Aboveground biomass carbon over the Amazon for 2010-2020

This dataset includes the necessary files to calculate the expected aboveground carbon (in MgC/ha) over the Amazon, as well as the corresponding uncertainty (e.g., confidence intervals) at a spatial resolution of 0.000888° (~100m at the Equator).
Registration is requested: 
Yes
Year: 
2025
Keywords: 

Title: Aboveground biomass carbon over the Amazon for 2010-2020.
Description: The Amazon rainforest is crucial for the global carbon cycle, yet annual changes in its aboveground biomass carbon (AGC) stock remain highly uncertain due to the lack of fine-resolution and temporally consistent information. The current dataset contains reconstructed maps of annual AGC change at a ~100m spatial resolution, resulting from the disaggregation of low-frequency passive L-band microwave data over 2010-2020. They show that the Amazon lost −0.37 ± 0.17 PgC, with gains by undisturbed (0.33 ± 0.13 PgC) and secondary forest growth (0.33 ± 0.05 PgC) outweighed by losses by deforestation (−0.55 ± 0.04 PgC), degradation (−0.42 ± 0.08 PgC), and agricultural areas (−0.06 ± 0.03 PgC).

Spatial coverage: The Amazon basin, Brazil
Pixel size: 0.000888° (~100m at the Equator)
Temporal coverage:  2010-2022
Projection: WGS84

Note: Further instructions on how to use the datasets properly are available at: https://github.com/arthfen/VOD_AGC/

Note: The expected value of AGB each pixel follows a log-normal distribution with parameters μ and σ. Files "3out_mean_{year}.tif" are the median of this distribution [i.e., exp(μ)]. The median can be used as a point estimate of the expected aboveground biomass carbon (AGC) stock (in MgC/ha) over the Amazon.

Reference: Fendrich, A., Feng, Y., Wigneron, JP. et al. Human influence on Amazon’s aboveground carbon dynamics intensified over the last decade. Nat Commun 16, 6681 (2025). https://doi.org/10.1038/s41467-025-61856-1
 

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