Education:
M.S. Soil Science, 1978, University of California, Davis
B.S. Soil Science, 1975, University of California, Davis
Academic Background:
Spectroscopist, Dept. Plant and Soil Biology, University of California, Berkeley, 1982-present
Staff Research Associate I, II; University of California, Berkeley, 1979-82
Research Associate and Staff Associate I; University of California, Davis, 1977-79
Laboratory Assistant I, III; University of California, Davis, 1974-77
Research Interests:
Automation and simplification of laboratory analysis with emphasis on computer controlled equipment, gas analysis and isotope measurement.
Specific areas of expertise include trace gas analysis, automated isotope ratio measurement, ICP analysis and FTIR.
Specialized Techniques:
Development of methods for 15N analysis, including diffusion techniques for NH4 and NO3 in dilute solutions, atom % 15N in N2O at atmospheric
concentrations, and automation of gas analysis for multiple samples. Skilled in automated analysis of CO2, N2O and CH4 from soil covers for flux
measurements, rapid plant analysis by ICP and measurement of soil microbial biomass.
Affiliations:
American Chemical Society
Publications:
Brooks, P.D., H. Geilmann, R.A. Werner and W. A. Brand. 2003. Letter to the Editor:Improved precision of coupled delta 13C and Delta 15N measurements from single samples using an elemental analyzer/isotope ratio mass spectrometer combination with a post-column six port valve and selective CO2 trapping: improved halide robustness of the combustion reactor using CeO2. Rapid. Commun. Mass. Spectrom. 17:1924-1926.
Tu, Kevin P., Paul D. Brooks and Todd E. Dawson. 2001. Using septum-capped vials with continuous-flow isotope ratio mass spectrometric analysis of atmospheric CO2 for Keeling plot applications. Rapid Commun. Mass Spectrom. 15:952-956.
Apostol, I., P.D. Brooks and Antony J. Mathews. 2001. Application of high-precision isotope ratio monitoring mass spectrometry to identify the biosynthetic origins of proteins. Protein Sci. 10:1466-1469.
Khan, SA. Mulvaney, RL. and Brooks, PD (1998). Diffusion methods for automated nitrogen-15 analysis using acidified disks. Soil Science of America Journal, 62, 406-412.
Davidson, E. A., P. A. Matson, P. D. Brooks. 1996. Nitrous oxide emission controls and inorganic nitrogen dynamics in fertilized tropical agricultural soils. Soil Science Society of America Journal. 60(4):1145-1152.
Herman, D.J., P.D. Brooks, M. Ashraf, F. Azam, and R.L. Mulvaney. 1995. Evaluation of methods for nitrogen-15 analysis of inorganic nitrogen in soil extracts. II. Diffusion methods. Commun. Soil Sci. Plant anal. 26(11&12) 1675-1685.
Mulvaney, R. L., M. Ashraf, F. Azam, P. D. Brooks, D. J. Herman. 1994. Evaluation of methods for nitrogen-15 analysis of inorganic nitrogen in soil extracts: Steam-distillation methods. Communications in Soil Science & Plant Analysis. 25(11-12):2187-2200.
Wyland, L. J., L. E. Jackson, P. D. Brooks. 1994. Eliminating nitrate interference during Kjeldahl digestion of soil extractions for microbial biomass determination. Soil Science Society of America Journal. 58(2):357-360.
Brooks, Paul D., D.J. Herman, G.J. Atkins, S.J. Prosser, and A. Barrie. 1993. Rapid, Isotopic analysis of selected soil gases at atmospheric concentrations. p.193-202. In L.A. Harper, A.R. Mosier, J.M. Duxbury, D.E. Rolston (ed.). Agricultural ecosystem effects on trace gases and global climate change. ASA special publication number 55, American Society of Agronomy, Madison Wis. USA.
Turner, M.D., and P.D. Brooks. 1992. Evaluation of the use of H2SO4-H2O2 digestions for the elemental analysis of plant tissue by ICP spectrometry. Commun. Soil Sci. and PlantAnal., 23(5&6):559-568.
Atkins, G.J., A. Barrie, S.J. Prosser, P.D. Brooks, and D.J. Herman. 1992. Rapid isotopic methods to study the fluxes of radiatively active trace gases. In Applications of isotopes and radiation in conservation of the environment. Proceedings of an international symposium on applications of isotopes and radiation in conservation of the environment organized by the international atomic energy agency and held in Karlsruhe. 9-13 March. International atomic energy agency, Vienna.
Brooks, P.D., and G.J. Atkins. 1992. Rapid analysis of trace gases at atmospheric levels. Isotopenpraxis V28 N1:106-109.
Brooks, P. D., 1991. Simplified, inexpensive, and easily constructed hydride generator for ICP analysis. Atomic Spectroscopy , 12(1):1-3.
Brooks PD, Stark JM, McInteer, and Preston T (1989). Diffusion Methods to prepare soil extracts for automated nitrogen-15 analysis. Soil Science of America Journal, 53, 1707-1711.
Angelakis, A. N., T. N Kadir, D. E. ROLSTON, P. D BROOKS. 1989. An analytical solution for diffusion of soil gas produced from a moving solute. Soil Science 147(4):270-277.
Hendricks, C. W., E. A. PAUL, P. D. BROOKS. 1987. Growth measurements of terrestrial microbial species by a continuous-flow technique. Plant & Soil. 101(2):189-196.
Brooks, P. D., E. A. Paul. 1987. A new automated techniques for measuring respiration in soil samples. Plant & Soil. 101(2):183-188.
Mackown, C. T., P. D. Brooks, M. S. Smith. 1987. Diffusion of nitrogen-15 Kjeldahl digests for isotope analysis. Soil Science Society of America Journal. 51(1):87-90.
Firestone, M.K., J.G. McColl, K.S. Killham, and P.D. Brooks. 1984. Microbial response to acid depositions and effects on plant productivity. In R.A. Linthurst (ed.), Direct and indirect effects of acidic deposition on vegetation. Butterworth Publications, Stoneham, MA.
Publications Contributed to Meetings:
Brooks, P.D., D.J. Herman, I. Anderson, G.J. Atkins, G. Stutte, and S. Prosser. 1993. N-15 Analysis of dinitrogen and nitrous oxide: calculations for randomly distributed masses, removal of trace contaminants, and experimental results. Am. Soc. Agron. Ann. Mtg. Abstr.
Herman, D.J., G.J. Atkins, L.J. Halverson, P.D. Brooks, and M.K. Firestone. 1993. Factors related to N-gas production in a temperate annual grassland. Am. Soc. Agron. Ann. Mtg. Abstr.
Atkins, G.J., S. Debney, D.J. Herman, and P.D. Brooks. 1993. Infared photoaccoustic spectroscopy as a universal detection system for trace gas analysis. Am. Soc. Agron. Ann. Mtg. Abstr.
Brooks, P.D., D.J. Herman, G.J. Atkins. 1992. Isotope Analysis of Soil Gases: Field Applications. Am. Soc. Agron. Ann. Mtg. Abstr. p. 251.
Herman, D.J., P.D. Brooks, M. Ashraf, F. Azam, and R.L. Mulvaney. 1992. Evaluation of methods for nitrogen-15 analysis of inorganic N in soil extracts: II. Diffusion Methods. Am. Soc. Agron. Ann. Mtg. Abstr. p. 259.
Mulvaney, R.L., M. Ashraf, F. Azam, P.D. Brooks and D.J. Herman. 1992. Evaluation of methods for nitrogen-15 analysis of inorganic N in soil extracts: I. Steam-Distillation methods. Am. Soc. Agron. Ann. Mtg. Abstr. p. 263.
Brooks, P. D., G.J. Atkins, S.J. Prosser, and D.J. Herman. 1991. Simultaneous 15N Measurement of N2O and N2 evolved from soil at atmospheric concentrations using 15N tracers.
Atkins, G.J., S.J. Prosser, A. Barrie, P.D. Brooks. 1991. Rapid, Automated Isotopic analysis of selected soil gases at atmospheric levels. Am. Soc. Agron. Ann. Mtg. Abstr. p.257.
Brooks, P.D., S. Prosser, and A. Barrie. 1990. Automated analysis of 15N and 13C in soil gases. Am. Soc. Agron. Ann. Mtg. Abstr. p. 245.
Brooks, P.D. 1989. A simplified, cheap and easily constructed hydride generator for ICP analysis. Am. Soc. Agron. Ann. Mtg. Abstr. p. 32.
Horwath, W.R., P.D. Brooks, K.A. Horton, and E.A. Paul. 1987. Nitrogen turnover in a Mediterranean grassland ecosystem. Am. Soc. Agron. Ann. Mtg. Abstr. p. 185.
Brooks, P.D., B.B. McInteer, T. Preston, and M.K. Firestone. 1987. A diffusion method to prepare soil KCl extracts and Kjeldahl digests for 15N analysis. Am. Soc. Agron. Ann. Mtg. Abstr. p. 179.
Brooks, P.D. and E.A. Paul. 1986. The use of an internal standard in microbial biomass determinations by the fumigation technique. Am. Soc. Agron. Ann. Mtg. Abstr. p. 176.
Brooks, P.D., M.S. Smith, and C.T. Mackown. 1985. A new diffusion method to prepare 15N samples for mass spectrometer analysis. Am. Soc. Agron. Ann. Mtg. Abstr. p. 166.
Brooks, P.D. and E.A. Paul. 1984. An automated chloroform method for measuring soil microbial biomass using an internal standard. Am. Soc. Agron. Ann. Mtg. Abstr. p. 184.
Firestone, M.K., J.G. McColl, and P.D. Brooks. 1981. Effects of acid rain on soil microbial activity and plant productivity. Am. Soc. Agron. Ann. Mtg. Abstr. p. 161.
Firestone, M.K., J.G. McColl, and P.D. Brooks. 1980. Effects of acid precipitation on soil nitrogen transformation in the rhizosphere. Am. Soc. Agron. Ann. Mtg. Abstr.
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