搜索结果: 31-45 共查到“理学 Ice”相关记录506条 . 查询时间(0.203 秒)
Massive East Antarctic Ice Sheet Has History Of Instability（图）
East Antarctic Ice Sheet History Instability
font style='font-size:12px;'>
2017/12/19
The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice sheet on the planet. It's also thought to be among the most stable, n...
How Ice In Clouds Is Born（图）
Ice Clouds Born
font style='font-size:12px;'>
2017/11/24
Something almost magical happens when you put a tray full of sloshing, liquid water into a freezer and it comes out later as a rigid, solid crystal of ice. Chemists at the University of Utah have pull...
Research shows ice sheets as large as Greenland’s melted fast in a warming climate（图）
ice sheets as large as Greenland’s melted fast warming climate
font style='font-size:12px;'>
2017/11/24
New research published in Science shows that climate warming reduced the mass of the Cordilleran Ice Sheet by half in as little as 500 years, indicating the Greenland Ice Sheet could have a similar fa...
Massive Antarctic Volcanic Eruptions Linked to Abrupt Southern Hemisphere Climate Changes Near the End of the Last Ice Age（图）
Massive Antarctic Volcanic Eruptions Southern Hemisphere Climate Changes Last Ice Age
font style='font-size:12px;'>
2017/9/20
New findings published today in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) by Desert Research Institute (DRI) Professor Joseph R. McConnell, Ph.D., and ...
Record-low 2016 Antarctic sea ice due to ‘perfect storm’ of tropical,polar conditions（图）
record-low 2016 antarctic sea ice perfect storm tropical polar conditions
font style='font-size:12px;'>
2017/9/19
While winter sea ice in the Arctic is declining so dramatically that ships can now navigate those waters without any icebreaker escort, the scene in the Southern Hemisphere is very different. Sea ice ...
Hidden river once flowed beneath Antarctic ice（图）
Hidden river once flowed Antarctic ice
font style='font-size:12px;'>
2017/9/5
Antarctic researchers from Rice University have discovered one of nature’s supreme ironies: On Earth’s driest, coldest continent, where surface water rarely exists, flowing liquid water below the ice ...
Virginia Tech researchers find a new bacterium that helps turn water into ice（图）
Virginia Tech researchers new bacterium turn water ice
font style='font-size:12px;'>
2017/9/5
Pure water can stay in liquid form at temperatures as low as -40 degrees Fahrenheit, freezing at higher temperatures only when in the presence of "ice-nuclei" that are found in dust, some bacteria, so...
Methane-eating bacteria in lake deep beneath Antarctic ice sheet may reduce greenhouse gas emissions（图）
Methane-eating bacteria lake deep Antarctic ice sheet reduce greenhouse gas emissions
font style='font-size:12px;'>
2017/9/1
An interdisciplinary team of researchers funded by the National Science Foundation (NSF) has concluded that bacteria in a lake 800 meters (2,600 feet) beneath the West Antarctic Ice Sheet may digest m...
Ice cave in Transylvania yields window into region's past
Ice cave Transylvania yields window region past
font style='font-size:12px;'>
2017/7/19
Ice cores drilled from a glacier in a cave in Transylvania offer new evidence of how Europe's winter weather and climate patterns fluctuated during the last 10,000 years, known as the Holocene period....
Scientists make “squarest” ice crystals ever
Scientists squarest ice crystals ever
font style='font-size:12px;'>
2017/7/24
You won’t find ice cubes like this in your freezer.An international team of scientists has set a new record for creating ice crystals that have a near-perfect cubic arrangement of water molecules—a fo...
Black carbon persists in snow and ice around the world
Black carbon persists snow ice around the world
font style='font-size:12px;'>
2017/7/24
A new CU Boulder study comparing dissolved black carbon deposition on ice and snow in ecosystems around the world (including Antarctica, the Arctic and alpine regions of the Himalayas, Rockies, Andes ...
Rapid decline of Arctic sea ice a combination of climate change and natural variability
Rapid decline Arctic sea ice climate change natural variability
font style='font-size:12px;'>
2017/3/30
Arctic sea ice in recent decades has declined even faster than predicted by most models of climate change. Many scientists have suspected that the trend now underway is a combination of global warming...
Melting Sea Ice May Be Speeding Nature’s Clock in the Arctic
Melting Sea Ice Nature’s Clock the Arctic
font style='font-size:12px;'>
2017/3/14
Spring is coming sooner to some plant species in the low Arctic of Greenland, while other species are delaying their emergence amid warming winters. The changes are associated with diminishing sea ice...
How an Ice Age paradox could inform sea level rise predictions
Ice Age sea level rise
font style='font-size:12px;'>
2017/3/13
New findings from the University of Michigan explain an Ice Age paradox and add to the mounting evidence that climate change could bring higher seas than most models predict.The study, published in Na...
Arctic melt ponds form when meltwater clogs ice pores（图）
Arctic melt ponds meltwater clogs ice pores
font style='font-size:12px;'>
2017/2/16
When spring comes to the Arctic, the breakup of the cold winter ice sheets starts at the surface with the formation of melt ponds. These pools of melted snow and ice darken the surface of the ice, inc...