Climate impact of late quaternary equatorial pacific sea surface temperature variations

  title={Climate impact of late quaternary equatorial pacific sea surface temperature variations},
  author={Lea and Pak and Spero},
  volume={289 5485},
Magnesium/calcium data from planktonic foraminifera in equatorial Pacific sediment cores demonstrate that tropical Pacific sea surface temperatures (SSTs) were 2.8 degrees +/- 0.7 degrees C colder than the present at the last glacial maximum. Glacial-interglacial temperature differences as great as 5 degrees C are observed over the last 450 thousand years. Changes in SST coincide with changes in Antarctic air temperature and precede changes in continental ice volume by about 3 thousand years… CONTINUE READING
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