Abstract
Corrigendum: Carbon Dioxide Emissions along the Lower Amazon River
Highlights
“We divided the main channel into two zones: (Area 1) our study boundaries from Óbidos to Macapá, which has a surface area of 7,118 km2, and (Area 2) the region extending from Macapá to the geographical river mouth, which has an additional surface area of 11,261 km2 (Figure 1).”
Discussion section, the eighth paragraph: “Here we considered two different areas for upscaling annual CO2 emissions from the lower Amazon River
Area 2, which extends to the geographic terminus of the river, is a relatively short distance compared to Area 1, but covers 58% more surface area than the Óbidos to Macapá reach (Table 3)
Summary
Emissions from the Xingu and Tapajós lower tributaries contribute an additional 2.3 Tg C year−1 Including these values with updated basin scale estimates and estimates of CO2 outgassing from small streams we estimate that the Amazon running waters outgasses as much as 0.95 Pg C year−1, increasing the global emissions from inland waters by 15% for a total of 2.45 Pg C year−1. These results highlight the lower reaches of large rivers as a missing gap in basin-scale and global carbon budgets.
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