PROGRAM-DEMOSTRATION IN BASIC FOR THE PREDICTION OF RIVER PATTERNS
Abstract
In this study a program-demostration for the prediction of river pattern models in areas of different hydrologic regimes is presented. The program is based on the linear perturbation analysis and on STRUIKSMA and KLASSEN's (1988) method to determine the threshold between meandering and braiding channel patterns. Starting from the river bed deformation in different river patterns, and having previously applied the linear stability theory. these authors define the classification criteria that are introduced in the program structure. The program is written in Microsoft-BASIC for IBM compatible microcomputers. For the IBM-AT there are also software which support the Intel 8087 or 80287 also in BASIC. This arithmetic coprocessor provides the high throughput speed which is absolutely necessary for all the models that, like the present one, use multiple and varied pararneters (hydraulic, sedimentological and morphological).Downloads
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