Distribution of surface ozone concentration in the clean areas of china and its possible impact on crop yields |
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| Authors: | Li Xingsheng He Zhuanshi Fang Xiumei Zhou Xiuji |
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| Institution: | Chinese Academy of Meteorological Sciences, Beijing 100081,Chinese Academy of Meteorological Sciences, Beijing 100081,Chinese Academy of Meteorological Sciences, Beijing 100081,Chinese Academy of Meteorological Sciences, Beijing 100081 |
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| Abstract: | From August 1994 to July 1995, ozone and its precursors were measured in the clean areas of China. The results show that in the period of crop growth, hourly mean ozone concentration, ozone concentration averaged in seven hours of daytime and accumulated ozone concentration in long period have approached or overpassed the harmful level in environmental and health standard of U. S. A. and Canada. |
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| Keywords: | Clean area Surface ozone concentration Crop yield |
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