Extending the High-Resolution Global Climate Record in Santa Barbara Basin: Evaluating Climate Change Potential

该更新项目将重点对圣巴巴拉盆地~150 ~700 ka期间的32个活塞岩心进行综合分析，提供非常高分辨率的古海洋和古气候记录。活塞岩心提供了一个前所未有的机会来约束160 ka之前的轨道和千年尺度的变化，研究人员将结合生物地层学、古海洋学和层序地层学方法来分析岩心，并完善岩心之间的地层对比和盆地沉积模式的解释。一个具体的目标是确定某些已成功应用于较年轻岩心材料的替代测量（例如，Mg/Ca）是否可用于可靠地解释该地区较老的岩心。最重要的更广泛的影响是这项研究将高分辨率气候记录延长到~700 ka。该项目还将支持本科生和研究生的研究人员。

This renewal project will focus on integrated analyses of 32 piston cores that provide a very high resolution paleoceanographic and paleoclimatological record of the period from ~150 ka to ~700 ka in the Santa Barbara Basin. The piston cores present an unprecedented opportunity to constrain orbital- and millennial-scale changes before 160 ka, and researchers will combine biostratigraphic, paleoceanographic, and sequence stratigraphic methods to analyze the cores and refine the stratigraphic correlation among the cores and interpretations of basin deposition patterns. A specific goal is to determine whether certain proxy measurements (e.g., Mg/Ca) that have been successfully applied to younger core material can be used to reliably interpret older cores in this area. The most important broader impact is the capacity of this research to extend the high resolution climate record back to ~700 ka. The project will also support undergraduate and graduate student researchers.