Results 211 to 220 of about 47,694 (262)
Changes in water drainage and networks
, 2011 Ziaja, Wiesław, Ostafin, Krzysztof
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An integrated assessment of drainage system reconstruction based on a drainage network model
Environmental Science and Pollution Research, 2019In order to mitigate urban flooding and combined sewer overflows, an integrated assessment method was proposed to identify the optimum reconstruction scheme of a drainage system by considering environment, economy, and society. The integrated assessment framework consisted of the drainage system model establishment, analytic hierarchy process theory ...
Zhenliang Liao +2 more
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Computers & Geosciences, 1986
Abstract A program is written to generate a drainage network on an arbitrary land surface based on the principle that water runs down the steepest slope. The drainage network includes not only stream lines but also lakes which are formed within any closed topographic depressions. The drainage network simulation is performed on a rough slope which is
Li-Ping Yuan, N. Luanne Vanderpool
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Abstract A program is written to generate a drainage network on an arbitrary land surface based on the principle that water runs down the steepest slope. The drainage network includes not only stream lines but also lakes which are formed within any closed topographic depressions. The drainage network simulation is performed on a rough slope which is
Li-Ping Yuan, N. Luanne Vanderpool
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2020
We propose a novel way to measure and analyze networks of drainage divides from digital elevation models. We developed an algorithm that extracts drainage divides based on the drainage basin boundaries defined by a stream network. In contrast to streams, there is no straightforward approach to order and classify divides, although it is intuitive that ...
Scherler, Dirk +1 more
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We propose a novel way to measure and analyze networks of drainage divides from digital elevation models. We developed an algorithm that extracts drainage divides based on the drainage basin boundaries defined by a stream network. In contrast to streams, there is no straightforward approach to order and classify divides, although it is intuitive that ...
Scherler, Dirk +1 more
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Feature-based derivation of drainage networks
International journal of geographical information systems, 1993Abstract An approach to the automatic derivation of drainage networks from digital elevation models (DEMs) using regular-gridded data is described. Features such as depressions and plateaus, on which drainage directions are undefined, are handled as entities in their own right, and are identified using operations on connected regions.
J. E. McCormack +4 more
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Optimal Design of Rural Drainage Networks
Journal of Irrigation and Drainage Engineering, 2013Abstract In this paper, a novel procedure is presented and demonstrated for the optimal design of rural drainage networks, based on the coupling of a genetic algorithm with suitable hydrologic and hydraulic models. The models, which allow the evaluation of water depth and discharge through the network, differ for the levels of simplification introduced
CIMORELLI, LUIGI +5 more
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Networks, 1976
AbstractAn approach to reducing the cost of drainage networks, such as plumbing networks in buildings, is described. The drain design problem is modelled as a specialized mathematical network called a drainage network; it is shown to be related to the Steiner problem in a directed graph. A procedure which yields a good approximation to the minimum cost
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AbstractAn approach to reducing the cost of drainage networks, such as plumbing networks in buildings, is described. The drain design problem is modelled as a specialized mathematical network called a drainage network; it is shown to be related to the Steiner problem in a directed graph. A procedure which yields a good approximation to the minimum cost
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Parallel drainage network computation on CUDA
Computers & Geosciences, 2010Abstract Drainage networks determination from digital elevation models (DEM) has been a widely studied problem in the last three decades. During this time, satellite technology has been improving and optimizing digitalized images, and computers have been increasing their capabilities to manage such a huge quantity of information.
Lidia M. Ortega 0001 +1 more
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Self-Organized Critical Drainage Networks
Physical Review Letters, 2001Physical Review ...
S, Hergarten, H J, Neugebauer
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Water Resources Research, 1979
Although many indices of drainage basin characteristics have been devised and employed in previous studies, there is still a need to identify those indices which have an easily interpreted physical significance to be of use in explanatory models. Whereas stream power has been used in hydraulic studies of river channels, a comparable expression can be ...
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Although many indices of drainage basin characteristics have been devised and employed in previous studies, there is still a need to identify those indices which have an easily interpreted physical significance to be of use in explanatory models. Whereas stream power has been used in hydraulic studies of river channels, a comparable expression can be ...
openaire +1 more source