The 3rd ICOS Science Conference BOOK OF ABSTRACTS Contents ICOS in Short ..................................................................................................................................................................... 2 Presentation of key note and plenary speakers .......................................................................................................... 3 Plenary Speakers .............................................................................................................................................................. 7 Abstracts of the key note and plenary speakers* ...................................................................................................... 11 Abstracts in Parallel Sessions ....................................................................................................................................... 19 Oral Presentations for Session 1: Climate change mitigation – closing the gap between science, inventories and policy making .......................................................................................................................................................... 19 Posters for Session 1: Climate change mitigation – closing the gap between science, inventories and policy making ............................................................................................................................................................................. 22 ICOS works towards harmonised and societally relevant data and services ......................................................... 22 Oral Presentations for Session 2: From data to useful services with societal meaning ...................................... 26 Posters for Session 2: From data to useful services with societal meaning .......................................................... 29 Oral Presentations for Session 3: Major research questions in Earth Observations ............................................ 32 Posters for Session 3: Major research questions in Earth Observations ................................................................ 35 Oral Presentations for Session 4: Globally integrative studies ................................................................................ 37 Posters for Session 4: Globally integrative studies .................................................................................................... 40 Oral Presentations for Session 5: Data management and quality ........................................................................... 48 Posters for Session 5: Data management and quality .............................................................................................. 50 Oral Presentations for Session 6: Regional efforts to constrain the global C cycle .............................................. 55 Posters for Session 6: Regional efforts to constrain the global C cycle ................................................................. 58 Oral Presentations for Session 7: Reactive gases ...................................................................................................... 63 Posters for Session 7: Reactive gases .......................................................................................................................... 67 Oral Presentations for Session 8: Newest new in research – scientific and technical developments ................ 70 Posters for Session 8: Newest new in research – scientific and technical developments .................................... 73 Oral Presentations for Session 9: Land sink – from residual to direct estimates ................................................. 84 Posters for Session 9: Land sink – from residual to direct estimates ..................................................................... 87 Oral Presentations for Session 10: Decadal variability in biogeochemical cycles................................................. 97 Posters for Session 10: Decadal variability in biogeochemical cycles .................................................................. 100 Oral Presentations for Session 11: The identity and societal impact of a researcher within ICOS ................... 103 Oral Presentations for Session 13: Bridging the gap between bottom-up and top-down methods................ 105 Posters for Session 13: Bridging the gap between bottom-up and top-down methods ................................... 108 Oral Presentations for Session 14: Urban greenhouse gas budget – from novel monitoring networks to source identification ....................................................................................................................................................116 Posters for Session 14: Urban Greenhouse Gas budget – from novel monitoring networks to source identification. ................................................................................................................................................................120 Oral Presentations for Session 15: In-situ and remote sensing observations .................................................... 129 Posters for Session 15: In-situ and remote sensing observations ........................................................................ 133 ICOS RI presentations ..................................................................................................................................................146 1 ICOS in Short The Integrated Carbon Observation System, ICOS is a distributed European-wide research infrastructure producing high-precision data on greenhouse gas concentrations in the atmosphere, as well as on carbon fluxes between the atmosphere, earth and oceans. This is important because globally the amount of greenhouse gases in the atmosphere rises constantly, causing the climate change. The greenhouse gases flux between the ecosystems, atmosphere and oceans, and are transported in the atmosphere even thousands of kilometres, for example, from densely populated areas to the arctic. ICOS provides standardised and open data from over 130 measurement stations across 12 European countries. ICOS data is used by scientists who seek to understand this Earth System and by various governmental bodies and international organisations that need science-based and relevant information on greenhouse gases in their decision making, and in efforts to mitigate the consequences of climate change. ICOS consists of more than 500 scientists, who participate in ICOS related work and operations. These scientists, both in the current member countries and beyond, form the ICOS community. They design, build and operate ICOS stations, but even more importantly, process and use the ICOS data while fitting complex models on it. They publish scientific papers, participate in workshops and conferences, and develop new measurement methods. The community, as ICOS itself, has three fields; ecosystem, atmosphere, and ocean. Each of these also has strong connections to colleagues and operators outside ICOS. At the moment ICOS community includes over 70 scientific organisations, renown universities or institutes - many of which are leaders in their fields. The biannual ICOS Science Conference gathers more than 300 scientists to discuss the scientific topics around greenhouse gas measurement and climate change. The themes of the conference vary from purely scientific sessions to ones related to the Paris Agreement and other policy making. 2 Presentation of key note and plenary speakers Giacomo Grassi Giacomo Grassi has been acting as a Senior Scientific Officer at the Joint Research Centre (JRC) of the European Commission since 2005. Dr Grassi holds a PhD in Forest Ecology. He also leads the group on ‘Land Use, Land Use Change and Forestry’ (LULUCF) within the Directorate on Sustainable Resources, which is dealing with the estimation of CO2 fluxes from managed terrestrial ecosystems – mainly forests – and their reporting to the UN Framework Convention on Climate Change (UNFCCC). Dr Grassi is focused on coordinating the LULUCF sector of the EU greenhouse gas inventory and the modeling of forest carbon dynamics at EU level using the Carbon Budget Model. He provides scientific support in the design of policies at EU level (e.g. the forest reference levels under the post-2020 LULUCF Regulation) and under the Paris Agreement. Dr Grassi is an expert reviewer of LULUCF GHG inventories for the UNFCCC and a lead author of several IPCC reports, such as “2013 Supplementary Guidance under the Kyoto Protocol”, “Methodological Refinement of the 2006 Guidelines for GHG inventories” and “Special Report on Climate Change and Land”. He has published 50 papers in peer-reviewed journals, mostly focused on the carbon balance and the mitigation potential of forest ecosystems. Giacomo Grassi gives a keynote on Tue 11th Sep on “Bridging gaps between policy-making and science: the case of forest GHG estimates”. Joanna Post Joanna Post has been working with the United Nations Framework Convention on Climate Change (UNFCCC) secretariat since 2014. Since 2015 she has been based in the Science and Review Unit of the Adaptation Programme where she supports negotiations under the UNFCCC and its Paris Agreement on research and systematic observation. She is a programme officer working on issues related to Earth observation, research, climate services and developing dialogue at the science/policy interface. She is also the thematic focal point on oceans and adaptation. Prior to joining the secretariat, Dr. Post managed a number of