نتایج جستجو برای: topography earth

تعداد نتایج: 120983  

Journal: :civil engineering infrastructures journal 0
kazem barkhordari assistant professor, department of civil engineering, yazd university, yazd, iran hosein entezari zarch m.sc. student, department of civil engineering, yazd university, yazd, iran.

this research intends to develop a method based on the artificial neural network (ann) to predict permanent earthquake-induced deformation of the earth dams and embankments. for this purpose, data sets of observations from 152 published case histories on the performance of the earth dams and embankments, during the past earthquakes, was used. in order to predict earthquake-induced deformation o...

Journal: :Nuclear Instruments and Methods in Physics Research 2021

Neutrinos of astrophysical origin could be detected through the electromagnetic radiation particle showers induced in atmosphere by their interaction Earth. This applies particular for tau neutrinos energies $E>10^{16}$eV following Earth-skimming trajectories. The $\sim1^{\circ}$ beaming radio emission forward direction however implies that signal will likely fly above a detector deployed over ...

2014
Christian Hirt Michael Kuhn Sten Claessens Roland Pail Kurt Seitz Thomas Gruber

39 This paper describes the computation and analysis of the Earth's short-scale gravity field 40 through high-resolution gravity forward modelling using the Shuttle Radar Topography 41 Mission (SRTM) global topography model. We use the established residual terrain modelling 42 technique along with advanced computational resources and massive parallelisation to 43 convert the high-pass filtered ...

2013
Yann Capdeville Jean-Jacques Marigo Yann CAPDEVILLE Jean-Jacques MARIGO

SUMMARY We propose a two scale asymptotic method to compute the effective effect of a free surface topography varying much faster than the minimum wavelength for 2-D P-SV elastic wave propagation. The topography variation is assumed to be non-periodic but with a de-terministic description and, in the present paper, the elastic body below the topography is assumed to be homogeneous. Two asymptot...

2006
James L. Dickson James W. Head Mikhail A. Kreslavsky David R. Marchant

Introduction: Lineated valley fill (LVF) and lobate debris aprons (LDA) are widespread in fretted terrain in the northern part of Arabia Terra [1-3], but occur elsewhere in this latitude band in the northern hemisphere, such as at Acheron Fossae, a series of arcuate parallel graben on a rise north of Olympus Mons (217-237° E; 34-40° N) where the graben floors are characterized by viscous flow-l...

2008
Xiaodong Song Wei Dai

S U M M A R Y Precise determination of the topography of a major internal boundary of the Earth is difficult because of the trade-off with the unknown velocity structure above it. However, the discoveries of the inner core (IC) rotation and high-quality teleseismic waveform doublets make the precise mapping of the topography of the inner core boundary (ICB) possible. Here we examine IC refracte...

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