The Relationships Between Winter Temperature/summer Rainfall Anomalies In China And Global Sea Thermal Anomalies

Using monthly temperature and rainfall data of 160 stations in China and global sea surface temperature and heat content data, diagnostic analysis is performed by means of harmonic analysis, correlation analysis, SVD and corresponding statistical significance test methods. The results are outlined as following, 1) Anomaly fields have their larger inter-decadal component percentage but smaller inter-annual one in both climate and sea thermal elements. 2) The negative correlation between contemporary temperature and precipitation in China is evident, especially in summer. 3) The anomaly interaction of global sea thermal elements with climate elements is of persistence from previous summer/winter through current winter/summer with relative stable interaction areas on inter-decadal time scale. While their abrupt climate change did not occur simultaneously. 4) The remote response of winter temperature to the forcing of ocean thermal anomalies bears unanimous trend all over the country. As for rainfall, it has more than one mode. 5) The spatial distribution pattern of sea surface temperature anomaly over the East Pacific is related to El Nino, as indicates inter-decadal climate oscillation for the strong inter-annual events. 6) Both warming and cooling anomalies over the North Pacific and the North Atlantic contribute a great part to inter-decadal global sea thermal variations, and they may be valuable for climate change prediction.