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Modeling Wet Deposition and Concentration of Inorganics Over Northeast Asia with Mri-pm/C : Volume 5, Issue 6 (06/11/2012)

By Kajino, M.

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Book Id: WPLBN0003985020
Format Type: PDF Article :
File Size: Pages 13
Reproduction Date: 2015

Title: Modeling Wet Deposition and Concentration of Inorganics Over Northeast Asia with Mri-pm/C : Volume 5, Issue 6 (06/11/2012)  
Author: Kajino, M.
Volume: Vol. 5, Issue 6
Language: English
Subject: Science, Geoscientific, Model
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2012
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Maki, T., Sato, K., Oshima, N., Kajino, M., Ohizumi, T., Inomata, Y.,...Deushi, M. (2012). Modeling Wet Deposition and Concentration of Inorganics Over Northeast Asia with Mri-pm/C : Volume 5, Issue 6 (06/11/2012). Retrieved from http://worldebookfair.com/


Description
Description: Meteorological Research Institute, Japan Meteorological Agency, 1-1 Nagamine, Tsukuba, 305-0052, Japan. We conducted a regional-scale simulation over Northeast Asia for the year 2006 using an aerosol chemical transport model, with time-varying lateral and upper boundary concentrations of gaseous species predicted by a global stratospheric and tropospheric chemistry-climate model. The present one-way nested global-through-regional-scale model is named the Meteorological Research Institute–Passive-tracers Model system for atmospheric Chemistry (MRI-PM/c). We evaluated the model's performance with respect to the major anthropogenic and natural inorganic components, SO42−, NH4+, NO3, Na+ and Ca2+ in the air, rain and snow measured at the Acid Deposition Monitoring Network in East Asia (EANET) stations. Statistical analysis showed that approximately 40–50 % and 70–80 % of simulated concentration and wet deposition of SO42−, NH4+, NO3and Ca2+ are within factors of 2 and 5 of the observations, respectively. The prediction of the sea-salt originated component Na+ was not successful at near-coastal stations (where the distance from the coast ranged from 150 to 700 m), because the model grid resolution (Δx=60 km) is too coarse to resolve it. The simulated Na+ in precipitation was significantly underestimated by up to a factor of 30.

Summary
Modeling wet deposition and concentration of inorganics over Northeast Asia with MRI-PM/c

Excerpt
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