模拟了21世纪的模拟面气候变化。海平面的分析升高，新成果发表在7月在线出版的显示《自然—地球科学》期刊上。海平面的海洋升高。格陵兰岛周围海洋的亚表变暖程度将是全球平均水平的两倍，而南极洲附近海洋变暖程度只有全球平均水平的变暖一半。格陵兰岛和南极州冰原周围的模拟面海洋亚表面温度将分别升高 1.7℃~2℃和0.5℃~0.6℃，这种变暖趋向将导致冰原的分析大量融化、他们发现在海洋下200米~500米深处之间，显示这种变暖趋向将导致冰原的海洋大量融化、

Nature：模拟分析显示海洋亚表面将变暖

2011-07-26 09:34 · alenjin

格陵兰岛和南极州冰原周围的亚表海洋亚表面温度将升高，在21世纪的变暖进程中，

他们的模拟面模拟结果显示，

Jianjun Yin和同事利用19个基于中等排放水平的分析全新气候模式，

 

生物探索推荐英文论文摘要：

Nature Geoscience (2011)

Doi:10.1038/ngeo1189

Different magnitudes of projected subsurface ocean warming around Greenland and 显示Antarctica

Abstract:

The observed acceleration of outlet glaciers and ice flows in Greenland and Antarctica is closely linked to ocean warming, especially in the subsurface layer. Accurate projections of ice-sheet dynamics and global sea-level rise therefore require information of future ocean warming in the vicinity of the large ice sheets. Here we use a set of 19 state-of-the-art climate models to quantify this ocean warming in the next two centuries. We find that in response to a mid-range increase in atmospheric greenhouse-gas concentrations, the subsurface oceans surrounding the two polar ice sheets at depths of 200–500 m warm substantially compared with the observed changes thus far. Model projections suggest that over the course of the twenty-first century, the maximum ocean warming around Greenland will be almost double the global mean, with a magnitude of 1.7–2.0 °C. By contrast, ocean warming around Antarctica will be only about half as large as global mean warming, with a magnitude of 0.5–0.6 °C. A more detailed evaluation indicates that ocean warming is controlled by different mechanisms around Greenland and Antarctica. We conclude that projected subsurface ocean warming could drive significant increases in ice-mass loss, and heighten the risk of future large sea-level rise.

Figure 1: Recent observed and ensemble mean projections of subsurface (200–500 m) ocean temperatures under the A1B scenario.

Figure 2: Projections of subsurface ocean warming during 2091–2100 and 2191–2200 under the A1B scenario.

Figure 3: Ocean warming as a function of depth.

Figure 4: Changes of ocean surface heat flux and ocean heat transport (TW).

研究人员指出，

摘要：通过气候模拟分析，环绕两个冰川的海洋温度的变暖程度将大大超过目前的温度变化。

很赞哦!（66）