Rainfall erosivity for Pantanal biome

被引：9
|
作者：
Machado, Daniel Okamoto [1 ]
Sobrinho, Teodorico Alves [2 ,3 ]
Ribeiro, Aline da Silva [4 ]
Ide, Carlos Nobuyoshi [5 ]
Oliveira, Paulo Tarso Sanches [6 ]
机构：
[1] Univ Fed Mato Grosso do Sul, Campo Grande, MS, Brazil
[2] Univ Fed Vicosa, Vicosa, MG, Brazil
[3] UFMS Bolsista CNPq, Vicosa, MG, Brazil
[4] Univ Sao Paulo EESC USP, Sao Carlos, SP, Brazil
[5] UFRGS, Campo Grande, MS, Brazil
[6] EESC USP, Sao Carlos, SP, Brazil
来源：
ENGENHARIA SANITARIA E AMBIENTAL | 2014年 / 19卷 / 02期
关键词：
soil loss; erosivity; soil conservation; erosion; R-FACTOR; BRAZIL; VARIABILITY; PATTERNS; WETLAND; CLIMATE;
D O I：
10.1590/S1413-41522014000200010
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
The scarcity of pluviograph data in the Pantanal zone forced many researchers to use regression equations obtained in others regions of Brazil to calculate the R factor of Universal Soil Loss Equation (USLE). This study defines a model to predict the erosivity of the Pantanal Biome correlating the calculated rainfall erosivity index EI30 and the rainfall coefficient (Rc). The model showed a significant correlation with the observed data, yielding coefficient of determination of 97%. Therefore, the rainfall erosivity model proposed can be used to estimate the R Factor of USLE data from monthly and annual precipitation for the region and other regions with similar climatic characteristics.
引用
收藏
页码：195 / 201
页数：7
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