13th Biennial WMO-GAW Brewer Users Group Meeting

13th Biennial WMO-GAW Brewer Users Group Meeting

Hosted by the
Chinese Academy of Meteorological Science (CAMS) and the Chinese Meteorological Administration (CMA)
Beijing, China, 12-16 September 2011
GAW logo

Monday, September 12, 2011 - Day I

Session1 Meeting Opening and Welcome
09:00-09:15 Tom McElroy Welcome and Introduction from the Chairman
09:15-09:30 Mrs. Sun Junying Director, CMS
09:30-09:45 Zheng Xiangdong Welcome from the local host
09:45-09:50 WMO Remarks by Geir Braathen
09:50-10:00 Tom McElroy Opening Remarks
Session 2 Tutorial
10:00-10:30 Tom McElroy Tutorial #1: Introduction to Ozone Measurement
10:30-11:00 COFFEE BREAK
Session 3 Brewer data analysis and characterization
11:00-11:30 Volodya Savastiouk Tutorial #2: Brewer calibrations. What do they accomplish?
11:30-11:50 Henri Diemoz Accurate characterization of MKIV Brewer #066 for NO2 measurements in Aosta (Italy)
11:50-12:10 Alberto Redondas Attenuation filter correction issues on the brewer ozone calculation, comparison of three methods to determine the ozone filter correction
12:10-14:00 LUNCH
Session 3 Brewer calibration
14:00-14:20 Tapani Koskela Monitoring the Brewer’s health - R6 and what else?
Session 4 Poster session
NOTE: Posters will be presented from 15:30-17:30 which includes the coffee break
- Wafik Hanna “Twelve years of Brewer ozone and UV-B measurements at Matrouh, Egypt”
- Mahito Ito “Observation of total ozone and UV solar radiation with Brewer Spectrophotometers on the Norikura mountains, Northern Japanese Alps, from 2009”
- Mahito Ito “Spectral sensitivity calibration system for UV radiometer using iHR320 spectrometer calibrated by Brewer MKIII spectrophotometer”
- Mohd Redzuan Ab Rahman “Reports on monitoring activities of Brewer Ozone Spectrophotometer in Petaling Jaya, Malaysia since 1992”

Tuesday, September 13, 2011 - Day II

Session 3 Brewer calibration (con’t)
09:15-09:35 Alberto Redondas ESA-CALVA Sauna 3 intercomparison campaign results: An attempt to perform a calibration in a Arctic conditions
09:35-10:00 Volodya Savastiouk A database implementation of data analysis and quality control for the Brewer
10:00-10:30 Tom McElroy Slit function characterization and stray light (part1) (part2)
10:30-11:00 COFFEE BREAK
Session 3 Brewer calibration (con’t)
11:00-12:00 Tom McElroy Introduction - Ozone Cross-section Issues
12:00-14:00 LUNCH
Session 5 Special Session on Ozone Absorption Cross-sections
14:00-14:20 Volodya Savastiouk Ozone cross-section change: impact on the Brewer data (re)analysis
14:20-14:30 Tom McElroy Summary and Discussion
14:30-15:00 Irina Petropavlovskikh Advancements in the Brewer Umkehr Retrieval algorithm
15:30-16:00 COFFEE BREAK
Session 6 Practical Matters
16:00-16:20 Tom McElroy Tutorial#3 Mechanical Design Principles
16:20-16:40 Tom McElroy Tutorial#4 Levelling the Brewer
16:40-17:10 Volodya Savastiouk “Hands-on” levelling the Brewer

Wednesday, September 14 - Day III

09:00-09:30 Tom McElroy Introduction to the U of T / EC Maintenance document
09:20-09:45 Shekhar Gurung Ozone studies in Nepal
Session 7 Updates from the Industry
09:45-10:15 Clive Lee New electronics for the Brewer
10:15-10:30 Volodya Savastiouk An update from International Ozone Services Inc.
10:30-11:00 COFFEE BREAK
11:00-11:15 Tom McElroy Discussion (Brewer User Group Input to Industry)
11:15-11:30 Volodya Savastiouk Q&A on maintenance issues
12:00-14:00 LUNCH
14:00-18:00 Optional outing to the Great Wall of China
18:00-22:00 "No Host" group dinner

Thursday, September 15, 2011 - Day IV

Session 8 Science Talks - Station Activities I
09:15-09:40 Claudio Casiccia Umkehr observations at Punta Arenas, Chile (Brewer #180)
09:40-10:05 John Rimmer Weighting coefficients – a mystery?
10:05-10:30 Fuxiang Huang Monitoring of the 2011 Spring low ozone events in the Arctic region
10:30-11:00 COFFEE BREAK
Session 9 Science Talks - Station Activities II
11:00-11:20 Tapani Koskela Elevated UV over Finland in spring 2011
11:20-11:40 Sheng-Bo, Chen Simulation and Retrieval of Atmospheric Ozone Concentrations from Satellite-based Limb Radiance
11:40-12:00 Zheng Xiangdong Intercomparison measurements of MKIV and MKIII Brewers a Zhongshan station, Antarctica
12:00-14:00 LUNCH
14:00 Outing to the Forbidden City

Friday, September 16, 2011 - Day V

Session 8 Science Talks - Station Activities I (con't)
09:00-09:30 Tom McElroy Tutorial#5 Mechanical Design Principles continued
0930-0950 Henri Diémoz Brewers and NO2: algorithms and calibration issues
09:50-10:10 John Rimmer UK trends in ozone and UV and extreme events
Session 10 Brewer Sub-committee Meeting
10:10-10:30 Brewer sub-committee meeting - Open Group Discussion on the future directions of the global Brewer network
10:30-11:00 COFFEE BREAK
Session 11 Science Talks and Closing of the Meeting
11:00-12:00 Tom McElroy Closing of the formal part of the meeting including the writing of recommendations from the meeting
12:00-14:00 LUNCH
14:00-14:30 Tom McElroy A closing presentation - Travelogue to the South Pole
14:30-15:00 Informal closing discussion – when is the next meeting?
15:00-16:30 Continue with Poster Session and Data Analysis workshop session – User time for demonstrations from various presenters
Group Banque