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5th Biennial WMO/GAW Brewer Users Group Meeting

Brewer Ozone Spectrophotometer Operation, Calibration and Data Reporting and Concurrent Instrument Activities

Halkidiki, Greece, September 12-20, 1998

Agenda

Tuesday, September 15, 1998
1900-2000 Registration, Election of Rapporteurs and Review of Agenda
2000- Informal Ice-breaker
Wednesday, September 16, 1998
0830-1900 Opening by a Representative from Aristotle University of Thessaloniki [C. Zerefos]
Session I: Opening and Introduction
Rapporteur [Tom Grajnar]
0900-0910 Introductory remarks by the Chairman of the Scientific Organizing Committee. [C. Thomas McElroy, IOC]
0910-0930 Remarks by the Consultation Chairman. [C. Thomas McElroy, Canada]
Session II: Total Ozone Records
Rapporteur [H. De Backer and U. Koehler]
0930-0945 Report on the current status of total ozone measurements made using Brewers No.75 and No. 126 Spectrophotometers. [Dave Moore, UK]
0945-1000 Total ozone measurements with 2 Brewers and 2 Dobsons at Arosa 1996-98 [Herbert Schill, Switzerland]
1000-1015 Five years of Ozone measurements at Belgrano station (Antarctica) [Luigi Ciattaglia, Italy]
1015-1030 Ozone Variations In Eastern Siberia Observed by Brewer, SAOZ and ECC Ozonesondes In 1992-1998. [Valery Dorokhov, Russia]
1030-1100 Coffee Break
1100-1115 Fifteen-year Brewer record at Hohenpeissenberg - A valuable supplement to the Dobson data set. [Ulf Köhler, Germany]
1115-1130 Update on Brewer Calibration Activities [Ken Lamb, Canada]
Session III: Zenith Sky Observations
Rapporteur [K. Vanicek]
1130-1145 Zenith-sky Observations at Poprad-Ganovce [Miroslav Chmelik, Slovakia]
1145-1200 Zenith Total ozone observations with a Brewer instrument including cloud corrections [Hugo De Backer, Belgium]
Session IV: Station Activities
Rapporteur [E. Hare]
1200-1215 1200-1215 Total ozone, UVB and Umkehr time series at Izaña [Alberto Redondas Marrero, Spain]
1215-1230 Brewer Measurements at Mauna Loa Observatory. [Jim Kerr, Canada]
1245-1700 Afternoon Break
Poster Session I
1700-1900 Poster Session I
1900-2100 Poolside Social Gathering [Society of Opticians and Optometrists of Northern Greece]
Thursday, September 17, 1998
Session V: New Instrument Operation and Design Modifications
Rapporteur [J. Groebner]
0830-0850 Revised Grating Micrometer Drive Mechanisms [Julian Groebner and Ken Lamb, Canada]
Session VI: Data Management and Software Development
Rapporteur [J. Groebner]
0850-0905 Supporting software tools for Brewer data management. [Karel Vanicek, Czech Republic]
0905-0920 Update on the BDMS and WOUDC Data Archives. [Ed Hare, Canada]
0920-0935 SCITEC Update [R. Rösemann, The Netherlands]
Session VII: UV-B Measurement
Rapporteur [A. Bais]
0935-0950 The Ozone and UV record in Canada [Jim Kerr, Canada]
0950-1005 Homogenizing The Spectral UV Data Of Brewer #107. [Tapani Koskela, Finland]
1005-1020 Eight years of Brewer UV-B measurements at Sodankyla, Finland. [Kaisa Masson, Finland]
1020-1035 Eight years of regular Brewer UV-observations at Hohenpeissenberg: instrumental and climatological results. [Ulf Köhler, Germany]
1035-1105 Coffee Break
1105-1120 Calibration of Brewer #088 for UVB measurements. [Gerry Murphy, Ireland]
1120-1135 Cosine correction of global sky measurements using a Brewer Spectrometer. [Alkis Bais, Greece]
1135-1150 Total ozone derived from irradiance measurements with Brewer #042 [A. Dahlback and F. Tønnesen]
Session VIII: Aerosol and Other Trace Gases
Rapporteur [J. Kerr]
1150-1205 Use of Brewer Ozone Spectrometer for Aerosol Optical Depth measurements in the UV region [Fernanda Carvalho and Diamantino Henriques, Portugal]
Session IX: Umkehr Measurement
Rapporteur [J. Kerr]
1205-1220 A Comparison of Brewer #025 and Dobson #061 Total Ozone and Umkehr Measurements Made at Boulder Between October 1991 and December 1997. [Gloria Koenig, USA]
1220-1235 New Developments in the Brewer Umkehr Algorithm [Tom McElroy, Canada]
1235-1700 Afternoon break
Poster Session II
1700-1900 Posters and a meeting with Ed Hare concerning the WOUDC.
Friday, September 18, 1998
Session X: Network and Monitoring Programs
Rapporteur [T. McElroy]
0830-0845 The Canadian Brewer Network. [Tom Grajnar, Canada]
0845-0900 Brewer performance as assessed by satellite intercomparison. [Jim Kerr]
0900-0915 The Performance of Brewer Spectrophotometers in China [Zheng Xiangdong, China]
Session XI: New Developments
Rapporteur [G. Koenig]
0915-0930 New Measurement Methods [Jim Kerr, Canada]
0930-0945 Chappuis Band Ozone Measurements using a Photo-diode Array Spectrometer [Tom McElroy, Canada]
Session XI: Closing Activities
Preparation of meeting recommendations and review of draft report

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