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https://doi.org/10.1002/gbc.20020

has been cited by the following article:

• TITLE: Carbon Burial in Young Tropical Reservoirs Is Higher at Lower Latitudes*

  AUTHORS: Elizabeth Sikar, Marco Aurelio dos Santos, Ana Carolina Moterani, Isabella Matvienko, Ana Carla Martins Veras, Juliana Pinto Pereira Dias, Orleno Marques da Silva Junior, Claudio Pavani, Marcelo Amorim, Teodosio das Neves Milisse Nzualo, Ayr Manoel Portilho Bentes Junior, Rogerio Duarte

  KEYWORDS: Carbon, Burial, Sediments, Hydroelectric Reservoirs

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.9 No.12, December 28, 2021

  ABSTRACT: Man-made environments such as tropical hydroelectric reservoirs alter the preexisting carbon (C) cycle and remove C from circulation through burial in sediments. Carbon burial (CB) was measured using the silica-tracer method during four field surveys in the less than six-year-old Belo Monte tropical reservoir. Fresh C sedimentation was also measured. Belo Monte’s CB median rate 276 (n = 84; min 0; max 352,625 mg C·m-2·d-1) is within the range (230 to 436 mg C·m-2·d-1) of CB rates measured further downstream at the Xingu Ria and higher than the averaged over 50 years oceanic rate 244 mg C·m-2·d-1 estimated for an increasingly deoxygenated ocean. Carbon burial median rates of tropical reservoirs with similar age and trophic state correlate inversely with latitude at a rate of 17.5 mg C·m-2·d-1 per degree. Carbon burial efficiency of these reservoirs correlates positively with latitude at a ratio of 0.22% per degree.