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 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... ... |
 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... ... |
 Author(s): ARCHIBALD, S.; LEHMANN, C. E. R.; BELCHER, C. M.; BOND, W. J.; BRADSTOCK, R. A.; DANIAU, A-L; DEXTER, K. G.; FORRESTEL, E. J.; GREVE, M.; HE, T.; HIGGINS, S. I.; HOFFMANN, W. A.; LAMONT, B. B.; MCGLINN, D. J.; MONCRIEFF, G. R.; OSBORNE, C. P.; PAUSAS, G.; PRICE, O.; RIPLEY, B. S.; ROGERS, B. M.; SCHWILK, D. W.; SIMON, M. F.; TURETSKY, M. R.; VAN DER WERF, G. R.; ZANNE, A. E.
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 Author(s): BRONDÍZIO, E. S.; CAK, A.; CALDAS, M. M.; MENA, C.; BILSBORROW, R.; FUTEMMA, C. T.; LUDEWIGS, T.; MORAN, E. F.; BATISTELLA, M. This chapter discusses the relationship between small farmers land use and deforestation, with particular attention paid to the past 30 years of Amazonian colonization in Brazil and Ecuador. Our analy... ... |
 Author(s): ALVES, D. S.; MORTON, D. C.; BATISTELLA, M.; ROBERTS, D. A.; SOUZA JR, C. Investigating the rates and patterns of land cover and land use change (LCLUC) in Amazonia is a central issue for Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) research. LCLUC, along w... ... |
 Author(s): BATISTELLA, M.; ALVES, D. S.; MORAN, E. F.; SOUZA, Jr. C.; WALKER, R.; WALSH, S. J. Amazonia is the arena for an ongoing extraordinary transformation of nature and society. This process of change can be depicted in many and by various disciplines, with emphasis on the biosphere or th... ... |
 Author(s): MODENA, R. C. C.; HOFF, R.; FARIAS, A. R.; VIEL, J. A.; COELHO, O. G. W. The gamma-ray spectrometric research has allowed for observation of the distribution of radioactive elements such as K, U and Th for recognizing the radioactive signatures of different rock types. The... ... |
 Author(s): NASCIMENTO, C.; VASQUES, G. de M.; RODRIGUES, H. M.; CEDDIA, M. This work aimed to use a GPR equipped with a 450 MHz antenna to identify the depth of the clayey horizon marked with iron rods in Planosols. This study was carried out in an agroecological farm (Fazen... ... |
 Author(s): VASQUES, G. de M.; RODRIGUES, H. M.; OLIVEIRA, R. P. de; HERNANI, L. C.; TAVARES, S. R. de L. The objectives are to delineate soil management zones from soil proximal sensor data, and compare soil property values among zones in a 72-ha crop field in southeastern Brazil. Apparent electrical con... ... |
 Author(s): VASQUES, G. de M.; RODRIGUES, H. M.; HUBER, E.; TAVARES, S. R. de L.; MARQUES, F. A.; SILVA, M. S. L. da The objectives are to use ground penetrating radar (GPR) to: (a) find a suitable length and location for a future underground dam; and (b) model the shape and estimate the volume of its water reservoi... ... |
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