2016
DOI: 10.1590/s0100-204x2016000900029
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Abstract: Resumo -O objetivo deste trabalho foi identificar atributos dos solos e de sedimentos como instrumentos para determinação dos impactos decorrentes da erosão hídrica, bem como propor redução do sobreúso dos solos no Cerrado goiano. Solos e sedimentos da mata ciliar do Córrego Ponte Nova, bem como do cultivo de soja a montante foram avaliados por micromorfometria quanto à morfologia, à granulometria e à porosidade. Na encosta cultivada, o solo foi classificado como Latossolo Vermelho distroférrico, e, na mata ci… Show more

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Cited by 7 publications
(5 citation statements)
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References 19 publications
(16 reference statements)
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“…Regarding stability, it was observed that after air drying and oven drying, the plinthite subsamples of P1, P2, P3, and P4 profiles and the petroplinthite subsample of the P5 profile remained practically unchanged when passed through a 2.00 mm mesh sieve (Table 6). Therefore, the ferruginous materials investigated are highly stable, corroborating studies by Momoli and Cooper (2016), since iron and aluminum oxides are considered cementing agents responsible for high cohesion among the particles, which favors stabilization. In P5, a profile of Plintossolo Pétrico with different geneses of all the profiles showed high stability of the petroplinthite, causing less structural damage than in the plinthites of the other profiles.…”
Section: Stability Of Subsamples Of Plinthite and Petroplinthite Undesupporting
confidence: 80%
See 1 more Smart Citation
“…Regarding stability, it was observed that after air drying and oven drying, the plinthite subsamples of P1, P2, P3, and P4 profiles and the petroplinthite subsample of the P5 profile remained practically unchanged when passed through a 2.00 mm mesh sieve (Table 6). Therefore, the ferruginous materials investigated are highly stable, corroborating studies by Momoli and Cooper (2016), since iron and aluminum oxides are considered cementing agents responsible for high cohesion among the particles, which favors stabilization. In P5, a profile of Plintossolo Pétrico with different geneses of all the profiles showed high stability of the petroplinthite, causing less structural damage than in the plinthites of the other profiles.…”
Section: Stability Of Subsamples Of Plinthite and Petroplinthite Undesupporting
confidence: 80%
“…Iron oxides strongly influence the hardening of ferruginous materials (Santos and Batista, 1996) and the formation and stabilization of soil structure (Momoli and Cooper, 2016). Determination of hardness, expressed by the compressive strength of the material, allows identification of the degree of hardening and the stage of development of the ferruginous material (Coelho et al, 2001).…”
Section: Introductionmentioning
confidence: 99%
“…This indicates high stability of the ferruginous materials examined here (Table 6). According to Momoli and Cooper (2016), the cementing action of Fe and Al oxides accounts for the high cohesion between particles, favoring stabilization, which confirms our results. Practically no reversibility of the hardening process of the ferruginous materials was observed in response to the action of different chemical agents, suggesting that this process is irreversible for the region and for the tested periods.…”
Section: Degree Of Stability Of Plinthite and Petroplinthite In Resposupporting
confidence: 90%
“…Mas vejam, com as alterações do nível d'água ao longo do ano, pode ocorrer que as sucções atuantes acima no nível freático e que, de repente e rapidamente, tendem a ser eliminadas pela subida do nível d'água durante uma cheia, podem submeter a fase ar a uma pressão neutra positiva, acentuando as erosões de margem. É certo que outros fatores, como mostraram Monoli et al (2018) e Mascarenha et al (2015), vão afetar essa erosão de margem das hidrovias, no entanto, vou ficando por aqui, agradecendo e colocando-me à disposição de todos para as discussões.…”
Section: Obras Viáriasunclassified