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在已建立的南海北部滨珊瑚 (Porites)生长率温度计和成功后报近百年来海面温度(SST)的基础上 ,用滨珊瑚重建西沙海区近 2 2 0a的SST序列 ,并分析该时段气候变化的基本特征 .结果表明 ,在近 2 2 0a间 ,西沙海区的SST冷暖变化存在世纪尺度的阶段性差异和准周期变化 ;SST的年代际变化幅度呈增大趋势 ;近百年来SST呈轻微上升趋势
Based on the established Porites growth rate thermometer in the northern South China Sea and the sea surface temperature (SST) of nearly 100 years since its success, the SST sequence of the Xisha Sea area was reconstructed in the past two hundred and twenty years using the shore coral, and the climate change during the period The results showed that there was a periodical and quasi-periodic variation of SST in the Xisha area in the past 220 years, and the decadal variation of SST tended to increase with a slight increase in the past 100 years trend