Hayashi, S., Souza Jr., C., Sales, M. & Veríssimo, A. 2011.
In September 2011, SAD detected 170 square kilometers of deforestation in Legal Amazon. This value was equivalent to the detected deforestation in September 2010. From this total, 46% occurred in Pará, followed by Rondônia (24%), Mato Grosso (17%), Amazonas (9%), and the rest in Acre, Roraima and Tocantins. ON its turn, the cities that suffered the most with deforestation were Altamira (PA) and Porto Velho (RO).
The deforestation accumulated in the period of August 2011 to September 2011, corresponding to the first two months of the current Deforestation Calendar, has reached 410 square kilometers. There was light 8% increase regarding the same previous period (August 2010 to September 2010) when the deforestation totaled 380 square kilometers.
The degraded forests in Legal Amazon totaled 658 square kilometers in September 2011. Regarding September 2010 there was an expressive increase of 33% when the forest degradation totaled 496 square kilometers.
The great majority (79%) occurred in Mato Grosso, followed by far by Pará (15%), Rondônia (5%), and the rest in Amazonas and Acre. The forest degradation accumulated in the period of August 2011 to September 2011 totaled 789 square kilometers. Regarding the previous period (August 2010 to September 2010) there was an expressive increase of 61%, when the forest degradation totaled 2.040 square kilometers.
In September 2011, the deforestation detected by SAD compromised 10,6 million tons of equivalent CO2, which represents an 10.5% increase regarding September 2010. In the accumulated period (August 2011 – September 2011) the equivalent C02 emissions compromised by the deforestation totaled 24 million tons, which represents a 10% increase regarding the previous period (August 2010 to September 2010).
In September 2011, the coverage of clouds was reduced and with that, it was possible to monitor 74% of legal Amazon.