Results 81 to 90 of about 78,993 (206)
Radioisotopic age constraints of the Cambrian Ritland impact structure, Norway
Abstract Secondary ion mass spectrometry U‐Pb geochronology has been performed on zircon grains separated from impact melt rock from the 2.7 km‐in‐diameter Ritland impact structure, southwestern Norway. Scanning electron microscope‐based imaging techniques, including electron backscatter diffraction analysis, reveal various zircon grain microtextures ...
William R. Hyde+6 more
wiley +1 more source
Abstract Monitoring external loads on underground structures is crucial for structural health assessment. Inverting earth pressures from observable structural responses, such as deformation data, holds promise. However, existing methods often rely on presumptions about pressure complexity, which can be infeasible for many poorly performing in‐service ...
Zhiyao Tian, Xianfei Yin, Shunhua Zhou
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ABSTRACT The Australian fur seal (Arctocephalus pusillus doriferus, AUFS) population, currently less than 47% of its pre‐harvest size, represents the largest resident marine predator biomass in south‐eastern Australia. This region, characterized by low marine productivity and rapid warming, is home to Kanowna Island, the third‐largest AUFS colony ...
Johanna J. Geeson+2 more
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Visionaries and Crackpots, Maniacs and Saints: Existential Risk and the Politics of Longtermism
ABSTRACT Despite advancing strong claims about our collective priorities, longtermism has received little attention in debates in political philosophy. I first provide an account of longtermism that highlights the way it departs from established work on intergenerational justice.
Alex McLaughlin
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Shot noise and reconstruction of the acoustic peak
We study the effect of noise in the density field, such as would arise from a finite number density of tracers, on reconstruction of the acoustic peak within the context of Lagrangian perturbation theory.
White, Martin
core
ABSTRACT An investigation of allogenic forcings on shallow‐marine strata of the Miocene–Pliocene Kueichulin Formation, Taiwan Western Foreland Basin, reveals that shifts in palaeoenvironments were strongly controlled by: (1) orogenesis and basin subsidence, (2) precession‐driven hydroclimate and (3) obliquity‐driven atmospheric and ocean circulation ...
Amy I. Hsieh+7 more
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Ptychography: A brief introduction
Journal of Microscopy, EarlyView.
John Rodenburg
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Unseasonable seasons: Shifting geographies of weather and migration mobilities
Abstract The seasons are part of and produced through weather cycles and climate knowledge, yet they are also a distinctive temporal and spatial framing that has been hinted at in aspects of geography and mobility research but is still relatively underexplored. Seasonal concerns underpin not only the weather, but also migration flows, tourism and trade,
Kaya Barry
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What Was Homer Honing in the Odyssey?
Abstract We summarize the data provided in Homer's the Odyssey concerning Odysseus' journey and suggest a completely new view of what was Homer trying to convey to us. We suggest that Homer was honing the idea of synergy between rules (determinism) and chance (randomness), an idea deeply rooted in natural processes as well in mathematics.
Anastasios A. Tsonis+2 more
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Abstract My life in science, as a faculty member in Higher Education (The Academy), and as a proud member of AGU, reflects the fact that I am one of the very fortunate ones in the Geosciences who went through undergraduate and graduate years during the true blossoming of the science in the early years after the acceptance of Plate Tectonics.
John W. Geissman
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