论文部分内容阅读
为正确预测未来气候变化的趋势,需要了解过去气候变化的规律。表层海水温度(SST)作为海洋环境最重要的参数之一,是了解全球气候与环境变化的关键。尤其是在晚第四纪冰期/间冰期旋回时期,表层海水古温度显著差异显示了环境的巨大变化,因此表层海水古温度的重建对于认识全球气候演变有重要意义,这也是海洋表层水温研究备受关注的重要原因。从标志性种、标志性种组合以及非种方法,到转换函数群落方法、稳定同位素、Mg/Ca比值等的地球化学方法,海洋表层古水温的重建经历了定性、半定量和定量化的三个不同阶段。文中旨在比较目前重建表层海洋古水温的几种方法,评价其优缺点,以利于在研究中合理的综合应用,提高古环境恢复的可靠性。
In order to correctly predict the trend of future climate change, we need to understand the laws of past climate change. Surface sea water temperature (SST), one of the most important parameters of the marine environment, is the key to understanding global climate and environmental changes. Especially during the late Quaternary glacial / interglacial cycles, the significant difference in paleotemperature of surface seawater shows the great changes in environment. Therefore, the reconstruction of palaeoclimate of ancient seawater is of great significance for understanding the evolution of global climate. Concerned about the important reasons. Geochemical methods, such as landraces, landraces and non-species methods, transfer function community methods, stable isotopes and Mg / Ca ratios, have undergone qualitative, semi-quantitative and quantitative three A different stage. In this paper, several methods to reconstruct the paleo-water temperature in the surface ocean are compared to evaluate their advantages and disadvantages so as to facilitate the rational application in the study and to improve the reliability of paleoenvironment restoration.