OA19 Free-radicals in the troposphere (co-sponsored by ST)

Convener: Dorn, H.-P.
Co-Convener(s): Volz-Thomas, A.
Tuesday, 21 April 1998
Lecture Room: CLIO

Chairperson: Monks, P.S.

NO3 radicals

• 11:00 PLATT, U.
  The importance of nitrate radicals for atmospheric chemistry (Solicited Paper)
• 11:30 DUBOIS, R.; FLLENTJE, H.
  Measurements of nitrate radicals and estimation of particle surface area at Cape Arkona (Rügen Island)
• 11:35 ALLAN, B.J.; COE, H.; MCFIGGANS, G.; PLANE, J.M.C.
  Studies of the nitrate radical in the troposphere

RO2 radicals

• 11:40 VOLZ-THOMAS, A.; PRICE SCIENCE TEAM
  On the status of peroxy radical measurements: results from the peroxy radical intercomparison exercises I + II (Solicited Paper)

12:10 Poster Summaries

• MIHELE, C.M.; HASTIE, D.R.
  The effect of humidity on wall loss and chain lengths in radical amplifiers
• EL BOUDALI, A.; MAGUIN, F.; LAVERDET, G.; LE BRAS, G.
  Measurements of peroxy radical concentrations in a peri-urban atmosphere using the chemical amplifier method
• ANDRES HERNANDEZ, M.D.; BURKERT, J.; GERHARD, M.; REICHERT, L.; STÖBENER, D.; BURROWS, J.P.
  Role of peroxy radicals in the formation of tropospheric ozone in Bremen
• HANKE, M.; REINER, T.; ARNOLD, F.
  Laboratory studies on the selective measurement of organic perozy radicals and HO2 by chemical conversion/ion molecule reaction mass spectrometry
• REINER, T.; HANKE, M.; ARNOLD, F.; ZIEREIS, H.; SCHLAGER, W.; JUNKERMANN, W.
  Aircraft-borne measurements of peroxy radicals, related trace gases, and UV radiation
• CLEMITSHAW, K.C.; SUGIER, J.; JENKIN, M.E.; HEARD, D.E.; PILLING, M.J.; BURROWS, J.P.; MIHELCIC, D.J.; LAVERDET, G.; HJORTH, J.
  Peroxy radical initiative for measurements in the environment (PRIME): a new EU project

13:00 LUNCH

Chairperson: Monks, P.S.

OH radicals

• 14:00 HOFZUMAHAUS, A.
  OH radicals in the atmosphere (Solicited Paper)

14:30 Poster Summaries

• BERRESHEIM, H.; ELSTE, T.; WEINER, R.; PLASS-DÜLMER, C.; EISELE, F.L.; TANNER, D.J.
  Tests and evaluation of an ion assisted mass spectrometric technique for long-term monitoring of atmospheric OH-radicals
• WEBER, M.; HOFZUMAHAUS, A.; HOLLAND, F.; SCHÄFER, J.; SEDLACEK, M.
  The measurement of tropospheric HO2 radical concentrations by laser-induced fluorescence at low pressure
• SEDLACEK, M.; WEBER, M.; HOFZUMAHAUS, A.
  Investigation of the effective absorption cross-sections of water vapour and oxygen for the VUV emissions of low pressure mercury lamps at 185 NM
• CREASEY, D.J.; HALFORD-MAW, P.A.; HEARD, D.E.; LEE, J.D.; PILLING, M.J.; WHITAKER, B.J.
  Measurement of HOx in the marine boundary layer
• CARSLAW, N.; JACOBS, P.J.; PILLING, M.J.
  Modelling radical chemistry in the marine boundary layer
• MONKS, P.S.; CARSLAW, N.; EVANS, M.; SHALLCROSS, D.; LEWIS, A.C.; LAW, K.; PENKETT, S.A.; PYLE, J.; PILLING, M.J.
  Isoprene and radicals: sstimulants for the export of continental ozone?
• FORBERICH, O.; PFEIFFER, P.; COMES, F.J.
  Tropospheric OH box-modelling and analytical studies: comparison with observations from the WAOSE'95
• HAUSMANN, M.; HOLLAND, F.; KOHLMANN, J.-P.; ROHRER, F.; EHHALT, D.H.
  On the dependence of the OH radical concentration on its precursors: results of the POPCORN field campaign
• CALANCA, P.; REIMANN, S.; HOFER, P.
  Inferring OH concentrations from diurnal variations of non-methane hydrocarbons
• KOHLMANN, J.-P.; POPPE, D.
  Influence of the uncertainty of gas phase rate constants on the modeled tropospheric OH concentrations
• COLLINS, W.J.; STEVENSON, D.S.; JOHNSON, C.E.; DERWENT, R.G.
  Chemical processes affecting the global distribution of OH in a tropospheric Lagrangian chemistry model
• ACKERMANN, R.; GEYER, A.; STUTZ, J.; LOERZER, J.; KURTENBACH, R.; BECKER, K.-H.; PLATT, U.
  Simultaneous DOAS-measurements of HONO and its precursors in a traffic tunnel
• KOURTIDIS, K.; ZEREFOS, C.; TSIOURI, I.; SCHMITT, R.; RAPPENGLUECK, B.; SUPPAN, P.; FABIAN, P.
  Production and destruction rate of OH at an island and a suburban site in Greece during the 1996 PAUR campaign
• KRAUS, A.; HOFZUMAHAUS, A.
  Airborne measurements of the absolute solar actinic UV flux and the O3 -> O(1D) photolysis frequency in the troposphere between 0-12 km altitude
• HASZPRA, L.; RADICS, K.
  A quality control/quality assessment method for atmospheric non-methane hydrocarbon (NMHC) measurement

16:30 END OF SESSION
 

OA19 Free-radicals in the troposphere (co-sponsored by ST) - Poster Session

Convener: Dorn, H.-P.
Co-Convener(s): Volz-Thomas, A.
Display Time: Monday, 09:00 - Friday, 13:00
Authors in Attendance: Tuesday, 17:00 - 19:00
Poster Area: LES MUSES

Chairperson: Andrés Hernandez, M.

• OA363 DUBOIS, R.; FLLENTJE, H.
  Measurements of nitrate radicals and estimation of particle surface area at Cape Arkona (Rügen Island)
• OA364 ALLAN, B.J.; COE, H.; MCFIGGANS, G.; PLANE, J.M.C.
  Studies of the nitrate radical in the troposphere
• OA365 MIHELE, C.M.; HASTIE, D.R.
  The effect of humidity on wall loss and chain lengths in radical amplifiers
• OA366 EL BOUDALI, A.; MAGUIN, F.; LAVERDET, G.; LE BRAS, G.
  Measurements of peroxy radical concentrations in a peri-urban atmosphere using the chemical amplifier method
• OA367 ANDRES HERNANDEZ, M.D.; BURKERT, J.; GERHARD, M.; REICHERT, L.; STÖBENER, D.; BURROWS, J.P.
  Role of peroxy radicals in the formation of tropospheric ozone in Bremen
• OA368 HANKE, M.; REINER, T.; ARNOLD, F.
  Laboratory studies on the selective measurement of organic perozy radicals and HO2 by chemical conversion/ion molecule reaction mass spectrometry
• OA369 REINER, T.; HANKE, M.; ARNOLD, F.; ZIEREIS, H.; SCHLAGER, W.; JUNKERMANN, W.
  Aircraft-borne measurements of peroxy radicals, related trace gases, and UV radiation
• OA370 CLEMITSHAW, K.C.; SUGIER, J.; JENKIN, M.E.; HEARD, D.E.; PILLING, M.J.; BURROWS, J.P.; MIHELCIC, D.J.; LAVERDET, G.; HJORTH, J.
  Peroxy radical initiative for measurements in the environment (PRIME): a new EU project
• OA371 BERRESHEIM, H.; ELSTE, T.; WEINER, R.; PLASS-DÜLMER, C.; EISELE, F.L.; TANNER, D.J.
  Tests and evaluation of an ion assisted mass spectrometric technique for long-term monitoring of atmospheric OH-radicals
• OA372 WEBER, M.; HOFZUMAHAUS, A.; HOLLAND, F.; SCHÄFER, J.; SEDLACEK, M.
  The measurement of tropospheric HO2 radical concentrations by laser-induced fluorescence at low pressure
• OA373 SEDLACEK, M.; WEBER, M.; HOFZUMAHAUS, A.
  Investigation of the effective absorption cross-sections of water vapour and oxygen for the VUV emissions of low pressure mercury lamps at 185 NM
• OA374 CREASEY, D.J.; HALFORD-MAW, P.A.; HEARD, D.E.; LEE, J.D.; PILLING, M.J.; WHITAKER, B.J.
  Measurement of HOx in the marine boundary layer
• OA375 CARSLAW, N.; JACOBS, P.J.; PILLING, M.J.
  Modelling radical chemistry in the marine boundary layer
• OA376 MONKS, P.S.; CARSLAW, N.; EVANS, M.; SHALLCROSS, D.; LEWIS, A.C.; LAW, K.; PENKETT, S.A.; PYLE, J.; PILLING, M.J.
  Isoprene and radicals: sstimulants for the export of continental ozone?
• OA377 FORBERICH, O.; PFEIFFER, P.; COMES, F.J.
  Tropospheric OH box-modelling and analytical studies: comparison with observations from the WAOSE'95
• OA378 HAUSMANN, M.; HOLLAND, F.; KOHLMANN, J.-P.; ROHRER, F.; EHHALT, D.H.
  On the dependence of the OH radical concentration on its precursors: results of the POPCORN field campaign
• OA379 CALANCA, P.; REIMANN, S.; HOFER, P.
  Inferring OH concentrations from diurnal variations of non-methane hydrocarbons
• OA380 KOHLMANN, J.-P.; POPPE, D.
  Influence of the uncertainty of gas phase rate constants on the modeled tropospheric OH concentrations
• OA381 COLLINS, W.J.; STEVENSON, D.S.; JOHNSON, C.E.; DERWENT, R.G.
  Chemical processes affecting the global distribution of OH in a tropospheric Lagrangian chemistry model
• OA382 ACKERMANN, R.; GEYER, A.; STUTZ, J.; LOERZER, J.; KURTENBACH, R.; BECKER, K.-H.; PLATT, U.
  Simultaneous DOAS-measurements of HONO and its precursors in a traffic tunnel
• OA383 KOURTIDIS, K.; ZEREFOS, C.; TSIOURI, I.; SCHMITT, R.; RAPPENGLUECK, B.; SUPPAN, P.; FABIAN, P.
  Production and destruction rate of OH at an island and a suburban site in Greece during the 1996 PAUR campaign
• OA384 KRAUS, A.; HOFZUMAHAUS, A.
  Airborne measurements of the absolute solar actinic UV flux and the O3 -> O(1D) photolysis frequency in the troposphere between 0-12 km altitude
• OA385 HASZPRA, L.; RADICS, K.
  A quality control/quality assessment method for atmospheric non-methane hydrocarbon (NMHC) measurement