نتایج جستجو برای: tectonic geomorphology
تعداد نتایج: 12811 فیلتر نتایج به سال:
The type and volume of sediment entering subduction zones affects the style plate-boundary deformation thus sedimentary tectonic cycles. Because submarine channels significantly increase transport efficiency turbidity currents, their presence or absence in trenches is a primary control on trench fill. To date, comprehensive architectural characterization trench-axial has not been possible, unde...
Arculus, R.J., 1987. The significance of source versus process in the tectonic controls of magma genesis. In: S.D. Weaver and R.W. Johnson (Editors), Tectonic Controls on Magma Chemistry. J. Volcanol. Geotherm. Res., 32: 1-12. Despite the association of certain characteristic trace-element signatures with particular tectonic environments of eruption, there are accumulating data which would resu...
Abstract Large earthquakes are among the most dangerous natural disasters with potentially devastating effects on society and infrastructure across globe. In order to better understand earthquakes, research in active tectonics aims at quantifying crustal deformation throughout fault’s earthquake cycles by studying geomorphic stratigraphic evidence of recent past earthquakes. The underlying assu...
Geological models of subduction zones impact thinking about many of the central problems in the structure, dynamics, chemistry, and history of the solid earth. Should those models change, the effects will reach across the earth sciences. We are currently in the midst of such a change, brought on by several causes. First, the earth science community recently began an organized, multi-disciplinar...
The analysis of stationary and mobile knickpoints has been one the most powerful concepts in tectonic geomorphology for decades. While several models combining bedrock incision sediment transport are available, existing theory focuses on detachment-limited erosion without consideration transport. On other hand, fully transport-limited systems do not maintain distinct knickpoints. This study add...
Erosion, sediment production, and routing on a tectonically active continental margin reflect both tectonic and climatic processes; partitioning the relative importance of these processes remains controversial. Gulf of Alaska contains a preserved sedimentary record of the Yakutat Terrane collision with North America. Because tectonic convergence in the coastal St. Elias orogen has been roughly ...
چکیده ندارد.
In the evolution processes of wind blown sand movement and aeolian geomorphology, it always contains some complex behaviors, for example, the nonlinear character of turbulence and attractors, the stochastic character of wind gust, liftoff and movement of sand, the interaction among wind field, sand movement, electric field in wind blown sand flux and thermal diffusion, multi-scale character fro...
The present study deals with the inter-relations in the relief which forms the Bacia do Alto Rio Paraguay (BAP) in mid-west Brazil. The overall aim is to discuss the relationship between relief forms and the biodiversity of the Pantanal. The BAP is a natural environmental system with contrasts in two of the compartments on which it is formed: the plateau, the most elevated compartment, highly t...
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