Abstract：
:Tropical carbon emissions are largely derived from direct forest clearing processes. Yet, emissions from drought-induced forest fires are, usually, not included in national-level carbon emission inventories. Here we examine Brazilian Amazon drought impacts on fire incidence and associated forest fire carbon emissions over the period 2003-2015. We show that despite a 76% decline in deforestation rates over the past 13 years, fire incidence increased by 36% during the 2015 drought compared to the preceding 12 years. The 2015 drought had the largest ever ratio of active fire counts to deforestation, with active fires occurring over an area of 799,293 km2. Gross emissions from forest fires (989 ± 504 Tg CO2 year-1) alone are more than half as great as those from old-growth forest deforestation during drought years. We conclude that carbon emission inventories intended for accounting and developing policies need to take account of substantial forest fire emissions not associated to the deforestation process.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Aragão LEOC,Anderson LO,Fonseca MG,Rosan TM,Vedovato LB,Wagner FH,Silva CVJ,Silva Junior CHL,Arai E,Aguiar AP,Barlow J,Berenguer E,Deeter MN,Domingues LG,Gatti L,Gloor M,Malhi Y,Marengo JA,Miller JB,Phillips OL,Sadoi
10.1038/s41467-017-02771-ysubject
Has Abstractpub_date
2018-02-13 00:00:00pages
536issue
1issn
2041-1723pii
10.1038/s41467-017-02771-yjournal_volume
9pub_type
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