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  Land-use and land-cover change carbon emissions between 1901 and 2012 constrained by biomass observations

Li, W., Ciais, P., Peng, S., Yue, C., Wang, Y., Thurner, M., et al. (2017). Land-use and land-cover change carbon emissions between 1901 and 2012 constrained by biomass observations. Biogeosciences, 14, 5053-5067. doi:10.5194/bg-14-5053-2017.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-2F06-1 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-2F0B-8
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bg-14-5053-2017.pdf (Verlagsversion), 2MB
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bg-14-5053-2017-supplement.pdf (Ergänzendes Material), 945KB
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 Urheber:
Li, Wei, Autor
Ciais, Philippe, Autor
Peng, Shushi, Autor
Yue, Chao, Autor
Wang, Yilong, Autor
Thurner, Martin, Autor
Saatchi, Sassan S., Autor
Arneth, Almut, Autor
Avitabile, Valerio, Autor
Carvalhais, Nuno, Autor
Harper, Anna B., Autor
Kato, Etsushi, Autor
Koven, Charles, Autor
Liu, Yi Y., Autor
Nabel, Julia E. M. S.1, Autor              
Pan, Yude, Autor
Pongratz, Julia1, Autor              
Poulter, Benjamin, Autor
Pugh, Thomas A. M., Autor
Santoro, Maurizio, Autor
Sitch, Stephen, AutorStocker, Benjamin D., AutorViovy, Nicolas, AutorWiltshire, Andy, AutorYousefpour, Rasoul1, AutorZaehle, Sönke2, Autor mehr..
Affiliations:
1Emmy Noether Junior Research Group Forest Management in the Earth System, The Land in the Earth System, MPI for Meteorology, Max Planck Society, escidoc:1832286              
2Max Planck Institute for Biogeochemistry, Max Planck Society, Hans-Knöll-Str. 10, 07745 Jena, DE, escidoc:1497750              

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 Zusammenfassung: The use of dynamic global vegetation models (DGVMs) to estimate CO2 emissions from land-use and land-cover change (LULCC) offers a new window to account for spatial and temporal details of emissions and for ecosystem processes affected by LULCC. One drawback of LULCC emissions from DGVMs, however, is lack of observation constraint. Here, we propose a new method of using satellite- and inventory-based biomass observations to constrain historical cumulative LULCC emissions (ELUCc) from an ensemble of nine DGVMs based on emerging relationships between simulated vegetation biomass and ELUCc. This method is applicable on the global and regional scale. The original DGVM estimates of ELUCc range from 94 to 273 PgC during 1901–2012. After constraining by current biomass observations, we derive a best estimate of 155 ± 50 PgC (1σ Gaussian error). The constrained LULCC emissions are higher than prior DGVM values in tropical regions but significantly lower in North America. Our emergent constraint approach independently verifies the median model estimate by biomass observations, giving support to the use of this estimate in carbon budget assessments. The uncertainty in the constrained ELUCc is still relatively large because of the uncertainty in the biomass observations, and thus reduced uncertainty in addition to increased accuracy in biomass observations in the future will help improve the constraint. This constraint method can also be applied to evaluate the impact of land-based mitigation activities.

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Sprache(n): eng - Englisch
 Datum: 2016-0720172017-112017-11-14
 Publikationsstatus: Im Druck publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.5194/bg-14-5053-2017
 Art des Abschluß: -

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Titel: Biogeosciences
  Andere : Biogeosciences
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Katlenburg-Lindau, Germany : Copernicus GmbH on behalf of the European Geosciences Union
Seiten: - Band / Heft: 14 Artikelnummer: - Start- / Endseite: 5053 - 5067 Identifikator: ISSN: 1726-4170
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111087929276006