气候变化领域集成服务门户(CCPortal): Environmental impacts due to the behavior of limnological variables in water reservoirs of hydroelectric power plants

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DOI	10.1007/s12665-024-11624-z
	Environmental impacts due to the behavior of limnological variables in water reservoirs of hydroelectric power plants
	de Barcelos, Assuncao Andrade; Gomes, Patricia da Silva; Ramalho, Fernanda Luiza; Rocha, Hudson Moraes; Cabral, Joao Batista Pereira; Paulino, Alexandre Tadeu
发表日期	2024
ISSN	1866-6280
EISSN	1866-6299
起始页码	83
结束页码	9
卷号	83 期号:9
英文摘要	Reservoirs are artificial systems that alter the natural conditions of the environment. This transformation process affects the chemical, physical and biological properties of the water body. The objective of this study was to assess the environmental impacts due to the spatial behavior of limnological variables in water reservoirs, using the Espora Hydroelectric Power Plant (HPP) water reservoir as environmental system model. The parameters analyzed were: hydrogen potential (pH), water temperature, turbidity, transparency and chlorophyll-a content. Thirty-four collection points were selected in the model reservoir in four different periods (winter, spring, summer, and autumn). The results were compared to Brazilian legislation standards for fresh water, according to resolution no 357/2005 of the national council for the environment (Conama), and statistically evaluated through principal component analysis (PCA). The limnological parameters indicated that the water body can be classified as class 2. The first two axes of the PCA explain 62.59% of the total variation of the correlations among the physical, chemical, and biological variables, during the four sampling campaigns in the climatic seasons of the study cerrado region. Transparency, water temperature, pH, and chlorophyll-a content were the most significant variables, with correlation coefficients of 0.614, - 0.677, 0.755, and - 0.484, indicating a gradient related to the increase of the primary productivity of aquatic organisms in the reservoir. This work has useful results that can be used for the environmental monitoring of HPP water reservoirs around the world.
英文关键词	Water reservoir; Limnology; PCA; Environmental monitoring
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Water Resources
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS记录号	WOS:001214465600002
来源期刊	ENVIRONMENTAL EARTH SCIENCES
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/298843
作者单位	Universidade Federal de Goias; Universidade do Estado de Santa Catarina
推荐引用方式 GB/T 7714	de Barcelos, Assuncao Andrade,Gomes, Patricia da Silva,Ramalho, Fernanda Luiza,et al. Environmental impacts due to the behavior of limnological variables in water reservoirs of hydroelectric power plants[J],2024,83(9).
APA	de Barcelos, Assuncao Andrade,Gomes, Patricia da Silva,Ramalho, Fernanda Luiza,Rocha, Hudson Moraes,Cabral, Joao Batista Pereira,&Paulino, Alexandre Tadeu.(2024).Environmental impacts due to the behavior of limnological variables in water reservoirs of hydroelectric power plants.ENVIRONMENTAL EARTH SCIENCES,83(9).
MLA	de Barcelos, Assuncao Andrade,et al."Environmental impacts due to the behavior of limnological variables in water reservoirs of hydroelectric power plants".ENVIRONMENTAL EARTH SCIENCES 83.9(2024).