Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/80352
Type: Artigo de periódico
Title: Reference Curve Numbers and Behavior for Sugarcane on Highly Weathered Tropical Soils
Author: Sartori, A
Hawkins, RH
Genovez, AM
Abstract: This work examines rainfall-runoff behavior and determines the reference curve numbers (CNs) on a highly weathered tropical clayey soil (Oxisol, or 'latosol') in Brazil for three conditions: (1) bare soil; (2) sugarcane with replanting each three years; and (3) near-permanent sugarcane without replanting. It compares findings with U.S. experiences and handbook values. Curve number and runoff behavior changed markedly after the seventh month of growth, and the profound influences of cover are clearly demonstrated. A surprising finding was that though these Oxisols are quite rich in clay, the rainfall-runoff results suggest that they should be classified as Hydrologic Soil Group B. DOI: 10.1061/(ASCE)IR.1943-4774.0000354. (C) 2011 American Society of Civil Engineers.
Subject: Curve number
Tropical soil
Oxisols
Hydrologic soil groups
Sugarcane
Rainfall-runoff
Country: EUA
Editor: Asce-amer Soc Civil Engineers
Rights: fechado
Identifier DOI: 10.1061/(ASCE)IR.1943-4774.0000354
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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