1st CIPM STG-CENV • Stakeholder meeting • 16-18 September 2024 • BIPM • Sèvres (France)

Meeting organization

Theme 1: Metrology in support of the physical science basis of climate change and climate Observations

Code Topic Co-chair 1 Co-chair 2

Atmosphere Physics and Chemistry

Betsy Weatherhead
Fabio Madonna

Oceans and Hydrology

George Petihakis
Johannes Karstensen

Earth Energy Balance

Laurent Vuilleumier
Thorsten Fehr

Biosphere Monitoring

Julia Marrs
Rubén Urraca

Cryosphere Monitoring

Emma Woolliams
Filomena Catapano

Cross-cutting issues

Dolores del Campo


Emma Woolliams
Fabio Madonna

Theme 1: recommendations






Theme 2: Metrology as an integral component of operational systems to estimate greenhouse gas emissions based on accurate measurements and analyses

Code Topic Co-chair 1 Co-chair 2

Accuracy requirements for atmospheric composition measurements across economic sectors, and temporal and spatial scales

Robert Wielgosz
Sergi Moreno Valero

State of play in integrated approaches for advanced GHG emission estimates and the way forward to operational services.

Leonard Rivier
Phil de Cola

Novel GHG concentration and flux methods and sensors

Hong Lin
Kevin Cossel

Strengthening the linkage of remote sensing GHG concentration measurements to emission fluxes

Richard Barker
Annmarie Eldering

Emerging Metrology Issues (Oceans, CCUS, CDR, Agricultural Emissions…)

Maribel Garcia-Ibañez
Pamela Chu

Chairs and co-chairs

George Petihakis

Research Director at HCMR/Institute of Oceanography
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George Petihakis, is a Research Director at HCMR/Institute of Oceanography with 30 years of experience on operational oceanography with particular emphasis on marine ecological modelling, marine observations, and data analysis. During this period, he has been involved as coordinator, principal investigator and researcher, in 50 EU and national projects. He has 82 published papers in peer reviewed journals, 39 publications in books and scientific series, 32 invited talks and 127 publications in conference proceedings. He is the head for the observation component of the POSEIDON monitoring, forecasting and information system for the Greek Seas and the HCMR delegate at EuroGOOS. During the period 2015-2021 he was elected as a member of the EuroGOOS Executive Board of Directors, holding the positions of Vice-Chair (2015-2018) and Chair (2018-2021). He is a deputy delegate at the European Marine Board (2018 – today) and since 2016, he is a member of European Ocean Observing System (EOOS) Steering Group and one of the two Greek delegates at the JPI Oceans management board. He is the regional facility (Hellenic Arc) leader at EMSO-ERIC. Moreover, since 2022 he is Co-Chair of the IOC Ocean Best Practices System.