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2012
DOI: 10.1590/s1415-43662012000100004
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Caracterização física e hidráulica de solos em bacias experimentais do semiárido brasileiro, sob manejo conservacionista

Abstract: Para estudos de movimento da água no solo tornam-se imprescindíveis o conhecimento de suas propriedades físicas e hidráulicas e suas correlações. Ambas as propriedades têm importância fundamental no armazenamento e transporte de água, tal como, também, de nutrientes e no controle da infiltração, sendo influenciadas pelas condições de superfície do solo. Neste contexto buscou-se realizar, com o presente estudo, a caracterização físico-hídrica de solos de duas bacias experimentais (Jatobá e Mimoso/Pesqueira, PE)… Show more

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Cited by 11 publications
(8 citation statements)
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“…Sediment fraction measurements in rivers and streams are challenging and by sampling them, the sediment transport can be better understood (da Silva et al 2012). Additionally, soil erosion and SE estimations can be improved by enhancing model calibrations (Almagro et al 2019).…”
Section: Main Findings and Advancesmentioning
confidence: 99%
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“…Sediment fraction measurements in rivers and streams are challenging and by sampling them, the sediment transport can be better understood (da Silva et al 2012). Additionally, soil erosion and SE estimations can be improved by enhancing model calibrations (Almagro et al 2019).…”
Section: Main Findings and Advancesmentioning
confidence: 99%
“…REHISA is composed of eight federal universities from the Northeast region (UFPB, UFRN, UFCG, UFAL, UFPE, UFRPE, UFC and UFCG) and one state agency (FUNCEME). This partnership aims to create and improve instrumentation and monitor experimental basins, and address particular issues present in the Northeast region, including (a) anthropogenic changes that affect land cover and the hydrological cycle; (b) evaporation and sedimentation in dams (typically small and used for human supply); (c) evapotranspiration and interception in Caatinga vegetation (small trees and shrubs); (d) infiltration and subsurface flow in soils that are poor in nutrients, sandy and very shallow; and (e) surface water movement due to scarce precipitation (usually below 800 mm) (REHISA 2004, Santos et al 2011, Oliveira et al 2012, Silva et al 2012, Coutinho et al 2014, Figure 1. Number of publications by year (2009 found in a Scopus database search using the following terms: "experimental watershed," "experimental basin," "experimental catchment," "representative watershed," "representative basin," "representative catchment," and "field hydrology."…”
Section: Introductionmentioning
confidence: 99%
“…In the Caatinga, investigation of this subject is still rare. On the scale of watersheds in the semiarid region of Brazil, relevant research can be cited, however, with greater focus on sedimentological processes, such as Antonino et al (2004); Figueiredo et al (2016); Rodrigues et al (2009);Montenegro and Ragab (2010;; Neves et al (2010); Costa et al (2013); Silva, Montenegro and Santos (2012); Souza et al (2011).…”
Section: Introductionmentioning
confidence: 99%
“…A condutividade hidráulica do solo saturado sofre influência de atributos do solo tais como: estrutura, textura, homogeneidade, massa específica do solo, massa específica das partículas, porosidade total e macro e micro porosidade (Trevisan et al, 2009), manejo, e o teor de matéria orgânica (Silva et al, 2012). A curva de retenção de água no solo expressa a relação entre o potencial mátrico e a umidade do solo (Nascimento et al, 2010a), sendo uma característica específica de cada solo (Beutler et al, 2002).…”
Section: Introductionunclassified