气候变化领域集成服务门户(CCPortal): The regional European atmospheric transport inversion comparison, EUROCOM: First results on European-wide terrestrial carbon fluxes for the period 2006-2015

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DOI	10.5194/acp-20-12063-2020
	The regional European atmospheric transport inversion comparison, EUROCOM: First results on European-wide terrestrial carbon fluxes for the period 2006-2015
	Monteil G.; Broquet G.; Scholze M.; Lang M.; Karstens U.; Gerbig C.; Koch F.-T.; Smith N.E.; Thompson R.L.; Luijkx I.T.; White E.; Meesters A.; Ciais P.; Ganesan A.L.; Manning A.; Mischurow M.; Peters W.; Peylin P.; Tarniewicz J.; Rigby M.; Rödenbeck C.; Vermeulen A.; Walton E.M.
发表日期	2020
ISSN	1680-7316
起始页码	12063
结束页码	12091
卷号	20 期号:20
英文摘要	Atmospheric inversions have been used for the past two decades to derive large-scale constraints on the sources and sinks of CO2 into the atmosphere. The development of dense in situ surface observation networks, such as ICOS in Europe, enables in theory inversions at a resolution close to the country scale in Europe. This has led to the development of many regional inversion systems capable of assimilating these high-resolution data, in Europe and elsewhere. The EUROCOM (European atmospheric transport inversion comparison) project is a collaboration between seven European research institutes, which aims at producing a collective assessment of the net carbon flux between the terrestrial ecosystems and the atmosphere in Europe for the period 2006 2015. It aims in particular at investigating the capacity of the inversions to deliver consistent flux estimates from the country scale up to the continental scale. The project participants were provided with a common database of in situ-observed CO2 concentrations (including the observation sites that are now part of the ICOS network) and were tasked with providing their best estimate of the net terrestrial carbon flux for that period, and for a large domain covering the entire European Union. The inversion systems differ by the transport model, the inversion approach, and the choice of observation and prior constraints, enabling us to widely explore the space of uncertainties. This paper describes the intercomparison protocol and the participating systems, and it presents the first results from a reference set of inversions, at the continental scale and in four large regions. At the continental scale, the regional inversions support the assumption that European ecosystems are a relatively small sink (-0:21 ± 0:2 Pg C yr-1). We find that the convergence of the regional inversions at this scale is not better than that obtained in state-of-the-art global inversions. However, more robust results are obtained for subregions within Europe, and in these areas with dense observational coverage, the objective of delivering robust countryscale flux estimates appears achievable in the near future. © 2020 Author(s).
语种	英语
scopus关键词	atmospheric chemistry; atmospheric transport; carbon dioxide; carbon flux; comparative study; concentration (composition); European Union; source-sink dynamics; Europe
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/247453
作者单位	Dept. of Physical Geography and Ecosystem Science, Lund University, Lund, Sweden; Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL, CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France; ICOS Carbon Portal at Lund University, Lund, Sweden; Max Planck Institute for Biogeochemistry, Jena, Germany; Deutscher Wetterdienst, Meteorologisches Observatorium, FEHP, Hohenpeißenberg, Germany; ICOS Carbon Portal at Wageningen University and Research, Wageningen, Netherlands; NILU - Norsk Institutt for Luftforskning, Kjeller, Norway; Meteorology and Air Quality, Wageningen University and Research, Wageningen, Netherlands; University of Bristol, Bristol, BS8 1TS, United Kingdom; Department of Earth Sciences, Vrije Universiteit Amsterdam, Netherlands; Centre for Isotope Research, University of Groningen, Groningen, Netherlands; ICOS ERIC - Carbon Portal, Lund, Sweden
推荐引用方式 GB/T 7714	Monteil G.,Broquet G.,Scholze M.,et al. The regional European atmospheric transport inversion comparison, EUROCOM: First results on European-wide terrestrial carbon fluxes for the period 2006-2015[J],2020,20(20).
APA	Monteil G..,Broquet G..,Scholze M..,Lang M..,Karstens U..,...&Walton E.M..(2020).The regional European atmospheric transport inversion comparison, EUROCOM: First results on European-wide terrestrial carbon fluxes for the period 2006-2015.ATMOSPHERIC CHEMISTRY AND PHYSICS,20(20).
MLA	Monteil G.,et al."The regional European atmospheric transport inversion comparison, EUROCOM: First results on European-wide terrestrial carbon fluxes for the period 2006-2015".ATMOSPHERIC CHEMISTRY AND PHYSICS 20.20(2020).