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CH 4 Synoptic variability: biomass burning + transport. CH 4 [ppb] at the surface. CH 4 [ppb] at 500 hPa. 1830 1835 1840 1845 1850 1855 1860. 1840 1850 1860 1870 1880 1890. CH 4 Synoptic variability: biomass burning + transport.

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ch 4 synoptic variability biomass burning transport
CH4 Synoptic variability: biomass burning + transport

CH4 [ppb] at the surface

CH4 [ppb] at 500 hPa

1830 1835 1840 1845 1850 1855 1860

1840 1850 1860 1870 1880 1890

ch 4 synoptic variability biomass burning transport1
CH4 Synoptic variability: biomass burning + transport

CH4 [ppb] at 500 hPa

Other CH4 emissions

CH4 fire emissions

1830 1835 1840 1845 1850 1855 1860 1920

-10 -5 -1 -0.1 -0.01 -0.005 [μmole m-2 s-1]

Wildfire emissions (GFAS)

ch 4 synoptic variability biomass burning transport2
CH4 Synoptic variability: biomass burning+transport

Wildfire radiative power (GFAS)

9 July 2013 12 UTC

real time ch 4 forecast
Real time CH4forecast

SURFACE FLUXES

TRANSPORT

  • High resolution IFS (16km, L137)
  • Free-running atmospheric CH4
  • Forecast initialized daily (00 UTC) with op. ECMWF meteorological analysis
  • 2008 anthropogenic emissions : EDGARv4.2
  • (Janssens-Maenhout et al. 2012)
  • Ocean climatology (Houwelinget al., 1999)
  • Wetland emissions climatology (Kaplan)
  • Soil sink ( Ridgwellet al., 1999)
  • Termites (Sanderson et al., 1996)
  • Wild animals (Houweling et al., 1999)
  • Near-real-time GFAS biomass burning
  • (MACC, Kaiser et al. 2011)

Monitoring with ICOS observations

1-day behind real time

5-day FC of 3-D global fields

Mace Head (western coast of Ireland)

FORECASTOBS

[ppb]

1830

1860

1835

Quebec

fires

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