نتایج جستجو برای: uplift

تعداد نتایج: 4088  

2012
C. C. Walker J. N. Bassis M. W. Liemohn

[1] The south polar terrain (SPT) of Saturn’s moon Enceladus is a mysteriously active region that exhibits intriguing tectonic signatures and widespread fracturing. The central region of the nearly-circular SPT is depressed into the surface by a few hundred meters and bounded by a ring of cliffs roughly 1 km high. In this study, we investigate whether this depression and surrounding mountainous...

2013
Cengiz Yildirim Taylor F. Schildgen Helmut Echtler Daniel Melnick Bodo Bookhagen Attila Çiner Samuel Niedermann Silke Merchel Martin Martschini Peter Steier Manfred R. Strecker

[1] We document Quaternary fluvial incision driven by fault-controlled surface deformation in the inverted intermontane Gökırmak Basin in the Central Pontide mountains along the northern margin of the Central Anatolian Plateau. In-situ-produced 10Be, 21Ne, and 36Cl concentrations from gravel-covered fluvial terraces and pediment surfaces along the trunk stream of the basin (the Gökırmak River) ...

2003
Patrick D. Nunn

Myths recalling how islands were ‘‘fished up’’ or ‘‘thrown down’’ by (demi)gods are widespread in the Pacific Islands. Fishing-up myths are more numerous and are concentrated in a heartland comprising parts of Samoa, Tonga, the southern Cook Islands, and the Society Islands of French Polynesia. Geological details in many fishing-up myths suggest these recall the activities of shallow submarine ...

2002
LEWIS A. OWEN

Owen, L.A. 1989. Neotectonics and deformation in the Karakoram Mountains and Nanga Parbat Himalaya. In: N.-A. Momer and J. Adams (Editors), Paleoseismicity and Neotectonics. Tectonophysics, 163: 227-265. The Karakoram Mountains and the Nanga Parbat Himalaya are one of the most rapidly rising mountain areas in the world with uplift rates in the order of 2 mm/yr. Large-scale regional warping is t...

2017
Ryan T. Walker Mauro A. Werder Christine F. Dow Sophie M. J. Nowicki

We develop a viscous model of plate bending suitable for studying ice-sheet flexure due to subglacial lake filling and draining, and apply this model to determine the area of ice-sheet uplift surrounding a subglacial lake. The choice of a viscous model reflects our interest in Antarctic subglacial lakes, which can fill and drain on time scales of months to decades. Experiments with idealized la...

Journal: :civil engineering infrastructures journal 0
farzin salmasi water engineering department, faculty of agriculture, university of tabriz, tabriz, iran. behnam mansuri m.sc. student of hydraulic structures, university of tabriz, tabriz, iran amir raufi m.sc. student of hydraulic structures, university of azad ahar, ahar, iran.

relief wells are used extensively to relieve excess hydrostatic pressure in pervious foundation strata overlain by impervious top strata, conditions which often exist landward of levees and downstream of dams and hydraulic structures. placing well outlets in below-surface trenches or collector pipes helps dry up seepage areas downstream of levees and dams. relief wells are often used in combina...

2016
Fritz Schlunegger Sébastien Castelltort

High-resolution 32-20 Ma-old stratigraphic records from the Molasse foreland basin situated north of the Alps, and Gonfolite Lombarda conglomerates deposited on the southern Alpine margin, document two consecutive sedimentary responses - an immediate and delayed response - to slab breakoff beneath the central Alps c. 32-30 Ma ago. The first signal, which occurred due to rebound and surface upli...

2003
A. C. PALMER

A buried pipeline can buckle upwards if there is not enough resistance to movement. Both the uplift resistance (the maximum force per unit length) and the mobilisaion distance (the distance the pipeline has move before the maximum force is reached) are important in design. Tests on pipes in several soils were carried out at 1 g at full scale and in a centrifuge at 10 g and 1/10 scale. A compari...

2017
Jean-Pierre Suc Séverine Fauquette

Northern Hemisphere vegetation is generally zoned as a consequence of latitudinal and altitudinal gradients. Temperature reconstruction from three successive pollen floral assemblages (of Tortonian, Messinian and Zanclean age) from the eastern Pyrenees has been used to estimate the altitudinal evolution of the uplifted Cerdanya Basin and its surrounding massifs. A new method has been developed ...

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