Bridging the gap between atmospheric concentrations and local ecosystem measurements

T. Lauvaux, B. Gioli, C. Sarrat, P.J. Rayner, P. Ciais, F. Chevallier, J. Noilhan, F. Miglietta, Y. Brunet, E. Ceschia, H. Dolman, J.A. Elbers, C. Gerbig, R.W.A. Hutjes, N. Jarosz, D. Legain, M. Uliasz

Research output: Contribution to journalArticleAcademicpeer-review

32 Citations (Scopus)

Abstract

This paper demonstrates that atmospheric inversions of CO2 are a reliable tool for estimating regional fluxes. We compare results of an inversion over 18 days and a 300 × 300 km2 domain in southwest France against independent measurements of fluxes from aircraft and towers. The inversion used concentration measurements from 2 towers while the independent data included 27 aircraft transects and 5 flux towers. The inversion reduces the mismatch between prior and independent fluxes, improving both spatial and temporal structures. The present mesoscale atmospheric inversion improves by 30% the CO2 fluxes over distances of few hundreds of km around the atmospheric measurement locations
Original languageEnglish
Article numberL19809
Number of pages5
JournalGeophysical Research Letters
Volume36
DOIs
Publication statusPublished - 2009

Keywords

  • carbon dioxide
  • concentration
  • measurement techniques
  • atmosphere
  • co2 sources
  • models
  • simulations

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