Collaborative Proposal: 2000+ Year Detailed, Calibrated Climate Reconstruction from a South Pole Ice Core Set in an Antarctic-Global Scale Context

该奖项支持一个项目，该项目旨在研究南极现有的机会冰芯(SPRESO CORE)，以创造长达2000年的气候记录。SPRESO冰芯将是对过去气候(大气环流、温度、降雨率和大气化学)的一年、每半年分解的重建，利用对主要离子、微量元素和稳定同位素系列的连续、共同登记的测量(n=45)，以及关于微粒子尺寸和组成的选定切片。该项目的学术价值与这样一个事实有关，即南极洲几乎没有这种质量的2000年记录，尽管人们对这一关键时期作为了解现代气候框架的科学兴趣越来越大。这项冰芯调查的科学影响在于，它将提供对气候变异性的深入了解；在人类活动的背景下评估现代气候变异性的基线；以及对预测未来气候变异性的贡献。这项工作的更广泛影响是，拟议的研究解决了有关南极洲在过去、现在和未来全球变化中的作用的重要问题。结果将通过公开讲座、媒体露面和在我们研究所举办的广泛的外联活动转化为可公开获取的信息。我们的ICE核心活动提供了K-12和大学课程的主要基础，以及几个基于现场和实验室的毕业论文和本科生项目的基础。该项目将资助一名博士生三年，并支付本科生工资。气候变化研究所在性别和种族多样化的学生和教职员工参与研究方面有着悠久的历史。

This award supports a project to examine an existing ice core of opportunity from South Pole (SPRESO core) to develop a 2000+ year long climate record. SPRESO ice core will be an annually dated, sub-annually-resolved reconstruction of past climate (atmospheric circulation, temperature, precipitation rate, and atmospheric chemistry) utilizing continuous, co-registered measurements (n=45) of: major ions, trace elements, and stable isotope series, plus selected sections for microparticle size and composition. The intellectual merit of this project relates to the fact that few 2000+ year records of this quality exist in Antarctica despite increasing scientific interest in this critical time period as the framework within which to understand modern climate. The scientific impact of this ice core investigation are that it will provide an in-depth understanding of climate variability; a baseline for assessing modern climate variability in the context of human activity; and a contribution to the prediction of future climate variability. The broader impact of this work is that the proposed research addresses important questions concerning the role of Antarctica in past, present, and future global change. Results will be translated into publicly accessible information through public lectures, media appearances, and an extensive outreach activity housed in our Institute. Our ice core activities provide a major basis for curriculum in K-12 and University plus a basis for several field and laboratory based graduate theses and undergraduate student projects. The project will support one PhD student for 3 years and undergraduate salaries. The Climate Change Institute has a long history of gender and ethnically diverse student and staff involvement in research.