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学科主题: Multidisciplinary Sciences
题名: 2,000-year-long temperature and hydrology reconstructions from the Indo-Pacific warm pool
作者: Oppo, DW ; Rosenthal, Y ; Linsley, BK
通讯作者: doppo@whoi.edu
刊名: NATURE
发表日期: 2009-01-01
卷: 460, 期:7259, 页:1113-1116
收录类别: sci
部门归属: [Oppo, Delia W.] Woods Hole Oceanog Inst, Dept Geol & Geophys, Woods Hole, MA 02543 USA; [Rosenthal, Yair] Rutgers State Univ, Inst Marine & Coastal Sci, New Brunswick, NJ 08901 USA; [Rosenthal, Yair] Rutgers State Univ, Dept Earth & Planetary Sci, New Brunswick, NJ 08901 USA; [Linsley, Braddock K.] SUNY Albany, Dept Atmospher & Environm Sci, Albany, NY 12222 USA
摘要: Northern Hemisphere surface temperature reconstructions suggest that the late twentieth century was warmer than any other time during the past 500 years and possibly any time during the past 1,300 years (refs 1, 2). These temperature reconstructions are based largely on terrestrial records from extra-tropical or high-elevation sites; however, global average surface temperature changes closely follow those of the global tropics(3), which are 75% ocean. In particular, the tropical Indo-Pacific warm pool (IPWP) represents a major heat reservoir that both influences global atmospheric circulation(4) and responds to remote northern high-latitude forcings(5,6). Here we present a decadally resolved continuous sea surface temperature (SST) reconstruction from the IPWP that spans the past two millennia and overlaps the instrumental record, enabling both a direct comparison of proxy data to the instrumental record and an evaluation of past changes in the context of twentieth century trends. Our record from the Makassar Strait, Indonesia, exhibits trends that are similar to a recent Northern Hemisphere temperature reconstruction(2). Reconstructed SST was, however, within error of modern values from about AD 1000 to AD 1250, towards the end of the Medieval Warm Period. SSTs during the Little Ice Age ( approximately AD 1550-1850) were variable, and similar to 0.5 to 1 degrees C colder than modern values during the coldest intervals. A companion reconstruction of delta O-18 of sea water-a sea surface salinity and hydrology indicator-indicates a tight coupling with the East Asian monsoon system and remote control of IPWP hydrology on centennial-millennial timescales, rather than a dominant influence from local SST variation.
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/8413
Appears in Collections:海洋科技动态信息-印太暖池系统研究_期刊论文

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Oppo, DW; Rosenthal, Y; Linsley, BK.2,000-year-long temperature and hydrology reconstructions from the Indo-Pacific warm pool,NATURE,2009,460(7259):1113-1116
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