Modification of the relaxed eddy accumulation technique to maximize measured scalar mixing ratio differences in updrafts and downdrafts

Journal of Geophysical Research Atmospheres

Volumn 104, Issue D8, 1999, Pages 9121-9133

  Bowling, D R ^a   Delany, A C ^b   Turnipseed, A A ^a   Baldocchi, D D ^c   Monson, R K ^a  

^a UNIVERSITY OF COLORADO   (United States)

^b NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

^c NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC CHEMISTRY; CARBON DIOXIDE; ISOTOPIC COMPOSITION; MEASUREMENT METHOD; MIXING RATIO; UPDRAFT; WATER VAPOR;

EID: 0033608916     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999JD900013     Document Type: Article

References (59)

1. Amiro, B. D., Comparison of turbulence statistics within three boreal forest canopies, Boundary Layer Meteorol., 51, 99-121, 1990.
2. 2, Geoderma, 82, 83-114, 1998.
3. Antonia, R. A., Conditional sampling in turbulence measurements, Annu. Rev. Fluid Mech., 13, 131-156, 1981.
4. 2, Boundary Layer Meteorol., 59, 243-256, 1992.
5. Baker, J. M., J. M. Norman, and W. L. Bland, Field-scale application of flux measurement by conditional sampling, Agric. For. Meteorol., 62, 31-52, 1992.
6. Baldocchi, D. D., and P. C. Harley, Scaling carbon dioxide and water vapour exchange from leaf to canopy in a deciduous forest, II, Model testing and application, Plant Cell Environ., 18, 1157-1173, 1995.
7. Baldocchi, D. D., and T. P. Meyers, Turbulence structure in a deciduous forest, Boundary Layer Meteorol., 43, 345-364, 1988.
8. 2 efflux, J. Geophys. Res., 96, 7271-7285, 1991.
9. Baldocchi, D. D., J. D. Fuentes, D. R. Bowling, A. A. Turnipseed, and R. K. Monson, Scaling isoprene fluxes from leaves to canopies: Test cases over a boreal aspen and a mixed-species temperate forest, J. Appl. Meteorol., in press, 1999.
10. Bergstrom, H., and U. Hogstrom, Turbulent exchange above a pine forest, II, Organized structures, Boundary Layer Meteorol., 49, 231-263, 1989.
11. Bowling, D. R., A. A. Turnipseed, A. C. Delany, D. D. Baldocchi, J. P. Greenberg, and R. K. Monson, The use of relaxed eddy accumulation to measure biosphere-atmosphere exchange of isoprene and other biological trace gases, Oecologia, 116, 306-315, 1998.
12. 2 concentrations, isotopic composition, and carbon dynamics in an Amazonian rainforest (French Guiana), Oecologia, 110, 120-131, 1997.
13. Businger, J. A., and S. P. Oncley, Flux measurement with conditional sampling, J. Atmos. Oceanic Technol., 7, 349-352, 1990.
14. Cellier, P., and Y. Brunet, Flux-gradient relationships above tall plant canopies, Agric. For. Meteorol., 58, 93-117, 1992.
15. 2, 1, Surface fluxes, J. Geophys. Res., 102, 5857-5872, 1997a.
16. 2, 2, Simulations with the TM2 transport model, J. Geophys. Res., 102, 5873-5883, 1997b.
17. Coppin, P. A., M. R. Raupach, and B. J. Legg, Experiments on scalar dispersion within a model plant canopy, II, An elevated plane source, Boundary Layer Meteorol., 35, 167-191, 1986.
18. Duncan, M. R., and P. H. Schuepp, A method to delineate extreme structures within airborne flux traces over the FIFE site, J. Geophys. Res., 97, 18,487-18,498, 1992.
19. Farquhar, G. D., J. R. Ehleringer, and K. T. Hubick, Carbon isotope discrimination and photosynthesis, Annu. Rev. Plant Physiol. Plant Mol. Biol., 40, 503-537, 1989.
20. 2, Nature, 363, 439-443, 1993.
21. 2 in boreal forest ecosystems, Global Biogeochem. Cycles, 10, 629-640, 1996.
22. 2 in boreal forest ecosystems, Global Biogeochem. Cycles, 11, 83-98, 1997.
23. 2, Nature, 327, 495-497, 1987.
24. 16O ratios of tropospheric carbon dioxide over Switzerland, Tellus, Ser. B, 39, 80-88, 1987.
25. Goulden, M. L., J. W. Munger, S.-M. Fan, B. C. Daube, and S. C. Wofsy, Measurements of carbon sequestration by long-term eddy covariance: Methods and a critical evaluation of accuracy, Global Change Biol., 2, 169-182, 1996.
26. Guenther, A. B., and A. J. Hills, Eddy covariance measurement of isoprene fluxes, J. Geophys. Res., 103, 13,145-13,152, 1998.
27. Guenther, A. B., et al., Isoprene fluxes measured by enclosure, relaxed eddy accumulation, surface layer gradient, mixed layer gradient, and mixed layer mass balance techniques, J. Geophys. Res., 101, 18,555-18,567, 1996.
28. 2 in a soil near Bern, Switzerland, Tellus, Ser. B, 43, 197-205, 1991.
29. Johnson, D. W., and R. I. van Hook (Eds.), Analysis of Biogeochemical Cycling Processes in Walker Branch Watershed, 401 pp., Springer-Verlag, New York, 1989.
30. Kaimal, J. C., and J. J. Finnigan, Atmospheric Boundary Layer Flows, Their Structure and Measurement, 289 pp., Oxford Univ. Press, New York, 1994.
31. Katul, G. G., P. L. Finkelstein, J. F. Clarke, and T. G. Ellestad, An investigation of the conditional sampling method used to estimate fluxes of active, reactive, and passive scalars, J. Appl. Meteorol., 35, 1835-1845, 1996.
32. Katul, G., C.-I. Hsieh, G. Kuhn, D. Ellsworth, and D. Nie, Turbulent eddy motion at the forest-atmosphere interface, J. Geophys. Res., 102, 13,409-13,421, 1997a.
33. Katul, G., G. Kuhn, J. Schieldge, and C.-I. Hsieh, The ejection-sweep character of scalar fluxes in the unstable surface layer, Boundary Layer Meteorol., 83, 1-26, 1997b.
34. Keeling, C. D., The concentration and isotopic abundances of atmospheric carbon dioxide in rural areas, Geochim. Cosmochim. Acta, 13, 322-334, 1958.
35. Keeling, C. D., The concentration and isotopic abundances of atmospheric carbon dioxide in rural and marine air, Geochim. Cosmochim. Acta, 24, 277-298, 1961.
36. 2 transport based on observed winds, 1, Analysis of observational data, in Aspects of Climate Variability in the Pacific and Western Americas, Geophys. Monogr. Ser., vol. 55, edited by D. H. Peterson, pp. 165-236, AGU, Washington, D. C., 1989.
37. Lancaster, J., Carbon-13 fractionation in carbon dioxide emitting diurnally from soils and vegetation at ten sites on the North American continent, Ph.D. thesis, Univ. of Calif., San Diego, 1990.
38. 2 at local and regional scales: Theoretical aspects and a comparison between rain forest in Amazonia and a boreal forest in Siberia, Aust. J. Plant Physiol., 23, 371-399, 1996.
39. Maitani, T., and R. H. Shaw, Joint probability analysis of momentum and heat fluxes at a deciduous forest, Boundary Layer Meteorol., 52, 283-300, 1990.
40. McMillen, R. T., An eddy correlation technique with extended applicability to non-simple terrain, Boundary Layer Meteorol., 43, 231-245, 1988.
41. Nagano, Y., and M. Tagawa, Statistical characteristics of wall turbulence with a passive scalar, J. Fluid Mech., 196, 157-185, 1988.
42. Nakagawa, H., and I. Nezu, Prediction of the contributions to the Reynolds stress from bursting events in open-channel flows, J. Fluid Mech., 80, 99-128, 1977.
43. 2 in the troposphere over Russia, J. Geophys. Res., 102, 3843-3859, 1997.
44. Oncley, S. P., A. C. Delany, T. W. Horst, and P. P. Tans, Verification of flux measurement using relaxed eddy accumulation, Atmos. Environ., 27A, 2417-2426, 1993.
45. Pattey, E., R. L. Desjardins, F. Boudreau, and P. Rochette, Impact of density fluctuations on flux measurements of trace gases: Implications for the relaxed eddy accumulation technique, Boundary Layer Meteorol., 59, 195-203, 1992.
46. 2 flux measurements, Boundary Layer Meteorol., 66, 341-355, 1993.
47. Raupach, M. R., J. J. Finnigan, and Y. Brunet, Coherent eddies and turbulence in vegetation canopies: The mixing-layer analogy, Boundary Layer Meteorol., 78, 351-382, 1996.
48. Schimel, D. S., B. Braswell, E. Holland, R. McKeown, D. Ojima, T. Painter, W. Parton, and A. Townsend, Climatic, edaphic, and biotic controls over storage and turnover of carbon in soils, Global Biogeochem. Cycles, 8, 279-293, 1994.
49. Schmid, H. P., Source areas for scalars and scalar fluxes, Boundary Layer Meteorol., 67, 293-318, 1994.
50. Schotanus, P., F. T. M. Nieuwstadt, and H. A. R. De Bruin, Temperature measurement with a sonic anemometer and its application to heat and moisture fluxes, Boundary Layer Meteorol., 26, 81-93, 1983.
51. Shaw, R. H., On diffusive and dispersive fluxes in forest canopies, in The Forest-Atmosphere Interaction, edited by B. A. Hutchinson and B. B. Hicks, pp. 407-419, D. Reidel, Norwell, Mass., 1985.
52. Shaw, R. H., J. Tavangar, and D. P. Ward, Structure of the Reynolds stress in a canopy layer, J. Clim. Appl. Meteorol., 22, 1922-1931, 1983.
53. Shuttleworth, W., et al., Eddy correlation measurements of energy partition for Amazonian forest, Q. J. R. Meteorol. Soc., 110, 1143-1162, 1984.
54. Sokal, R. R., and F. J. Rohlf, Biometry, 887 pp., W. H. Freeman, New York, 1995.
55. Sternberg, L. S. L., S. S. Mulkey, and S. J. Wright, Ecological interpretation of leaf carbon isotope ratios: Influence of respired carbon dioxide, Ecology, 70, 1317-1324, 1989.
56. 2: Measurements from the NOAA Global Air Sampling Network, J. Geophys. Res., 101, 25,897-25,916, 1996.
57. Trumbore, S. E., Comparison of carbon dynamics in tropical and temperate soils using radiocarbon measurements, Global Biogeochem. Cycles, 7, 275-290, 1993.
58. Webb, E. K., G. I. Pearman, and R. Leuning, Correction of flux measurements for density effects due to heat and water vapour transfer, Q. J. R. Meteorol. Soc., 106, 85-100, 1980.
59. 2 and water between terrestrial vegetation and the atmosphere estimated from isotope measurements, Nature, 380, 515-517, 1996.