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EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Inter-calibration Projects Rob Roebeling, Jörg Schulz, Sebasien Wagner, and Tim.

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Presentation on theme: "EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Inter-calibration Projects Rob Roebeling, Jörg Schulz, Sebasien Wagner, and Tim."— Presentation transcript:

1 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Inter-calibration Projects Rob Roebeling, Jörg Schulz, Sebasien Wagner, and Tim Hewison EUMETSAT

2 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Sustained and Coordinated Processing of Environmental Satellite data for Climate Monitoring

3 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Motivation What is at stake? History shows that weather observations did not become useful for society until a lexicon was agreed to The Beaufort scale did this for wind climatology and maritime commerce in the 19 th century For The Climate Service to benefit society, it must adopt a lexicon that sets expectations for openness, process and transparency that are accessible to the public How might we define a climate record lexicon useful to both scientists and the general public in the 21 st century?

4 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Common Climate Observations Building upon Best Practices Steps to long-term monitoring  Over the last 20-30 years many investigators have developed methods for seaming together observations with evolving coverage and accuracies  From these experiences, common elements are emerging on how climate scientists do business How do we capture and make available these best practices? Courtesy: John Bates (NOAA)

5 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Common Climate Observations Building upon Best Practices What common preservation information do we need and how do we capture and communicate this? 5 5 Climate Preservation Description Information Reference Information Provenance Information Context Information Fixity Information Where can products easily be found? What original observations were used in the product? What methods were used to create the product? How do we ensure authenticity of the product? Courtesy: John Bates (NOAA)

6 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Introduction Objective: To advance on the sustained generation of Climate Data Records (CDRs) from satellite data. Method: elevate the level of scientific and operational “maturity” of the CDRs; ensure the sustained operation of the CDR generation systems; foster the collaboration between satellite agencies & research institutions; answer to priorities identified by the relevant communities, for example: Extend the use of the Global Space-based Inter-Calibration System (GSICS) Benefits for space agencies: ensures their role in the field of climate data stewardship; improves their capacity to deliver data services for Global Climate Services; improves their capacity to serve the scientific community. Slide: 6

7 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Sustained Climate Information Flow Satellite & In Situ Observations Satellite & In Situ Observations Satellite data Environmental Data Records Long-term Information Preservation Interim Climate Data Records Climate Information Records Fundamental Climate Data Records Thematical Climate Data Records Climate Data Records Weather and Environmental monitoring Operational Climate Monitoring Longer term climate variability & climate change analysis Adaptation + mitigation planning (decision making) Sustained Applications Major model-based Reanalysis Short and Medium Latency Re-calibration Inter-calibration Reprocessing Observing system performance Monitoring and automated corrections Data conversion User Services Inter- calibration Sustained Coordinated Processing Archived Satellite Data and Records

8 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Concept Maturity Matrix 8 8 Where can products easily be found? What original observations were used in the product? What methods were used to create the product? How do we ensure authenticity of the product? Climate Portal www.climate.gov Climate Portal www.climate.gov Digital Signature Collection Methods Algorithm stability Metadata & QADocumentationValidationPublic Release Science & Applications How was the data collected, sensors, surveys, etc.? Are algorithms under configuration management and how mature? How full and complete are the metadata and quality assessment? Is the Operational Algorithm Description full, complete, and peer reviewed? How complete is the validation? Are the data, algorithms and software open and available to the Public? How extensive is the peer reviewed literature and how varied are the applications? What original observations were used in the product? What methods were used to create the product? Let’s define a Maturity Matrix (1=low; 6=high) that sets expectations and assesses progress Courtesy: John Bates (NOAA)

9 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA 6 6 - Benchmark 5 5 - Sustained 4 4 - Demonstrated 3 3 - Provisional 2 2 - Experimental 1 1 - Initial Operations 9 Research Maturity Courtesy: John Bates (NOAA) SCOPE-CM: Evolution of CDR maturity

10 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM: Assessment of CDR Maturity CDR self assessments, made by EUMETSAT and NOAA scientists, provided a first insight into the openness, processes and transparency of these CDRs; Results show moderate levels of maturity. More work needed in particular on metadata and documentation. Self-assessment of a single CDRMaturity Matrix Statistics Courtesy: John Bates (NOAA)

11 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA SCOPE-CM projects related to Inter-calibration

12 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Current Status Inter-calibration related projects 1.Inter-calibration of passive imager observations from time-series of geostationary satellites (IOGEO) 2.Advancing the status of the AVHRR FCDR 3.Radio occultation based gridded climate datasets - RO-CLIM Constrains Participating institutes are either space agencies or research institutes; Planned length of project: 5 years; proposed starting date: 1 Jan 2014; Work is on best effort basis; Funding through baseline budget of the participants and/or additional funding from competitive schemes; Final goal is to improve the Maturity of the anticipated FCDRs and TCDRs; Projects may be extended in the next phase of SCOPE-CM. Slide: 12

13 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Inter-calibration of passive imager observations from time-series of geostationary satellites (IOGEO) Objective: to generate a Fundamental Climate Data Record (FCDR) of calibrated and quality- controlled geostationary sensor data, including the visible, infra-red window and water vapour absorption channels of geostationary satellites. Method IR and WV recalibration: to utilise the inter-satellite methodology developed by GSICS; to tie time series of IR and WV satellite data to the High Resolution Infrared Sounder (HIRS) data using Double Differencing; to monitor quality and stability of the HIRS observations with observations from IASI and AIRS; to adopt a common recalibration approach at NOAA, JMA and EUMETSAT; to generate FCDRs of IR & WV radiances for the GEO satellites; to inter-compare FCDRs of IR & WV radiances in overlapping regions, and compare them against output from observational feedback archive at ECMWF; Slide: 13

14 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Inter-calibration of passive imager observations from time- series of geostationary satellites (IOGEO) Method VIS recalibration: to assess the VIS inter-calibration methodologies developed by GSICS; to develop a consensus inter-calibration approach for the VIS channels; to implement the consensus VIS inter-calibration approach at the 3 agencies; to generate of VIS reflected radiance FCDRs for the GEO satellites; to inter-compare the FCDRs of VIS reflected radiance for the 3 agencies; to gather feedback from beta users; Benefits: FCDRs that allow the generation of homogeneous geophysical products, either through direct retrieval or data assimilation into reanalysis, that are accurate and stable enough for climate monitoring; FCDRs that can be immediate use for other SCOPE-CM projects; Feedback on the applicability of GSICS methodologies for the creation of CDRs. Slide: 14

15 EUM/OPS/VWG/10/2623 GSICS meeting, March 2013, Williamsburg USA Advancing the status of the AVHRR FCDR Objective: to secure the continued improvement of the AVHRR fundamental climate data record (FCDR) comprising accurately calibrated and inter-calibrated radiances. This projects builds upon the work of Heidinger et al. (2010). Method: to incorporate further improvements as suggested by Molling et al. (2010) to reduce SNO uncertainties by correcting for differences in the instruments SRFs; to update the IR calibration methods; to improve on navigation accuracies, temporal coverage, data homogenization and orbital drift uncertainties. Benefits: FCDRs covering more than 30 years of NOAA-AVHRR to be used for the generation of homogeneous geophysical products (e.g. Cloud Climate Data Records of the CM-SAF and PATMOS-X) Slide: 15

16 GSICS meeting, March 2013, Williamsburg USA EUM/OPS/VWG/11/3248 Issue 1 04/09/2011 GSICS meeting, March 2013, Williamsburg USA Thank You Any Questions?


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