INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN
The present study examined the influence of the Hydroelectric Power Plant (HPP) of Passo Fundo dam lake on local rainfall pattern. Daily rainfall data were obtained from the National Water Agency for two different periods: prior to the lake filling, 1960-1970 (pre-filling) and later to the lake fill...
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| Format: | Article |
| Language: | Portuguese |
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Associação Brasileira de Climatologa
2017-08-01
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| Series: | Revista Brasileira de Climatologia |
| Subjects: | |
| Online Access: | https://revistas.ufpr.br/revistaabclima/article/view/46939 |
| _version_ | 1819013432291098624 |
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| author | Fabio de Oliveira Sanches Suéllen Tonatto Ferrazo Roberto Valmir da Silva Leonardo Chechi Ricardo Vicente Ferreira |
| author_facet | Fabio de Oliveira Sanches Suéllen Tonatto Ferrazo Roberto Valmir da Silva Leonardo Chechi Ricardo Vicente Ferreira |
| author_sort | Fabio de Oliveira Sanches |
| collection | DOAJ |
| description | The present study examined the influence of the Hydroelectric Power Plant (HPP) of Passo Fundo dam lake on local rainfall pattern. Daily rainfall data were obtained from the National Water Agency for two different periods: prior to the lake filling, 1960-1970 (pre-filling) and later to the lake filling, 1971-1981 (post-filling). Statistical measures (mean, maximum, minimum, standard deviation and coefficient of variation) and the Student’s t-test were applied to both periods regarding the monthly rainfall total. The Student's t-test was also applied to days with cumulative rainfall greater than 1 mm, 10 mm, 20 mm, 30 mm, 50 mm, 80 mm and 100 mm, to the number of dry days and to the monthly largest dry period. The results showed that only days with cumulative rainfall exceeding 50 mm (July), number of dry days in the month (June) and the monthly largest dry period (May and Nov) were influenced due to the formation of the dam lake |
| first_indexed | 2024-12-21T01:59:51Z |
| format | Article |
| id | doaj.art-ee28239a4b8a41d6b9e06f8179492f5d |
| institution | Directory Open Access Journal |
| issn | 1980-055X 2237-8642 |
| language | Portuguese |
| last_indexed | 2024-12-21T01:59:51Z |
| publishDate | 2017-08-01 |
| publisher | Associação Brasileira de Climatologa |
| record_format | Article |
| series | Revista Brasileira de Climatologia |
| spelling | doaj.art-ee28239a4b8a41d6b9e06f8179492f5d2022-12-21T19:19:41ZporAssociação Brasileira de ClimatologaRevista Brasileira de Climatologia1980-055X2237-86422017-08-0120010.5380/abclima.v20i0.4693927310INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERNFabio de Oliveira Sanches0Suéllen Tonatto Ferrazo1Roberto Valmir da Silva2Leonardo Chechi3Ricardo Vicente Ferreira4Universidade Federal do Triângulo Mineiro (UFTM)Universidade Federal da Fronteira Sul (UFFS)Universidade Federal da Fronteira Sul (UFFS)Universidade Federal da Fronteira Sul (UFFS).Universidade Federal do Triângulo Mineiro (UFTM)The present study examined the influence of the Hydroelectric Power Plant (HPP) of Passo Fundo dam lake on local rainfall pattern. Daily rainfall data were obtained from the National Water Agency for two different periods: prior to the lake filling, 1960-1970 (pre-filling) and later to the lake filling, 1971-1981 (post-filling). Statistical measures (mean, maximum, minimum, standard deviation and coefficient of variation) and the Student’s t-test were applied to both periods regarding the monthly rainfall total. The Student's t-test was also applied to days with cumulative rainfall greater than 1 mm, 10 mm, 20 mm, 30 mm, 50 mm, 80 mm and 100 mm, to the number of dry days and to the monthly largest dry period. The results showed that only days with cumulative rainfall exceeding 50 mm (July), number of dry days in the month (June) and the monthly largest dry period (May and Nov) were influenced due to the formation of the dam lakehttps://revistas.ufpr.br/revistaabclima/article/view/46939rainfallclimate changestatistical tests. |
| spellingShingle | Fabio de Oliveira Sanches Suéllen Tonatto Ferrazo Roberto Valmir da Silva Leonardo Chechi Ricardo Vicente Ferreira INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN Revista Brasileira de Climatologia rainfall climate change statistical tests. |
| title | INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN |
| title_full | INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN |
| title_fullStr | INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN |
| title_full_unstemmed | INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN |
| title_short | INFLUENCE OF THE HYDROELECTRIC POWER PLANT OF PASSO FUNDO LAKE (RS, BRAZIL) ON LOCAL RAINFALL PATTERN |
| title_sort | influence of the hydroelectric power plant of passo fundo lake rs brazil on local rainfall pattern |
| topic | rainfall climate change statistical tests. |
| url | https://revistas.ufpr.br/revistaabclima/article/view/46939 |
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