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Table 2 Flux density time and space averages for the whole period 2005–2009

From: Assessing Lagrangian inverse modelling of urban anthropogenic CO2 fluxes using in situ aircraft and ground-based measurements in the Tokyo area

  Prior flux Posterior flux Prior uncert Posterior uncert
Rural 0.82 1.22 0.41 0.41
Urban 14.47 19.46 7.23 5.67
Sea 0.19 0.19 0.02 0.02
≥ 1 mg m−2 s−1 38.84 40.93 19.42 14.80
≥ 0.01 mg m−2 s−1 6.23 8.41 3.06 2.44
All grid 3.82 5.16 1.88 1.50
  1. All values are in micro-mol CO2 m−2 s−1 commonly adopted for CO2 fluxes in the eddy covariance community (1 micro-mol CO2 = 0.044 mg CO2, the corresponding Additional file 6: Table S1 in mg CO2 m−2 s−1 can be found). Space averages are taken in the area defined by the mask