Response of a Deciduous Forest to the Mount Pinatubo Eruption: Enhanced Photosynthesis-Reference-Cited by-同舟云学术

Response of a Deciduous Forest to the Mount Pinatubo Eruption: Enhanced Photosynthesis

Published:2003-03-28 Issue:5615 Volume:299 Page:2035-2038
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Gu Lianhong¹,Baldocchi Dennis D.²,Wofsy Steve C.³,Munger J. William³,Michalsky Joseph J.⁴,Urbanski Shawn P.³,Boden Thomas A.¹

Affiliation:

1. Environmental Sciences Division, Building 1509, Oak Ridge National Laboratory, Oak Ridge, TN 37831–6335, USA.

2. Ecosystem Science Division, Department of Environmental Science, Policy and Management, University of California, Berkeley, CA 94720, USA.

3. Division of Engineering and Applied Science and Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, USA.

4. Atmospheric Sciences Research Center, University at Albany, State University of New York, Albany, NY 12203, USA.

Abstract

Volcanic aerosols from the 1991 Mount Pinatubo eruption greatly increased diffuse radiation worldwide for the following 2 years. We estimated that this increase in diffuse radiation alone enhanced noontime photosynthesis of a deciduous forest by 23% in 1992 and 8% in 1993 under cloudless conditions. This finding indicates that the aerosol-induced increase in diffuse radiation by the volcano enhanced the terrestrial carbon sink and contributed to the temporary decline in the growth rate of atmospheric carbon dioxide after the eruption.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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