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威斯康星大学古气候组
美国大气研究中心
中国国气象科学数据网
地环所气候与环境模拟室
美国古气候数据中心
世界数据中心
地球系统科学数据共享平台
黄土与第四纪地质国家重点实验
详细元数据
 
过去5百年地表温度
点击率:1151
关 键 词 第四纪;古气候重建;地表温度
原文摘要:We present a suite of new 20,000 year reconstructions that integrate three types of geothermal information: a global database of terrestrial heat flux measurements, another database of temperature versus depth observations, and the 20th century instrumental record of temperature, all referenced to the 1961–1990 mean of the instrumental record. These reconstructions show the warming from the last glacial maximum, the occurrence of a mid-Holocene warm episode, a Medieval Warm Period (MWP), a Little Ice Age (LIA), and the rapid warming of the 20th century. The reconstructions show the temperatures of the mid-Holocene warm episode some 1–2 K above the reference level, the maximum of the MWP at or slightly below the reference level, the minimum of the LIA about 1 K below the reference level, and end-of-20th century temperatures about 0.5 K above the reference level. Citation: Huang, S. P., H. N. Pollack, and P.-Y. Shen (2008), A late Quaternary climate reconstruction based on borehole heat flux data, borehole temperature data, and the instrumental record, Geophys. Res. Lett., 35, L13703, doi:10.1029/2008GL034187.
The map below shows the location of borehole sites in the database that we have analyzed to date. The diagram below is a global perspective of surface temperature change over the last five centuries, averaged from 837 individual reconstructions. The thick red line represents the mean surface temperature since 1500 relative to the present-day. The shading represents ± one standard error of the mean. Shown in blue for comparision is the global mean surface air temperature (five year running average) derived from instrumental records by P.D. Jones and colleagues at the University of East Anglia .
word
地质纪录 - 古气候重建
WDC PALEO
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姓名: 
郭庆春 邮箱: gqc@ieecas.cn
单位: 中国科学院地球环境研究所 电话: 029-88327411
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