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      Volume de enxurrada e perda de solo em estradas florestais em condições de chuva natural Translated title: Runoff volume and soil loss from forest roads under normal rainfall conditions

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          Abstract

          Foram determinados o volume total de água escoada e a perda de solo através da produção de sedimentos provenientes de segmentos de estradas florestais em condições de chuva natural, com diferentes valores de precipitações. As inclinações dos segmentos de 1 e 7% foram analisadas, enquanto os comprimentos variaram de 20 e 40 m, com 4 m de largura. Os segmentos de estrada foram delimitados com tábuas de 0,30 m de largura, envolvidas em lona plástica, para sua impermeabilização. Os dados de volume e intensidade de precipitação diária foram obtidos com a instalação de pluviômetro e pluviógrafo no local. O período de coleta de dados foi de um ano, concentrando-se na época das chuvas. O volume de enxurrada foi mais afetado pelo comprimento do segmento, ao passo que a massa de solo sofreu maior influência da declividade. A massa de solo erosinado cresceu exponencialmente em função do incremento do volume de enxurrada.

          Translated abstract

          The total runoff volume and soil loss caused by the production of sediments derived from forest road segments under normal rainfall conditions were determined. Segment slopes from 1 and 7% were analyzed, with segment lengths ranging from 20 and 40 m and width of 4 m. The road segments were marked with 0.30 m wide boards, protected with a plastic, waterproof film. Rainfall volume and intensity data were daily obtained by means of pluviometers and pluviographs. Data collection period was one year, concentrated in the rainy season. Runoff volume was most affected by segment length while soil loss was most affected by steepness. Soil sediment mass increased exponentially in function of the increased runoff volume.

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          Effect of logging roads on sediment production rates in the Idaho Batholith /

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            Captação de águas pluviais das estradas vicinais

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              • Record: found
              • Abstract: not found
              • Article: not found

              Sediment production from forest roads in Western Oregon

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rarv
                Revista Árvore
                Rev. Árvore
                Sociedade de Investigações Florestais (Viçosa )
                1806-9088
                August 2003
                : 27
                : 4
                : 535-542
                Affiliations
                [1 ] Instituto Brasileiro do Meio Ambiente
                [2 ] Universidade Federal de Viçosa Brazil
                Article
                S0100-67622003000400014
                10.1590/S0100-67622003000400014
                a1cc52d0-8888-489b-a1e3-37abd285a30c

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-6762&lng=en
                Categories
                FORESTRY

                Forestry
                Forest road,runoff volume,soil loss,normal rainfall,Estrada florestal,volume de enxurrada,perda de solo,chuva natural

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