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Article

Bioengineering Techniques Adopted for Controlling Riverbanks’ Superficial Erosion of the Simplício Hydroelectric Power Plant, Brazil

1
Eletrobras Furnas, Rio de Janeiro 22281-900, Brazil
2
São Carlos School of Engineering (EESC), University of São Paulo (USP), São Carlos 13566-590, Brazil
3
Department of Civil Engineering, California State University, Los Angeles, CA 90032, USA
4
Ingá Engenharia e Consultoria, Belo Horizonte 30320-130, Brazil
5
Biological Science and Professional Master in Environmental Sciences, Universidade Veiga de Almeida (UVA), Rio de Janeiro 20271-020, Brazil
6
Industrial and Systems Engineering Postgraduate Program (MEPROS), Pontifical Catholic University of Goiás, Goiânia 74605-010, Brazil
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(19), 7886; https://doi.org/10.3390/su12197886
Received: 13 July 2020 / Revised: 14 September 2020 / Accepted: 17 September 2020 / Published: 24 September 2020
Controlling and preventing soil erosion on slope surfaces is a pressing concern worldwide, and at the same time, there is a growing need to incorporate sustainability into our engineering works. This study evaluates the efficiency of bioengineering techniques in the development of vegetation in soil slopes located near a hydroelectric power plant in Brazil. For this purpose, twelve different bioengineering techniques were evaluated, in isolation and in combination, in the slopes (10 m high) of two experimental units (approximately 70 m long each) located next to the Paraíba do Sul riverbanks, in Brazil. High-resolution images of the slopes’ frontal view were taken in 15-day interval visits in all units for the first 90 days after implantation, followed by monthly visits up to 27 months after the works were finished. The images were treated and analyzed in a computer algorithm that, based on three-color bands (red–green–blue scale), helps to assess the temporal evolution of the vegetative cover index for each technique adopted. The results showed that most of the solutions showed a deficiency in vegetation establishment and were sensitive to climatological conditions, which induced changes in the vegetation phytosanitary aspects. Techniques which provided a satisfactory vegetative cover index throughout the investigated period are pointed out. View Full-Text
Keywords: bioengineering techniques; vegetative cover index; slope’s superficial erosion; phytosanitary aspects; climatological conditions bioengineering techniques; vegetative cover index; slope’s superficial erosion; phytosanitary aspects; climatological conditions
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MDPI and ACS Style

Vianna, V.F.; Fleury, M.P.; Menezes, G.B.; Coelho, A.T.; Bueno, C.; Lins da Silva, J.; Luz, M.P. Bioengineering Techniques Adopted for Controlling Riverbanks’ Superficial Erosion of the Simplício Hydroelectric Power Plant, Brazil. Sustainability 2020, 12, 7886. https://doi.org/10.3390/su12197886

AMA Style

Vianna VF, Fleury MP, Menezes GB, Coelho AT, Bueno C, Lins da Silva J, Luz MP. Bioengineering Techniques Adopted for Controlling Riverbanks’ Superficial Erosion of the Simplício Hydroelectric Power Plant, Brazil. Sustainability. 2020; 12(19):7886. https://doi.org/10.3390/su12197886

Chicago/Turabian Style

Vianna, Vinicius F., Mateus P. Fleury, Gustavo B. Menezes, Arnaldo T. Coelho, Cecília Bueno, Jefferson Lins da Silva, and Marta P. Luz. 2020. "Bioengineering Techniques Adopted for Controlling Riverbanks’ Superficial Erosion of the Simplício Hydroelectric Power Plant, Brazil" Sustainability 12, no. 19: 7886. https://doi.org/10.3390/su12197886

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