Numerical study of the atmospheric input of anthropogenic total nitrate to the marginal seas in the western North Pacific region

I. Uno; M. Uematsu; Y. Hara; Y. J. He; T. Ohara; A. Mori; T. Kamaya; K. Murano; Y. Sadanaga; H. Bandow

doi:10.1029/2007GL030338

Numerical study of the atmospheric input of anthropogenic total nitrate to the marginal seas in the western North Pacific region

I. Uno, M. Uematsu, Y. Hara, Y. J. He, T. Ohara, A. Mori, T. Kamaya, K. Murano, Y. Sadanaga, H. Bandow

Division of Earth Environment Dynamics

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

37 Citations (Scopus)

Abstract

Atmospheric input of anthropogenic total nitrate to marginal seas in the western North Pacific region was simulated using a regional chemical transport model over East Asia based on year-to-year emission estimates during 1980-2003. Seasonal cycles and concentration levels of gas and aerosol were examined using observation data from various studies. The model simulated total nitrate deposition over the East China Sea (ECS) as 140 GgN/yr, which is the same order of the annual river discharge from the Yangtze River. The ratio of dry and wet deposition over ECS was obtained as approximately 6: 4. Total nitrate deposition over ECS corresponds to 3.2% (N base) of total NO_x emission in China. The total deposition at present is three times larger than that of 1980, corresponding with increased NO_x emissions.

Original language	English
Article number	L17817
Journal	Geophysical Research Letters
Volume	34
Issue number	17
DOIs	https://doi.org/10.1029/2007GL030338
Publication status	Published - Sep 16 2007

All Science Journal Classification (ASJC) codes

Geophysics
Earth and Planetary Sciences(all)

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10.1029/2007GL030338

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Numerical study of the atmospheric input of anthropogenic total nitrate to the marginal seas in the western North Pacific region. / Uno, I.; Uematsu, M.; Hara, Y.; He, Y. J.; Ohara, T.; Mori, A.; Kamaya, T.; Murano, K.; Sadanaga, Y.; Bandow, H.

In: Geophysical Research Letters, Vol. 34, No. 17, L17817, 16.09.2007.

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

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abstract = "Atmospheric input of anthropogenic total nitrate to marginal seas in the western North Pacific region was simulated using a regional chemical transport model over East Asia based on year-to-year emission estimates during 1980-2003. Seasonal cycles and concentration levels of gas and aerosol were examined using observation data from various studies. The model simulated total nitrate deposition over the East China Sea (ECS) as 140 GgN/yr, which is the same order of the annual river discharge from the Yangtze River. The ratio of dry and wet deposition over ECS was obtained as approximately 6: 4. Total nitrate deposition over ECS corresponds to 3.2% (N base) of total NOx emission in China. The total deposition at present is three times larger than that of 1980, corresponding with increased NOx emissions.",

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AU - Uematsu, M.

AU - Hara, Y.

AU - He, Y. J.

AU - Ohara, T.

AU - Mori, A.

AU - Kamaya, T.

AU - Murano, K.

AU - Sadanaga, Y.

AU - Bandow, H.

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