气候变化及周期性的厄尔尼诺现象引起的海水变暖，已经造成了大面积的珊瑚礁在所谓的“漂白”事件中消失殆尽。
Warmer sea temperatures caused by climate change and periodic El Nio events have caused large areas of coral to be wiped out in so-called "bleaching" events.
地球轨道的周期性变化会影响地球的气候。
Periodic changes in Earth's orbit could affect Earth's climate.
我们观察到每年搁浅的鲸鱼数量有明显的周期性，这与一个主要的气候周期相吻合。
We observed a clear periodicity in the number of whales stranded each year that coincides with a major climatic cycle.
由于气候变化及周期性的厄尔尼诺现象而引起的海水变暖已经造成了大面积的珊瑚礁消失殆尽——即所谓的“漂白”现象。
Warmer sea temperatures caused by climate change and periodic El Niño events have caused large areas of coral to be wiped out in so-called "bleaching" events.
科学家已经发现气候变化会引发周期性的强降水与随后断续的干旱天气。
Scientists have found that climate change can trigger periods of intense rainfall followed by long spells of dry weather.
其中有自然原因：2006年以来，加州一直处于一个周期性干旱中，而气候变化是对州内山区积雪的长期威胁。
Some of the reasons are natural; California has been in one of its periodic droughts since 2006, and climate change is a long-term threat to the state's mountain snowpacks.
其他对于大堡礁及其生态系统的环境压力来自径流的水质问题，伴随着大规模珊瑚白化的气候变化以及棘冠海星的周期性爆发现象。
Other environmental pressures to the reef and its ecosystem include water quality from runoff, climate change accompanied by mass coral bleaching, and cyclic outbreaks of the crown-of-thorns starfish.
科研人员在《自然-气候变化》月刊上称，这种情况可能会在数年发生一次，而且在本世纪仍会周期性发生，尽管全球气候变暖的趋势仍在继续。
This could happen for years at a time, and it could happen periodically this century, even as the overall warming trend continues, the researchers reported in the journal Nature Climate Change.
就像自然一样，气候风险的运行同样具有周期性。
背离主流思想，一些科学家认为气候变暖根本不存在，因为全球气候是周期性的。
Deviated from the mainstream, some scientists claim that climate warming doesn't exist at all, for the global climate is periodic.
气候降水是该区水资源的主要来源之一，也是影响该区水资源周期性变化的主要因素之一。
Climate rainfall is not only one of main sources of water resources, but also one of major factors affecting periodic change of water resources over this region.
厄尔尼诺是赤道附近的太平洋周期性变暖现象，引发风暴和其它气候事件，历史上每三至七年发生一次，持续时间可长达两年。
El Ni? O, the periodic warming of the equatorial Pacific that induces storms and other climatic events, historically occurs once every three to seven years and lasts for up to two years.
气候条件的周期性变化可引起湖平面、沉积物供给和沉积物类型的变化，从而控制湖盆沉积充填和湖平面的变化。
Cyclical changes in climate conditions could cause the changes of lake level, sediment supply and sedimentation types, then impact the lake basin deposit and the lake level fluctuation.
我认为他们已经很好地证明了这一点。周期性气候变化与动物种群中一再发生的我们习以为常的消亡之间存在相关性。
I think they've nicely demonstrated a correlation between periodic climate events and what we'd recognize as normal turnover in fauna that would happen over and over again, Barnosky said.
内容提要：由于受气候条件、节假日、人们的风俗习惯、人口和国民经济增长等因素的影响，客运量呈现出周期性的增长趋势变化。
Abstract: Due to weather conditions, holidays, people's customs, population and economic growth and other factors, the volume of passenger traffic shows a cyclical growth trend.
应用该方法可以判断气候演变过程的持续性或周期性存在与否，进而可以为古气候重建和环境预测提供必要的科学依据。
The result indicated that this method was very useful to study the cycles of climatic change, which provides vital reference for paleoclimatic reconstruction and paleoenvironmental forecast.
气候的周期性变化使河流发生周期性的堆积与侵蚀，会形成一系列阶地。
Periodic climate changes cause periodic river accumulation and erosion, resulting in a series of benches.
气候的周期性变化使河流发生周期性的堆积与侵蚀，会形成一系列阶地。
Periodic climate changes cause periodic river accumulation and erosion, resulting in a series of benches.
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