While the Antarctic sea ice has expanded beyond levels that researchers have seen in the past, experts point to overall atmospheric changes, including shifts in pressures and winds, which can drive ice formations. TheNational Snow and Ice Data Centerreported that as of Sept. 19, for the first ...
Upside-down "rivers" of warm ocean water may be one of thecausesof Antarctica's ice shelves breaking up, leading to a rise in sea levels. A new study suggests that, in the past, increases in Antarctic sea ice in colder climates may have contributed to ice ages. Using computer simulations...
There is mounting evidence that loss of sea ice has affected multiple levels of the marine food web in a complex fashion and has triggered cascading effects. Impacts on primary production, Antarctic krill, fish, marine mammals and birds are assessed, and are both negative and positive. The ...
If all the ice in the Antarctic melted, global sea levels would rise hugely.相关知识点: 试题来源: 解析 正确答案:Y 解析:根据题干中的信息词the Antarctic和sea levels定位到第一个小标题下的第一段,可知南极的冰非常多,如果冰全部融化,全球海平面就将大幅上升,故该句表述正确。
If the goals of the 2015 Paris Climate Agreement are not met, the Antarctic ice sheet will melt, resulting in global sea levels rising to the point where humanity will have to "give up ... New York," according to a new study.
The importance of ice shelves The Antarctic ice sheet contains enough ice to raise global sea-levels byabout 58m(190ft) if it melted entirely. Most is held in East Antarctica, which has been relatively stable in recent years and is not expected to collapse in the near future. ...
The Antarctic ice sheet has the potential to raise global sea levels by tens of meters. "What we know for certain," said Levermann, "is that not stopping the burning of coal, oil and gas will drive up the risks for coastal metropolises from New York to Mumbai, Hamburg or Shanghai."■...
Sea ice is frozen seawater that floats on the ocean. It is found in both the Arctic and Antarctic Oceans, expanding its areal coverage significantly in the winter and mostly melting in the winter. Antarctic sea ice extends to an area of about 7 million square kilometers in the winter, slig...
even with warming numbers far higher than I think are credible. That’s because ice melting in Greenland and other glaciers is offset by increasing snow pack in Antarctica (melting sea ice has no effect on ocean levels, since the ice floats, for the same reason that ice melting in your ...
解析 C 第一步,找定位词:sea levels rise。 第二步,在材料中找和定位词对应的内容,发现定位词对应第③句中的As the ocean warms和an upward movement of nutrient-rich sea,且第④句中的this指代第③句的内容,题目问及“南极海平面上升会发生什么?”,根据定位词,判断答案出自材料第③④句,本题答案为C。