Carbon Actions for WGCV K Thome NASA WGCV

Carbon Actions for WGCV K. Thome NASA WGCV Plenary # 44 EUMETSAT, Darmstadt, Germany August 28 -31, 2018 Working Group on Calibration and Validation

Carbon Actions for WGCV-44 Reminder that many of our LPV-related carbon actions are related to the CEOS Work Plan CARB-16: Cal/Val and production of biomass products from CEOS missions • Q 4 2019 That action has fed to an additional CEOS Work Plan item CV-19: Biomass validation Q 2 protocols 2020 • Development of a coordinated cal/val NASA strategy across NASA and ESA biomass ESA missions that rationalizes protocols, data sharing, and the establishment of groundbased carbon super-sites Development of an initial set of guidance for validation of biomass products using near-term missions such as NISAR, GEDI, and BIOMASS WGCV And there is still CV-18 related to GHGs that ACSG is taking lead Working Group on Calibration and Validation 2

Carbon Actions for WGCV-44 Start with a possible closure item first WGCV-CA- Develop an inventory of existing CARBON-26 17 protocols and definitions for products, CARBON-27 validation, and intercomparisons and collate those publications from WGCV members documenting the traceability and protocols of satellite data uncertainty assessment. • COULD BE FEASIBLE TO CLOSE THIS ACTION Discuss within WGCV 44 to determine whether current LPV web site for LAI and LST is sufficient for this action Will be closed at end of WGCV 44 Working Group on Calibration and Validation 3

Carbon Actions for WGCV-44 CV-19 also covers several of WGCV Carbon Actions • • • # These were discussed in some detail during the July 24 telecon Key outcome is that clarifications are needed on many of the Biomass actions Additionally, many should wait until the end of the year after a draft protocol will be available Description WGCV-CA- Identify those CEOS entities and members 05 of carbon user community already supported by WGCV’s development of traceable validation information. Relevant carbon actions CARBON-31 Assignees Due Date ACSG, LPV, Biomass actions and IVOS pending activities Chairs related to draft biomass protocols under development within LPV ACSG, LPV, WGCV-43 and IVOS Chairs WGCV-CA- Document list of relevant in situ reference CARBON-07 11 data sets (to be clarified) and networks for CARBON-09 carbon variables covered by WGCV highlighting those sites suitable for automatic subsetting of satellite sensor Working Group on Calibration and Validation data 4

Carbon Actions for WGCV-44 WGCV Carbon Actions related to the biomass work plan items # Description Relevant carbon actions WGCV-CA- Provide WGISS with LPV validation framework CARBON-27 06 for advice on adherence to CEOS data protocols of WGCV standardized, documented, traceable validations. WGCV-CA- Recommend approach for coordinating inputs CARBON-14 09 from multiple organizations to develop CARBON-22 definitions for products, validation success, etc. that are suitable across the range of WGs and VCs based on the process developed for LAI, where a common definition was accepted by GCOS, GTOS and CEOS. Assignees Due Date Should already exist for LAI Process Straightforwa Generalized rd solution version of through a the LAI chart package method for defining protocols and writing document WGCV-CA- Document process used for current selection CARBON-32 13 of LPV supersite selection (serving for multiple variables) and validation sites specific to single variables for automated subsetting Working Group on Calibration and Validation 5

Carbon Actions for WGCV-44 WGCV Carbon Actions related to the biomass work plan items # Description Relevant carbon actions WGCV-CA- Develop protocols for selecting variable 19 specific validation sites and validation super sites Assignees CARBON-38 WGCV-CA- Identify a list of candidate products to be CARBON-32 23 used for development of protocols/benchmarks for maturity matrix. WGCV-CA Identify and select a specific Carbon variable CARBON-07 -26 as a means to evaluate the suitability of test sites for validating the variable. Due Date Should follow naturally form WGCV -CA-09 ACSG, LPV, and IVOS Chairs ACSG activities on GHG will cover this naturally Could be an LPV or AGCSG related activity Working Group on Calibration and Validation 6

Carbon Actions for WGCV-44 Additional actions were assigned at WGCV-42 to lead toward significant progress on the Carbon Strategy Actions while others were those that included collaboration with other CEOS entities # Description WGCV-CA- Collaborate with WGISS to determine the 24 list of those current data products for which subsets are automatically derived for intercomparison activities Relevant Assignees carbon actions Due Date CARBON-33 Pending activities with WGISS based on joint WGISS/WGCV actions from WGCV-43 Can rely on LPCS as example USGS (Stensaas) and NASA (Roman) Working Group on Calibration and Validation 7

Carbon Actions for WGCV-44 WGCV-CA- Identify WGCV representatives to CARBON- WG-Climate is 03 participate in SIT-related carbon meetings. 38 caring abou the Carbon actions • Discuss at WGCV-44 to determine what CEOS meetings make most sense and whether DLR activities within WG-Climate meet this role Agreed that WGCV member attendance at WG-Climate meetings satisfies the above action WGCV-CA- Provide SIT with methods to assign 07 digital object identifiers (DOI’s) to intecomparison exercises. CARBON-27 Determine an approach to gain closure of this quickly. Use ACIX report as a means to propose a protocol for DOI assignment. An excellent way to get DOI assignment is through require peer review 8 Working Group on Calibration and Validation

Carbon Actions for WGCV-44 # Description WGCV-CA- Define approaches for intercomparison of 28 satellite products and in situ validation of Carbon products based on current LPV activities related to exercises for LAI, FAPAR and soil moisture. WGCV-CA- Identify key Level 1 and 2 carbon data 21 products, carbon time series products, and ocean carbon-relevant products that are related to WGCV noting their associated WG/VC (if applicable) and assigning the products to the most relevant WGCV Subgroup and noting availability of Level 1 ATBDs for key Level 2 products. Provide the results of study to SIT Relevant carbon actions Assignees Due Date CARBON-22 CARBON-33 LPV vice chair WGCV-43 CARBON-05 CARBON-07 CARBON-14 CARBON-26 CARBON-34 WGCV and IVOS chairs Pending splinter meeting at WGCV 44 between IVOS Chair and WGCV Chairs Working Group on Calibration and Validation 9

Carbon Actions for WGCV-44 Longer term • Some of the remaining actions include those that are collaborative with other CEOS entities WGCV-CA- Identify WGCV representatives to work with 04 WGISS to identify joint Carbon workshop opportunities. WGCV-CA- Determine appropriate methodology for 10 treating validation of ocean-carbon relevant products within WGCV organizational framework. CARBON-38 CARBON-14 Need to determine whether this is a WGCV or subgroup person And whether it can be paired with existing meetings Concrete path forward should result from efforts on CA 21 Working Group on Calibration and Validation 10

Carbon Actions for WGCV-44 Longer term • # Remaining items have broader areas of applicability and includes those have relevance to ARD and interoperability in general Description Relevant Assignees carbon actions WGCV-CA- Develop list of completed and planned CARBON-27 01 intercomparison excercises relevant to Carbon Plan WGCV-CA- Develop draft recommendation of terminology CARBON-22 08 related to uncertainty measures (e. g. temporal and spatial characterization of uncertainty measures) Due Date Sooner is better than later and it can be readily updated if this is done via the website Fits within site definition discussion and draft terminology should be straightforward 11 Working Group on Calibration and Validation

Carbon Actions for WGCV-44 # Description Relevant Assignees carbon actions WGCV-CA- Document approach to ensure CARBON-07 12 updating of reference data as time series expand, including collaboration with in situ networks for the validation of carbon variables to ensure temporal continuity and addressing spatial gaps in in-situ networks LPV Supersite selection process at Validation Stage 4 is an approach Due Date Requires clarification of meaning of "reference data. " LPV activities currently address this for data products in general Working Group on Calibration and Validation 12

Carbon Actions for WGCV-44 # Description WGCV-CA- Determine best method to distribute 14 the methodologies and criteria for globally representative site selection documented in the framework of the BELMANIP validation data set for LAI, and recently in a EUMETSAT project (ALBEDOVAL 2) for albedo validation WGCV-CA- Develop list of projects making use of 16 maturity matrix metrics (for example: European Commission CORE-CLIMAX, QA 4 ECV projects) to identify possible adaptations to Carbon actions. Relevant Assignees carbon actions Due Date CARBON-32 Web-based distribution approaches and/or peer review through LPV or WGCV sites CARBON-32 Should be straightforward Working Group on Calibration and Validation 13

Carbon Actions for WGCV-44 # Description Relevant carbon actions WGCV-CA- Develop draft list of ancillary data 29 dependencies needed to ensure consistency across individual products and variables for datasets relevant to carbon cycle community needs (e. g. , land cover, aerosol, cloud, DEM, reanalysis products, etc. ) WGCV-CA- Provide list of validation data providers 30 that met each of the LAI required data quality metrics. Assignees Due Date CARBON-26 Goal of this action is at the basic level. Can be expanded later but should be closed prior to expansion of effort CARBON-32 Should be sgtraightforward Working Group on Calibration and Validation 14

Carbon Actions for WGCV-44 2018 CEOS Work Plan related actions for GHGs • • WGCV CEOS Work Plan item for GHGs is also related to other WGCV Carbon Actions WGCV-CA-20 will be addressed through the ACSG efforts discussed during WGCV-44 and as part of the ACSG reorganization WGCV-CA- Develop protocols for intercomparison of a CARBON-05 20 selected carbon time series data product produced from multiple sensors as a test bed for protocol development for broader range of data products including backward compatibility of reference data Discuss within WGCV-44 to determine best approach in collaboration with AC-VC, WGCV, and ACSG Working Group on Calibration and Validation 15

Carbon Actions for WGCV-44 2018 CEOS Work Plan related actions for GHGs • • WGCV CEOS Work Plan item for GHGs is also related to other WGCV Carbon Actions Two actions are lagging in completion related to the work plan item but will receive appropriate attention based on discussions at WGCV-44 WGCV-CA- Identify sensors providing time series carbon 15 products, especially those part of the AC-VC for providing CO 2 and CH 4 products. WGCV-CA- Develop list of reference standards for CO 2 27 and CH 4 products that are suitable for intercomparison WGCV-CA- Validate a selected time series product using 25 protocols developed for intercomparison of the product produced from multiple sensors CARBON-05 ACSG chairs CARBON-20 WGCV-43 CARBON-20 Kuze and ACSG chairs WGCV-43 CARBON-05 Will work with ACSG to define a possible path forward on this action Working Group on Calibration and Validation 16