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Water temperature records from corals near the nuclear power plant in southern Taiwan |
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| Authors: | Chen-Tung Chen Chung-Ho Wang Ker-Yea Soong and Bing-Jye Wang |
| Institution: | 1. Institute of Marine Geology and Chemistry, Sun Yat-Sen University, Kaohsiung, China 2. Institute of Earth Sciences, Taipei, China 3. Institute of Marine Biology, Sun Yat-Sen University, Kaohsiung, China |
| Abstract: | Coral samples collected at the outlet and the inlet of the Third Nuclear Power Plant were measured for the δ18O and δ13C, indicating the surrounding seawater temperature and physiological/biochemical reactions during coral skeletal growth. The results show that with higher seawater temperature in summer, the values of δ18O are lower but those for δ13C are higher; however, the δ18O extremes lag six weeks behind the δ13C extremes because the highest water temperature lags the maximum number of sunshine hours. Records of the extreme high temperature observed in the northern South China Sea between Oct. 1987 and Sep. 1988, and the extraordinary low temperature from Oct. 1992 to Feb. 1993 are also preserved in the coralline isotope signals. However, when the water temperature becomes too high the coral growth seems to stop. |
| Keywords: | The Third Nuclear Power Plant coral water temperature ENSO |
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