IPCC Guidelines and Way Forward

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Presentation transcript:

IPCC Guidelines and Way Forward Committee on Earth Observation Satellites IPCC Guidelines and Way Forward Osamu Ochiai, JAXA CEOS Plenary 2018 Agenda Item #3.4 Brussels, Belgium 17 – 18 October 2018

D C B A Road to IPCC Guidelines CEOS CEOS Review Methodology document Support coordination with IPCC IPCC Guidelines (to be refined in 2019) Engagement with International Bodies D MOE/NIES “Methodology Document” CEOS Review C Methodology document Satellite-based GHG Data Develop methodology document to support for national statistician to use GHG data for the accuracy of the greenhouse gases inventory. Provide high accurate data set and documents (ATBD) Calibrations and validation for quality control Quality Control and Accuracy of GHG Data AC-VC WGCV B CEOS Provide and share GHG data Engagement with Space Agencies A Space Agencies Ministry of Environment/NIES Ministry of Education, Sports, Culture, Science and Technology JAXA GOSAT/ GOSAT-2(*) NASA OCO-2 GeoCarb ESA Sentinel-5p, FLEX CNES IASI, MicroCarb, MERLIN DLR MERLIN CMA TanSat *GOSAT/GOSAT-2 are joint projects by Ministry of Environment, NIES and JAXA .

D C B A Progress of Road to IPCC Guidelines JAXA and NIES concluded the agreement with ESA, CNES, and DLR respectively for provision of reliable and consistent satellite GHG data and promotion of satellite GHG data utilization. JAXA and NASA have been conducting Inter-Comparison between GOSAT & OCO-2 AC-VC GHG White paper will be finalized at CEOS Plenary 2018 for an endorsement. MOE/NIES released “Guidebook on the use of satellite GHG observation data to evaluate and improve GHG emission inventories” in March 2018. JAXA, together with GEO and the other partners, hosted 3 side events related to GHG at COP23 in Germany. D C B A *GOSAT/GOSAT-2 are joint projects by Ministry of Environment, NIES and JAXA .

Timeline for Guidelines Refinement 29 – 31 Aug 2016 @Minsk Scoping Group meeting 17 – 20 Oct 2016 @Bangkok IPCC decision on outline Feb 2017 Decision on selection of Authors 7 – 14 Jul 2017 @Bilbao First Lead Author Meeting (LAM1) 25 – 28 Sep 2017 @Victoria Falls Second Lead Author Meeting (LAM2) 4 Dec 2017 - 11 Feb 2018 First Order Draft (FOD) Expert Review 10 - 13 Apr 2018 @Cairns Third Lead Author Meeting (LAM3) June 25 2018 Literature Cut-off 2 July - 9 Sep 2018 Second Order Draft (SOD) Government & Expert Review 4th week of Oct 2018 Forth Lead Author Meeting (LAM4) 14 Jan – 10 Mar 2019 Final Government Distribution (FGD) Government Review May 2019 @Japan IPCC adoption/acceptance

Progress of IPCC Guidelines (from 2006 version to FOD/SOD) Second Order Draft (SOD) of IPCC GHG Guidelines was released in July 2018 for government and expert review. GHG monitoring by satellites are referred in volume 1, Chapter 6 “Quality Assurance/Quality Control and Verification” Major Progresses Small chapters and subheads related to satellite observation are added. Satellite retrievals are recognized to cover large area of the atmospheric column as in-situ data has limitation of coverage.

Progress of IPCC Guidelines (from 2006 version to FOD/SOD) Challenge and Expectation FOD/SOD recognizes that verifying GHG inventories by satellites with inverse models still have technical (and financial) challenges and in the experimental stage. FOD/SOD expects capabilities and a number of observations will be enhanced by future missions. FOD/SOD expects such an enhancement will improve the quality of GHG emission estimates.

Progress of IPCC Guidelines (from FOD to SOD) There are additional sentences and words explaining satellite observation and research outcomes in detail. FOD expects a number of observations will be enhanced and the limitations mentioned in 2006 version will be relaxed. SOD cited the projects and papers which showed potential for estimating or qualifying GHG emissions by satellites. Specific satellites cited are; GOSAT (4) OCO-2 (2) SCIAMACHY (1) SOD also refers current and future missions such as TROPOMI, GOSAT-2, GeoCarb, and TanSat.

Opportunities for Review First Order Draft (FOD) – closed Review period is closed on 11 February 2018. JAXA submitted comments coordinating with CEOS chair. Second Order Draft (SOD) – closed Review period is closed on 9 September 2018. JAXA submitted comments. Final Government Distribution (FGD) Review period is 14 January – 10 March 2019. Only governments may submit comments. SIT-TWS Action: JAXA to coordinate suggested CEOS Agency inputs

Quality Control and Accuracy of GHG Data For operational use of satellite retrieval with inverse model after the IPCC guidelines refinement in 2019, CEOS should play an important role of calibration and validation for current and future missions. Current Missions: GOSAT, OCO-2, Tansat, Feng Yun 3D, Sentinel 5p, Gaofen 5 Future Missions: GOSAT-2, OCO-3, MicroCarb, MERLIN, GeoCarb, Sentinel 5A, 5B, 5C AC-VC also mentioned at SIT-33 that “Rigorous pre-launch and on-orbit measurement calibration and product validation methods that evolve to meet emerging needs” are necessary. These activities will be led WGCV in the collaboration with AC-VC and WGClimate.

GHG Monitoring “System of Systems” Way Forward (Integrated Observation) Better GHG observation network has developed by integrating high temporal resolution data by in-situ observation, vertical data by aircraft observation, and high resolution spatial data by satellite observation.  Aircrafts Mountains Satellites GHG Monitoring “System of Systems” CONTRAIL Project http://www.cger.nies.go.jp/contrail/ Mt. Fuji Sta. @NIES Forest Ground Station Ship Hateruma Sta. @NIES Fuji Hokuroku Sta. @NIES New Century 2 @NIES

Way Forward (Integration with Model) ERTDF 2-1701 “Development of an integrated observation and analysis system for monitoring greenhouse gas sources and sinks” (FY 2017-2019) by NIES, MRI, JAMSTEC, Chiba Univ. Estimating GHG emissions in Asia Evaluation of discrepancies in spatial distribution Inverse modeling Flux upscaling

GOSAT-2 to be launched on 29 October 2018 Way Forward (GOSAT-2) GOSAT-2 to be launched on 29 October 2018