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Digital mapping of Fe2O3, Nb and TiO2 contents in Morro dos Seis Lagos (AM). Authorship: RODRIGUES, N. B.; SILVA, J. C. L. da; PINHEIRO, H. S. K.; CARVALHO JUNIOR, W. de The study aimed to evaluate the performance of Multivariate Adaptive Regression Spline (MARS), Radial Support Vector Machine (svmRadial) and Random Forest (RF) models to predict the spatial distributi... ... Repository: BDPA Publication year: 2023
Predição espacial de areia total através de machine learning: estudo de caso Projeto Salitre, Bahia. Authorship: SALDANHA, G. da R.; PINHEIRO, H. S. K.; CARVALHO JUNIOR, W. de; CHAGAS, C. da S.; RODRIGUES, N. B.; RAMOS, E. E. C.; GUIMARÃES, L. D. D. O objetivo do trabalho foi comparar dois modelos de machine-learning, Regressão Linear Múltipla (RLM) e Random Forest (RF), para a predição da distribuição da fração areia total do solo. Repository: BDPA Publication year: 2023
Hydropedological digital mapping: machine learning applied to spectral VIS-IR and radiometric data dimensionality reduction. Authorship: SANTOS, P. A. dos; PINHEIRO, H. S. K.; CARVALHO JUNIOR, W. de; SILVA, I. L. da; PEREIRA, N. R.; BHERING, S. B.; CEDDIA, M. B. Pedosphere-hydrosphere interface accounts for the association between soil hydrology and landscape, represented by topographic and Remote Sensing data support and integration. This study aimed to anal... ... Repository: BDPA Publication year: 2023
Could airborne geophysical data be used to improve predictive modeling of agronomic soil properties in tropical hillslope area? Authorship: BASTOS, B. P.; PINHEIRO, H. S. K.; FERREIRA, F. J. F.; CARVALHO JUNIOR, W. de; ANJOS, L. H. C. dos Airborne geophysical data (AGD) have great potential to represent soil-forming factors. Because of that, the objective of this study was to evaluate the importance of AGD in predicting soil attributes... ... Repository: BDPA Publication year: 2023
Use of variables derived from the Digital Elevation Model for the sustainable planning of soils in Bom Jardim - RJ. Authorship: AGUIAR, F. I. dos S.; PINHEIRO, H. S. K.; CARVALHO JUNIOR, W. de The research goal is to analyze terrain attributes obtained from a digital elevation model (DEM) to represent soil forming factors used in digital soil mapping at Bom Jardim county, Rio de Janeiro sta... ... Repository: BDPA Publication year: 2022
Priority areas for water resources conservation: study case Canal Guandu watershed. Authorship: VIEIRA, J. N.; PINHEIRO, H. S. K.; BUENO, M. M.; CARVALHO JUNIOR, W. de; PEREIRA, N. R.; CARVALHO, D. C. de; SOARES, P. F. C. The environmental resilience is strictly dependent of water availability. The identification of priority areas is important to conservation aid land-use planning and urban expansion, conservation, and... ... Repository: BDPA Publication year: 2021
Levantamento semidetalhado dos solos da microbacia do Córrego do Bonfim, município de Petrópolis, Região Serrana do estado do Rio de Janeiro. Authorship: PEREIRA, N. R.; CARVALHO JUNIOR, W. de; FERNANDES FILHO, E. I.; CALDERANO FILHO, B.; BHERING, S. B.; CHAGAS, C. da S.; DART, R. de O.; AGLIO, M. L. D.; LAWALL, S.; PINHEIRO, H. S. K.; PEREIRA, V. R. Ao longo de anos, o homem vem tentando entender melhor os diversos tipos de ambientes para poder utilizá-los de forma mais racional e sustentável. Nesse contexto, o mapeamento de solos é de grande imp... ... Repository: BDPA Publication year: 2021
Sample design effects on soil unit prediction with machine: randomness, uncertainty, and majority map. Authorship: CARVALHO JUNIOR, W. de; PEREIRA, N. R.; FERNANDES FILHO, E. I.; CALDERANO FILHO, B.; PINHEIRO, H. S. K.; CHAGAS, C. da S.; BHERING, S. B.; PEREIRA, V. R.; LAWALL, S. Notwithstanding the importance of soil surveys, advances in digital soil mapping have mainly focused on mapping soil attributes or properties rather than developing digital maps of soil units or soil... ... Repository: BDPA Publication year: 2020
Pedometria e mapeamento digital: contribuições na classificação e mapeamento de solos. Authorship: CARVALHO JUNIOR, W. de; PINHEIRO, H. S. K.; BARBOSA, T. R. P. A Pedometria e o Mapeamento Digital de Solos ocupam um lugar importante na ciência do solo. Este ramo da pedologia, trata de estudar aspectos dos solos através de cálculos e modelos estatísticos e geo... ... Repository: BDPA Publication year: 2020
Usage of pedometrics for data evaluation and harmonization in soil profiles from Cerrado region, Mato Grosso do Sul. Authorship: XAVIER, P. A. M.; ANJOS, L. H. C. dos; PINHEIRO, H. S. K.; CHAGAS, C. da S.; CARVALHO JUNIOR, W. de The objective of this study is to point out similarities between soils from a collection of 19 profiles, sampled in the state of Mato Grosso do Sul, latitude 20º26'34 "South and longitude 54 ° 38'47"... ... Repository: BDPA Publication year: 2019

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