Salmon, Lynn G. and Christoforou, Christos S. and Gerk, Timothy J. and Cass, Glen R. and Casuccio, Gary S. and Cooke, Gary A. and Leger, Michael and Olmez, Ilhan (1995) Source contributions to airborne particle deposition at the Yungang Grottoes, China. Science of the Total Environment, 167 (1-3). pp. 33-47. ISSN 0048-9697. doi:10.1016/0048-9697(95)04567-K. https://resolver.caltech.edu/CaltechAUTHORS:20160630-080146841
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Abstract
The Buddhist cave temple complex at Yungang in northern China is affected by a rapid accumulation of airborne particles that settle onto the thousands of statues contained within those caves. Experiments have been conducted to identify the most important air pollution sources that contribute to the dust deposition problem. The spatial distribution of the deposition rate of airborne particles within a 2 km × 2 km area surrounding the grottoes was measured during a 2-day period in April, 1991. Peak particle deposition rates of > 60 μg m−2 s−1 were found at locations within the village of Yungang itself and along the adjacent coal-haul highway. Moving away from the village and coal-haul highway, deposition rates decline to much lower values, indicating that the village and highway are significant sources of airborne particles. A comparison of the mineralogical composition of the dust deposits in the caves with the composition of local soil dust, paved road dust from the coal-haul highway and deteriorated cave ceiling rock material indicates that the dust deposits in the caves are a combination of the above sources, with the paved road dust from the coal-haul highway providing the closest match to the largest quantity of the material deposited in the caves.
Item Type: | Article | |||||||||
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Additional Information: | © 1995 Elsevier B.V. | |||||||||
Subject Keywords: | Airborne particles; Emission sources; Dust deposition; Deposition fluxes; Coal-haul highway | |||||||||
Issue or Number: | 1-3 | |||||||||
DOI: | 10.1016/0048-9697(95)04567-K | |||||||||
Record Number: | CaltechAUTHORS:20160630-080146841 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160630-080146841 | |||||||||
Official Citation: | Lynn G. Salmon, Christos S. Christoforou, Timothy J. Gerk, Glen R. Cass, Gary S. Casuccio, Gary A. Cooke, Michael Leger, Ilhan Olmez, Source contributions to airborne particle deposition at the Yungang Grottoes, China, Science of The Total Environment, Volume 167, Issues 1–3, 1 May 1995, Pages 33-47, ISSN 0048-9697, http://dx.doi.org/10.1016/0048-9697(95)04567-K. (http://www.sciencedirect.com/science/article/pii/004896979504567K) | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 68779 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | Ruth Sustaita | |||||||||
Deposited On: | 05 Jul 2016 21:51 | |||||||||
Last Modified: | 11 Nov 2021 04:04 |
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