1971
DOI: 10.1097/00010694-197112000-00006
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Column Scanning With 60 Kev Gamma Radiation

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Cited by 12 publications
(3 citation statements)
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“…4 was essentially completed after 12 hours. The simulated curve is not smooth, since plotted water contents were obtained by weighing and summing the water contents of the concentric layers that coincided with a measuring location: thus plotted data refer to the rectangular geometry of the water measurements obtained by gamma radiation (De Swart and Groenevelt, 1971 ). The major portion of the simulated curve and the data points match well.…”
Section: Resultsmentioning
confidence: 98%
See 1 more Smart Citation
“…4 was essentially completed after 12 hours. The simulated curve is not smooth, since plotted water contents were obtained by weighing and summing the water contents of the concentric layers that coincided with a measuring location: thus plotted data refer to the rectangular geometry of the water measurements obtained by gamma radiation (De Swart and Groenevelt, 1971 ). The major portion of the simulated curve and the data points match well.…”
Section: Resultsmentioning
confidence: 98%
“…( 4) A gamma ray ( 60 ke V radiation from 241 Am) attenuation apparatus (resolution of 1 mm) (De Swart and Groenevelt, 1971 ) to measure the radial distribution of soil water content.…”
Section: Measuring Systemmentioning
confidence: 99%
“…Bacchi et al (1998) propôs teoricamente o uso da técnica de atenuação de raios gama, em conjunto com as tradicionais câmaras de pressão, como uma ferramenta auxiliar para a obtenção da curva de retenção. A técnica de atenuação de raios gama possibilita determinações simultâneas, não invasivas, da densidade e umidade do solo, e pode oferecer muitas vantagens em relação aos correspondentes métodos convencionais (VAN BAVEL, 1959;REICHARDT, 1965;DE SWART & GROENEVELT, 1971;OLESEN, 1973;FERRAZ & MANSELL, 1979;DANE et al, 1992;JALBERT & DANE, 2001).…”
Section: Introductionunclassified