Use of RORA for Complex Ground-Water Flow Conditions
Water-Resources Investigations Report
2003-4304
By: A. T. Rutledge
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Abstract
The RORA computer program for estimating recharge is based on a condition in which ground water flows perpendicular to the nearest stream that receives ground-water discharge. The method, therefore, does not explicitly account for the ground-water-flow component that is parallel to the stream. Hypothetical finite-difference simulations are used to demonstrate effects of complex flow conditions that consist of two components: one that is perpendicular to the stream and one that is parallel to the stream. Results of the simulations indicate that the RORA program can be used if certain constraints are applied in the estimation of the recession index, an input variable to the program. These constraints apply to a mathematical formulation based on aquifer properties, recession of ground-water levels, and recession of streamflow.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Use of RORA for Complex Ground-Water Flow Conditions |
| Series title | Water-Resources Investigations Report |
| Series number | 2003-4304 |
| DOI | 10.3133/wri034304 |
| Edition | Online Only |
| Year Published | 2004 |
| Language | ENGLISH |
| Description | 5 p. |
| Online Only (Y/N) | Y |
| Google Analytic Metrics | Metrics page |