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The African Regiona...
The African Regional Greenhouse Gases Budget (2010–2019)
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- Ernst, Yolandi (författare)
- University of the Witwatersrand
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- Archibald, Sally (författare)
- University of the Witwatersrand
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- Balzter, Heiko (författare)
- University of Leicester
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- Chevallier, Frederic (författare)
- Versailles Saint-Quentin-en-Yvelines University
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- Ciais, Philippe (författare)
- Versailles Saint-Quentin-en-Yvelines University
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Fischer, Carlos Gonzalez (författare)
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- Gaubert, Benjamin (författare)
- National Center for Atmospheric Research
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- Higginbottom, Thomas (författare)
- University of Edinburgh
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- Higgins, Steven (författare)
- University of Bayreuth
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- Lawal, Shakirudeen (författare)
- North Carolina State University
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- Lacroix, Fabrice (författare)
- University of Bern
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- Lauerwald, Ronny (författare)
- University of Paris-Saclay
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- Lourenco, Mauro (författare)
- University of the Witwatersrand
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- Martens, Carola (författare)
- Senckenberg Biodiversity and Climate Research Centre,Goethe University
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- Mengistu, Anteneh G. (författare)
- Finnish Meteorological Institute
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- Merbold, Lutz (författare)
- Agroscope
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- Mitchard, Edward (författare)
- University of Edinburgh
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- Moyo, Mthokozisi (författare)
- University of the Witwatersrand
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- Nguyen, Hannah (författare)
- King's College London
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- O’Sullivan, Michael (författare)
- University of Exeter
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- Rodríguez-Veiga, Pedro (författare)
- University of Leicester
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- Rosan, Thais (författare)
- University of Exeter
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- Rosentreter, Judith (författare)
- Southern Cross University
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- Ryan, Casey (författare)
- University of Edinburgh
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- Scheiter, Simon (författare)
- Senckenberg Biodiversity and Climate Research Centre
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- Sitch, Stephen (författare)
- University of Exeter
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- Stevens, Nicola (författare)
- University of Oxford,University of the Witwatersrand
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- Tagesson, Torbern (författare)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,University of Copenhagen
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- Tian, Hanqin (författare)
- Boston College
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- Wang, Mengjia (författare)
- University of Bordeaux,Zhengzhou University
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- Woon, Joel S. (författare)
- University of Liverpool
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- Zheng, Bo (författare)
- Tsinghua University
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- Zhou, Yong (författare)
- Utah State University
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- Scholes, Robert J. (författare)
- University of the Witwatersrand
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: Global Biogeochemical Cycles. - 0886-6236. ; 38:4
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- As part of the REgional Carbon Cycle Assessment and Processes Phase 2 (RECCAP2) project, we developed a comprehensive African Greenhouse gases (GHG) budget covering 2000 to 2019 (RECCAP1 and RECCAP2 time periods), and assessed uncertainties and trends over time. We compared bottom-up process-based models, data-driven remotely sensed products, and national GHG inventories with top-down atmospheric inversions, accounting also for lateral fluxes. We incorporated emission estimates derived from novel methodologies for termites, herbivores, and fire, which are particularly important in Africa. We further constrained global woody biomass change products with high-quality regional observations. During the RECCAP2 period, Africa's carbon sink capacity is decreasing, with net ecosystem exchange switching from a small sink of −0.61 ± 0.58 PgC yr−1 in RECCAP1 to a small source in RECCAP2 at 0.16 (−0.52/1.36) PgC yr−1. Net CO2 emissions estimated from bottom-up approaches were 1.6 (−0.9/5.8) PgCO2 yr−1, net CH4 were 77 (56.4/93.9) TgCH4 yr−1 and net N2O were 2.9 (1.4/4.9) TgN2O yr−1. Top-down atmospheric inversions showed similar trends. Land Use Change emissions increased, representing one of the largest contributions at 1.7 (0.8/2.7) PgCO2eq yr−1 to the African GHG budget and almost similar to emissions from fossil fuels at 1.74 (1.53/1.96) PgCO2eq yr−1, which also increased from RECCAP1. Additionally, wildfire emissions decreased, while fuelwood burning increased. For most component fluxes, uncertainty is large, highlighting the need for increased efforts to address Africa-specific data gaps. However, for RECCAP2, we improved our overall understanding of many of the important components of the African GHG budget that will assist to inform climate policy and action.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Nyckelord
- African regional GHG budget
- atmospheric inversions
- bottom-up GHG component estimates
- RECCAP2
- sink capacity decreasing
- terrestrial fluxes
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Ernst, Yolandi
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Archibald, Sally
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Balzter, Heiko
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Chevallier, Fred ...
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Ciais, Philippe
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Fischer, Carlos ...
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visa fler...
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Gaubert, Benjami ...
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Higginbottom, Th ...
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Higgins, Steven
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Lawal, Shakirude ...
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Lacroix, Fabrice
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Lauerwald, Ronny
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Lourenco, Mauro
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Martens, Carola
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Mengistu, Antene ...
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Merbold, Lutz
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Mitchard, Edward
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Moyo, Mthokozisi
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Nguyen, Hannah
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O’Sullivan, Mich ...
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Rodríguez-Veiga, ...
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Rosan, Thais
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Rosentreter, Jud ...
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Ryan, Casey
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Scheiter, Simon
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Sitch, Stephen
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Stevens, Nicola
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Tagesson, Torber ...
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Tian, Hanqin
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Wang, Mengjia
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Woon, Joel S.
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Zheng, Bo
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Zhou, Yong
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Scholes, Robert ...
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