在温带和极地地区适应季节的规律变化可能是相对简单的。
Adaptations to the regular change of seasons in the temperate and polar regions may be relatively simple.
当雪落在高山或极地地区时，它可能成为冰川系统的一部分。
When snowfalls on high mountains or in polar regions, it may become part of the glacial system.
过去几年的卫星观测和潜艇调查显示，极地地区的冰层减少了，但最近的测量显示，冰层的减少量比之前设想的更为明显。
Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.
长期以来，科学家们一直怀疑有几个因素导致了地球极地地区比其他地区更大的温度波动。
Scientists have long suspected that several factors lead to greater temperature swings at Earths polar regions than elsewhere.
长期以来，科学家们一直怀疑，有几个因素导致了地球极地地区比其他地区更大的温度波动。
Scientists have long suspected that several factors lead to greater temperature swings at Earth's polar regions than elsewhere.
它的范围包括海平面的极地地区、4500米高的干燥的亚热带地区以及3500-4500米高的潮湿的热带地区。
It ranges from sea level in the Polar Regions to 4,500 meters in the dry subtropics and 3,500-4,500 meters in the moist tropics.
但是，要准确了解季节的变化怎样影响极地地区，同时还要知道冰的厚度。
But to understand exactly how climate change is affecting the polar regions, the thickness of the ice needs to be known too.
在磁场方向为北的情况下，电离层白昼侧的极地地区也有很强的能量传递。
There are times when the field is northward and there are strong flows in the dayside polar ionosphere.
据报道，整个北极地区都发生了不寻常的事件。
如果你去加拿大的北极地区，你会立刻了解到当地居民面临的问题。
If you visit the Canadian Arctic, you will immediately realize the problems faced by local people.
美国邮政周三上午宣布：“由于北极地区疫情的爆发，以及对美国邮政雇员安全的担忧，1月30日邮政将暂停大约3位数邮政编码地区的邮递服务。”
"Due to this arctic outbreak and concerns for the safety of USPS emplovees," USPS announced Wednesday morning," the Postal Service is suspending delivery Jan.30 in some 3 digit ZIP Code locations."
美国邮政署周三上午宣布：“由于北极地区遭遇严寒侵袭，出于对美国邮政员工安全的担忧，邮政部门将在1月30日暂停3位数邮政编码地区的邮递服务。”
"Due to this arctic outbreak and concerns for the safety of USPS employees," USPS announced Wednesday morning," the Postal Service is suspending delivery Jan.30 in some 3-digit ZIP Code locations."
现实情况是，南极地区存在地缘政治上的争议。
这一警报是由北极地区史无前例的事件所引发的。
导致这种奇怪的气温飙升的天气条件以前也曾出现在北极地区。
Weather conditions that drive this bizarre temperature surge have visited the Arctic before.
一旦扎根土壤，灌木林地就会生长茂盛，特别是在北极地区，因为北极地区的灌木丛比其他植物更善于利用土壤中的营养成分。
Once is established, shrubland thrives, particularly in the Arctic, because Arctic shrubs are good at taking advantage of increased nutrients in the soil, better than other Arctic plants.
大多数海洋生物都死了，余下的人类只能困居于高地和极地区域。
Most sea life is dead. Human refugees now confined entirely to highland areas and the polar regions.
极地区域与地球其他地方在大气和海洋方面是紧密相连的。
The polar regions are connected to the rest of the planet by the atmosphere and the ocean.
火星极地区域的沉积物很可能记录了遥远岁月的变迁信息。
The layered deposits in the polar regions of Mars should hopefully have recorded these changes over millions of years.
两极地区的臭氧恢复将受气候变化的影响最小。
Ozone recovery at the poles will be minimally affected by climate change.
南极地区的数据反映了南极冰盖质量的变化。
Measurements taken over the south pole reflect changes in the mass of the Antarctic ice sheets.
他说：“我们将来居住在火星上，就像居住在南极地区一样。
“We’regoing to live on Mars the way we live in Antarctica, ” he says.
我们在高纬度的北极地区寻找化石，在潮湿冰冻的环境下徒手搬动数百吨的岩石。
We search for fossils in the high Arctic, moving hundreds of tons of rock by hand in wet, freezing conditions.
他还说：相反，居住在北极地区的哺乳动物长出了一层脂肪，起到了御寒的作用。
Conversely, he said, mammals that live in arctic regions develop a layer of fat to insulate against the cold.
北极地区的钻探和运输都将带来巨大的危险。
The dangers of drilling and transportation in the Arctic are great.
不过，在一些地方，比如浮冰界附近较低纬度（副极地）地区，这种趋势远快于平均水平。
In some places, however, the trends were far larger than the average, espcially around the lower-latitude edges of the ice pack.
大多数昆虫在两极地区不存在。
北极地区的变化将不仅影响到因纽特人。
Changes in the Arctic region will affect not just the Inuit.
北极地区的变化将不仅影响到因纽特人。
Changes in the Arctic region will affect not just the Inuit.
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