Ch 4 synoptic variability biomass burning transport
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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

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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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