Tropospheric and stratospheric distributions of radioactive iodine and cesium after the Chernobyl accident |
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| Institution: | 1. State Key Lab. of Earth Surface Processes and Resource Ecology, Beijing Normal Univ., Beijing, China;2. USDA-ARS Grazinglands Research Lab., El Reno, OK, USA;3. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu, China;4. State Key Lab. of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing, China |
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| Abstract: | Concentrations of 131I and 134,136,137Cs in tropospheric and stratospheric air were determined over Poland during the first three weeks after the Chernobyl accident. Large amounts of activity were found at the higher levels of the troposphere up to 9 km. In the stratosphere, the activities at 15 km were usually about 1 to 6% of ground-level values. |
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