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ePRISM: A case study in multiple proxy and mixed temporal resolution integration

机译:ePRISM:多代理和混合时间分辨率集成中的案例研究

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As part of the Pliocene Research, Interpretation and Synoptic Mapping (PRISM) Project, we present the ePRISM experi-ment designed 1) to provide climate modelers with a reconstruction of an early Pliocene warm period that was warmer than the PRISM interval (~3.3 to 3.0 Ma), yet still similar in many ways to modern conditions and 2) to provide an example of how best to integrate multiple-proxy sea surface temperature (SST) data from time series with varying degrees of temporal resolution and age control as we begin to build the next generation of PRISM, the PRISM4 reconstruction, spanning a constricted time interval. While it is possible to tie individual SST estimates to a single light (warm) oxygen isotope event, we find that the warm peak average of SST estimates over a narrowed time interval is preferential for paleoclimate reconstruction as it allows for the inclusion of more records of multiple paleotemperature proxies.
机译:作为上新世研究,解释和天气映射(PRISM)项目的一部分,我们介绍了设计的ePRISM实验1),旨在为气候建模者提供比PRISM间隔(〜3.3 3.0 Ma),但仍在许多方面与现代条件相似; 2)提供了一个示例,说明如何最好地将时间序列中的多代理海表温度(SST)数据与不同程度的时间分辨率和年龄​​控制结合起来来建立下一代PRISM,即PRISM4重建,跨越一段有限的时间间隔。虽然有可能将单个SST估算值与单个轻(暖)氧同位素事件联系起来,但我们发现,在狭窄的时间间隔内,SST估算值的暖峰平均值对于古气候重建是优先考虑的,因为它允许包含更多的有关多个古温度代理。

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