Study: Human activity drives Amazon carbon emissions, worsened by droughts
Researchers from the CARBAM project analyzed 15 years of aircraft-based CO2 and CO measurements across four Amazon basin sites, collecting over 1,000 vertical atmospheric profiles. The data indicate that carbon emissions from the Amazon region are primarily caused by human activities, with drought periods intensifying these emissions.
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The findings suggest that drought conditions, which are expected to become more frequent with climate change, could compound human-driven deforestation and land-use emissions in the Amazon, potentially undermining the forest's role as a carbon sink. This long-term dataset offers scientists a rare multi-year basis for distinguishing natural variability from human impact in one of the world's most critical carbon-storing ecosystems.
- CARBAM project gathered 1,017 aircraft vertical profiles over 15 years across four Amazon sites
- Emissions patterns point to human activity as the primary driver, amplified during drought periods
- The study covers forest ecosystems spanning roughly 6.7 million square kilometers of Amazonia
Source: nature.com — Gatti, 2026-10-21
Published there as: “Amazon carbon emissions driven by human actions amplified by droughts”
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