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SCIAMACHY Validation Workshop

SCIAMACHY Validation Workshop. Objectives and introduction Ankie Piters, KNMI. Why this meeting?. Two reasons: Status on currently available products: What can we say about current quality/accuracy? What information is still missing? Assure manpower for continuation of validation:

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SCIAMACHY Validation Workshop

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  1. SCIAMACHY Validation Workshop Objectives and introduction Ankie Piters, KNMI

  2. Why this meeting? Two reasons: • Status on currently available products: • What can we say about current quality/accuracy? • What information is still missing? • Assure manpower for continuation of validation: • Convince you that your efforts are needed • Offer you a structure and support (not financial )

  3. Why should you? Validation of SCIAMACHY has been difficult, Products do not yet meet our expectations, improvement is rather slow, and new satellite instruments are coming up. But … • SCIAMACHY will continue performing measurements for ~5-10 years • Products with good scientific value will come out • We will have 5-10 years of global data with knownand good quality in the end You can benefit from this dataset, especially in combination with other ENVISAT and EOS-AURA instruments. But we need your help!

  4. What can you do? Funding for validation is very limited. In spite of this, we ask you to: • Use the data in scientific applications, • critically assess their quality for your purpose, and • give feedback to product developers. In addition we should all: • Convince funding agencies, as individuals and as a group, that validation has not finished, it only just started

  5. This workshop Today: • Information on status • SCIAMACHY • Ground processor • Products: operational and scientific • Time for specific questions: after each talk • General discussion (40 minutes) Tomorrow-morning: • Final presentations of GSVT

  6. German validation effort • A lot of work has been done by German community • But: validation is not finished, it just started • A lot of work still has to be done by all involved countries, both on: • Product development and improvement • Quality assessment

  7. Rest of the workshop Tuesday 13:40 – 17:00 & Wednesday 9:00 – 11:55 • Short sessions on a product-by-product basis • Individual presentations (max 15m) • Discussion time (min 15/25m): • Short presentation from session chair • Discussion on specific validation issues General discussion at the end (35 minutes): • Issues gathered during workshop

  8. After the workshop • Presentations on web site: mid December Please give your presentation to Berit Kirchhoff • Summary report (PDF, also on web): end January • GSVT will also have their own report/website • We invite you to submit your validation papers to the ACP special issue “Geophysical validation of SCIAMACHY: 2002-2004” • Open for submission now, with direct (~4-6 weeks) on-line publication • Submission deadline is 4-2-2005

  9. scientific products (IFE, KNMI, IUP-Heid, SAO, SRON, BIRA, MPI-Mainz) Nadir Limb UV/Vis NIR UV/Vis O3 (v) N2O (v) O3 (p) NO2 (s/v/t) CO (v) NO2 (p) BrO (v) CO2 (v) BrO (p) SO2 (s/v) CH4 (v) OClO (s/v) H2O (v) cloud fr Nadir+Limb Occultation cloud tp UV/Vis UV/Vis AAI NO2 (t) O3 (p) AOT NO2 (p) UV index /dose NO3 (p) Status product quality September 2004 operational products (ESA/DLR) Nadir (NRT) Limb (OL) UV/Vis NIR UV/Vis O3 (v) H2O (v) O3 (p) NO2 (v) N2O (v) NO2 (p) BrO (s) CO (v) SO2 (s) CO2 (v) OClO (s) CH4 (v) HCHO (s) cloud fr AAI ‘smaller’ problems ‘larger’ problems unknown quality cannot be used

  10. Thanks to ACCENT – Troposat II steering group for their decision to sponsor and host this meeting EU project subgroup on retrieval, validation and use of tropospheric satellite products • University Bremen for making the accomodation available

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