亚洲视频综合网-亚洲视屏在线-亚洲视屏在线观看-亚洲视色-久久久久国产视频-久久久久国产一级毛片高清版

Welcome to Guangdong saide Industrial Group Co., Ltd.
Service hotline:
0755-29490339

Arctic ice melting at an alarming rate 2040 may be completely ice-free existence

Time:2018-01-06 Views:286
According to a report by Russian satellite network on May 5, a new report released by Arctic Council Arctic Monitoring and Evaluation Plan (AMAP) Working Group said that the Arctic is rapidly melting and may be completely ice-free by 2040. In the meantime, a study by the University of Leeds in the United Kingdom found that in Antarctica, ice melts at a rate of about one-third of its expected value.
Why Arctic ice and snow melted so fast, and Antarctic ice and snow melting speed so slow? Reported that the reason for this problem is more complicated. On the surface, there are many similarities between the North Pole and the Antarctic: both are cold, sparsely populated, snow-covered wastelands at two levels of the Earth. But they are also fundamentally different: the Arctic is a sea surrounded by land (such as Alaska, Canada and the northern part of Russia), while the Antarctic is a land surrounded by the sea. The Arctic is thought to be essentially a giant ice mass in the Arctic Ocean, while Antarctica is land covered by snow and ice.
The report said that "essentially, the two effects of global warming can be offset by each other in the context of Antarctica. Both polar sea ice are melting at a faster rate (the number of sea ice both hit a record low in February ), The snow cover in Antarctica has resulted in the formation of ice sheets in some areas. "
Climatologists point out that increasing snowfall is another side effect of climate warming. One of the consequences of global warming is the increase in ocean evaporation, as the heat of the ocean sends water vapor into the atmosphere. As the water vapor in the atmosphere increases, rainfall and snowfall will also increase accordingly.
In the past, snowfall in Antarctica was rare, but the warming of the mainland led to a wider range of frequent snowfalls in Antarctica. In contrast, however, the amount of ice in the Arctic has been steadily declining since the early 2000s.
Simply put, since the Arctic is cold, only less water vapor can enter the atmosphere. This means that there is very little snowfall in the Arctic and snowfall is scarce.
Antarctica has its own wind and ocean current, and thus isolated from the trend of global warming, while the Atlantic Ocean winds and the Arctic Ocean has brought a greater impact.
  • Previous:  2018/01/09
  • Next:British media said China will dominate the world electric car market  2018/01/06
  • 主站蜘蛛池模板: 日韩一级在线 | 萌白酱一线天粉嫩喷水在线观看 | 亚洲 欧美 自拍 卡通 综合 | 六月丁香深爱六月综合激情 | 天天干天天夜 | 色老头免费视频 | 涩五月婷婷| 午夜国产精品理论片久久影院 | 午夜日韩在线 | 三级黄a| 久国产精品久久精品国产四虎 | 午夜精品视频在线观看 | 亚洲国产精品第一区二区 | 亚洲精品香蕉婷婷在线观看 | 男女视频在线观看免费 | 国产va在线播放 | 一级毛片一级毛片一级毛片aa | 天天操夜夜添 | 天堂在线视频 | 欧美精品xxxxbbbb | 久久伊人男人的天堂网站 | 免费看黄色毛片 | 狠狠色噜噜 | 日本黄色美女网站 | 亚洲激情都市 | 成人午夜大片免费看爽爽爽 | 亚洲最新 | 精品女同 | 欧美12一13高清视频 | 久久精品国产2020观看福利色 | 亚洲国产成a人v在线观看 | 美女很黄很黄是免费的·无遮挡网站 | 精品国产污网站在线观看15 | 高h水果榨汁play男男 | 午夜视频色 | 激情六月婷婷 | 伊人久久大香线蕉综合影 | 怡红院色视频在线 | 男男互攻h啪肉np文厉世 | 精品一区二区三区在线视频 | 久久精品国产精品亚洲精品 |