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

Slide 1Atmospheric Chemistry User Workshop, 20th & 21st January 2004, ESTEC

EUMETSAT Satellite Application

Facility on Ozone Monitoring

http://o3saf.fmi.fi


Overview

1. Satellite Application Facility Network2. The Ozone Monitoring SAF (O3M SAF)

Objectives Management Structure Products and Responsibilities

3. Product tables4. Product & Validation Service examples5. Current Status


1. The Satellite Application Facility Network

Distributed element of the EUMETSAT Application Ground SegmentProviding 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

FocusOperational meteorology and climate monitoring in line with the new Convention

Development/operations co-funded by EUMETSAT & Member States


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


Distributed operations structure

2 archive facilities

4 processing sites

3 validation services

2b.The O3M SAF- Management Structure

S A F N etworkM anagement

Proj ect M anagerFMI

Proj ect S ervice M anagerYY I nsit iute

O 3M S A FS teer ing Group

Development T eamYY I nsit iute

Proj ect S ervice M anagerYY I nsit iute

Development T eamYY I nsit iute

Engineer ing Coordinat ionFMI

S cient ifi c A dviceA lgor ithm Forum

etc. . .


ResponsibleI nstitute

Product

DLR GOME-2 NRT Total Column OzoneGOME-2 Offl ine Total Column Ozone and Trace Gases

KNMI GOME-2 NRT Ozone Profi leGOME-2 Off -line Ozone Profi leGOME-2 AerosolsValidation of Retrieved Ozone Distribution by Data AssimilationAssimilated Total Column Ozone f or Surf ace UV Retrieval(internal product only)

FMI HI RS Total Ozone (Development by Météo-France)Off -line UV Fields with Clouds and AlbedoValidation of Off -line UV Fields

DMI NRT Clear-Sky UV FieldsLAP-HNMS Validation of Total Column OzoneKMI Validation of Ozone Profi les with balloon soundingsDWD Validation of Ozone Profi les with lidar and microwave radiometers

2c. The O3M SAF - Products and Responsibilities


Product Size(MB)per orbit

Frequency Resolution Accuracy Producer

Total ColumnOzone (NTO)

15 Orbit GOME- 2instrument

< 6 % DLR

Ozone Profile(NOP)


< 10 % strat,< 30% trop.

KNMI

HI RS TotalOzone(HTO)

1.1 Orbit HI RS/4instrument

TBD FMI(M- F fordevelopment)

UV Clear- Skyfields (NUV)

0.5 Daily 0.25° x 0.25 < 10% DMI

3a. Product Tables - Near Real Time


Product Size(MB)per orbit


Total ColumnOzone (OPO)


< 4 % DLR

Total ColumnNO2 and BrO


TBD DLR

Ozone Profile(OOP)


< 10 % strat,< 30% trop.

KNMI

AAI Orbit GOME- 2instrument

NA KNI

AOD

8 (combined)

Only for pixelswith AAI >1

GOME- 2instrument

20% KNMI

UV Fields withClouds & Albedo(OUV)

1.1 Orbit GOME- 2instrument

20% FMI

3b. Product Tables - Off-Line (15 Days)


Product Size (MB)per orbit


SO2 - Orbit GOME- 2 instrument SZA < 65°50- 100%SZA > 65°> 100%

DLR

SO2 Volcanic - Orbit GOME- 2 instrument SZA < 65°50- 100%SZA > 65°> 100%

DLR

HCHO - Orbit GOME- 2 instrument >100 % DLR

HCHO Biomassburning

- Orbit GOME- 2 instrument 50- 100 % DLR

OClO - Orbit GOME- 2 instrument Other SZA>100 %

DLR

OClO Ozone Hole - Orbit GOME- 2 instrument SZA > 75°50- 100 %

DLR

3c. Product Tables - Experimental


4a. Product Examples (DLR): NRT & Off-Line Total Column Ozone, GOME-2

AccuracyNRT : 6%Off-line : 4%

GOME-2 Resolution40×40 km2 (960 km)80×40 km2 (1920 km)

ERS/GOME-1 @ 40 × 320 km2

Resolution


4b. Product Examples (M-F and FMI) NRT HIRS Total Ozone

HIRS-3/NOAA-16 @ 30 km Resolution Accuracy: HTO : 12 % HPO : 8 %


4c. Validation Service Examples (LAP/HNMS) Total Ozone using Ground-Based

MeasurementsResponsibility: LAP/U. Thessaloniki (WMO O3 Mapping Centre)Web page: http://lap.physics.auth.gr/o3safval

Using stations from the GO3OS/GAW network: Dobson, Brewer accuracy better than 2%M-124, SAOZ accuracy better than 3%

Validation Results:Comparison at daily time scale, for each stationResults as functions of time, latitude, obs. type, zenith angle, geographic area, …


4d. Validation Service Examples (LAP/HNMS) Total Ozone using Ground-Based Measurements

contd ...

1 2 3 4 5 6 7 8 9 10 11 12

M onth

-80

-60

-40

-20

0

20

40

60

80

Latit

ude

(G O M E-ground)/G O M E v2.7 (com m on orb its)

1 2 3 4 5 6 7 8 9 10 11 12

M onth

-80

-60

-40

-20

0

20

40

60

80

Latit

ude

(G O M E-ground)/G O M E v3.0 xcorr


4e. Product Examples (KNMI)

NRT & Off-Line Ozone Profile,

GOME-2


4f. Validation Service Examples (KMI/RMI) Validation of Ozone Profiles using Balloon

SoundingsResponsibility: 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 resolutionStatistical comparison of the set of observed (sondes) and retrieved profilesError analysisTrajectory mapping


4g. Validation Service Examples (RMI) Validation of Ozone Profiles using Balloon Soundings contd …

Station: Uccle


4h. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and

Microwave RadiometerResponsibility:

DWD, Hohenpeißenberg (DWD in NDSC)Lidar:

Observation of the Ozone profile in the upper stratosphereSelf-calibrating instrumentLong-term stabilityNight time observationsClear sky conditionsAccuracy : 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


Station latitudelongitudeEureka 80.0 N 85.9 WNy Ålesund 78.9 N 11,6 EAndoya 69.3 N 16.0 E Hohenpeissenb 47.8 N 11.0 EToronto 44.8 N 79.5 WHaute Provence 43.9 N 5.7 ETsukuba 36.1 N 140.1 ETable Mountain 34.4 N 117.7 WMauna Loa 19.5 N 155.6 WLauder 45.1 S 169.7 E

4i. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer

contd ...


layer mean differences (gome-lidar)/lidar

0

10

20

30

40

50

60

70

-60 -40 -20 0 20 40 60

difference [% ]

altit

ud

e [k

m]

lidar

apriori

+1 sigma

-1 sigma


0

10

20

30

40

50

60

70

-60 -40 -20 0 20 40 60

difference [% ]

altit

ud

e [k

m]

lidar

apriori

+1 sigma

-1 sigma


0

10

20

30

40

50

60

70

-60 -40 -20 0 20 40 60

difference [% ]

altit

ud

e [k

m]

lidar

apriori

+1 sigma

-1 sigma

Haute Provence (84)

Mauna Loa (98) Lauder (25)

4j. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer

contd ...


layer mean differences (gome-reference)/reference

0

10

20

30

40

50

60

70

-60 -40 -20 0 20 40 60difference [% ]

alt

itu

de

[k

m]

microwave

+1 sigma

-1 sigmalidar

layer mean differences (gome-microw.)/microw.

0

10

20

30

40

50

60

70

-60 -40 -20 0 20 40 60diffe rence [%]

alt

itu

de

[k

m]

m icrowave

+1 s igm a

-1 s igm a

lidar

HohenpeissenbergJune 2000 (8 profiles)

HohenpeissenbergDecember 2000 (7 profiles)

4j. Validation Service Examples (DWD) Validation of Ozone profiles by Lidar and Microwave Radiometer

contd ...


Responsilbility: KNMI, De Bilt

Experiments:Validation of SCIAMACHY

productsOzone 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


4k. Validation Service Examples (KNMI) Validation of Ozone Distribution by Data Assimilation contd ...


4l. Product Example (DLR) Off-line Trace Gas Products


4m. Product Examples (DLR) Off-line Trace Gas Products contd ...


NOAA-satellite AVHRR-picture

TOMS-data, CIE UV-daily dose (J/m2)

4n. Product Examples (FMI) Off-Line UV Fields


Responsibility: FMI, Helsinki

Using ground stations from the WOUDC and European UV databasesCurrently 4 validation sites

Sodankylä: Brewer Toronto: Brewer San Diego: SUV-100 Ushuaia: SUV-100

OUV product processed withGOME-1 Total Column Ozone Version 3.02000: N-14 and N-15 AVHRR data2001: 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


4p. Validation Service Examples (FMI) Validation of Off-Line UV Fields contd ...


5. The Ozone Monitoring SAF Status

Currently in an extension of the development phaseContinue research and development activitiesDevelop & disseminate pre-operational productsAlign integration & verification activities with those of the full EPS system & ground segment

AimsSupport the first MetOp launch in the fourth quarter of 2005Support subsequent commissioning activities


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/

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

Documents

resolution slide

days slide

current status slide

estec overview

validation services

o3m saf products

real time nrt products

product examples dlr