表层海水古温度再造方法的研究进展  

Advances in Study on the Methods for Sea Surface Paleotemperature Reconstruction

作　　者：李小艳[1,2,3] 石学法[2,3] 程振波[2,3] 吴永华[2,3] 石丰登[2,3] 鞠小华[2,3] 

机构地区：[1]同济大学海洋地质国家重点实验室,上海200092 [2]海洋沉积与环境地质国家海洋局重点实验室,山东青岛266061 [3]国家海洋局第一海洋研究所,山东青岛266061

出　　处：《海洋科学进展》2008年第4期512-521,共10页Advances in Marine Science

基　　金：国家自然科学基金重点项目--末次冰期以来西北太平洋中高纬度边缘海关键断面古环境演化记录(40431002);国家自然科学基金重大国际合作项目--晚更新世以来鄂霍次克海;日本海和东海的古环境与生产力变化研究(40710069004);国家自然科学基金项目--末次冰期以来日本海表层海水温度变化与东海的对比研究(40606016);国家海洋局青年基金--中沙海区晚第四纪以来短期突发事件的有孔虫记录(2006307)

摘　　要：表层海水温度(简称SST)的变化,已经成为古海洋学研究中一项至关重要的基础资料。古温度的定量估算已成为理解地球气候系统演化的关键性环节,是古环境研究中的前沿问题,海水古温度再造方法备受关注。从最初的标志种和标志性生物组合,到后来的转换函数估算海水表层温度,再发展到用地球化学方法获得古海水温度,如有孔虫氧同位素、U37k和有孔虫Mg/Ca比、珊瑚骨骼Sr/Ca、U/Ca和Mg/Ca等,古海水温度的估算方法日趋完善。从原理、方法的优缺点及适用范围等角度,对这些方法进行了介绍,并对将来表层海水古温度研究工作提出了一些建议。The change of sea surface temperature （SST） is one of the most important basic data in the study of paleooceanography. The quantitative calculation of paleotemperature is a key for understanding the evolution of global climate system and is also the frontier in the study of paleoenvironments. The methods for reconstructing the sea surface paleotemperature have attracted many scientists＇ attention particularly in recent years and become more and more perfect. For estimating the sea surface paleotemperature, bio-species and bio-assemblages which can be used as indicators were applied at the very beginning, then the transform functions were applied, and recently some geochemical methods such as oxygen isotope and Mg/Ca ratio of foraminifera, U37^k and Sr/Ca, U/Ca and Mg/Ca of coral bones have been used. The present paper is to introduce all these methods from the points of view of their principles, advantages, disadvantages and applied confines, and to give some advices for the future studies of sea surface paleotemperature.

关 键 词：海水古温度 有孔虫 转换函数 氧同位素 U37^k MG/CA 

分 类 号：P736.22[天文地球—海洋地质]