Atmospheric Measurement Techniques www.atmos-meas-tech.net 1867-1381 1867-8548 3 2 2010 10.5194/amt-3-441-2010 http://www.atmos-meas-tech.net/3/441/2010/ http://www.atmos-meas-tech.net/3/441/2010/amt-3-441-2010.html http://www.atmos-meas-tech.net/3/441/2010/amt-3-441-2010.pdf 441 455 2010-04-12 Determination of oceanic ozone deposition by ship-borne eddy covariance flux measurements L. Bariteau D. Helmig detlev.helmig@colorado.edu C. W. Fairall J. E. Hare J. Hueber E. K. Lang Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, Colorado, USA Institute of Alpine and Arctic Research (INSTAAR), University of Colorado, Boulder, Colorado, USA National Oceanic and Atmospheric Administration (NOAA), Earth System Research Laboratory (ESRL), Boulder, Colorado, USA A fast response ozone analyzer based on the ozone-nitric oxide chemiluminescence method was integrated into the NOAA-ESRL flux system to achieve the first ship-borne, direct ozone flux measurements over the open ocean. Air was collected from an inlet at 18 m height over the ocean surface mounted to the bow-jackstaff and via a 30 m-long sampling line to the ozone instrument on the ship deck. A "puff" system was used for accurate and regular determination of the sample transport time (lag) between the inlet and the chemical analyzer. A Nafion-membrane dryer facilitated removal of fast water vapor fluctuations, which eliminated the need for quenching and density correction of the ozone signal. The sampling-analyzer system was found to have a ~0.25–0.40 s response time at a sensitivity of ~2800 counts s−1 per ppbv of ozone. Quality control and data filtering procedures for eliminating data that did not meet measurement requirements were critically evaluated. The new ozone flux system was deployed aboard the NOAA Ship Ronald H. Brown, and evaluated using results obtained during several research cruises off the coasts of the North and South America continents, yielding ozone deposition velocities (mean ± standard error) ranging from 0.009±0.001 cm s−1 to 0.24±0.020 cm s−1. Blomquist, B. W., Fairall, C. W., Huebert, B. J., Kieber, D. J., and Westby, G. R.: DMS sea-air transfer velocity: Direct measurements by eddy covariance and parameterization based on the NOAA/COARE gas transfer model, Geophys. Res. Lett., 33, L07601, 10.1029/2006GL025735 , 2006. Blomquist, B. W., Huebert, B. J., Fairall, C. W., and Faloona, I. C.: Determining the sea-air flux of dimethylsulfide by eddy correlation using mass spectrometry, Atmos. Meas. Tech., 3, 1–20, 2010. Businger, J. A. and Delany, A. C.: Chemical sensor resolution required for measuring surface fluxes by 3 common micrometeorological techniques, J. Atmos. Chem., 10, 399–410, 1990. Delany, A. C.: Fast-response chemical sensors used for eddy-correlation flux measurements, Adv. Chem. Ser., 232, 91–100, 1993. Edson, J. B., Hinton, A. A., Prada, K. E., Hare, J. E., and Fairall, C. W.: Direct covariance flux estimates from mobile platforms at sea, J. Atmos. Oceanic Technol., 15, 547–562, 1998. Fairall, C. W., White, A. B., Edson, J. B., and Hare, J. E.: Integrated shipboard measurements of the marine boundary layer, J. Atmos. Oceanic Technol., 14, 338–359, 1997. Fairall, C. W., Hare, J. E., Edson, J. B., and McGillis, W.: Parameterization and micrometeorological measurement of air-sea gas transfer, Bound.-Layer. Meteor., 96, 63–105, 2000. Fairall, C. W., Bradley, E. F., Hare, J. E., Grachev, A. A., and Edson, J. B.: Bulk parameterization of air-sea fluxes: Updates and verification for the COARE algorithm, J. Climate, 16, 571–591, 2003. Gallagher, M. W., Beswick, K. M., and Coe, H.: Ozone deposition to coastal waters, Quart. J. Roy. Meteor. Soc., 127, 539–558, 2001. Ganzeveld, L. and Lelieveld, J.: Dry deposition parameterization in a chemistry general-circulation model and its influence on the distribution of reactive trace gases, J. Geophys. Res., 100, 20999–21012, 1995. Ganzeveld, L., Helmig, D., Fairall, C. W., Hare, J., and Pozzer, A.: Atmosphere-ocean ozone exchange – A global modeling study of biogeochemical, atmospheric and water-side turbulence dependencies, Global Biogeochem. Cy., 23, GB4021, doi:10.1029/2008GB003301, 2009. Grachev, A. A., Bariteau, L., Fairall, C. W., Hare J. E., Helmig, D., Hueber, J., and Lang, E. K.: Turbulent fluxes and transfer of trace gases from ship-based eddy correlation measurements during TexAQS 2006, J. Geophys. Res., in preparation, 2010. Horst, T. W.: A simple formula for attenuation of eddy fluxes measured with first-order-response scalar sensors, Bound.-Layer. Meteor., 82, 219–233, 1997. Huebert, B. J., Blomquist, B. W., Hare, J. E., Fairall, C. W., Johnson, J. E., and Bates, T. S.: Measurement of the sea-air DMS flux and transfer velocity using eddy correlation, Geophys. Res. Lett., 31, L23113, doi:10.1029/2004GL021567, 2004. Kaimal, J. C., Izumi, Y., Wyngaard, J. C., and Cote, R.: Spectral characteristics of surface-layer turbulence, Quart. J. Roy. Meteor. Soc., 98, 563–589, 1972. Kawa, S. R. and Pearson, R.: Ozone budgets from the dynamics and chemistry of marine stratocumulus experiment, J. Geophys. Res., 94, 9809–9817, 1989. Lang, E. K., Bariteau, L., Fairall, C. W., Hare, J. E., Helmig, D., and Hueber, J.: Atmosphere-ocean ozone fluxes during the TexAQS 2006, STRATUS 2006, GOMECC 2007, GasEX 2008, and AMMA 2008 cruises, J. Geophys. Res., in preparation, 2010. Lenschow, D. H., Pearson, R., and Stankov, B. B.: Estimating the ozone budget in the boundary-layer by use of aircraft measurements of ozone eddy flux and mean concentration, J. Geophys. Res., 86, 7291–7297, 1981. Lenschow, D. H., Pearson Jr., R., and Stankov, B. B.: Measurements of ozone vertical flux to ocean and forest, J. Geophys. Res., 87, 8833–8837, 1982. Lenschow, D. H. and Kristensen, L.: Uncorrelated noise in turbulence measurements, J. Atmos. Oceanic Technol., 2, 68–81, 1985. Massman, W. J. and Clement, R.: Uncertainty in eddy covariance flux estimates resulting from spectral attenuation, in: Handbook of Micrometeorology, A Guide for Surface Flux Measurement and Analysis, edited by: Lee, X., Massman, W. J., and Law, B. E., Kluwer, 67–99, 2004. Matthews, R. D., Sawyer, R. F., and Schefer, R. W.: Interferences in chemiluminescent measurement of NO and NO2 emissions from combustion systems, Environ. Sci. Technol., 11, 1092–1096, 1977. McGillis W. R., Edson, J. B., Hare, J. E., and Fairall, C. W.: Direct covariance air-sea CO2 fluxes, J. Geophys. Res., 106, 16729–16745, 2001. McGillis, W. R., Edson, J. B., Zappa, C. J., Warem, J. D., McKenna, S. P., Terray, T. A., Hare, J. E., Fairall, C. W., Drennan, W., Donelan, M., DeGrandpre, M. D., Wanninkhof, R., and Feely, R. A.: Air-sea CO2 exchange in the equatorial Pacific, J. Geophys. Res., 109, C08S02, doi:10.1029/2003JC002256, 2004. Oncley, S. P., Businger, J. A., Friehe, C. A., LaRue, J. C., Itsweire, E. C., and Chang, S. S.: Surface layer profiles, and turbulence measurements over uniform terrain in near-neutral conditions, Ninth Symposium on Boundary Layers and Turbulence, Amer. Meteor. Soc., 237–240, 1990. Peters, G., Fischer, B., and Munster, H.: Eddy covariance measurements with closed-path optical humidity sensors: A feasible concept?, J. Atmos. Oceanic Technol., 18, 503–514, 2001. Ridley, B. A. and Grahek, F. E.: A small, low flow, high-sensitivity reaction vessel for NO chemiluminescence detectors, J. Atmos. Oceanic Technol., 7, 307–311, 1990. Ridley, B. A., Grahek, F. E., and Walega, J. G.: A small, high-sensitivity, medium-response ozone detector suitable for measurements from light aircraft, J. Atmos. Oceanic Technol., 9, 142–148, 1992. Shon, Z. H. and Kim, N.: A modeling study of halogen chemistry's role in marine boundary layer ozone, Atmos. Environ., 36, 4289–4298, 2002. Stedman, D. H., Stuhl, F., Daby, E. E., and Niki, H.: Analysis of ozone and nitric-oxide by a chemiluminescent method in laboratory and atmospheric studies of photochemical smog, J. Air Pollut. Control Assoc., 22, 260–263, 1972. Von Storch, H. and Zwiers, F. W.: Statistical Analysis in Climate Research, Cambridge University Press, Cambridge, UK, 228–230, 1999. Webb, E. K., Pearman, G. I., and Leuning, R.: Correction of flux measurements for density effects due to heat and water-vapor transfer, Quart. J. Roy. Meteor. Soc., 106, 85–100, 1980. Whitehead, J. D., McFiggans, G. B., Gallagher, M. W., and Flynn, M. J.: Direct linkage between tidally driven coastal ozone deposition fluxes, particle emission fluxes and subsequent CCN formation, Geophys. Res. Lett, 36, L04806, doi:10.1029/2008GL035969, 2009.