AC-VC-22 / ACSG Joint Meeting 2026

Event Dates: June 1st - 4th, 2026

Location: SRON, Leiden, The Netherlands

Co-hosted by SRON and ESA

Agenda: PDF

Meeting Summary: PDF

Presentations:

1.1 Whitepaper status of Geo AC Constellation: Towards Global Coverage Ali Omar (NASA), Emma Knowland (NASA)

1.2 Fire emissions in the SH, Aihua Zhu (NOAA)

1.3 Satellite observations of dust and smoke in the SH, Pubu Ciren (NOAA)

1.4 Dust effects and the impact of geo measurements on their forecasting, Sara Basart (WMO/GAW)

1.5 Investigating atmospheric chemistry on the African continent: need for a GEO perspective, Pieternel Levelt (NCAR)

1.6 AQ at high latitudes observed from inclined GEO/HEO, Ray Nassar (ECCC)

1.7 Benefits of GEO observations for public health, Omar Nawaz (Cardiff University)

2.2 GOME-2 TCWV, Luca Lelli (DLR)

2.3 GEMS TCWV, Hyeji Cha (Yonsei University)

2.4 TROPOMI/S5P TCWV, Diego Loyola (DLR)

2.5 TROPOMI H2O/HDO, Tobias Borsdorff (SRON)

2.6 OMI and TEMPO TCWV, Gonzalo Gonzalez, Huiqun Wang (SAO)

2.7 Sentinel-4 and Sentinel-5 TCWV, Luca Lelli (DLR)

3.1 GEMS mission status, Jhoon Kim (Yonsei University)

3.2 TEMPO mission status, Xiong Liu (Harvard, CFA)

3.3 S5P mission status, Timon Hummel (ESA)

3.4 Status FengYun satellites, Zhao-Cheng Zeng (PKU)

3.5 JPSS mission update, Satya Kalluri (NOAA)

3.6 SPEX1/PACE update, Otto Hasekamp (SRON)

3.7 GeoXO mission update, Shobha Kondragunta (NOAA)

3.8 GEMS-2 mission preparation, Wonjin Lee (NIER)

3.9 MetOp-SG/IASI-NG & MTG-IRS, Cathy Clerbaux (LATMOS/CNRS)

3.10 Sentinel-4 mission status, Ben Veihelmann (ESA)

3.11 Sentinel-4 first impressions mission data, Diego Loyola (DLR)

3.12 Sentinel-5 mission status, Rasmus Lindstrot (EUMETSAT)

3.13 Sentinel-5 first impressions mission data, Richard Siddans (RAL)

3.14 S5P/TROPOMI highlights and synergies with the GEO Constellation, Pepijn Veefkind (KNMI)

3.15 PEGASOS project, Ronny Lutz (DLR)

3.16 Multi-mission aerosol and surface characterization, Pavel Litvinov (GRASP)

3.17 Synergy of instruments on MetOp-SG, Rasmus Lindstrot (EUMETSAT)

3.18 Urban NOx emissions from TEMPO, Shobha Kondragunta (NOAA)

3.20 ASIA-AQ campaign, Jinkyul Choi (JPL)

3.21 Aerosol Layer Height validation, Jim Szykman (EPA), Ruben Delgado (Hampton University)

3.22 GEMS validation activities, Wonjin Lee (NIER)

3.24 Uptake of new mission data in CAMS, Antje Inness (ECMWF)

3.25 Top-down estimation of NOx emissions, Daven Henze (UC Boulder)

3.26 Uptake of tropospheric O3 and precursors in MOMO-Chem, Miyazaki Kazuyuki (JPL)

4.1 Welcome and session opening, Jean-Christopher Lambert (BIRA-IASB)

4.2 CEOS WG on Calibration and Validation updates, Cody Anderson (USGS), Medhavy Thankappan (GA)

4.3 Atmospheric composition Cal/Val updates, Jean-Christopher Lambert (BIRA-IASB)

4.4 Vicarious calibration for SWIR-NIR sounders, Hiroshi Suto (JAXA)

4.5 Vicarious calibration for UV-Vis-NIR sounders, Melanie Coldewey-Egbers (DLR)

4.6 Calibration networks: RadCalNet, Marc Bouvet (ESA), Nigel Fox (NPL)

4.7 Calibration networks: HYPERNETS, Kevin Rudick (RBINS)

4.8 CEOS FRMsat, Nigel Fox (NPL), Yolanda Shea (NASA-LaRC)

4.9 GSICS updates, Larry Flynn (NOAA), Rasmus Lindstrot (EUMETSAT)

4.11 CEOS-FRM maturity assessment framework & tool v2, Paolo Castracane (ESA/STARION)

4.12 CEOS-FRM assessments for atmospheric composition, Jean-Christopher Lambert (BIRA-IASB)

4.14 Validation of volcanic SO2, Thomas Wagner (MPI-C)

4.15 HR & New Space: ATM-MPC CCM & VH-RODA experiences, Angelika Dehn (ESA)

4.16 Review of GEO-AQ Validation Needs whitepaper recommendations + suggested topics: Cal/Val supersite concept(s), operational validation capacity, All

5.1 LSI-VC remarks, Doug Morton (NASA), Mark de Jong (NRCan)

5.2 Fire and smoke related activities at EUMETSAT, Bertrand Fougnie (EUMETSAT)

5.3 Fire and smoke related activities at NASA, Ian Brosnan (NASA)

5.4 NOAA Wildland Fire Program, Mike Pavolonis (NOAA)

5.5 Analysis of LA fires, Fangjun Li (South Dakota State University)

5.6 Toxicity from burning structures, Joost de Gouw (University of Colorado)

5.7 Smoke exposure hazards from wildfires, Amy Huff (NOAA)

5.8 Smoke and health impacts, Daniel Tong (GMU)

5.9 Using satellite data for exceptional events monitoring, Joel Dreessen (MDE)

5.10 Preparing communities for smoke exposure, Sara Basart (WMO)

5.11 Using TEMPO NO2 to validate fire emissions, Fangjun Li (South Dakota State University)

5.12 Smoke detection from UV sensors, Pubu Ciren (NOAA)

5.13 EarthCARE observations of smoke, Gerd-Jan van Zadelhoff (KNMI)

5.14 BBURNED, Mark Parrington (ECMWF)

5.15 Smoke height relevance, Brian McDonald (NOAA)

5.16 Need for fire phase information, Jun Wang (University of Iowa)

5.17 Bringing QFED into VIIRS Era, Allie Collow (NASA)

6.1 Welcome and session opening, Charles Miller (NASA)

6.2 Review of GHG Constellation – overview, Yasjka Meijer (ESA)

6.3 GOSAT series (1, 2 and GW) update, Hiroshi Tanimoto (NIES)

6.4 Update on US missions (OCO-2/3, EMIT), Charles Miller (NASA)

6.5 Update on Chinese missions, Dongxu Yang (CAS)

6.6 Sentinel-5 Precursor, Jit Mandal (SRON)

6.7 Sentinel-5 GHG products, Jochen Landgraf (SRON)

6.8 MicroCarb update, Carole Deniel (CNES) or Denis Jouglet (CNES)

6.9 CO2M update, Yasjka Meijer (ESA), Ruediger Lang (EUMETSAT)

6.10 Korean greenhouse gas microsatellite constellation, Hyejung Shin (ESC, NIER)

6.12 TANGO, Jochen Landgraf (SRON)

6.13 MERLIN, Diego Loyola (DLR)

6.14 CO2Image, Diego Loyola (DLR), Julia Marshall (DLR)

6.15 Validation of atmospheric GHGs over the ocean, Yasjka Meijer (ESA)

6.16 CO2M validation network update, Rüdiger Lang (EUMETSAT)

6.17 Space-based data requirements for G3W, Rüdiger Lang (EUMETSAT)

6.18 Common/good/best Practices for facility scale CH4 emission estimation, Paul Green (NPL)

6.19 Engagement with IMEO, Yasjka Meijer (ESA)

6.20 Tip-and-cue GOSAT-GW target mode observations, Hiroshi Tanimoto (NIES)

6.21 Tip-and-cue system for methane observations, Yasjka Meijer (ESA)

6.22 Mission (dis-)continuity impact, AC-VC GHG leads

6.23 Updates from the ESA Methane Emissions Detection Using Satellites Assessment (MEDUSA) project, Bram Maasakkers (SRON)

6.24 Calibration for GOSAT/GOSAT-2, Kei Shiomi (JAXA)

6.25 Algorithms for intercomparison: GOSAT XCO2 retrievals, Dave Crisp (Crisp Spectra), Chris O’Dell (University of Colorado)

6.26 CO2 synergy product from S5 + 3MI, Marcos Herreras (GRASP)