Results 221 to 230 of about 47,694 (262)

Watersheds and Drainage Networks

2016
Grid-based distributed hydrologic models rely on a drainage network to model basin response. A digital elevation model (DEM) is useful for characterizing the terrain and drainage network. Processing steps and DEM cell size affect the land surface slope, drainage network length and connectivity properties.
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Gibbs' Distribution on drainage networks

Water Resources Research, 1992
We propose a spatial stochastic model for drainage networks defined on a square lattice of points. The probability of a particular spanning tree s draining a given basin represented by a set of lattice points is proportional to exp [−βH(s)], where β is a parameter to be estimated and H(s) is defined to be the difference between total flow distance to ...
Brent M. Troutman, Michael R. Karlinger
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Skeletonizing a DEM into a drainage network

Computers & Geosciences, 1995
Abstract A new method for extracting drainage systems from Digital Elevation Models (DEMs) is presented. The main algorithm of the proposed method performs a skeletonization process of the set of elevations in the DEM and produces a skeleton of flow paths. An enumeration algorithm performs the removal of loops from the initial flow path. A preprocess
Amnon Meisels, Sonia Raizman, Arnon Karnieli   +2 more
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Improvement of the Calculation of the Closed Collector-Drainage Network of Drainage Systems

2023
The necessity and scientific and methodological approaches to improving the calculation of a closed collector-drainage network of drainage systems are considered. Based on the application of the system methodology, the structure of the hierarchical and hydraulic connection between the water regime of the field and the operation mode of the closed ...
Liubov Volk, Maksym Haponiuk
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Drainage Network and Topography

2001
Little attention has been paid to the dependence of distributed parameter simulations on the resolution of the raster array or the triangular irregular network (TIN). Further, as these models are calibrated at one resolution, the question remains whether the calibrated parameters may be used without adjustment at larger cell sizes.
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Junction angles in drainage networks

Journal of Geophysical Research: Solid Earth, 1984
The systematics of tributary junction angles are an important link between the topology of a drainage network and its topography because the angle of junction depends on the relative slopes of the intersecting tributaries. I present here a model for stream junction angle as a function of position (link magnitude)within the network which quantitatively ...
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Evolution of drainage networks and hillslopes

2002
A two-dimensional hillslope model is presented which solves the coupled full hydrodynamic equations for overland flow, Richards equation for infiltration in one-dimension, and a physically based sediment detachment and transport equation. This is the most advanced hillslope model yet to be developed.
Raff, David A., Ramirez, Jorge A. advisor, Watson, Chester C., Bledsoe, Brian, Smith, Jim   +4 more
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The analysis of drainage network composition

Earth Surface Processes, 1978
AbstractThe Horton method of analyzing drainage network composition is reviewed, with the conclusion that it has not been very effective either in improving understanding or in developing useful methods of characterizing drainage basins. New methods which are based on the link rather than the Horton (or Strahler) stream are described.
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Nitrification in large river drainage networks

1996
Nitrification in large river drainage ...
Brion, Nathalie, Billen, Gilles
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Automatic Measurement of Drainage Networks

IEEE Transactions on Geoscience Electronics, 1970
Two methods for measuring network lengths and areas by automatic methods are discussed. Results of experiments using drainage networks are presented and indicate that further study and refinement are warranted. The first method involves etching the network on a copper plate and measuring its capacitance.
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