The variability of climate in Indian Ocean sector of East Antarctica over the past 350 years

Abstract

The temperature and snow accumulation rate anomaly over the past 350 years have been reconstructed based on isotopic composition of shallow ice cores and snow pits samples as well as glaciological observations in pits and at stake farms located in Indian Ocean sector of East Antarctica. The relationship of temporal variability of isotopic composition of precipitation and surface air temperature in ensemble with sea surface temperature has been analyzed. The fingerprints of Little Ice Age and climatic shift 1970s have been defined. We have also figured out the influence of non-climatic drivers on the formation of signal in stable water isotopic series.

Keywords

• антарктида
• изотопный состав
• ледяные керны
• палеоклимат
• скорость снегонакопления