This paper presents an analysis of the changes of the longitudinal and lateral profiles in the meander- ing reach of the Lower Wei River over the period from October 1973 to October 1976 during the course of degradation.Analysis results indicated that retrogressive erosion and subsequent downstream erosion occurred in the reach due to the lowering in the Tongguan elevation and the inflowing water carrying low sediment con- centrations.At the end of the degradation,the main channel widths of the majority ...
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机译：Indicadores de Altera莽茫o Hidrol贸gica no Alto Rio Paran谩: Interven莽玫es Humanas e Implica莽玫es na Din芒mica do Ambiente Fluvial / Indicators of Hydrologic Alteration in the High Parana River Catchment: Human Interventions and Implications for Dynamic of the Fluvial Environment
