Sea ice trends in the Antarctic and their relationship to surface air temperature during 1979–2009
作者： Qi Shu , Fangli Qiao , Zhenya Song , Chunzai Wang
DOI: 10.1007/S00382-011-1143-9
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摘要: Surface air temperature (SAT) from four reanalysis/analysis datasets are analyzed and compared with the observed SAT 11 stations in Antarctic. It is found that variation Goddard Institute for Space Studies (GISS) best to represent SAT. Then we use sea ice concentration (SIC) data satellite measurements, GISS dataset station observations examine trends variations of Antarctic during 1979–2009. The extent (SIE) shows an increased trend 1979–2009, a rate 1.36 ± 0.43% per decade. Ensemble empirical mode decomposition analysis has been accelerating past SIE depends on season, maximum increase occurring autumn. If relationship between SIC examined regionally, agree well local most regions. That is, show inverse relationship: cooling (warming) associated upward (downward) trend. also concluded should be regionally rather than integrally.
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