The Scientific World Journal

The Scientific World Journal / 2001 / Article
Special Issue

Optimizing Nitrogen Management in Food and Energy Production and Environmental Protection: 2nd International Nitrogen Conference 2001

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Research Article | Open Access

Volume 1 |Article ID 152568 | https://doi.org/10.1100/tsw.2001.389

Ali Salahi, Shirin Geranfar, Soudabeh A.A. Korori, "Nitrogen Deposition in the Greater Tehran Metropolitan Area", The Scientific World Journal, vol. 1, Article ID 152568, 5 pages, 2001. https://doi.org/10.1100/tsw.2001.389

Nitrogen Deposition in the Greater Tehran Metropolitan Area

Academic Editor: Joe Wisniewski

Abstract

An investigation of air pollution in the Tehran metropolitan area between 1992–2000 indicated that there are significant amounts of nitrate ion (NO3), over 30 kg/ha/year, deposited as wet deposition, compared to 13 kg/ha/year in the Chitgar Parkland near the Tehran metropolitan area. The amount of NO3 in warm seasons is twofold that of cold seasons (see Fig. 1), and there was a significant difference between cold and warm seasons (Table 1). Annual wet deposition of ammonia (NH3) was 10 kg/ha/year in the Chitgar Parkland[1].


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