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Pedometric tools for classification of southwestern Amazonian soils: a quali-quantitative interpretation incorporating visible-near infrared spectroscopy. Author(s): TAVARES, O. C. H.; TAVARES, T. R.; PINHEIRO JUNIOR, C. R.; SILVA, L. M. da; WADT, P. G. S.; PEREIRA, M. G. The southwestern region of the Amazon has great environmental variability, presents a great complexity of pedoenvironments due to its rich variability of geological and geomorphological environments,... ... Repository: BDPA Publication year: 2022
Pedometric tools applied to zoning management of areas in brazilian semiarid region. Author(s): PINHEIRO, H. S. K.; XAVIER, P. A. M.; ANJOS, L. H. C. dos; CHAGAS, C. da S.; CARVALHO JUNIOR, W. de Brazilian semi-arid region is a recent frontier in the country for agribusiness. The objective of this study is to apply pedometric tools to zoning areas with distinct potential and limitations to agr... ... Repository: BDPA Publication year: 2019
Annals [...]. Author(s): PEDOMETRICS BRAZIL, 2., 2021, Rio de Janeiro. Pedometrics: innovation in tropics; Legacy data: how turn it useful?; Advances in soil sensing; Pedometric guidelines to systematic soil surveys. Repository: BDPA Publication year: 2022
Usage of pedometrics for data evaluation and harmonization in soil profiles from Cerrado region, Mato Grosso do Sul. Author(s): 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
Soil classification from visible/near-infrared diffuse reflectance spectra at multiple depths. Author(s): VASQUES, G. de M.; DEMATTE, J. A. M.; LOPEZ, L. R.; TERRA, F. da S. Abstract : Visible/near-infrared diffuse reflectance spectroscopy (VNIRS) offers an alternative to conventional analytical methods to estimate various soil attributes. However, the use of VNIRS in soi... ... Repository: BDPA Publication year: 2011
Digital mapping of Fe2O3, Nb and TiO2 contents in Morro dos Seis Lagos (AM). Author(s): 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
Spatial distribution of elements in lateritic soils from a rare siderite carbonatite formation in the Brazilian Amazon using remotely sensed data and topographic attributes. Author(s): RODRIGUES, N.; RODRIGUES, H.; MANCINI, M.; PINHEIRO, H.; CARVALHO JUNIOR, W. de; LIBOHOVA, Z.; OWENS, P. The goal was to study the laterization process undergoing on a rare siderite carbonatite parent material by assessing the spatial distribution of Fe2O3, Nb, TiO2, and W using machine learning. Repository: BDPA Publication year: 2024
Mapeamento digital dos teores de Fe2O3, MnO, Nb e TiO2 em Morro dos Seis Lagos - AM, Brasil. Author(s): RODRIGUES, N. B.; SILVA, J. C. L. da; SILVA, R. P. M. da; PINHEIRO, H. S. K.; CARVALHO JUNIOR, W. de Conceitos em pedometria e técnicas de Machine Learning são cada vez mais utilizados na execução de levantamentos de solos, empregando procedimentos de mapeamento digital de solos. O objetivo do estudo... ... Repository: BDPA Publication year: 2024
Open legacy soil survey data in Brazil: geospatial data quality and how to improve it. Author(s): SAMUEL-ROSA, A.; DALMOLIN, R. S. D.; MOURA-BRUNO, J. M.; TEIXEIRA, W. G.; FILIPPINI ALBA, J. M. Spatial soil data applications require sound geospatial data including coordinates and a coordinate reference system. However, when it comes to legacy soil data we frequently find them to be missing o... ... Repository: BDPA Publication year: 2020
Mapeamento de solos do tradicional ao digital. Author(s): LIMA, L. A. de S.; NEUMANN, M. R. B; BRAGA, A. R. dos S.; ROIG, H. L. Repository: BDPA Publication year: 2013

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