The global forest above-ground biomass pool for 2010 estimated from high-resolution satellite observations

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/94990 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/94990 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/94990 archive 353 disk0/00/01/73/80 2021-08-18 07:51:12 2024-09-09 12:39:51 2021-08-18 07:51:12 article show Santoro M. Cartus O. Carvalhais N. Rozendaal D.M.A. Avitabile V. Araza A. de Bruin S. Herold M. Quegan S. Rodríguez-Veiga P. Balzter H. Carreiras J. Shchepashchenko D. 7435 0000-0002-7814-4990 Korets M. Shimada M. Itoh T. Moreno Martínez Á. Cavlovic J. Cazzolla Gatti R. da Conceição Bispo P. Dewnath N. Labrière N. Liang J. Lindsell J. Mitchard E.T.A. Morel A. Pacheco Pascagaza A.M. Ryan C.M. Slik F. Vaglio Laurin G. Verbeeck H. Wijaya A. Willcock S. The global forest above-ground biomass pool for 2010 estimated from high-resolution satellite observations pub BNR AFE The terrestrial forest carbon pool is poorly quantified, in particular in regions with low forest inventory capacity. By combining multiple satellite observations of synthetic aperture radar (SAR) backscatter around the year 2010, we generated a global, spatially explicit dataset of above-ground live biomass (AGB; dry mass) stored in forests with a spatial resolution of 1 ha. Using an extensive database of 110 897 AGB measurements from field inventory plots, we show that the spatial patterns and magnitude of AGB are well captured in our map with the exception of regional uncertainties in high-carbon-stock forests with AGB >250 Mg ha−1, where the retrieval was effectively based on a single radar observation. With a total global AGB of 522 Pg, our estimate of the terrestrial biomass pool in forests is lower than most estimates published in the literature (426–571 Pg). Nonetheless, our dataset increases knowledge on the spatial distribution of AGB compared to the Global Forest Resources Assessment (FRA) by the Food and Agriculture Organization (FAO) and highlights the impact of a country's national inventory capacity on the accuracy of the biomass statistics reported to the FRA. We also reassessed previous remote sensing AGB maps and identified major biases compared to inventory data, up to 120 % of the inventory value in dry tropical forests, in the subtropics and temperate zone. Because of the high level of detail and the overall reliability of the AGB spatial patterns, our global dataset of AGB is likely to have significant impacts on climate, carbon, and socio-economic modelling schemes and provides a crucial baseline in future carbon stock change estimates. The dataset is available at https://doi.org/10.1594/PANGAEA.894711 (Santoro, 2018). 2021-08-11 published Copernicus 10.5194/essd-13-3927-2021 279 public Earth System Science Data 13 8 3927-3950 TRUE 1866-3516 FALSE no info:eu-repo/semantics/article