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Anzeige der Dokumente 1201-1220 von 6854
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Deep genetic divergences among Indo-Pacific populations of the coral reef sponge Leucetta chagosensis (Leucettidae): Founder effects, vicariance, or both?
; Epp, Laura S.; Macis, Luciana (BMC evolutionary biology, 2008)
Background: An increasing number of studies demonstrate that genetic differentiation and speciation in the sea occur over much smaller spatial scales than previously appreciated given the wide distribution range of many ... -
Deep Geothermal Energy for Lower Saxony (North Germany) – Combined Investigations of Geothermal Reservoir Characteristics
(Energy Procedia, 2014)For the economic success of a geothermal project the hydraulic properties and temperature of the geothermal reservoir are crucial. New methodologies in seismics, geoelectrics and reservoir geology are tested within the ... -
Deep Heat: Proxies, Miocene Ice, and an End in Sight for Paleoclimate Paradoxes?
(Paleoceanography and Paleoclimatology, 2021-03-16)
The mid Miocene represents an important target for paleoclimatic study because the atmospheric CO2 concentration ranged from near modern values to ∼800 ppm, while a large, dynamic Antarctic ice sheet was likely to have ... -
Deep Learning Based Cloud Cover Parameterization for ICON
; ; ; ; ; (Journal of Advances in Modeling Earth Systems, 2022-12-14)
A promising approach to improve cloud parameterizations within climate models and thus climate projections is to use deep learning in combination with training data from storm‐resolving model (SRM) simulations. The ICOsahedral ... -
Deepening the Late Quaternary's Deep Ocean Carbon Mysteries
(Geophysical Research Letters, 2022-07-06)
Changes to the carbon content of the deep ocean, the largest reservoir in the surficial carbon cycle, are capable of altering atmospheric carbon dioxide concentrations and thereby Earth's climate. While the role of the ... -
DeepLandforms: A Deep Learning Computer Vision Toolset Applied to a Prime Use Case for Mapping Planetary Skylights
; ; ; (Earth and Space Science, 2023-01-04)
Thematic map creation is a meticulous process that requires several steps to be accomplished regardless of the type of map to be produced, from data collection, through data exploitation and map publication in print, image, ... -
Defining Hydrogeological Site Similarity with Hierarchical Agglomerative Clustering
; ; ;; (Groundwater, 2022-10-08)
Abstract Hydrogeological information about an aquifer is difficult and costly to obtain, yet ...
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Deformation and micromechanics of granular materials in shear zones - investigated with the Discrete Element Method
(Univ. Bremen, 2007)Deformation, shear zone, granular, micromechanic, numerical model, discrete element method, distinct element method. - This thesis was inspired by the lack of detailed (i.e. particle scale) knowledge concerning deformation ... -
Deformation der karbonatischen Espanola-Formation im zentralen Teil der Sudbury-Impaktstruktur, Kanada
Steffes, Elisabeth;; Doman, Daniel (11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)
Archaische Granitoide und paläoproterozoische Metasedimente der Huronian Supergroup werden von dem schüsselförmigen und partiell erodierten 1.85 Ga alten Impaktschmelzkomplex der Sudbury-Impaktstruktur überlagert. Huronische ... -
Deformation mechanisms in the eastern Sudbury Igneous Complex, Canada: Evidence for meteorite impact into an active orogen
Doman, Daniel;; Hofmann, Kai (11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)
The 1.85 Ga Sudbury Igneous Complex (SIC) in central Ontario is now widely considered to be the erosional remnant of a deformed paleo-horizontal impact melt sheet, about 2.5 km in thickness. Deformed impact melt breccias ... -
Deformation Memory in the Lithosphere: A Comparison of Damage‐dependent Weakening and Grain‐Size Sensitive Rheologies
; (Journal of Geophysical Research: Solid Earth, 2021-01-04)
Strain localization in the lithosphere and the formation, evolution, and maintenance of resulting plate boundaries play a crucial role in plate tectonics and thermo‐chemical mantle convection. Previously activated lithospheric ... -
Deformation microstructures - Antarctic Ice from EPICA Dronning Maud Land and artificial creep test Ice
(Univ. Bremen, 2007)Ice, microstructures, subgrain boundaries, recrystallization, flow, deformation. - The primary objective of this thesis is the investigation of microstructures obtained from samples from the EPICA Dronning Maud Land ice ... -
Deformation of the Onaping Formation in the NE-lobe of the Sudbury Igneous Complex, Canada: Evidence for fold adjustment flow in the core of a km-scale fold
Klimczak, Christian; (11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)
The synformal geometry of the 1.85Ga Sudbury Igneous Complex (SIC), an impact melt sheet resulting from largemagnitude meteorite impact, attests to post-impact deformation. However, in contrast to the overlying Onaping ... -
Deformation und Kinematik der Lechtal-Decke im nordwestlichen Rätikon, Nördliche Kalkalpen (Vorarlberg,Österreich)
Ibele, Tobias; (11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)
Diese Arbeit beschäftigt sich mit dem strukturellen Bau und der tektonischen Entwicklung der Lechtal-Decke im nordwestlichen Rätikon am Westende der Nördlichen Kalkalpen (NKA). Die Daten und Interpretationen beziehen ... -
Deformation von Fassadenplatten aus Marmor - Schadenskartierungen und gesteinstechnische Untersuchungen zur Verwitterungsdynamik von Marmorfassaden
(Universitätsverlag Göttingen, 2006-09)For about four decades marble has been used as thin veneer cladding. The durability of such thin slabs (mostly 30-40 mm) is satisfactory at most constructions. However, on numerous buildings all over the world, the ... -
Deformation, CPO, and Elastic Anisotropy in Low‐Grade Metamorphic Serpentinites, Atlantis Massif Oceanic Core Complex
; ; ; ; (Geophysical Research Letters, 2021-04-28)
Crystallographic preferred orientation (CPO) and the associated seismic anisotropy of serpentinites are important factors for the understanding of tectonic settings involving hydrated Earth´s mantle, for example, at ... -
Deformation, erosion and natural resources in continental collision zones - insight from scaled sandbox simulations
(GFZ, Helmholtz-Zentrum[Bibliothek des Wissenschaftsparks Albert Einstein] [Vertrieb], [Potsdam], 2006) -
Deformationsanalyse und mechanische Kopplung eines aktiven fore-arcs in Raum und Zeit, Kamtschatka, Russische Föderation
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Seit dem Mesozoikum wächst die kontinentale Kruste am aktiven Plattenrand von Kamtschatka durch Akkretion allochthoner Terrane. Dieses Wachstum manifestiert sich in der differenziellen Exhumierung und Hebung tektonischer Blöcke ... -
Deglacial to Holocene variability in surface water characteristics and major floods in the Beaufort Sea
; ; ; ; ; ; ; (Communications Earth & Environment, 2020-10-09)
Surface water characteristics of the Beaufort Sea have global climate implications during the last deglaciation and the Holocene, as (1) sea ice is a critical component of the climate system and (2) Laurentide Ice Sheet ... -
Deglaciation of a large piedmont lobe glacier in comparison with a small mountain glacier – new insight from surface exposure dating. Two studies from SE Germany
Reuther, Anne U.; Fiebig, Markus;; Kubik, Peter W.; ; Jerz, Hermann; Heine, Klaus (E&G – Quaternary Science Journal; Vol.60, No. 2-3)
10Be-Oberflächenaltersdatierungen von Moränenblöcken der Würm-Maximalvergletscherung und der Deglaziationzeit ergaben in zwei verschiedenen Regionen Süddeutschlands unterschiedliche Altersverteilungen trotz gleicher ...
