HR: 17:45h
AN: A54A-08    [Abstracts]
TI: Insights into Tropospheric Ozone from the INTEX Ozonesonde Network Study (IONS)
AU: * Thompson, A M
EM: thompson@gator1.gsfc.nasa.gov
AF: NASA/Goddard Space Flight Center, Code 916, Greenbelt, MD 20771
AU: Witte, J C
EM: witte@gavial.gsfc.nasa.gov
AF: SSAI c/o NASA/GSFC, Code 916, Greenbelt, MD 20771
AU: Kucsera, T L
EM: tlk@croc.gsfc.nasa.gov
AF: SSAI c/o NASA/GSFC, Code 916, Greenbelt, MD 20771
AU: Pickering, K E
EM: pickerin@atmos.umd.edu
AF: Univ of Maryland, Dept of Meteorology, College Park, MD 20742
AU: Joseph, E
EM: ejoseph@howard.edu
AF: Howard Univ, Physics Dept, Washington, DC 20059
AU: Merrill, J T
EM: jmerrill@gso.uri.edu
AF: Univ Rhode Island, Graduate School Oceanography, Narragansett, RI 02882
AU: Morris, G J
EM: gmorris@rice.edu
AF: Valparaiso Univ, Dept of Geography & Meteorology, Valparaiso, IN 46383
AU: Newchurch, M J
EM: mike@nsstc.uah.edu
AF: Univ Alabama - Huntsville, Earth Science Bldg, Explorer Way, Huntsville, AL 35899
AU: Oltmans, S J
EM: samuel.j.oltmans@noaa.gov
AF: NOAA/CMDL, 325 Broadway, Boulder, CO 80305
AU: Schmidlin, F J
EM: fjs@osb1.wff.nasa.gov
AF: NASA/Wallops Flight Facility, Code 972, Wallops Island, VA 23337
AU: Tarasick, D J
EM: david.tarasick@ec.go.ca
AF: Environment Canada, 4905 Dufferin Street, Downsview, ONT M3H 5T4 Canada
AB: Ozone profile data from soundings integrate models, aircraft and other ground-based measurements for better interpretation of atmospheric chemistry and dynamics. A well- designed network of ozonesonde stations, with consistent sampling, can answer questions not possible with short campaigns or current satellite technology. The SHADOZ (Southern Hemisphere Additional Ozonesondes) project, $<$http://croc.gsfc.nasa.gov/shadoz$>$, for example, has led to these findings about tropical ozone: definition of the zonal tropospheric wave-one pattern in equatorial ozone, characterization of the "Atlantic ozone paradox" and establishment of a link between tropical Atlantic and Indian Ocean pollution. Building on the SHADOZ concept, a short-term ozone network was formed in July-August 2004 to coordinate ozonesonde launches during the ICARTT/INTEX/NEAQS (International Consortium on Atmospheric Research on Transport and Transformation)/Intercontinental Transport Experiment/New England Air Quality Study. In IONS (INTEX Ozonesonde Network Study $<$http://croc.gsfc.nasa.gov/intex/ions.html$>$), more than 250 soundings, with daily frequency at half the sites, were launched from eleven North American stations and an oceanographic ship in the Gulf of Maine. Although the goal was to examine pollution influences under stable high-pressure systems and transport associated with "warm conveyor belt" flows, the INTEX study region was dominated by a series of weak frontal systems that mixed aged pollution with stratospheric ozone in the middle troposphere. Deconvoluting ozone sources provides new insights into ozone in the transition between mid-latitude and polar air.
UR: http://croc.gsfc.nasa.gov/intex/ions.html
DE: 3362 Stratosphere/troposphere interactions
DE: 1694 Instruments and techniques
DE: 1640 Remote sensing
DE: 0365 Troposphere--composition and chemistry
SC: Atmospheric Sciences [A]
MN: 2004 AGU Fall Meeting