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Slide 1 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC EUMETSAT Satellite Application Facility on Ozone Monitoring

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Presentation on theme: "Slide 1 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC EUMETSAT Satellite Application Facility on Ozone Monitoring"— Presentation transcript:

1 Slide 1 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC EUMETSAT Satellite Application Facility on Ozone Monitoring http://o3saf.fmi.fi

2 Slide 2 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Overview 1. Satellite Application Facility Network 2. The Ozone Monitoring SAF (O3M SAF)  Objectives  Management Structure  Products and Responsibilities 3. Product tables 4. Product & Validation Service examples 5. Current Status

3 Slide 3 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 1. The Satellite Application Facility Network Distributed element of the EUMETSAT Application Ground Segment Providing services to operational and other users  real time/off line products, in principle up to level 2  user software packages  data management and related user services  co-ordination of/support to research and development Focus Operational meteorology and climate monitoring in line with the new Convention Development/operations co-funded by EUMETSAT & Member States

4 Slide 4 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 2a. The O3M SAF - Objectives Development and generation of the operational facility which produces: Near Real Time (NRT) products and Offline products based on GOME-2 (or HIRS/4) data. Validation services based on ground-based measurements Research and development of radiative transfer calculation methods and other algorithms used for data retrieval User Community Met. Services and research organizations

5 Slide 5 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Distributed operations structure  2 archive facilities  4 processing sites  3 validation services 2b.The O3M SAF- Management Structure

6 Slide 6 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 2c. The O3M SAF - Products and Responsibilities

7 Slide 7 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 3a. Product Tables - Near Real Time

8 Slide 8 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 3b. Product Tables - Off-Line (15 Days)

9 Slide 9 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 3c. Product Tables - Experimental

10 Slide 10 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4a. Product Examples (DLR): NRT & Off-Line Total Column Ozone, GOME-2 Accuracy NRT : 6% Off-line : 4% GOME-2 Resolution 40×40 km 2 (960 km) 80×40 km 2 (1920 km) ERS/GOME-1 @ 40 × 320 km 2 Resolution

11 Slide 11 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4b. Product Examples (M-F and FMI) NRT HIRS Total Ozone HIRS-3/NOAA-16 @ 30 km ResolutionAccuracy: HTO : 12 % HPO : 8 %

12 Slide 12 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4c. Validation Service Examples (LAP/HNMS) Total Ozone using Ground-Based Measurements Responsibility: LAP/U. Thessaloniki (WMO O3 Mapping Centre) Web page: http://lap.physics.auth.gr/o3safval Using stations from the GO 3 OS/GAW network: Dobson, Brewer  accuracy better than 2% M-124, SAOZ  accuracy better than 3% Validation Results: Comparison at daily time scale, for each station Results as functions of time, latitude, obs. type, zenith angle, geographic area, …

13 Slide 13 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4d. Validation Service Examples (LAP/HNMS) Total Ozone using Ground-Based Measurements contd...

14 Slide 14 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4e. Product Examples (KNMI) NRT & Off-Line Ozone Profile, GOME-2

15 Slide 15 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4f. Validation Service Examples (KMI/RMI) Validation of Ozone Profiles using Balloon Soundings Responsibility: KMI/RMI Brussels Uses O3 sounding stations: Daily time scale, max. distance 500 km, max. time difference, 8 h Validation Results: Comparison of individual pairs of O3 profiles, scaled to the same vertical resolution Statistical comparison of the set of observed (sondes) and retrieved profiles Error analysis Trajectory mapping

16 Slide 16 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4g. Validation Service Examples (RMI) Validation of Ozone Profiles using Balloon Soundings contd … Station: Uccle

17 Slide 17 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4h. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer Responsibility: DWD, Hohenpeißenberg (DWD in NDSC) Lidar: Observation of the Ozone profile in the upper stratosphere Self-calibrating instrument Long-term stability Night time observations Clear sky conditions Accuracy : 15-40 km : better than 5%, 40-50 km : 10-20% Microwave Radiometer: Bern, Bordeaux, Lauder, Mauna Loa, Ny Ålesund Collocation: Pixel centres ± 2° latitude and longitude from ground station

18 Slide 18 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Stationlatitude longitude Eureka 80.0 N85.9 W Ny Ålesund 78.9 N11,6 E Andoya 69.3 N16.0 E Hohenpeissenb 47.8 N11.0 E Toronto 44.8 N79.5 W Haute Provence 43.9 N5.7 E Tsukuba 36.1 N140.1 E Table Mountain 34.4 N117.7 W Mauna Loa 19.5 N155.6 W Lauder 45.1 S169.7 E 4i. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer contd...

19 Slide 19 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Haute Provence (84) Mauna Loa (98) Lauder (25) 4j. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer contd...

20 Slide 20 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Hohenpeissenberg June 2000 (8 profiles) Hohenpeissenberg December 2000 (7 profiles) 4j. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer contd...

21 Slide 21 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Responsilbility: KNMI, De Bilt Experiments: Validation of SCIAMACHY products Ozone profile assimilation, T3D- DAM advection model forced with ECMWF analyses http://www.knmi.nl/gome_fd Quality control of observations 4k. Validation Service Examples (KNMI) Validation of Ozone Distribution by Data Assimilation

22 Slide 22 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4k. Validation Service Examples (KNMI) Validation of Ozone Distribution by Data Assimilation contd...

23 Slide 23 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4l. Product Example (DLR) Off-line Trace Gas Products

24 Slide 24 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4m. Product Examples (DLR) Off-line Trace Gas Products contd...

25 Slide 25 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC NOAA-satellite AVHRR-picture TOMS-data, CIE UV-daily dose (J/m 2 ) 4n. Product Examples (FMI) Off-Line UV Fields

26 Slide 26 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC Responsibility: FMI, Helsinki Using ground stations from the WOUDC and European UV databases Currently 4 validation sites  Sodankylä: Brewer  Toronto: Brewer  San Diego: SUV-100  Ushuaia: SUV-100 OUV product processed with GOME-1 Total Column Ozone Version 3.0 2000: N-14 and N-15 AVHRR data 2001: N-15 and N-16 AVHHR data Comparisons on daily CIE Dose, Maximum Dose Rate, Maximum UV-B:UV-A Ratio 4o. Validation Service Examples (FMI) Validation of Off-Line UV Fields

27 Slide 27 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 4p. Validation Service Examples (FMI) Validation of Off-Line UV Fields contd...

28 Slide 28 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC 5. The Ozone Monitoring SAF Status Currently in an extension of the development phase Continue research and development activities Develop & disseminate pre-operational products Align integration & verification activities with those of the full EPS system & ground segment Aims Support the first MetOp launch in the fourth quarter of 2005 Support subsequent commissioning activities

29 Slide 29 Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC The EUMETSAT SAF Web pages The SAF Network Web Pages were recently upgraded and improved, to provide more information on the SAF Network, SAF Projects, Targeted Products, and running SAF Demonstrators. The SAF public documentation is available on the EUMETSAT Web. The new SAF Web pages can be seen at the following address : http://www.eumetsat.de/saf/

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