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Author(s): 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

Author(s): ALBERTI, R.; HOFF, R.; LOPES, R. DA C.; PAULETTO, H.

O método de espectrometria de raio gama é uma alternativa para medir rapidamente a intensidade da radiação emitida pelos elementos potássio (K), tório (Th) e urânio (U) na superfície do solo e isso po... ...

Repository: BDPA     Publication year: 2024

Author(s): ALBERTI, R.; HOFF, R.; LOPES, R. da C.; PAULETTO, H.

The gamma-ray spectrometry method is an alternative for quickly measuring the intensity of the radiation emitted by the elements U (uranium), K (potassium) and Th (thorium) from the soil surface, bein... ...

Repository: BDPA     Publication year: 2023

Author(s): BASTOS, B.; PINHEIRO, H.; CARVALHO JUNIOR, W. de

Aero geophysical data is becoming an important source of environmental covariate in digital mapping. Airborne gamma-ray spectrometry is more common in digital soil mapping, because of the penetration... ...

Repository: BDPA     Publication year: 2022

Author(s): VILELA, F. DE A.; TIMES, V. C.; BERNARDI, A. C. de C.; FREITAS, A. DE P.; CIFERRI, R. R.

Nowadays, organizations are very interested to gather data for strategic decision-making. Data are disposable in operational sources, which are distributed, heterogeneous, and autonomous. These data a... ...

Repository: BDPA     Publication year: 2023

Author(s): MEZA, L. A.; GOMES, E. G.; MELLO, J. C. C. B. S. de; BIONDI NETO, L.

Repository: BDPA     Publication year: 2009

Author(s): BIONDI NETO, L.; MELLO, J. C. C. B. S. de; MEZA, L. A.; GOMES, E. G.

Interval DEA frontiers are here used in situation where one input or output is subject to uncertainty in its measurement and is presented as an interval data. We built an efficient frontier without an... ...

Repository: BDPA     Publication year: 2009

Author(s): BARRETO, P. V. DE A.; SILVA, M. A. S. da; MATOS, L. N.; MIRANDA JÚNIOR, G. F.; DOMPIERI, M. H. G.; MOURA, F. R. DE; RESENDE, F. K. S.

ABSTRACT: This paper proposes an algorithm for analyzing clusters of thematic maps with ordinal categorical classes to support territorial zoning. The proposed method combines the Self-Organizing Map... ...

Repository: BDPA     Publication year: 2023

Author(s): FILIPPINI ALBA, J. M.; CRUZ, L. E. C.; DUCATI, J. R.; CUNHA, H. N. da; DOMINGUES, J. M. M.

Repository: BDPA     Publication year: 2019

Author(s): MARTINS, V.; KALEITA, A. L.; GELDER, B. K.; SILVEIRA, H. L. F. da; ABE, C. A.

Repository: BDPA     Publication year: 2019

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