Paul D. Quay

Paul D. Quay, Ph.D. (Columbia Univ.), Professor.

Application of stable and radioisotope measurements to bio geochemical cycles; carbon and oxygen cycling in lakes, rivers and oceans; atmospheric trace gas cycles; and large-scale ocean circulation rates using anthropogenic tracers. Participant in the Joint Global Ocean Flux Study (JGOFS) , World Ocean Circulation Experiment (WOCE), and Carbon in the Amazon River Experiment (CAMREX).

P.D., R. Sonnerup, T. Westby, J. Stutsman and A. McNichol. (submitted). Anthropogenic changes of the ¹³C/¹²C of dissolved inorganic carbon in the ocean as a tracer of CO₂ uptake. Global Biogeochem. Cycles

Kortzinger, A., P.D. Quay and R.E. Sonnerup. (submitted). The relationship between anthropogenic CO₂ and the ¹³C Suess effect in the North Atlantic Ocean. Global Biogeochem. Cycles

Kortzinger, A., J.I. Hedges and P.D. Quay. 2001. Redfield ratios revisited- removing the biasing effect of anthropogenic CO₂.Limnol. Oceanogr. 46: 964-970.

Gerst, S. and P.D. Quay. 2001. The deuterium component of the global molecular hydrogen cycle, J. Geophys. Res. 106: 5021-5037.

Gerst, S. and P.D. Quay. 2000. The deuterium content of atmospheric molecular hydrogen: method and initial measurements. J. Geophys. Res. 105:21066-21080.

Quay, P.D., S. King, D. White, M. Brockington, B. Plotkin, R. Gammon, S. Gerst and J. Stutsman. 2000. Atmospheric ¹⁴CO: a tracer of OH concentration and mixing rates. J. Geophys. Res. 105: 15147-15166.

Hedges, J.I., E. Mayorga, E. Tsamakis, M.E. McClain, P.D. Quay, J.E. Richey, et al. 2000. Organic matter in Bolivian tributaries of the Amazon River: A comparison to the lower mainstream.Limnol Oceanogr. 45: 1449-1466.

Sonnerup, R.E., P.D. Quay and A.P. McNichol 2000. The Indian Ocean ¹³C Suess effect. Global Biogeo. Cycles 14: 903-916.

Snover, A.K., P.D. Quay and W.M. Hao. 2000. The D/H of methane emitted from biomass burning. Global Biogeo. Cycles 14: 11-24.

Snover, A.K. and P.D. Quay. 2000. Hydrogen and carbon kinetic isotope effects during soil uptake of atmospheric methane. Global Biogeo. Cycles 14: 25-39.

Stuiver, M., P.D. Quay, and T.F. Braziunas. 2000. Isotope and Carbon Cycles Inferences. In: The Carbon Cycle, T.M.L. Wigley and D.S. Schimel, eds., 153-160.

Quay, P.D., J. Stutsman, D. Wilbur, A. Snover, E. Dlugokencky and T. Brown. 1999. The isotopic composition of atmospheric methane. Global Biogeo. Cycles 13: 445-461.

Sonnerup, R.E., P.D. Quay, A.P. McNichol, J.L. Bullister, T.A. Westby and H.L. Anderson. 1999. Reconstructing the oceanic ¹³C Suess effect. Global Biogeo. Cycles 13: 857-872.

Sonnerup, R.E., P.D. Quay and J.L. Bullister. 1999. Thermocline ventilation and oxygen utilization rates in the subtropical north Pacific based on CFC and ¹⁴C distributions during WOCE.Deep-Sea Res. 46: 777-805.

Quay, P. Was a carbon balance measured in the equatorial Pacific during JGOFS? 1997. Deep- Sea Res. 44: 1765-1781.

Zhang, J. and P. Quay. 1997. The total organic carbon export rate based on DIC and DIC¹³ budgets in the equatorial Pacific Ocean. Deep-Sea Res.44: 2163-2190.

Emerson, S., P.D. Quay, D. Karl, C. Winn, L. Tupas and M. Landry. 1997. Experimental determination of the organic carbon flux from open ocean surface waters. Nature 389: 951-954.

Keil, R.G., L.E. Mayer, P.D. Quay, J.E. Richey, and J.I. Hedges. 1997. Loss of organic matter from riverine particles in deltas. Geoch. Cosmo. Acta 61: 1507-1511.

Quay, P.D., D.O. Wilbur, J.E. Richey, A.H. Devol, R. Benner and B.R. Forsberg. 1995. The ¹⁸O/¹⁶O of dissolved oxygen in rivers and lakes in the Amazon basin: a tracer of the ratio respiration to photosynthesis. Limnol. Oceanogr. 40: 718-729.

Zhang, J., P.D. Quay and D.O. Wilbur .1995. Carbon isotope fractionation during gas-water exchange and dissolution of CO₂. Geoch. Cosmo. Acta 59: 107-114.

Emerson, S., P.D. Quay, C. Stump, D. Wilbur and R. Schudlich. 1995. Chemical tracers of productivity and respiration in the subtropical Pacific. J. Geophys. Res. 100: 15,873-15,887.