Curtarelli, M. P.; Ogashawara, I.; Araújo, C. A. S. de; Lorenzzetti, J. A.; Leão, J. A. D.; Alcântara, E. H. de; Stech, J. L.: Carbon dioxide emissions from Tucuruí reservoir (Amazon biome): New findings based on three-dimensional ecological model simulations. Science of The Total Environment, 551 , pp. 676–694, 2016, ISSN: 0048-9697.(Tipo: Journal Article | Resumo | Links | BibTeX | Tags: amazon, carbon dioxide, emissions, model, reservoir, simulations, tucuruí)
@article{CURTARELLI2016676,
title = {Carbon dioxide emissions from Tucuruí reservoir (Amazon biome): New findings based on three-dimensional ecological model simulations},
author = {Marcelo Pedroso Curtarelli and Igor Ogashawara and Carlos Alberto Sampaio de Araújo and João Antônio Lorenzzetti and Joaquim Antônio Dionísio Leão and Enner Herenio de Alcântara and José Luiz Stech},
doi = {10.1016/j.scitotenv.2016.02.001},
issn = {0048-9697},
year = {2016},
date = {2016-01-01},
journal = {Science of The Total Environment},
volume = {551},
pages = {676--694},
abstract = {We used a three-dimensional model to assess the dynamics of diffusive carbon dioxide flux (FCO2) from a hydroelectric reservoir located at Amazon rainforest. Our results showed that for the studied periods (2013 summer/wet and winter/dry seasons) the surface averaged FCO2 presented similar behaviors, with regular emissions peaks. The mean daily surface averaged FCO2 showed no significant difference between the seasons (p>0.01), with values around -1338mgCm-2day-1 (summer/wet) and -1395mgCm-2day-1 (winter/dry). At diel scale, the FCO2 was large during the night and morning and low during the afternoon in both seasons. Regarding its spatial distribution, the FCO2 showed to be more heterogeneous during the summer/wet than during the winter/dry season. The highest FCO2 were observed at transition zone (-300mgCm-2h-1) during summer and at littoral zone (-55mgCm-2h-1) during the winter. The total CO2 emitted by the reservoir along 2013year was estimated to be 1.1TgCyear-1. By extrapolating our results we found that the total carbon emitted by all Amazonian reservoirs can be around 7TgCyear-1, which is 22},
keywords = {amazon, carbon dioxide, emissions, model, reservoir, simulations, tucuruí},
pubstate = {published},
tppubtype = {article}
}
We used a three-dimensional model to assess the dynamics of diffusive carbon dioxide flux (FCO2) from a hydroelectric reservoir located at Amazon rainforest. Our results showed that for the studied periods (2013 summer/wet and winter/dry seasons) the surface averaged FCO2 presented similar behaviors, with regular emissions peaks. The mean daily surface averaged FCO2 showed no significant difference between the seasons (p>0.01), with values around -1338mgCm-2day-1 (summer/wet) and -1395mgCm-2day-1 (winter/dry). At diel scale, the FCO2 was large during the night and morning and low during the afternoon in both seasons. Regarding its spatial distribution, the FCO2 showed to be more heterogeneous during the summer/wet than during the winter/dry season. The highest FCO2 were observed at transition zone (-300mgCm-2h-1) during summer and at littoral zone (-55mgCm-2h-1) during the winter. The total CO2 emitted by the reservoir along 2013year was estimated to be 1.1TgCyear-1. By extrapolating our results we found that the total carbon emitted by all Amazonian reservoirs can be around 7TgCyear-1, which is 22