Many oceanic islands are volcanic.
很多海洋岛屿是火山岛。
Soon layer of oceanic ooze began to accumulate above the old hard layer.
很快，海洋软泥层开始在原先的硬地层上面堆积起来。
There are three basic processes that cause a change in oceanic salinity.
导致海洋盐度变化有三个基本过程。
To serve as responsible stewards of the planet, we must press forward on deeper atmospheric and oceanic research.
为了成为地球上有责任心的一员，我们必须推进对大气和海洋更深入的研究。
Most oceanic islands are similar to one another in latitude and contain plants and animals typical of tropical islands.
大多数海洋岛屿彼此都纬度相近，并且都有热带岛屿典型的动植物。
The oceanic plate is made of denser and heavier rock, so it begins to sink down under the continental plate and into the mantle.
海洋板块是由密度更大、更重的岩石构成的，所以它开始下沉到大陆板块之下，到地幔之中。
The oceanic volcanic islands and their hot-spot trails are thus especially useful for geologists because they record the past locations of the plate over a fixed source.
海洋火山岛和它们的热点轨迹对于地质学家尤其有用，因为它们记录了过去的板块在固定地点之上的位置。
If that happens, slab pull could draw the oceanic crust under the continent, actually causing the Americas to move eastward toward Europe and the ocean floor to get smaller.
若果真如此，岩板拉力会将海洋地壳拖拽到大陆之下，实际上会使美洲大陆向东移动靠近欧洲，海床也会缩小。
This idea was modified in the late twentieth century, when geologists and oceanographers examining oceanic sediment found fossil evidence of warming and cooling of the oceans.
在20世纪后期，地质学家和海洋学家在研究海洋沉积物时发现了能够证明海洋变暖和变冷的化石，并修正了这一观点。
So we have been fairly thorough in our discussion about coral reefs, which of course are prominent, oceanic features made of hard limestone skeletons produced by tiny coral animals.
我们对珊瑚礁的讨论已经相当深入了；显然，珊瑚礁具有显著的海洋特征，由小型珊瑚动物制造的石灰骨架构成。
These seas have a typical oceanic floor, except that the floor is overlaid by several kilometers of sediment.
这些海洋有一个典型的海底，只不过这个海底被几公里厚的沉积物覆盖。
Stephen Jay Gould, for example, argues that continental drift theory was rejected because it did not explain how continents could move through an apparently solid oceanic floor.
例如，斯蒂芬·杰伊·古尔德认为，大陆漂移理论之所以被否决，是因为它没有解释大陆是如何穿过明显很坚固的海底的。
With water levels rising, we may as well start thinking about oceanic living.
随着水位线越来越高，或许我们也应该开始考虑在海洋中居住。
Danger of "runaway warming", perhaps spurred by release of oceanic methane hydrates.
也许海洋甲烷水合物的释放将导致“变暖失控”的危险出现。
Some experts believe that Marine dysoxia may be responsible for major oceanic extinctions.
一些专家认为，海洋缺氧可能是主要海洋物种灭绝的元凶。
Since the 1950s, the oceanic whitetip has declined 85% in the northwest and central Atlantic.
从上世纪50年代起，大西洋西北部和中部的远洋白鳍鲨数量减少了85%。
Over the next several centuries, oceanic pH may change more than it has in the last 300 million years.
在接下来的几个世纪中，海洋的PH值可能比过去3亿年变化的还要大。
If we're going to design things in the future, we may want to actually factor in oceanic waves going up.
假如我们在以后设计东西的时候，我们确实应该考虑一下海浪上涨的因素。
Thousands of fish and other oceanic creatures use electrical fields to help them perceive their environments.
数千种鱼类和其它海洋生物使用电场来帮助自己感知周边环境，其中最著名的就是电鳗。
It is a reasonable assumption that as more plastic is produced and discarded, this will affect oceanic pollution.
我们可以合理的假设，随着更多的塑料被生产和被丢弃，这将影响到海洋污染。
Another oceanic resident, the quahog clam (Arctica islandica), is thought to be one of the longest lived metazoans of all.
另一位海洋居民—圆蛤被认为是世界上最长寿的后生动物。
Click here for a summary of the importance of the Atlantic Conveyor, a critical component of the oceanic circulatory system.
点击这里看一份关于大西洋输送带重要性的概述。大西洋输送带是海洋循环系统的重要组成部分。
Jellies are a desirable seafood alternative because they haven't been overfished like so many other oceanic sources of protein.
水母是一种可取的海鲜选择，因为它们还没有像其他海洋蛋白质来源一样被过度捕捞。
The study, published in the latest PLoS One, could help to explain why many oceanic sharks regularly venture into shallow coastal water.
这项研究发表在最新一期的PLoS One上，能够帮助解释为什么许多海洋鲨鱼定期地来到浅水海岸水域。
But geophysicists had thought that great subduction-zone earthquakes happened only where younger oceanic crust scrapes its way into the mantle.
但是在此之前，地球物理学者们认为，这种俯冲带大地震仅仅在年轻的海洋地壳挤入地幔处才可能发生。
To serve as responsible stewards of the planet, we must press forward on deeper atmospheric and oceanic research. But research alone is inadequate.
作为对地球负责任的管理者，我们应当进一步对大气层和海洋的状况做出更深入的研究，但是，仅仅停留于研究是不够的。
In other words, if you know how many native plants are on an oceanic island then you can predict almost perfectly how many exotic plants are there.
换句话说，如果你知道大洋中某个岛屿上有多少本地种植物，你就可以几乎准确预测那里有多少非本地种植物。
In other words, if you know how many native plants are on an oceanic island then you can predict almost perfectly how many exotic plants are there.
换句话说，如果你知道大洋中某个岛屿上有多少本地种植物，你就可以几乎准确预测那里有多少非本地种植物。
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