Transport of Asian air pollution to North America

Dan Jaffe; Theodore Anderson; Dave Covert; Robert Kotchenruther; Barbara Trost; Jen Danielson; William Simpson; Terje Berntsen; Sigrun Karlsdottir; Donald Blake; Joyce Harris; Greg Carmichael; Itsushi Uno

doi:10.1029/1999GL900100

Transport of Asian air pollution to North America

Dan Jaffe, Theodore Anderson, Dave Covert, Robert Kotchenruther, Barbara Trost, Jen Danielson, William Simpson, Terje Berntsen, Sigrun Karlsdottir, Donald Blake, Joyce Harris, Greg Carmichael, Itsushi Uno

Division of Earth Environment Dynamics

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

472 Citations (Scopus)

Abstract

Using observations from the Cheeka Peak Observatory in northwestern Washington State during March-April, 1997, we show that Asian anthropogenic emissions significantly impact the concentrations of a large number of atmospheric species in the air arriving to North America during spring. Isentropic back-trajectories can be used to identify possible times when this impact will be felt, however trajectories alone are not sufficient to indicate the presence of Asian pollutants. Detailed chemical and meteorological data from one of these periods (March 29th, 1997) indicates that the surface emissions were lifted into the free troposphere over Asia and then transported to North America in ~6 days.

Original language	English
Pages (from-to)	711-714
Number of pages	4
Journal	Geophysical Research Letters
Volume	26
Issue number	6
DOIs	https://doi.org/10.1029/1999GL900100
Publication status	Published - Mar 15 1999

All Science Journal Classification (ASJC) codes

Geophysics
Earth and Planetary Sciences(all)

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10.1029/1999GL900100

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Transport of Asian air pollution to North America. / Jaffe, Dan; Anderson, Theodore; Covert, Dave; Kotchenruther, Robert; Trost, Barbara; Danielson, Jen; Simpson, William; Berntsen, Terje; Karlsdottir, Sigrun; Blake, Donald; Harris, Joyce; Carmichael, Greg; Uno, Itsushi.

In: Geophysical Research Letters, Vol. 26, No. 6, 15.03.1999, p. 711-714.

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

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AU - Simpson, William

AU - Berntsen, Terje

AU - Karlsdottir, Sigrun

AU - Blake, Donald

AU - Harris, Joyce

AU - Carmichael, Greg

AU - Uno, Itsushi

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