Author(s): Mateo Alzate Jaramillo, Jeannette Del Carmen Zambrano Najera

Linked Author(s): Jeannette Del Carmen Zambrano Najera

Keywords: Classification rivers; Flow measurement; Bankfull; Valley confinement;

Abstract: This study proposes the geomorphological characterization of 25 streams in the department of Caldas where between 4 or 6 flow measurements were made at different stream points in the period 2017-2018. The Fryirs and Brierley methodology was used with satellite images in which each river was classified through parameters such as the entrenchment relationship, the width / depth ratio, the sinuosity, the slope and the valley.
As a result of this study, it was found that all rivers could be classified into 9 different sections (steep head waters, streams, occasional floodplain pockets, discontinuous floodplains, braided, meandering active, meandering passive, anastomosis and canalized). The information obtained with this classification will be a support to understand in detail the behavior of rivers, know the frequency of extreme events, the impacts they can generate and find the depth at which an early flood warning system could be activated. In addition, it will provide authorities with resources to make decisions on watershed planning and management.

DOI: https://doi.org/10.3850/38WC092019-0920

Year: 2019