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Doctoral Thesis
DOI
https://doi.org/10.11606/T.11.1984.tde-20210104-183703
Document
Author
Full name
Pedro Luiz Donzeli
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 1984
Supervisor
Title in Portuguese
Comportamento espectral de três latossolos argilosos da região de Limeira - Araras - S.P. em relação às suas propriedades físicas e químicas
Keywords in Portuguese
COMPORTAMENTO ESPECTRAL
LATOSSOLOS ARGILOSOS
PROPRIEDADES FÍSICO-QUÍMICAS DO SOLO
SENSORIAMENTO REMOTO
Abstract in Portuguese
Foram realizados estudos de espectroscopia fotoacústica e densitometria de faixas espectrais em amostras de três latossolos argilosos, da região de Limeira-Araras, no Estado de São Paulo, Brasil. Os espectros óticos de refletância, na faixa de 450-900 mm, foram relacionados ã registros tonais em imagens aerofotografias coloridas normais e infravermelhas e a determinadas propriedades físicas e químicas desses solos. A correlação entre os dados de reflectância do espectro fotoacústico, para determinados intervalos de comprimento de onda, com pares de variáveis selecionadas estatisticamente, através dos coeficientes de correlação simples e parcial, mostrou-se significante. Foram observados altos coeficientes de correlação simples entre parâmetros do solo, tais como, óxidos de ferro livre, mátria orgânica, cor e granulometria com a reflectância densitométrica relativa em amostras de solos ou registros tonais nas imagens aerofotografias.
Title in English
Spectral behaviour of three fine textured latosols from the Limeira - Araras - S.P, relate d to its physical & chemical properties
Keywords in English

Abstract in English
Photoacoustic spectroscopy and spectral band densitornetry studies were carried out on samples of three fine textured latosols, from Limeira-Araras region, São Paulo State, Brazil. Optical reflectance spectra, in a wave lenght range from 450 to 900 nm, were related to tonal densities in normal calor and calor infrared aerial photographic images and selected phisical and chemical properties of soils. The relationships between reflectance photoacoustic spectra for specific wave lenght intervals. with statistica1 selected pairs of variables, through parcial and simple correlation coeficientes, were significant. It was observed high simple correlation coeficients of soil parameters, as free iron oxides, organic matter, calor and granulometry with relative densitometry reflectance on the soil samples or tonal densities in aerial photographic images.
 
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DonzeliPedroLuiz.pdf (5.52 Mbytes)
Publishing Date
2021-01-07
 
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