Bridging the gap between atmospheric concentrations and local ecosystem measurements

Details Bridging the gap between atmospheric concentrations and local ecosystem measurements Bridging the gap between atmospheric concentrations and local ecosystem measurements

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3619809l&link_type=abstract

Geophysical Research Letters, Volume 36, Issue 19, CiteID L19809

Physics

9

Biogeosciences: Biosphere/Atmosphere Interactions (0315), Biogeosciences: Biogeochemical Cycles, Processes, And Modeling (0412, 0793, 1615, 4805, 4912), Atmospheric Composition And Structure: Biosphere/Atmosphere Interactions (0426, 1610), Biogeosciences: Carbon Cycling (4806), Atmospheric Processes: Mesoscale Meteorology

Scientific paper

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.

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