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A new high-resolution nationwide aboveground carbon map for Brazil
Chalmers University, Energy and Environment.
University of São Paulo, Soil Dep..ORCID iD: 0000-0001-8301-8529
Chalmers University, Energy and Environment.
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering. (Environmental Management and Assessment)ORCID iD: 0000-0002-8313-5845
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2017 (English)In: Geo: Geography and Environment, ISSN 2352-3808, E-ISSN 1749-8198, Vol. 4, no 2, article id e00045Article in journal (Refereed) Published
Abstract [en]

Brazil is home to the largest tracts of tropical vegetation in the world, harbouring high levels of biodiversity and carbon. Several biomass maps have been produced for Brazil, using different approaches and methods, and for different purposes. These maps have been used to estimate historic, recent, and future carbon emissions from land use change (LUC). It can be difficult to determine which map to use for what purpose. The implications of using an unsuitable map can be significant, since the maps have large differences, both in terms of total carbon storage and its spatial distribution. This paper presents comparisons of Brazil's new ‘official’ carbon map; that is, the map used in the third national communication to the UNFCCC in 2016, with the former official map, and four carbon maps from the scientific literature. General strengths and weaknesses of the different maps are identified, including their suitability for different types of studies. No carbon map was found suitable for studies concerned with existing land use/cover (LULC) and LUC outside of existing forests, partly because they do not represent the current LULC sufficiently well, and partly because they generally overestimate carbon values for agricultural land. A new map of aboveground carbon is presented, which was created based on data from existing maps and an up-to-date LULC map. This new map reflects current LULC, has high accuracy and resolution (50 m), and a national coverage. It can be a useful alternative for scientific studies and policy initiatives concerned with existing LULC and LUC outside of existing forests, especially at local scales when high resolution is necessary, and/or outside the Amazon biome. We identify five ongoing climate policy initiatives in Brazil that can benefit from using this map.

Place, publisher, year, edition, pages
John Wiley & Sons, 2017. Vol. 4, no 2, article id e00045
Keyword [en]
Brazil, carbon map, GIS, above ground biomass, land use policy, LULUCF
National Category
Climate Research
Identifiers
URN: urn:nbn:se:kth:diva-220182DOI: 10.1002/geo2.45Scopus ID: 2-s2.0-85040253691OAI: oai:DiVA.org:kth-220182DiVA, id: diva2:1166928
Note

QC 20171219

Available from: 2017-12-17 Created: 2017-12-17 Last updated: 2018-01-16Bibliographically approved

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Sparovek, GerdFreitas, Flavio L. M.
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