Atmospheric nitrate, sulfate, ammonium and calcium concentrations in China

Barry J. Huebert; Wang Ming-Xing; Lu Wei-Xiu

doi:10.3402/tellusb.v40i4.15914

Atmospheric nitrate, sulfate, ammonium and calcium concentrations in China

Tellus B: Chemical and Physical Meteorology

Volume 40 (1988): Issue 4

By: Barry J. Huebert, Wang Ming-Xing and Lu Wei-Xiu

Open Access

|Jan 1988

Abstract

We used teflon/nylon filter packs to measure concentrations of nitrate (aerosol plus vapor), sulfate, ammonium, and calcium at three locations in China during October of 1985. On the average, molar sulfate concentrations were less than twice the total nitrate concentrations. This small ratio is some what surprising, in view of the large amount of coal burning in China. In Beijing, calcium was the dominant cation, but at both the Xinglong Astronomical Observatory (a rural northern China site) and Changsha (the capital city of Hunan Province, in the south), there was more ammonium ion than calcium in the aerosol. During a period of northerly winds at Xinglong, the concentrations were comparable to reported background values fiom North America and Europe, suggesting that this may be a good site for studying Asian continental background air.

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Articles in this issue

DOI: https://doi.org/10.3402/tellusb.v40i4.15914 | Journal eISSN: 1600-0889

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Language: English

Page range: 260 - 269

Submitted on: Jun 23, 1987

Accepted on: Nov 6, 1987

Published on: Jan 1, 1988

Published by: Stockholm University Press

In partnership with: Paradigm Publishing Services

© 1988 Barry J. Huebert, Wang Ming-Xing, Lu Wei-Xiu, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 40 (1988): Issue 4