搜索结果: 61-75 共查到“理学 N Flow”相关记录856条 . 查询时间(0.39 秒)
Improving overland flow routing by incorporating ancillary road data into Digital Elevation Models
Watershed Delineation Road Geographic Information System GIS Flow Direction Digital Elevation Model DEM Hydrological Modeling
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2015/8/6
Roads, ditches, and culverts influence hydrological and geomorphological processes significantly. However, most hydrological models continue to rely solely on regional digital elevation models (DEMs) ...
Comparisons of local infiltration-excess, overland flow and associated erosion behaviour with river behaviour at the catchment scale
Hydrologic modeling overland flow erosion catchment scale
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2015/8/6
Modeling overland flow and erosional behaviour is a very important scientific task today to prevent environmental impacts from human activities as well as physical disasters such as floods and deserti...
Modeling Groundwater Flow for the Delineation of Wellhead Protection Area around a Water-well at Nachole of Bangladesh
Groundwater Flow Modeling Zone of Contribution Zone of influence Wellhead Protection Area
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2015/8/6
Delineation of wellhead protection area is an important component of groundwater contamination protection strategy to prevent probable environmental and health hazards. Modeling of ground water infilt...
Different Neurons Population Distribution correlates with Topologic-Temporal Dynamic Acoustic Information Flow
Complexity-Evolvability GABAergic neurons Information Emergence Inter-spike variability Spatial-temporal topology
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2015/7/30
It is reported a great variety of functional actions of GABA in auditory system. Although many studies reports the presence and distribution of GABA receptors; nevertheless, the studies about the inhi...
USING COMPUTER SIMULATIONS TO HELP UNDERSTAND FLOW STATISTICS AND STRUCTURES AIROCEAN AT THE INTERFACE
UNDERSTAND FLOW STATISTICS COMPUTER SIMULATIONS
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2015/7/23
The interaction among atmosphere, oceans, and surface waves is an important process with many oceanographic and environmental applications. It directly affects the motion and fate of pollutants such a...
Seabed Fluid Flow—The Impact on Geology,Biology and the Marine Environment
Seabed Fluid Flow Geology Biology Marine Environment
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2015/7/22
When their previous book Seabed Pockmarks and Seepages was published in 1988, Martin Hovland and Alan Judd were the first authors to illustrate and discuss global geological, geophysical, chemical, an...
Peristaltic flow of a Newtonian fluid through a porous medium in a vertical tube under the effect of a magnetic field
Heat Transfer Magnetic Field Newtonian Fluid Porous Medium Reynolds Number
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2015/7/21
In this paper, we studied the effects of heat transfer and magnetic field with peristaltic flow of a viscous incompressible Newtonian fluid through a porous medium in a vertical tube under the assumpt...
Ebb and Flow: Tides and Life on Our Once and Future Planet
Once and Future Planet Tides and Life
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2015/7/20
Ebb and Flow: Tides and Life on Our Once and Future Planet is well titled. It tells the story of tides, why they matter, what causes them, and how they have changed over time. The author, Tom Koppel, ...
Analysis of Energy Flow in US GLOBEC Ecosystems Using End-to-End Models
Sea continental shelf the ecosystem nutrition structure global ocean ecosystem dynamics
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2015/7/16
End-to-end models were constructed to examine and compare the trophic structure and energy flow in coastal shelf ecosystems of four US Global Ocean Ecosystem Dynamics (GLOBEC) study regions: the North...
The phase flow method
The phase flow method Ordinary differential equations Phase maps Phase flow Interpolation High-frequency wave propagation Geometrical optics Hamiltonian dynamics Ray equations Wave arrival times Eulerian and Lagrangian formulations
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2015/7/14
This paper introduces the phase flow method, a novel, accurate and fast approach for constructing phase maps for nonlinear autonomous ordinary differential equations. The method operates by initially ...
Fast geodesics computation with the phase flow method
Geodesics Weighted geodesics Geodesic flow The phase flow method Manifolds Tangent bundles Charts Surface parameterization Spline interpolation
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2015/7/14
This paper introduces a novel approach for rapidly computing a very large number of geodesics on a smooth surface.The idea is to apply the recently developed phase flow method [L. Ying, E.J. Cande `s,...
Diffusion in a weakly random Hamiltonian flow
Diffusion weakly random Hamiltonian flow
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2015/7/14
We consider the motion of a particle governed by a weakly random Hamiltonian flow. We identify temporal and spatial scales on which the particle trajectory converges to a spatial Brownian motion. The ...
Bounds on the speed of propagation of the KPP fronts in a cellular flow
propagation KPP fronts cellular flow
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2015/7/14
We consider a reaction-diffusion-advection equation with a nonlinearity of the KPP type in a cellular flow. We show that the minimal pulsating traveling front speed c∗(A) in a flow ofamplitude A...
DIFFUSION AND MIXING IN FLUID FLOW
DIFFUSION MIXING FLUID FLOW
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2015/7/14
We study enhancement of diffusive mixing on a compact Riemannian manifold by a fast incompressible flow. Our main result is a sharp description of the class of flows that make the deviation of the sol...
Passive tracer in a slowly decorrelating random flow with a large mean
Passive tracer slowly decorrelating random flow large mean
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2015/7/14
We consider the movement of a particle advected by a random flow of the form v + δF(x), with v ∈ Rd a constant drift, F(x) – the fluctuation – given by a zero mean, stationary random field and δ 1 s...