Comment on “Atmospheric P co 2 Perturbations Associated with the Central Atlantic Magmatic Province” | Zendy

Michael R. Rampino | Zendy; Ken Caldeira | Zendy

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Comment on “Atmospheric P co ₂ Perturbations Associated with the Central Atlantic Magmatic Province”

Author(s) -

Michael R. Rampino,

Ken Caldeira

Publication year - 2011

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1208653

Subject(s) - carbon dioxide , atmosphere (unit) , carbon dioxide in earth's atmosphere , carbon cycle , environmental science , geology , atmospheric sciences , carbon fibers , earth science , oceanography , chemistry , geography , meteorology , materials science , biology , ecology , organic chemistry , ecosystem , composite number , composite material

Schaller et al. (Research Article, 18 March 2011, p. 1404) proposed that carbon dioxide (CO(2)) released by the Central Atlantic Magmatic Province eruptions over periods of about 20,000 years led to substantial increases of up to 2000 parts per million (ppm) in the concentration of atmospheric carbon dioxide (PCO(2)) near the Triassic-Jurassic boundary. Use of an atmosphere-ocean model coupled to a carbon-cycle model predicts PCO(2) increases of less than 400 ppm from magmatic volatiles, with only a small climatic impact.

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