Colleagues at CSIRO Atmospheric Research and the CRC for Southern Hemisphere Meteorology have contributed greatly to the results and perspectives aired here. Paul Steele provided valuable comments on this manuscript. We thank the IAEA and WMO


Global Quality Control for Long-Lived Trace Gas Measurements











"GH Tanks" (via"DECANTERS";

HUBLaboratory CAL.HUB

primary scales, GLOBALVIEW

PREP. HUB provide air standards

FIGURE 5 Proposed international comparision strategy for laboratories measuring long-lived atmospheric trace gases in air. Identification of laboratories is nominal only for support in developing the GLOBALIIUBS strategy, the WMO

for permission to include round-robin results in press, and CMDL

and INSTAAR for the use of ICP results.


Allison, C. E., Erancey, R. J., and Steele, L. 1'. in press. The International Atomic Energy Agency Circulation of Laboratory Air Standards for Stable Isotope Comparisons: Aims, preparation and preliminary results. IAEA TECDOC.

Denning, A. S., et al. (1999). Three-dimensional transport and concentration of atmospheric CO,: A model intercomparison study (TRANSCOM 2). Tellus, 51B, 266-297.

Denning, A. S., Holzer, M„ Gruney, K. R., Heimann, M., Law, R. M„ Rayner, R J., Fung, I. Y., Fan, S., Taguchi, S., Friedlingstein, R, Balkanski, Y, Taylor, L A., iMaiss, M., and Levin, I. (1999). Three-dimensional transort and concentration of SF6: a model intercomparison study (TransCom 2). Tellus 51B, 226-297

Enting, I. G., Trudinger, C. M., and Francey, R. J. (1995). A synthesis inversion of the concentration and <5"C of atmospheric CO.,. Li'Uu$ 47B, 35-52.

Francey, R. J., Steele, L. P., Langenfelds, R. L„ Lucarelli, M. P., Allison, C. E„ Beardsmore, D. L, Coram, S. A., Derek, N., de Silva, F., Etheridge, D. M„ Fraser, P. J., Henry, R. J., Turner, B„ and Welch, E. D. (1996). Global Atmospheric Sampling Laboratory (GASLAB): supporting and extending the Cape Grim trace gas programs. In "Baseline Atmospheric Program (Australia) 1993(R. J. Francey, A. L. Dick, and N. Derek, Eds.), pp. 8-29. Bureau of Meteorology and CSIRO Division of Atmospheric Research, Melbourne.

Francey R. J., Tans, P. P., Allison, C. E„ Enting, I. G„ White, J. W. C. and Trolier, M. (1995). Changes in the oceanic and terrestrial carbon uptake since 1982. Nature 373, 326-330.

Heimann, M. and Maier-Reimer, E. (1996). On the relations between the oceanic uptake of CO, and its carbon isotopes. Global Biogeochem. Cycles 10, 89-110.

Keeling, C. D., Whorf, T. P., Wahlen, M„ and van der Plicht, J. (1995). In-terannual extremes in the rate of rise of atmospheric carbon dioxide since 1980. Nature 375, 666-670.

Langenfelds, R. L„ Francey, R. J„ Steele, L. P., Battle, M„ Keeling, R. F. and Budd, W. (1999b). Partitioning of the global fossil CO, sink using a 19-year trend in atmospheric 02. Geophys. Res. Lett. 26, 1897- 1900.

Langenfelds, R. L., Francey, R. J., Steele, L. P., Keeling, R. F., Bender, M. L„ Battle, M. and Budd, W. F. (1999a). Measurements of 0,/N, ratio from the Cape Grim Air Archive and three independent flask sampling programs. In "Baseline Atmospheric Program (Australia), 1996." (J. L. Gras, N. Derek, N. W. Tindale, and A. L. Dick, (Eds.), p. 57-70. Bureau of Meteorology and CSIRO Division of Atmospheric Research, Melbourne.

Law, R. M„ Rayner, P. J., Denning, A. S., Erickson, D„ Fung, I. Y„ Heimann, M., Piper, S. C., Ramonet, M., Taguchi, S., Taylor, J. A., Trudinger, C. M., and Watterson, I. G. (1996). Variations in modelled atmospheric transport of carbon dioxide and consequences for C02 inversion. Global Biogeochem. Cycles 10, 483-496.

Lloyd, J. (1999). Current perspectives on the terrestrial carbon cycle. Tcllus, 5m, 336-342.

Masarie, K. A. and Tans, P. P. (1995). Extension and integration of atmospheric carbon dioxide data into a globally consistent measurement record./. Geophys. Res. 100, 11,593-11,610.

Pearman, G. I., in World Meteorological Organization Global Atmosphere Watch, Report of the Seventh WMO Meeting of Experts on Carbon Dioxide Concentration and Isotopic Measurement Techniques, WMO TD 669, No. 88, Rome, Italy, 1993, edited by G. I. Pearman, PP 104-104.

Peterson, J., Tans, P., and Kitzis, D. (1999). CO, Round-Robin Reference Gas Intercomparison. In World Meteorological Organization Global Atmosphere Watch, Report of the Ninth WMO Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, WMO TD-No. 952. No. 132, Aspendale, Vic. Australia, 1 -4 September 1997, edited by R. Francey, pp. 30-33.

Orr, J. C. (1999). Keynote perspective: On ocean carbon-cycle model comparison. Tellus, 51B, 509-510.

Rayner, P. J., Enting, I. G., Francey, R. J., and Langenfelds, R. L. (1999). Reconstructing the recent carbon cycle from trace gas observations. Tellus, 51B, 213-232.

Sarmiento, J. L„ Hughes, T. M. C„ Stouffer, R. J., and Manabe, S. (1998). Simulated response of the ocean carbon cycle to anthropogenic climate warming. Nature, 393, 245-249.

Schimel, D. S. (1995). Terrestrial ecosystems and the carbon cycle. Global Change Biol., 1, 77-91.

Takahashi, T„ Feely, R. A., Weiss, R„ Wanninkhof, R. H„ Chipman, D. W„ Sutherland, S. C., and Takahashi, T. T. (1997). Global air-sea flux of C02: An estimate based on measurements of sea-air pCO, difference. Proc. Natl. Acad. Sci. 94, 8292-8299.

Trenberth, K. (1992). Global Analyses from ECMWF and Atlas of 1000 to 10 mb Circulation Statistics, CGD, NCAR Report TN-373 + STR 205 p., June 1992. For a copy please contact Kevin Trenberth at (303)497-1318. (NTIS # PB92 218718/AS).

WMO, Environmental Pollution Monitoring and Research Programme. (1987). Report of the NBS/WMO Expert meeting on Atmospheric Carbon Dioxide Measurement Techniques, Gaithersburg, MD, USA, June 1987, WMO TD-No. 51, Geneva.

Was this article helpful?

0 0

Post a comment