Experiments with the Climatic Response to Radiation Forcing Over the Milankovitch Frequency Band

这是1979年开始的一个研究项目SPECMAP的延续。SPECMAP的总体目标是提高我们对轨道时间尺度（10,000至100,000年）气候动力学的理解。在这一频带上，全球气候系统的主要变化是由入射辐射年周期的调制造成的。这一阶段的SPECMAP研究包括向实验项目的重大转变，在实验项目中，现有的SPECMAP数据库被重要的新观测所增强，被同化为一系列数值实验。这些实验将围绕三个主题进行：热带海洋、高纬度过程和海洋碳系统。这项研究很重要，因为它提供了一个难得的机会（可以非常精确地知道这种强迫）来对气候变化的机制进行定量调查。具体目标是了解海洋与大气和冰冻圈耦合的物理和化学机制，通过改变热、盐和碳的通量来调节地球对轨道强迫的气候反应。

This is a continuation of SPECMAP, a research program begun in 1979. The general goal of SPECMAP is to advance our understanding of climate dynamics on orbital time scales (10,000 to 100,000 years). Over this frequency band, major changes in the global climate system are externally forced by modulations in the annual cycle of incoming radiation. This phase of SPECMAP research includes a major shift toward an experimental program in which the existing SPECMAP database augmented by crucial new observations, is assimilated into a series of numerical experiments. These experiments will be conducted around three themes: the tropical ocean, high- latitude processes, and the ocean carbon system. This research is important because it provides a rare opportunity (one for which the forcing is known with great precision) to conduct quantitative investigations of the mechanisms of climate change. The specific goal is to understand the physical and chemical mechanisms by which the ocean, coupled to the atmosphere and cryosphere, mediates the climatic response of the earth to orbital forcing by altering the fluxes of heat, salt, and carbon.