2021
DOI: 10.1002/ldr.3948
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Surface runoff from an area undergoing soil rehabilitation after bauxite mining in southeastern Brazil

Abstract: Changing hydrological processes and soil characteristics are of major environmental concern in surface mining. Runoff may be the best factor for determining the efficiency of rehabilitation after this type of mining, and needs more in-depth studies, but the environmental factors require more attention in order to control that runoff.The objective of this study was to compare the runoff during post-mining rehabilitation after the extraction of bauxite with that before mining, and to identify the factors that mo… Show more

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Cited by 7 publications
(8 citation statements)
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“…Studies on soil seed banks in mining areas are concentrated in places where there was direct mineral exploration, through floristic approaches and phytosociological surveys (Silva et al, 2019;Onésimo et al, 2021). However, there are many areas around the mining that suffer impacts, mainly related to the suppression of vegetation and changes in soil layers (Martins et al, 2020;Spletozer et al, 2021). Usually, the areas destined for the administrative sectors, the parking lots and other structures of the mining company have compacted soil and absence of the organic layer (O horizon) and the topsoil layer (A horizon) (Fonseca 2021).…”
Section: Introductionmentioning
confidence: 99%
“…Studies on soil seed banks in mining areas are concentrated in places where there was direct mineral exploration, through floristic approaches and phytosociological surveys (Silva et al, 2019;Onésimo et al, 2021). However, there are many areas around the mining that suffer impacts, mainly related to the suppression of vegetation and changes in soil layers (Martins et al, 2020;Spletozer et al, 2021). Usually, the areas destined for the administrative sectors, the parking lots and other structures of the mining company have compacted soil and absence of the organic layer (O horizon) and the topsoil layer (A horizon) (Fonseca 2021).…”
Section: Introductionmentioning
confidence: 99%
“…A cobertura pelas copas do eucalipto a partir do ano 5 é estabilizada, pois as plantas tendem reduzir a biomassa da copa em detrimento do tronco (SANTANA et al, 2008), confirmando que o aumento no escoamento superficial no ano 6 em relação aos anos 2 e 4 pode estar relacionado aos eventos atípicos de chuva (LI et al, 2017). Além disso, a retirada do minério acarreta a diminuição da declividade do terreno (SPLETOZER et al, 2021a) como pode ser visto nas parcelas dos anos 1 e 2. Outro fator é o aumento da densidade do solo no ano 6 em relação aos anos iniciais de reabilitação que também pode explicar esse aumento do escoamento superficial, pois solos minerados de maior densidade sugere a compactação do solo e restringe a infiltração de água no solo e aumenta o escoamento superficial (WANG; WANG, 2020).…”
Section: Características Das Chuvasunclassified
“…Os valores de escoamento superficial no limite inferior dos registros da literatura, podem ser considerados baixos, sendo a estrutura granular do latossolos argilosos uma explicação para isso, pois apresentam elevada drenagem e comportamento semelhante aos solos arenosos (SOUSA; LOBATO, 2022). Além disso, as técnicas de reabilitação implantadas nas minas com rápida cobertura do solo por vegetação e a presença de rugosidade na superfície do solo são fatores que explicam os baixos valores de escoamento superficial (SPLETOZER et al, 2021a).…”
Section: Modelos Preditivos De Aprendizado De Máquinaunclassified
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