D M Bonotto

Summary

Country: Brazil

Publications

  1. ncbi request reprint A laboratory study of the transfer of 234U and 238U during water-rock interactions in the Carnmenellis granite (Cornwall, England) and implications for the interpretation of field data
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 54:977-94. 2001
  2. ncbi request reprint Doses from 222Rn, 226Ra, and 228Ra in groundwater from Guarani aquifer, South America
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Instituto de Geociencias e Ciencias Exatas, Universidade Estadual Paulista UNESP, Av 24 A, no 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    J Environ Radioact 76:319-35. 2004
  3. ncbi request reprint A combined method for evaluating radon and progeny in waters and its use at Guarani aquifer, São Paulo State, Brazil
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, IGCE Instituto de Geociencias e Ciencias Exatas, Av 24 A, no 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    J Environ Radioact 86:337-53. 2006
  4. ncbi request reprint Determination of weathering rate of the Morro do Ferro Th-REEs deposit, Brazil using U-isotope method
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Campus de Rio Claro, Avnue 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 65:474-81. 2007
  5. ncbi request reprint U-ages in soils and groundwater evidencing wet periods 400-600kyr ago in southeast Brazil
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Av 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 65:776-83. 2007
  6. ncbi request reprint The transfer of uranium isotopes 234U and 238U to the waters interacting with carbonates from Mendip Hills area (England)
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 52:965-83. 2000
  7. doi request reprint Uranium distribution and radon exhalation from Brazilian dimension stones
    P G Q Amaral
    Departamento de Petrologia e Metalogenia, Instituto de Geociencias e Ciencias Exatas, Universidade Estadual Paulista UNESP, Av 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 70:808-17. 2012
  8. doi request reprint Sedimentation rates in Atibaia River basin, São Paulo State, Brazil, using 210Pb as geochronometer
    T P P Sabaris
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Av 24 A, no 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 69:275-88. 2011
  9. doi request reprint The natural radioactivity in Guarani aquifer groundwater, Brazil
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista, Av 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 66:1507-22. 2008

Collaborators

  • P G Q Amaral
  • T P P Sabaris
  • T M B Galembeck
  • A C Artur

Detail Information

Publications9

  1. ncbi request reprint A laboratory study of the transfer of 234U and 238U during water-rock interactions in the Carnmenellis granite (Cornwall, England) and implications for the interpretation of field data
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 54:977-94. 2001
    ..It is suggested that the 234U/238U lab data can be used to interpret activity ratios from Cornwall, even when the observed inverse relationship between dissolved U and 234U/235U in leachates/etchates is taken into account...
  2. ncbi request reprint Doses from 222Rn, 226Ra, and 228Ra in groundwater from Guarani aquifer, South America
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Instituto de Geociencias e Ciencias Exatas, Universidade Estadual Paulista UNESP, Av 24 A, no 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    J Environ Radioact 76:319-35. 2004
    ..Such calculation adds useful information for the appropriate management of this transboundary aquifer that is socially and economically very important to about 15 million inhabitants living in Brazil, Argentina, Uruguay and Paraguay...
  3. ncbi request reprint A combined method for evaluating radon and progeny in waters and its use at Guarani aquifer, São Paulo State, Brazil
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, IGCE Instituto de Geociencias e Ciencias Exatas, Av 24 A, no 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    J Environ Radioact 86:337-53. 2006
    ..This is because they are directly identified in the water samples, without the need of requiring the assumption of the establishment of the transient equilibrium condition with its parent 222Rn...
  4. ncbi request reprint Determination of weathering rate of the Morro do Ferro Th-REEs deposit, Brazil using U-isotope method
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Campus de Rio Claro, Avnue 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 65:474-81. 2007
    ..The value generated is reliable and increases the potential use of the method for other different areas in Brazil and elsewhere, because it may be used in regions with different climatic conditions and (un)polluted basins...
  5. ncbi request reprint U-ages in soils and groundwater evidencing wet periods 400-600kyr ago in southeast Brazil
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Av 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 65:776-83. 2007
    ..The approaches indicated successful use of the U-modeled ages for suggesting wet periods exceeding the past 116-210kyr from previous studies...
  6. ncbi request reprint The transfer of uranium isotopes 234U and 238U to the waters interacting with carbonates from Mendip Hills area (England)
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 52:965-83. 2000
    ..The obtained values do not indicate a reduction in the amount of dissolved U and an increase in the AR of the remaining dissolved U as commonly observed for groundwater systems close to redox boundaries...
  7. doi request reprint Uranium distribution and radon exhalation from Brazilian dimension stones
    P G Q Amaral
    Departamento de Petrologia e Metalogenia, Instituto de Geociencias e Ciencias Exatas, Universidade Estadual Paulista UNESP, Av 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 70:808-17. 2012
    ..Simulations performed to estimate the radon levels inside residences or any given indoor environment showed that nine samples attained values below the 4 pCi/L EPA limit, whereas one was above that limit...
  8. doi request reprint Sedimentation rates in Atibaia River basin, São Paulo State, Brazil, using 210Pb as geochronometer
    T P P Sabaris
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista UNESP, Av 24 A, no 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 69:275-88. 2011
    ....
  9. doi request reprint The natural radioactivity in Guarani aquifer groundwater, Brazil
    D M Bonotto
    Departamento de Petrologia e Metalogenia, Universidade Estadual Paulista, Av 24 A No 1515, C P 178, CEP 13506 900, Rio Claro, Sao Paulo, Brazil
    Appl Radiat Isot 66:1507-22. 2008
    ..The implications of the data obtained in terms of standards established for defining the drinking water quality have also been discussed...