To describe icebergs as floating ships.D. To tell the unbelievable size of icebergs.25. What can we learn from the passage?DA. The temperature in Arctic is rising faster than that in Antarctica.B. The ocean food chain breaks due to the melting of icebergs.C. Floating icebergs help shelter...
However, large bergs can also trap sea ice,preventing its annual breakup and thus stopping phytoplankton(浮游植物)from getting life-giving sunlight, breaking the food chain at itsfirst link.Icebergs will continue to astonish and attract visitors to the polar regions with their sizeand extraordinary ...
5). Together, these findings suggest that a combination of high ice discharge and slower iceberg melting due to colder sea surface temperatures158 increased the supply of Fe-rich terrigenous material to sub-Antarctic waters during this interval, incidentally in a similar time frame to peak dust ...
The question is important because, regardless of ice thickness, whether it is on land or is a shelf, wave action, collapse due to instability, or temperature gradients, there is a specific amount of heat energy that must transfer into any mass of ice before it can melt. This is basic phy...
Used to infer relative timing in between lake levels. Represents a period of stability for the ice margin. Very faint in areas of low superficial cover (e.g. bedrock) and where narrow (due to minimal shadowing). Sporadically preserved along length of lake, and often discontinuously represented...
The Arctic Council,grouping nations with territory in the Arctic,is due to meet in Tromsoe,north Norway,Wednesday to debate the impact of melting ice in the north. 98.___is to blame for the unstableness of the northern ice front of the Wilkins Ice Shelf. A.Climate change B. Burning fo...
1), have also thinned in response to enhanced submarine melting from intrusion of warm circumpolar deep water (CDW)1,10 onto the continental shelf which weakens buttressing, resulting in accelerated ice flow1. In the Amundsen Sea sector of WAIS, where mass loss due to ice shelf thinning has...
Ice is removed mainly by calving, sometimes in the form of enormous tabular bergs. There is also some basal melt. Deformation rates along flowlines in the Ross Ice Shelf are only about one-tenth of those calculated from the formula for the spreading rate of an unconfined shelf. This is ...
loss of vegetation or drastic climate change, this issue poses other problems as well. The broken ice floats farther as icebergs, sheets or floes and has a crucial effect on the navigational traffic of related seas. Worth mentioning, accidents as well due to collision damage with icebergs or ...
scientists are curious to see what becomes of the glacier, icebergs, and sea ice off this part of Marie Byrd Land. Lowe added: “We’ll be watching to see if the bergs that broke off the Land Glacier ground and allow a new area of old fast ice to form over the nex...