Users manual for a one-dimensional Lagrangian transport model
Water-Resources Investigations Report
86-4145
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Abstract
A Users Manual for the Lagrangian Transport Model (LTM) is presented. The LTM uses Lagrangian calculations that are based on a reference frame moving with the river flow. The Lagrangian reference frame eliminates the need to numerically solve the convective term of the convection-diffusion equation and provides significant numerical advantages over the more commonly used Eulerian reference frame. When properly applied, the LTM can simulate riverine transport and decay processes within the accuracy required by most water quality studies. The LTM is applicable to steady or unsteady one-dimensional unidirectional flows in fixed channels with tributary and lateral inflows. Application of the LTM is relatively simple and optional capabilities improve the model 's convenience. Appendices give file formats and three example LTM applications that include the incorporation of the QUAL II water quality model 's reaction kinetics into the LTM. (Author 's abstract)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Users manual for a one-dimensional Lagrangian transport model |
| Series title | Water-Resources Investigations Report |
| Series number | 86-4145 |
| DOI | 10.3133/wri864145 |
| Edition | - |
| Year Published | 1986 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | v, 95 p. :ill., map ;28 cm. |
| Google Analytic Metrics | Metrics page |