One idea is as you suggest that major weather patterns, something like El Nino, are responsible.
一种观点是，像你说的那样，主要的天气模式如厄尔尼诺现象，才是罪魁祸首。
El Nino, Spanish for "the child", occurs when surface ocean waters in the southern Pacific become abnormally warm.
“El Nino（厄尔尼诺）”在西班牙语中是“孩子”的意思，当南太平洋表层海水异常变暖时，会出现厄尔尼诺现象。
El Nino, the same climate disruption that affects the Pacific today, may have helped scatter the Lapita, Anderson suggests.
安德森认为，厄尔尼诺现象，也就是今天影响太平洋的气候波动，可能让拉皮塔人更加分散。
If you look at how El Nino affects all the nations around the Pacific Rim, Australia is often thought of prominently in that regard.
如果你观察一下厄尔尼诺现象是如何影响环太平洋地区的所有国家，澳大利亚经常被认为是这方面的突出代表。
Many scientists believe that El Nino events, caused by warming in the Pacific, are becoming more intense as a result of climate change.
许多科学家认为，由于气候变化，太平洋变暖引起的厄尔尼诺现象正愈演愈烈。
The regional model successfully simulates key features of the region's present-day cloud fields, including the observed response of clouds to El Nino.
区域模型成功地模拟了该区域当今云场的关键特性，包括观测到的云区对厄尔尼诺现象的反应。
The contribution of the recent model is to show that the winds of an El Nino, which raise sea level in the cast, simultaneously send a signal to the west lowering sea level.
最近的模型的贡献在于，它显示了厄尔尼诺现象的风在使海平面上升的同时，也向西方发出了海平面下降的信号。
El Nino usually lasts for about 18 months.
厄尔尼诺现象通常会持续18个月。
The most devastating El Nino occurred in 1997.
最具破坏性的厄尔尼诺现象发生在1997年。
The most devastating El Nino occurred in 1997.
最具破坏性的厄尔尼诺现象发生在1997年。
La Nina is essentially the opposite of an El nino.
拉尼娜本质上就是个相反的厄尔尼诺。
A La Nina is essentially the opposite of an El nino.
拉尼娜本质上就是个相反的厄尔尼诺。
But the Noaa spokesman said not all not all effects of El nino are negative.
但是，美国国家海洋和大气局发言人说，并非所有的厄尔尼诺影响都是负面的。
On the positive side, el nino can help to suppress Atlantic hurricane activity.
其积极的一方面是，厄尔尼诺现象有助于遏制大西洋飓风活动。
El nino, a periodic warming of the eastern Pacific Ocean, is part of the answer.
厄尔尼诺现象，太平洋东部定期变暖，是答案的一部分。
During an El nino, the trade winds falter, and sometimes even reverse, for months.
在厄尔尼诺发作期间，信风连续几个月软弱无力，有时甚至倒转风向。
The fires were spread by a prolonged drought brought by an El nino weather pattern.
厄尔尼诺现象造成长期干旱，致使大火蔓延成灾。
Researchers at Australia's Bureau of Meteorology agree that an El Nino event is likely.
澳大利亚国家气象局的科学家们也认为很可能会出现厄尔尼诺现象。
During an El nino episode, the central and eastern Pacific Ocean are warmer than normal.
在厄尔尼诺发生期，太平洋中部和东部水温偏高。
The El Nino phenomenon returned last year, so we expected the higher temperatures this year.
去年又出现厄尔尼诺现象，所以我们预计今年的温度会更高。
Then, in 1998, an el nino episode in the Pacific Ocean set off a record-setting hot spell.
接着，在1998年，太平洋的厄尔尼诺事件引发了一段创纪录的高温时期。
An El Nino event occurs when water temperature in the eastern part of the Pacific Ocean rises abnormally.
当太平洋东部的海水水温异常攀升时，就会产生厄尔尼诺现象。
During El nino events, strong winds can slow Earth's rotation by a fraction of a milli-second every 24 hours.
在厄尔尼诺现象期间，暴风会使地球的自转速度慢下来，大约是每24小时减慢一个毫秒的几分之一。
In years of El nino, the researchers found, the annual risk of conflict in their 93 tropical countries was 6%.
研究人员发现，在厄尔尼诺时期，93个热带国家的年度冲突风险为6%。
The paper confirms that the temperature spike that year was caused primarily by a very strong El nino episode.
该研究报告证实，那年全球温度的上升主要是由一个非常强烈的厄尔尼诺现象造成的。
Our studies have shown that the spring and summer following an El Nino year are warmer than normal in India.
我们的研究已表明，在厄尔尼诺年后，印度的春季和夏季要比正常温度高。
Sea temperatures in the Galapagos vary between 23c and 29c in normal years, but can rise to 30c in El nino years.
在正常的年份中，加拉帕戈斯群岛的海洋温度在23摄氏度和29摄氏度之间变化，但在厄尔尼诺年份期间，其海洋温度能上升到30摄氏度。
Some research has even suggested that hurricanes could trigger or enhance El Nino conditions in the Pacific Ocean.
一些研究甚至表明飓风可以触发或加强太平洋的厄尔尼诺现象的状况。
In some instances El Nino seems to counteract the volcanic effects; in others, they seem to reinforce one another.
有时候厄尔尼诺现象似乎抵消了火山爆发的影响，而另外一些时候则是加强了。
In some instances El Nino seems to counteract the volcanic effects; in others, they seem to reinforce one another.
有时候厄尔尼诺现象似乎抵消了火山爆发的影响，而另外一些时候则是加强了。
应用推荐