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Browsing ELibrary by Title
Now showing items 8190-8209 of 21936
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(2005)Volcanic eruptions are unsteady multiphase phenomena, which encompass many inter-related processes across the whole range of scales from molecular and microscopic to macroscopic, synoptic and global. We provide an overview ...
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(2002)First-order elastic wave scattering theory, validated in general features by deep-borehole seismic coda wave observations, is used to numerically simulate time-lapse borehole seismic data aimed at monitoring oil-water ...
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(2002)Seismic images and sediment core data from the Bear Island and Isfjorden fans localized along the Svalbard–Barents Sea continental margin, reveal an interesting depositional system consisting of stacked debris flow lobes. ...
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(2001)Phase equilibria at temperatures up to 800degreesC and pressures up to 12 kbar were numerically simulated in the SiO2-LiAlSiO4-H2O singular system that includes quartz, petalite, alpha-spodumene, beta-spodumene, and ...
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(2002)An objective common to many watershed studies is to separate storm hydrographs into two components: water that was present in the watershed prior to a storm event (soil moisture and groundwater) and water which fell on the ...
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(2003)We model seismic wave propagation in media with discrete distributions of fractures using the pseudospectral method. The implementation of fractures with a vanishing width in the 2-D finite-difference grids is done using ...
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(2002)Numerical 3D simulations of the development of spiral inclusion trails in porphyroblasts were conducted in order to test the proposals that (a) 3D spiral geometry differs between the rotation and nonrotation end-member ...
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(2004)In this paper, firstly the mesoscopic elemental mechanical model for elastic damage is developed and implemented into the rock and tool interaction code (R-T2D). Then the failure processes of a heterogeneous rock specimen ...
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(2001)In this paper, the numerical stability and efficiency of methods of harmonic downward continuation from flying altitudes are treated for sampled gravity field data. The problem is first formulated in its continuous form, ...
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(1999)In current views on the origin of deep-focus earthquakes the presence of metastable olivine in subducting slabs plays a central role. In this study we construct synthetic slab models to investigate the expression of ...
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(2004)Isolation of the Nuristan-South Pamir mineragenic province comprising metamorphogenic gem deposits is based in the limits of outcrops of Precambrian metamorphic sequences. The formation of the deposits was analyzed on the ...
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(2003)The growth and origin of the world's isolated carbonate banks are as yet not completely understood. This paper presents a comparison of the areas, depths, and latitudinal distribution of the world's carbonate banks. These ...
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(2004)Nutrient input through submarine groundwater discharge (SGD) rivals river inputs in certain regions and may play a significant role in nutrient cycling and primary productivity in the coastal ocean. In this paper, we review ...
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(2003)We investigated the nutrient uptake capacity of three lakes (Uzlina, Matita and Rosu) within the Danube Delta during high water level in June and low water level in September 1999. Special emphasis was placed on nutrient ...
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(2003)The layer silicates are among the most common minerals in the Earth’ s surface environment, play important roles in many geological processes, and have diverse technological applications. While it has been suggested that ...
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(2006)Digital images from hand-held cameras are increasingly being acquired for scientific purposes, particularly where non-contact measurement is required. However, they frequently consist of oblique views with significant ...
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(2003)Results from coupled ice-sheet and atmospheric general circulation models show that the waxing and waning of ice sheets during the Late Ordovician were very sensitive to changes in atmospheric pCO2 and orbital forcing at ...
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(2003)Analyses of the layer structure of Na-montmorillonite have been performed using 27Al MAS and 27Al MQMAS NMR techniques. Results of 27Al MAS NMR measurements at higher magnetic field strength (16.4 T) suggest that the ...
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(2004)We relate seismologically observable parameters such as radiated energy, seismic moment, rupture area, and rupture speed to the dynamics of faulting. To achieve this objective, we computed the radiated energy for 23 ...
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(2004)Hypervelocity impact involves the near instantaneous transfer of considerable energy from the impactor to a spatially limited near-surface volume of the target body. Local geology of the target area tends to be of secondary ...
Now showing items 8190-8209 of 21936