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| Registros recuperados : 11 | |
| 11. |  | PIMENTEL, L. O.; GIEHL, M. R.; BACK, A. J.; SILVA, B. B.; MARIANO, B. P.; CORSEUIL, C. W. Fatores climáticos e hidrológicos na avaliação da trilha piscinas do Malacara, extremo sul de Santa Catarina. In: SIMPÓSIO BRASILEIRO DE RECURSOS HÍDRICOS, 25., 2023, Aracajú, SE. Anais... Porto Alegre, RS: ABRH, 2023. p. 1-10| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 11 | |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
20/09/2023 |
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Data da última atualização: |
20/09/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CORSEUIL, C. W.; GIEHL, M. R.; PIMENTEL, L. O.; BACK, A. J. |
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Título: |
Analysis of rainfall erosivity in South America. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Concilium, Açores, v. 23, n. 18, p. 331-354, 2023. |
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Idioma: |
Inglês |
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Conteúdo: |
The study aimed to evaluate and spatialize rainfall erosivity, average annual rainfall and erosivity density in South America, based on 173 rain gauge stations in 7 countries, using 16 years of historical data series. The erosivity factor (EI30) from the USLE model was used to assess erosivity. The erosivity density was obtained from the relationship between erosivity and precipitation. An erosion risk map was obtained by associating the erosivity density with rainfall. The lowest erosivity factor obtained was 71.00 MJ mm ha-1 h-1 year-1 in Chile (El Sobrante) and the highest was 2,2452.00 MJ mm ha-1 h-1 year-1 in Brazil (Belém do Pará). The erosivity density showed values between 0.49 MJ ha-1 h-1 (Chile) and 12.59 MJ ha-1 h-1 (Brazil). High variability was also found for precipitation, with < 144.00 mm year-1 in Chile and > 4,327 mm year-1 (Colombia). In northeastern Brazil and northern Venezuela were identified the areas with the highest erosion risk, associated with low rainfall and high erosivity density. |
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Thesagro: |
Average annual rainfall; Erosion risk; Erosivity density. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01570naa a2200193 a 4500
001 1133683
005 2023-09-20
008 2023 bl uuuu u00u1 u #d
100 1 $aCORSEUIL, C. W.
245 $aAnalysis of rainfall erosivity in South America.$h[electronic resource]
260 $c2023
520 $aThe study aimed to evaluate and spatialize rainfall erosivity, average annual rainfall and erosivity density in South America, based on 173 rain gauge stations in 7 countries, using 16 years of historical data series. The erosivity factor (EI30) from the USLE model was used to assess erosivity. The erosivity density was obtained from the relationship between erosivity and precipitation. An erosion risk map was obtained by associating the erosivity density with rainfall. The lowest erosivity factor obtained was 71.00 MJ mm ha-1 h-1 year-1 in Chile (El Sobrante) and the highest was 2,2452.00 MJ mm ha-1 h-1 year-1 in Brazil (Belém do Pará). The erosivity density showed values between 0.49 MJ ha-1 h-1 (Chile) and 12.59 MJ ha-1 h-1 (Brazil). High variability was also found for precipitation, with < 144.00 mm year-1 in Chile and > 4,327 mm year-1 (Colombia). In northeastern Brazil and northern Venezuela were identified the areas with the highest erosion risk, associated with low rainfall and high erosivity density.
650 $aAverage annual rainfall
650 $aErosion risk
650 $aErosivity density
700 1 $aGIEHL, M. R.
700 1 $aPIMENTEL, L. O.
700 1 $aBACK, A. J.
773 $tConcilium, Açores$gv. 23, n. 18, p. 331-354, 2023.
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