What is happening now could mark one of those sea changes in public policy that seem to come along once in every generation.

今日之事，不过是每代人都会经历一次的公共政策变化罢了。

We are seeing sea changes in the way people demand access to their information and applications, "Marie Wieck, general manager, application and integration middleware at IBM, said in a statement."

“我们看到了人们要求获得他们的信息和应用海水的变化，”玛丽·威克，总经理，应用以及IBM集成中间件，在声明中说。

That means a higher proportion of what is in the sea is being caught, so the real difference between present and past is likely to be worse than the one recorded by changes in catch sizes.

这意味着更多的海洋生物正在被捕捞，所以现在和过去之间的真正差异可能比捕捞量变化所记录的更糟糕。

Changes in climate before that period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs.

在此之前，气候的变化导致了海平面的剧烈波动，恐龙因此灭绝。

Changes in climate before the Cretaceous period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs.

白垩纪以前的气候变化导致了海平面的剧烈波动，引发了恐龙的灭绝。

In lower-latitude areas, including the Arabian Sea and the waters around Indonesia, seasonal blooms are often linked to monsoon-related changes in winds.

在包括阿拉伯海和印度尼西亚附近海域的低纬度地区，季节性水华往往与季风变化相关。

Previously, it has been held that carbon dioxide in the atmosphere was the cause of the ocean being fertilised, as rising levels brought climatic changes, washing more nutrients into the sea.

以前，人们一直以为是大气中二氧化碳为海洋施了肥，因为二氧化碳浓度的增加导致气候变化，使更多营养物质流入海洋。

Ocean waters are becoming warmer and more acidic, and sea levels are rising. All these changes threaten life in the oceans.

另一个威胁是气候变化，海洋的水温不断升高，水质日益酸化，海平面日益上升，所有这些变化都在威胁海洋生物。

Theories include sea level changes, ground subsidence as the result of earthquakes, or a tsunami.

海平面变化；地震造成的地平面下降和海啸。

"Our analysis of snow and sea ice changes over the last 30 years indicates that this cryospheric feedback is almost twice as strong as what models have simulated," Flanner said in a press release.

我们关于过去30年的雪和海冰变化的分析表明，该冰冻圈反馈强度几乎是模式模拟的两倍。

The researchers foundthat as long as the grounding line is on the outer rise of the sea bed, before the lip, small changes in climate lead to correspondingly smallchanges in the glacier's ice volume.

研究人员发现只要地平线处于海床的外部隆起处，在裂缝增加之前，气候的轻微变化就会相应导致冰川体积的微妙变化。

The biggest changes have come in features that have been seen as some of the slowest movers in the climate system: the melting of glaciers and the resulting rise in global sea levels.

过去认为是气候系统中不易改变的特征，如今变化最大：冰川融化以及海平面上升。

Timmermann suspects the actual changes in sea surface temperature are due to natural variability in the ocean that canceled out the human-caused changes predicted by the models.

Timmermann怀疑海面温度的实际变化是由于海洋的自然变化，它掩盖了根据模型预测出的人为造成的变化。

Therefore, changes in the sea ice cover have a significant effect on the global energy balance.

因此，海冰覆盖状态的变化能给全球能量平衡带来巨大影响。

Cooling in Europe is unlikely due to global warming, but oceanic changes alter weather patterns and lead to higher than average sea level rise in the eastern US and UK.

全球变暖让欧洲不大可能再降温，但海洋变化将改变天气模式并导致在美国东部和英国的海平面上升得比其他地方更快。

We've seen it in temperature, and increases in atmospheric humidity, we've seen it in salinity changes. We've seen it in reductions in Arctic sea ice and changing rainfall patterns," Dr Stott said.

在气温、气湿增加、盐度变高、北极冰山减少和雨林模式变化中都发现了人类的痕迹，” 斯托特博士说，“我们观察到的结果和现实严峻的形式一致。

We've seen it in temperature, and increases in atmospheric humidity, we've seen it in salinity changes. We've seen it in reductions in Arctic sea ice and changing rainfall patterns, " Dr Stott said.

在气温、气湿增加、盐度变高、北极冰山减少和雨林模式变化中都发现了人类的痕迹，” 斯托特博士说，“我们观察到的结果和现实严峻的形式一致。

Their very existence is now endangered by changes in ocean movement and rising sea temperatures, which also threaten the entire reef ecosystem.

他们面临着海的移动和海面温度的提升带来的危险，同时，这也威胁到整个礁石生态系统。

But the real value of the project will be the ability to map changes in the thickness of the sea ice over time, as further maps are produced.

但是该项目的真正价值是，随着更多地图的出炉，可以绘制海冰厚度随时间变化的地图。

Scientists have long suspected that loss of sea ice was responsible, but other factors such as changes in wind, clouds and ocean currents have also been blamed.

科学家早就怀疑海冰的融化是造成这种情况的罪魁祸首，其他可能的原因包括风 ，云和洋流的影响。

This transition to living in the sea involved changes from paddling with limbs to undulating the body to oscillating a tail, such as the horizontal tail flukes in modern whale species.

这种转变包括从用前肢划水到身体波动再到尾巴摆动，就像现代鲸鱼的水平尾鳍。

One consequence of these past temperature swings has been dramatic changes in sea levels, and this is where Hansen gets unnerved by his data.

过去这些气温摆动的一个后果就是海平面的急剧改变，而这恰是Hansen在他的数据中感到不安的地方。

One, published July 11 in Nature Geoscience predicts future patterns of sea-level rise using a combination of recorded changes and climate modeling to simulate the last 50 years of change.

其中一个在7月11日发布在《自然地球科学》(Nature Geoscience)上，根据历年记录的变化数据和气候模型模拟出近50年来的海平面变化，以此预测未来的海平面变化规律。

Observed changes in sea-level height in the Indian Ocean during 1961-2008 (Han et al.)

1961-2008 年间印度洋海平面高度变化的观察数据（由 Han 等人得出）