2014
DOI: 10.1590/s0100-06832014000500002
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Comparação do uso de modelos digitais de elevação em mapeamento digital de solos em Dois Irmãos, RS, Brasil

Abstract: Os modelos digitais de elevação (MDEs) são fontes fundamentais para correlacionar a ocorrência e distribuição de solos com a paisagem pelo mapeamento digital de solos (MDS). A influência dos tipos e das resoluções dos MDEs na capacidade de predição dos modelos preditores de classes de solo ainda é pouco estudada. Neste estudo, foram avaliados e comparados os efeitos de diferentes MDEs na predição de ocorrência de unidades de mapeamento de solo (UM). Foram correlacionados 12 atributos do terreno derivados de di… Show more

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Cited by 10 publications
(19 citation statements)
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“…The relief of the study area was represented differently by the DEMs (Figure 3a), as evidenced by descriptive statistics, mainly by the mean, minimum and maximum elevation values (Figure 3b). These results are in line with those of Chagas et al (2010) and Teske et al (2014), who showed that the relief is represented differently by each DEM. In addition, Teske et al (2014) showed that DEMs with a high variation in elevation values generated less accurate prediction models of soil types with a lower number of predicted map units.…”
Section: Resultssupporting
confidence: 91%
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“…The relief of the study area was represented differently by the DEMs (Figure 3a), as evidenced by descriptive statistics, mainly by the mean, minimum and maximum elevation values (Figure 3b). These results are in line with those of Chagas et al (2010) and Teske et al (2014), who showed that the relief is represented differently by each DEM. In addition, Teske et al (2014) showed that DEMs with a high variation in elevation values generated less accurate prediction models of soil types with a lower number of predicted map units.…”
Section: Resultssupporting
confidence: 91%
“…These were chosen for being the key TA used in DSM (Behrens et al, 2010;ten Caten et al, 2012), having been studied in the DEM evaluation for use in DSM (Pinheiro et al, 2012;Teske et al, 2014) and for being directly related to water movement in the soil, with an influence on the soil formation process (Moore et al, 1993;Wilson and Gallant, 2000).…”
Section: Evaluation Of the Quality Of Elevation Data Of Demsmentioning
confidence: 99%
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