2002—2014年間基于海平面變化的海洋增暖趨勢(shì)研究
[Abstract]:Since the 21st century, global warming has entered a period of stagnation. Studies have shown that a large amount of heat entering the ocean depth is the main cause of the slow rise of the global average surface temperature. This paper estimates and studies the trend of sea-level change caused by thermal expansion in December 2002.4 and 2014.12 in order to detect the change of ocean thermal content. Based on the GRACE gravity satellite CSR RL05 data, the water quality change in the global ocean is calculated, and combined with the sea level anomaly data, the sea level change caused by the heat change is calculated. The correlation analysis between Net SLA and Ishii temperature data shows that there is a high correlation between, Net SLA and ocean thermal content, and the maximum correlation coefficient is 0.95. Considering that the ocean observation can only show the change of the heat content of the upper layer of the ocean, and the change of sea level excluding the change of water quality reflects the change of the thermal content of the whole ocean, it is a favorable tool for estimating the speed and speed of the warming trend of the ocean. The results show that there is an accelerated warming trend in the South Pacific Ocean and the Southern Indian Ocean from 2002 to 2014, and the enhancement of the annular mode in the Southern Hemisphere is the main cause of the warming in recent years.
【作者單位】: 中國(guó)科學(xué)院海洋研究所;中國(guó)科學(xué)院大學(xué);青島海洋科學(xué)與技術(shù)國(guó)家實(shí)驗(yàn)室海洋動(dòng)力過(guò)程與氣候功能實(shí)驗(yàn)室;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目,41676168號(hào),41376028號(hào);國(guó)家自然科學(xué)基金創(chuàng)新研究群體項(xiàng)目,41421005號(hào) 國(guó)家重點(diǎn)研發(fā)計(jì)劃項(xiàng)目,2016YFC1401004號(hào),2016YFC1401008號(hào) 國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(973)項(xiàng)目,2013CB956202號(hào) 國(guó)家自然科學(xué)基金-山東省-海洋科學(xué)研究中心聯(lián)合資助項(xiàng)目,U1406401號(hào) 遙感科學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室開放研究基金項(xiàng)目,OFSLRSS201504號(hào) 青島市創(chuàng)業(yè)創(chuàng)新領(lǐng)軍人才計(jì)劃項(xiàng)目,13-CX-26號(hào) 山東省自然科學(xué)基金項(xiàng)目,ZR2014DQ027號(hào)
【分類號(hào)】:P731
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