1. WGCV Chair’s Report K. Thome NASA/GSFC WGCV 42
Sioux Falls, South Dakota
May 16-19, 2017

2. Outline
From WGCV-41 to WGCV-42
Activities
SIT meeting

3. Timeline from WGCV-41 Sept. 5-7, 2016 WGCV plenary # 41 in Tokyo
Sept. 7-9, 2016 SAR Sub-group Workshop in Tokyo
Sept , 2016 SIT Workshop in Oxford
Oct. 31 – Nov. 2 CEOS Plenary in Brisbane
IVOS Subgroup March 13-17, Tucson, Arizona
LSI-VC and MRI Framework March 20-22, Frascati
WGISS April 3-7, Annapolis, Maryland
ACIX task team April in Frascati
CEOS SIT April in Paris

4. Other activities Met with CEOS Chair team April 18 in Sioux Falls
Finalized WGCV Terms of Reference
WGCV work plan provided to the CEOS Chair
Inputs to monthly CEOS SEC meeting / telecon
Participation in LSI-VC
February telecon with CEOS SIT
CEOS Newsletter input

5. Activities reported to SIT-32
WGCV/LSI-VC collaboration being formalized through teleconferences and inclusion of LSI at WGCV-42
WGCV is working with CEOS Chair team on interoperability for moderate resolution sensors including Vice-Chair’s participation in formulation team
Interaction with GSICS continues to strengthen
WGCV chair attending GSICS Executive Panel Meetings/GSICS
GSICS/GRWG attending WGCV Plenary
Joint activities, such as GSICS/CEOS Reference Solar Spectrum study
Subgroups are interacting at the working level
Combined meetings (MWSG, ACSG)
Attendance at each other’s meetings (IVOS)
Atmospheric Correction Inter-comparison (ACIX) Task team is compiling results from 12 atmospheric correction model packages that are part of the comparison
2nd Workshop held April 11-12
Results will be presented at WGCV-42.

6. Activities reported to SIT-32
LPV subgroup is working closely with NASA HQ to address Carbon Actions related to biomass
Addressing Carbon Actions
LPV & WGCV Secretariat taking lead on initial set of 3 WGCV-assigned actions
Further actions will be assigned at WGCV-42
RadCalNet* beta testing concluded with a workshop at the IVOS Subgroup meeting on March 13
Dates and places of forthcoming meetings
WGCV 42, May 16-18, Sioux Falls, South Dakota, hosted by EROS Data/USGS

7. Activities reported to SIT-32
2017 CEOS Work Plan includes CARB-19 to be completed by Q4 2017, related to listing of land product validations by summarizing current list of validated land data products relevant to Carbon Strategy, documenting validation framework and protocols, and providing guidance for online platform for inter-comparison of terrestrial carbon products
LPV has taken the lead on this activity
Completion of this activity will lead to recommending that Carbon Action #8 would be closed and significant progress on five other Carbon Actions
Completion dates for CV-1 (Update of WGCV web site); CV-3 (Preflight calibration workshop); CV-9 (RadCalNet) have been modified and there are no issues expected in completing actions
Progress continues on CV-13 related to ACIX and CV-14 related to cloud masking
WGCV provided two new actions:
CV-15: L1 top-of-atmosphere interoperability – due Q4 2017
CV-16: Report on outcomes from GSICS/CEOS reference Solar Spectrum evaluation