ANALYSIS OF MORPHOMETRIC PARAMETERS IN THE BASIN OF ARROIO LAJEADO GRANDE (RS)
DOI:
https://doi.org/10.5902/2179460X15906Keywords:
Morfometria, Estudos Ambientais, Bacia Hidrográfica, Oeste do RS, Arroio Lajeado GrandeAbstract
The use of morphometric parameters for assessment of river basin presents itself as an important analysis tool enabling the development of the study of the physical characteristics of the environment. In this context, this paper aims to conduct analysis of morphometric parameters of the Basin of the Arroio Lajeado Grande, located in the west of the Rio Grande do Sul, Brazil, between the geographical coordinates 55°20'32 " to 55°36'54" west longitude and 29°36'47" to 29°59'50" south latitude. Methodologically, the study was developed through literature review and, consequently, with the analysis of morphometric parameters of the study area defined with: system of fluvial channels, drainage standard, drainage density, average length of runoff, sinuosity the watercourse, maintenance coefficient, index of circularity, hypsometry, slope and length of strands. As results stood out the influence that the lithological constitution plays in the study area, where it emerges directly on the total number and distribution of channels segments, it was also observed an area a little susceptible to flooding. Given this, the study allowed through a quantitative analysis to evaluate the morphometric parameterization highlighting the applicability of this information in planning, in taking prognostic actions associated with the use and occupation of land.Downloads
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