This site is not up to date. For recent publications, see the links below:
Böhlke, J. K., 2003, Sources, transport, and reaction of nitrate in ground water, in Lindsey, B. D., and others, Residence times and nitrate transport in ground water discharging to streams in the Chesapeake Bay Watershed: U.S. Geological Survey Water Resources Investigations Report 03-4035, p. 25-39.
Böhlke, J. K., and Krantz, D. E., 2003, Isotope geochemistry and chronology of offshore ground water beneath Indian River Bay, Delaware: U.S. Geological Survey Water-Resources Investigations Report 03-4192, 37 p. (on-line report in pdf format)
Böhlke, J.K., Mroczkowski, S.J., and Coplen, T.B., 2003, Oxygen isotopes in nitrate: new reference materials for 18O:17O:16O measurements and observations on nitrate-water equilibration: Rapid Communications in Mass Spectrometry, vol. 17, p. 1835-1846. (on-line abstract)
Coplen, T. B., 2003, Erratum: "Atomic Weights of the Elements 1999" [Journal of Physical and Chemical Reference Data 30, 701 (2001)]: Journal of Physical and Chemical Reference Data, vol. 32, p. 919.
de Laeter, J.R., Böhlke, J.K., Bievre, P. de, Hidaka, H., Peiser, H.S., Rosman, K.J.R., and Taylor, P.D.P., 2003, Atomic weights of the elements: Review 2000 (IUPAC Technical Report): Pure and Applied Chemistry, vol. 75, no. 6, p. 683-800. (on-line abstract)
de Laeter, J.R., and Peiser, H.S., 2003, A Century of Progress in the Sciences due to Atomic Weight and Isotopic Composition Measurements, Analytical and Bioanalytical Chemistry, vol. 375, p. 62-72. (on-line abstract)
Griggs, E.M., Kump, L.R., Böhlke, J.K., 2003, The fate of wastewater-derived nitrate in the subsurface of the Florida Keys: Key Colony Beach, Florida: Estuarine, Coastal and Shelf Science, vol. 58, no. 3, p. 517-539. (on-line abstract)
Lindsey, B.D., Phillips, S.W., Donnelly, C.A., Speiran, G.K., Plummer, L.N., Böhlke, J.K., Focazio, M.J.,. Burton, W.C., and Busenberg, E., 2003, Residence Times and Nitrate Transport in Ground Water Discharging to Streams in the Chesapeake Bay Watershed: U. S. Geological Survey Water-Resources Investigations Report 03-4035, 201 p. (on-line report in pdf format)
Plummer, L. N., Böhlke, J. K., and Busenberg, E., 2003, Approaches for ground-water dating, in Lindsey, B. D., and others, Residence times and nitrate transport in ground water discharging to streams of the Chesapeake Bay Watershed, U.S. Geological Survey Water-Resources Investigations Report 03-4035, p. 12-24.
Qi, H.P., and Coplen, Tyler B., 2003, Evaluation of the 34S/32S ratio of Soufre de Lacq elemental sulfur isotopic reference material by continuous flow isotope-ratio mass spectrometry: Chemical Geology, v. 199, p. 183-187. (on-line abstract)
Qi, H., Coplen, T.B., Geilmann, H., Brand, W.A., and Böhlke, J.K., 2003, Two new organic reference materials for δ13C and δ15N measurements and a new value for the δ13C of NBS 22 oil: Rapid Communications in Mass Spectrometry, vol. 17, no. 22, p. 2483-2487. (on-line abstract)