Last Friday I closed with a reference to the paper “Amazonia as a Carbon Source Linked to Deforestation and Climate Change”, by Luciana V. Gatti (from the Brazilian National Institute for Space Research) and co-authors.
The research team divided the 7.25 million km² Amazon basin (containing between 100 billion and 146 billion metric tons of carbon) into four regions: TAB_TEF (northwest), SAN (northeast), ALF (southeast), and RBA (southwest).
Using aircraft to collect air samples at different altitudes over 5 sampling sites (two of them, TAB and TEF, on the northwest region; of the remaining 3 sampling sites, one for each region), it was found that: