CO2 seasonality indicates origins of post-Pinatubo sink

A. Angert; S. Biraud; C. Bonfils; W. Buermann; I. Fung

doi:10.1029/2004GL019760

CO₂ seasonality indicates origins of post-Pinatubo sink

A. Angert^*, S. Biraud, C. Bonfils, W. Buermann, I. Fung

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

An enhanced carbon sink of ∼2PgC/yr was observed following the Mount Pinatubo eruption. In this study we used a biogeochemical model (CASA) linked to an atmospheric tracer model (MATCH) with interannually varying transport, to predict the atmospheric CO₂ response to various hypotheses for the enhanced sink. By comparing the modeled CO₂ growth rate, and seasonal minimum with observation we found that global Net Primary Production could not have increased following the eruption. The enhanced sink is explained by several land and ocean sink mechanisms acting in concert.

Original language	English
Pages (from-to)	L11103 1-4
Journal	Geophysical Research Letters
Volume	31
Issue number	11
DOIs	https://doi.org/10.1029/2004GL019760
State	Published - 16 Jun 2004
Externally published	Yes

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CO₂ seasonality indicates origins of post-Pinatubo sink

Abstract

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