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Chemistry

D-Index
61
Citations
27216
World Ranking
9094
National Ranking
2566

Research.com Recognitions

  • 1988 - V.M. Goldschmidt Award, Geochemical Society
  • 1977 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Harold C. Helgeson is affiliated with the University of California, Berkeley in the United States. Their academic work spans geochemistry, a field that encompasses the chemical processes and compounds that characterize the Earth and other planets.

Throughout their career, Helgeson has been recognized with notable awards. In 1977, they were named a Fellow of the John Simon Guggenheim Memorial Foundation. Later, in 1988, they received the V.M. Goldschmidt Award from the Geochemical Society.

Helgeson's professional focus can be understood through their alignment with major academic institutions and honors related to geochemical sciences. Their work contributes to broader scientific discussions on Earth's chemical systems, although specific research papers and topics are not listed in the available data.

Best Publications

  • SUPCRT92: a software package for calculating the standard molal thermodynamic properties of minerals, gases, aqueous species, and reactions from 1 to 5000 bar and 0 to 1000 ° C

    James W. Johnson;Eric H. Oelkers;Harold C. Helgeson

  • Thermodynamics of hydrothermal systems at elevated temperatures and pressures

    Harold C. Helgeson

  • Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic species and equation of state predictions to 5 kb and 1000°C

    Everett L. Shock;Harold C. Helgeson

  • Thermodynamic and kinetic constraints on reaction rates among minerals and aqueous solutions; I, Theoretical considerations

    Per Aagaard;Harold C. Helgeson

  • Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures; revised equations of state for the standard partial molal properties of ions and electrolytes

    John C. Tanger;Harold C. Helgeson

  • Theoretical prediction of the thermodynamic behavior of aqueous electrolytes at high pressures and temperatures; I, Summary of the thermodynamic/electrostatic properties of the solvent

    Harold C. Helgeson;David H. Kirkham

  • Calculation of the thermodynamic and geochemical consequences of nonideal mixing in the system H2O-CO2-NaCl on phase relations in geologic systems: Equation of state for H2O-CO2-NaCl fluids at high pressures and temperatures

    Teresa Suter Bowers;Harold C. Helgeson

  • Prediction of the thermodynamic properties of aqueous metal complexes to 1000°C and 5 kb

    D.A. Sverjensky;E.L. Shock;H.C. Helgeson

  • Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Standard partial molal properties of organic species

    Everett L. Shock;Harold C. Helgeson

  • Thermodynamic and kinetic constraints on reaction rates among minerals and aqueous solutions. II. Rate constants, effective surface area, and the hydrolysis of feldspar

    Harold C. Helgeson;William M. Murphy;Per Aagaard

  • Calculation of the thermodynamic properties of aqueous species at high pressures and temperatures. Effective electrostatic radii, dissociation constants and standard partial molal properties to 1000 °C and 5 kbar

    Everett L. Shock;Everett L. Shock;Eric H. Oelkers;Eric H. Oelkers;James W. Johnson;James W. Johnson;Dimitri A. Sverjensky;Dimitri A. Sverjensky

  • Theoretical prediction of the thermodynamic behavior of aqueous electrolytes at high pressures and temperatures:II. Debye-Huckel parameters for activity coefficients and relative partial molal properties

    Harold C. Helgeson;David H. Kirkham

  • Evaluation of irreversible reactions in geochemical processes involving minerals and aqueous solutions - I. Thermodynamic relations

    Harold C. Helgeson

  • Evaluation of irreversible reactions in geochemical processes involving minerals and aqueous solutions—II. Applications

    Harold C. Helgeson;Robert M. Garrels;Fred T. MacKenzie

  • Petroleum, oil field waters, and authigenic mineral assemblages Are they in metastable equilibrium in hydrocarbon reservoirs☆

    Harold C. Helgeson;Annette M. Knox;Christine E. Owens;Everett L. Shock

  • Equilibrium Activity Diagrams: For Coexisting Minerals and Aqueous Solutions at Pressures and Temperatures to 5 kb and 600 °C

    H. C. Helgeson;K. J. Jackson;T. S. Bowers

  • Calculation of mass transfer in geochemical processes involving aqueous solutions

    Harold C Helgeson;Thomas H Brown;Andrew Nigrini;Thomas A Jones

  • Kinetics of mass transfer among silicates and aqueous solutions

    Harold C Helgeson

  • Theoretical prediction of the thermodynamic behavior of aqueous electrolytes at high pressures and temperatures

    Harold C. Helgeson;David H. Kirkham;George C. Flowers

  • Calculation of the thermodynamic and geochemical consequences of nonideal mixing in the system H 2 O-CO 2 -NaCl on phase relations in geologic systems; metamorphic equilibria at high pressures and temperatures

    Teresa Suter Bowers;Harold C. Helgeson

  • Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures; the system Al 2 O 3 -H 2 O-NaCl

    Vitalii A. Pokrovskii;Harold C. Helgeson

Frequent Co-Authors

Eric H. Oelkers
Eric H. Oelkers University of Iceland
Jan P. Amend
Jan P. Amend University of Southern California
Everett L. Shock
Everett L. Shock Arizona State University
Per Aagaard
Per Aagaard University of Southern Denmark
Douglas E. LaRowe
Douglas E. LaRowe University of Southern California
Fred T. Mackenzie
Fred T. Mackenzie University of Hawaii at Manoa
Dimitri A. Sverjensky
Dimitri A. Sverjensky Johns Hopkins University
Robert M. Garrels
Robert M. Garrels University of South Florida St. Petersburg
Dennis K. Bird
Dennis K. Bird Stanford University

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