Wageningen University
& ICOS Netherlands


Ecoregion Flux Time Series
 
Region    
  

Time series of the exchange calculated with CarbonTracker Europe aggregated over specific ecoregions. The title reflects aggregates (denoted by the regions in brackets) areas defined in the documentation and are shown on this map. The boxes show the annual balance of biospheric and oceanic carbon exchange, as well as carbon release by fossil fuel burning and fires. The vertical lines show the one-sigma uncertainty (68% confidence interval) after the assimilation. These are calculated from the posterior covariance matrices, disregarding its temporal structure. All units are TgC/yr.
The labels denote:

Forests/Wooded:

  • Ecosystem 1 (Conifer Forest)
  • Ecosystem 2 (Broadleaf Forest: temperate, subtropical drought)
  • Ecosystem 3 (Mixed Forest: conifer/broadleaf; so. Boreal)
  • Ecosystem 5 (Tropical/subtr. Forest: montane)
  • Ecosystem 8 (Field/Woods complex &/or Savanna, tallgrass)
  • Ecosystem 10 (Forest/Field; Dry Evergreen broadleaf woods )

Crops/Agriculture:

  • Ecosystem 14 (Crop/Settlement (irrigated or not) )

Grass/Shrubs:

  • Ecosystem 4 (Grassland +/- Shrub or Tree)
  • Ecosystem 6 (Scrub +/- Woodland &/or fields (evergreen/decid.) )
  • Ecosystem 13 (Shrub/Tree: succulent/thorn )

Tundra/Taiga (= Tundra, Taiga, and Steppe):

  • Ecosystem 7 (Semidesert shrub/steppe; Tundra (polar, alpine))
  • Ecosystem 9 (Northern Boreal Taiga woodland/tundra)
  • Ecosystem 16 (Wooded Tundra Margin; Heath/moorland)

The table summarizes averages with uncertainty of the data displayed in the figure. The total flux is the sum of the components in the table. Note that fossil fuel emissions can occur over any terrestrial land region, including non-optimized regions such as ice, polar deserts, and inland seas.

Results Summary (all units TgC/yr)
YearFirst Guess FluxEstimated FluxFire EmissionFossil EmissionTotal Flux
2001 -63 ± 576 -199 ± 472 10 754 566 ± 472
2002 -110 ± 678 -227 ± 426 14 752 538 ± 426
2003 -61 ± 653 -10 ± 437 4 769 764 ± 437
2004 -11 ± 610 -172 ± 364 5 771 604 ± 364
2005 -121 ± 572 -145 ± 305 7 771 633 ± 305
2006 -54 ± 665 52 ± 340 9 786 848 ± 340
2007 -113 ± 731 -185 ± 288 9 783 607 ± 288
2008 -6 ± 673 -264 ± 284 2 773 511 ± 284
2009 -135 ± 684 -289 ± 272 3 723 437 ± 272
2010 -107 ± 600 15 ± 213 18 757 791 ± 213
2011 -105 ± 641 -241 ± 270 6 752 517 ± 270
2012 -71 ± 674 -371 ± 248 5 742 377 ± 248
2013 -110 ± 681 -46 ± 231 4 733 692 ± 231
2014 -150 ± 711 -291 ± 259 5 711 425 ± 259
2015 -70 ± 644 -102 ± 217 7 712 617 ± 217
2016 -129 ± 706 -233 ± 241 5 716 488 ± 241
2017 30 ± 669 -326 ± 239 6 727 407 ± 239
2018 -179 ± 661 -101 ± 241 3 731 634 ± 241
2019 -105 ± 737 -175 ± 332 4 706 536 ± 332
mean -88 ± 663 -174 ± 308 7 746 579 ± 308




Copyright Wageningen University, October 2018