CEOS Development Environment

WGCV-56

Event Dates: April 21st - 22nd, 2026

USGS Earth Resources Observation and Science (EROS) Center, Sioux Falls, South Dakota, USA

Agenda (PDF | DOCXvisit pages 11-13 & 18-21 for the WGCV-56 agenda

Presentations

Session W1: Opening

W1.1: Action Updates

Session W2: Subgroup Reports

W2.1: Microwave Sensors (MSSG)
W2.2: Synthetic Aperture Radar (SAR)
W2.3: Atmospheric Composition (ACSG)
W2.4: Infrared Visible Optical Sensors (IVOS)
W2.5: Terrain Mapping (TMSG)
W2.6: Land Product Validation (LPV)

Session W3: FRM Assessment Framework

W3.1: FRM Assessment Framework Update
W3.2: Discussion and feedback from FRM producers (HYPERNETS, USGS)

Session W4: WGCV Collaboration Updates

W4.1: WGCV Calibration Network Updates
W4.2: GSICS Coordination
W4.3: GSICS Lunar Calibration Workshop Announcement
W4.4: Outcomes from ESA’s Gobabeb Science and Cal/Val Activities Workshop

Session W5: GHG Cal/Val

W5.1: GHG Cal/Val Updates
W5.2: GHG Network Updates
W5.3: OCO-2 Calibration: Successes & Surprises

Session W6: Agency Cal/Val Reports

W6.1: GISTDA
W6.2: ASI
W6.3: JAXA
W6.4: USGS
W6.5: GA
W6.6: ESA
W6.7: ISRO

Session W7: Uncertainty

W7.1: SatVu Uncertainty Budget Overview
W7.2: Outcomes from 2026 Uncertainty Workshop
W7.3: Discussion: Expressing Uncertainty Information
W7.4: Discussion: Measurand Definition
W7.5: CEOS-ARD Discussion

Session W8: WGCV Initiatives Updates

W8.1: SITSat Task Team Update
W8.2: Pre-flight Calibration Workshop Guidelines
W8.3: Cal/Val Portal Update

Session W9: Closing

W9.1: 2027–2028 WGCV Vice Chair Nominations
W9.2: Review of WGCV-56 Actions
W9.3: Plans for WGCV-57 Meeting

For the Joint WGCV-56 / LSI-VC-19 Meeting, visit https://ceos.org/meetings/wgcv-56-lsi-vc-19/