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Anzeige der Dokumente 401-420 von 7025
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Central Mediterranean tephrochronology between 313 and 366 ka: New insights from the Fucino palaeolake sediment succession
; ; ; ; ; ; ; ; ; ; ; (Boreas, 2022-12-09)
Thirty‐two tephra layers were identified in the time‐interval 313–366 ka (Marine Isotope Stages 9–10) of the Quaternary lacustrine succession of the Fucino Basin, central Italy. Twenty‐seven of these tephra layers yielded ... -
First application of dental microwear texture analysis to infer theropod feeding ecology
; ; ; ; (Palaeontology, 2022-12-09)
Theropods were the dominating apex predators in most Jurassic and Cretaceous terrestrial ecosystems. Their feeding ecology has always been of great interest, and new computational methods have yielded more detailed ... -
Cenozoic Proxy Constraints on Earth System Sensitivity to Greenhouse Gases
; ; (Paleoceanography and Paleoclimatology, 2022-12-08)
The long‐term extent of the Earth system response to anthropogenic interference remains uncertain. However, the geologic record offers insights into this problem as Earth has previously cycled between warm and cold intervals ... -
Hindered Trench Migration Due To Slab Steepening Controls the Formation of the Central Andes
; ; ; (Journal of Geophysical Research: Solid Earth, 2022-12-08)
The formation of the Central Andes dates back to ∼50 Ma, but its most pronounced episode, including the growth of the Altiplano‐Puna Plateau and pulsatile tectonic shortening phases, occurred within the last 25 Ma. The ... -
Estimating the benefit of Doppler wind lidars for short‐term low‐level wind ensemble forecasts
; ; ; ; ; (Quarterly Journal of the Royal Meteorological Society, 2022-12-08)
This work focuses on the potential of a network of Doppler lidars for the improvement of short‐term forecasts of low‐level wind. For the impact assessment, we developed a new methodology that is based on ensemble sensitivity ... -
Partial melting and reaction along deformation features in plagioclase
;; ; (Journal of Metamorphic Geology, 2022-12-07)
Geological processes involving deformation and/or reactions are highly influenced by the rock grain size, especially if diffusion‐controlled processes take place such as metamorphic reactions and diffusion creep. Although ... -
Impact of Parametrizing Microphysical Processes in the Jet and Vortex Phase on Contrail Cirrus Properties and Radiative Forcing
; (Journal of Geophysical Research: Atmospheres, 2022-12-07)
Contrail ice nucleation and ice crystal loss during the vortex phase control ice crystal numbers in young contrails and can have a strong impact on the properties and the life cycle of contrail cirrus. For current soot ... -
Reducing tillage intensity benefits the soil micro‐ and mesofauna in a global meta‐analysis
; ; (European Journal of Soil Science, 2022-12-05)
Soil fauna drives crucial processes of energy and nutrient cycling in agricultural systems, and influences the quality of crops and pest incidence. Soil tillage is the most influential agricultural manipulation of soil ... -
Do Emergent Constraints on Carbon Cycle Feedbacks Hold in CMIP6?
; ; ; ; (Journal of Geophysical Research: Biogeosciences, 2022-12-05)
Emergent constraints on carbon cycle feedbacks in response to warming and increasing atmospheric CO2 concentration have previously been identified in Earth system models participating in the Coupled Model ... -
Zooplankton‐derived dissolved organic matter composition and its bioavailability to natural prokaryotic communities
; ; ; ; ; ; ; ; ; ; ; (Limnology and Oceanography, 2022-12-02)
Zooplankton grazing onphytoplankton promotes the release of particulate and dissolved organic matter (DOM) into the water column and therefore plays a key role in organic matter cycling in aquatic systems. Prokaryotes are ... -
The Interface Between Magma and Earth's Atmosphere
; ; (Geochemistry, Geophysics, Geosystems, 2022-12-01)
Volatiles released from magma can form bubbles and leave the magma body to eventually mix with atmospheric air. The composition of those volatiles, as derived from measurements made after their emission, is used to draw ... -
Modeling Viscosity of Volcanic Melts With Artificial Neural Networks
; ; (Geochemistry, Geophysics, Geosystems, 2022-12-01)
Viscosity is of great importance in governing the dynamics of volcanoes, including their eruptive style. The viscosity of a volcanic melt is dominated by temperature and chemical composition, both oxides and water content. ... -
Depth‐Varying Friction on a Ramp‐Flat Fault Illuminated by ∼3‐Year InSAR Observations Following the 2017 Mw 7.3 Sarpol‐e Zahab Earthquake
; ; ; ; ; ; ; (Journal of Geophysical Research: Solid Earth, 2022-12-01)
We use interferometric synthetic aperture radar observations to investigate the fault geometry and afterslip evolution within 3 years after a mainshock. The postseismic observations favor a ramp‐flat structure in which the ... -
Intrusive Magmatism Strongly Contributed to the Volatile Release Into the Atmosphere of Early Earth
; (Geochemistry, Geophysics, Geosystems, 2022-11-29)
Magmatic volatile release was crucial for the build‐up and composition of the early atmosphere and thus for the origin and evolution of life. Even though the rate of intrusive to extrusive magma production on Earth is high, ... -
Layering by Double‐Diffusive Convection in the Subsurface Oceans of Europa and Enceladus
; ; ; (Journal of Geophysical Research: Planets, 2022-11-29)
Subsurface oceans rich in salts may be prevalent in the icy worlds of the outer solar system. Surface observations have led to various hypotheses for the transport of materials from the seafloor to the surface by hydrothermal ... -
Quantification of Impact‐Induced Melt Production in Numerical Modeling Revisited
; ; (Journal of Geophysical Research: Planets, 2022-11-29)
Melting and vaporization of rocks in impact cratering is mostly attributed to be a consequence of shock compression. However, other mechanism such as plastic work and decompression by structural uplift also contribute to ... -
Dissolved, Labile, and Total Particulate Trace Metal Dynamics on the Northeast Greenland Shelf
; ; ; ; ; ; ; ; (Global Biogeochemical Cycles, 2022-11-28)
We present high‐resolution profiles of dissolved, labile, and total particulate trace metals (TMs) on the Northeast Greenland shelf from GEOTRACES cruise GN05 in August 2016. Combined with radium isotopes, stable oxygen ... -
Geostandards and Geoanalytical Research Bibliographic Review 2021
; ; ; ; (Geostandards and Geoanalytical Research, 2022-11-28)
This GGR Bibliographic Review is a survey of approximately 5200 geoanalytical publications for the year 2021. Selected articles, numbering over 340, containing measurement results for relevant geological and environmental ... -
The PERCIVAL detector: first user experiments
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; (Journal of Synchrotron Radiation, 2022-11-25)
The PERCIVAL detector is a CMOS imager designed for the soft X‐ray regime at photon sources. Although still in its final development phase, it has recently seen its first user experiments: ptychography at a free‐electron ... -
Volcano‐Tectonic Evolution of the Christiana‐Santorini‐Kolumbo Rift Zone
; ; ; (Tectonics, 2022-11-22)
Located on the Hellenic Arc, the Christiana‐Santorini‐Kolumbo (CSK) rift zone represents one of the most active and hazardous volcano‐tectonic systems in the Mediterranean. Although this rift zone has been intensively ...
