Abstract
The present work presents a study performed in the hydrographic basin of the Figueira Stream located in the city of Umuarama-PR, with the intention of reducing surface runoff and expanding the storage of urban waters to minimize the current environmental problems, such as silting and erosion. The main objective is to implement LIDs (Low impact development) devices known in Brazil as low impact urban development and with the help of the Storm Water Management Model - SWMM software, to simulate the behavior of urban waters considering the real situation and comparing them with the simulation with insertion of LIDs. As a methodology, an in loco survey was performed, followed by two simulations. The first simulation considered the data from the in loco survey. We observed that the basin is not prone to flooding, but there is a great possibility of erosion and silting. In the second simulation, we inserted three types of LIDs: filtration basin; porous pavement and infiltration valleys. The data was analyzed and the behavior of urban waters was compared. Our study observed an improvement in water balance and flow propagation. Finally, we understood that with the implementation of the LIDs the results generated were satisfactory, in the sense of providing solutions to improve the environmental problems installed in the basin, consequently promoting improvement in the quality of urban life.
Highlights
This paper aims to analyze the characteristics of the Figueira stream hydrographic basin, located in the urban area of the city of Umuarama-PR, with the main objective of investigating environmental degradations, such as: erosion and silting
According to Souza et al (2012) this system is recognized as a low impact urban development method that has become a reference in America as low-impact urban development (LID) (Low Impact Development); in Australia as WSUD (Water Sesitive Urban Design) and in the British bibliography as SuDS (Sustainable Drainage Systems)
The management of these natural drainage systems can be performed by the SWMM (Storm Water Management Model) software, which was used for the development of this work, using the low impact urban development term (LID), because the SWMM software uses it that way
Summary
This paper aims to analyze the characteristics of the Figueira stream hydrographic basin, located in the urban area of the city of Umuarama-PR, with the main objective of investigating environmental degradations, such as: erosion and silting. A consequence of the measures taken since the last century, in order to improve the cleanliness and hygiene of the urban environment, many plans were not concerned with the possible environmental problems that these actions could cause, mainly downstream. This fact is confirmed by the rates of erosion, silting and pollution of rivers, in addition to the frequency of floods. In view of the above, proper planning is needed to prioritize topographic issues, the water system, peculiarities of the urban environment and mainly to adopt a new way of thinking that uses sustainable development for the management of urban drainage. According to Souza et al (2012) this system is recognized as a low impact urban development method that has become a reference in America as LID (Low Impact Development); in Australia as WSUD (Water Sesitive Urban Design) and in the British bibliography as SuDS (Sustainable Drainage Systems)
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Schedule a callMore From: Revista Mundi Engenharia, Tecnologia e Gestão (ISSN: 2525-4782)
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