Temperature, accumulation rate, and layer thinning from the South Pole ice core (SPC14)

This data set provides the input and output data used in Kahle et al. 2020 to reconstruct climate variables at the South Pole. The files below include high resolution water isotopes, water isotope diffusion length, and various reconstructions of temperature, accumulation rate, and thinning function for the SPC14 ice core. An inverse approach was used to combine information from water isotope diffusion length, Dage, and annual-layer thickness to solve for temperature, accumulation rate, and thinning function. Corrections were applied to account for the advection of ice from upstream to yield estimates for the South Pole site. Updated data for Hires_Water_Isotopes_halfcm.txt is available at www.usap-dc.org/view/dataset/601429.本数据集提供了Kahle等人2020年研究中用于重建南极气候变量的输入与输出数据。以下文件包含SPC14冰芯（SPC14 ice core）的高分辨率水同位素（high resolution water isotopes）、水同位素扩散长度（water isotope diffusion length），以及温度、冰芯积累率与变薄函数（thinning function）的多种重建结果。研究采用反演方法（inverse approach），整合水同位素扩散长度、Dage与年度层厚度（annual-layer thickness）的信息，以求解温度、冰芯积累率与变薄函数。同时针对冰从上游区域的平流效应施加了校正，以获取南极点站点的相关估算结果。Hires_Water_Isotopes_halfcm.txt的更新数据可通过网址www.usap-dc.org/view/dataset/601429获取。