence for a Buoyant Mantle Plume Beneath the Eifel Volcanic Area, NW Europe
The volcanism of the Eifel volcanic field (EVF), in west-central Germany, is often considered an example of hotspot volcanism given its geochemical signature and the putative mant…
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