搜索结果: 31-45 共查到“国际动态 海洋地质学”相关记录56条 . 查询时间(1.805 秒)
Smithsonian Scientists Find That the Earth Sank Twice,Flooding the Western Amazon
Smithsonian Scientists the Earth Sank Twice Flooding the Western Amazon
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2017/7/19
A tiny shark tooth, part of a mantis shrimp and microscopic marine organisms reveal that as the Andes rose, the Western Amazon sank twice, each time for less than a million years. Water from the Carib...
What will El Niño be like in the future?For answers,scientists look to the past
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2017/7/19
Scientists are trying to predict the future behavior of El Niño -- the formation of warmer-than-usual ocean waters in the equatorial Pacific -- by looking back in time.This week, the journal Geol...
Underwater mountains help ocean water rise from abyss
Underwater mountains ocean water rise abyss
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2017/3/14
At high latitudes, such as near Antarctica and the Arctic Circle, the ocean’s surface waters are cooled by frigid temperatures and become so dense that they sink a few thousand meters into the ocean’s...
Cold plates and hot melts
Cold plates hot melts
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2017/3/13
About 2000 kilometers east of the Philippine Islands lies one of the most famous topographical peculiarities of the oceans: the Mariana trench. Reaching depths of up to 11,000 meters below sea level, ...
中国南海世界首次发现碳酸岩母岩浆向碱性玄武岩连续转化(图)
中国南海 碳酸岩母岩浆 碱性玄武岩
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2017/3/10
2017年1月23日,国际著名期刊《自然-地球科学》(Nature Geoscience)以长篇论文(Articles)形式在线刊登中科院海洋研究所张国良研究员(第一/通讯作者)的论文:“Evolution of carbonated melt to alkali basalt in the South China Sea”,报道了在中国南海发现世界首例由碳酸盐质母岩浆向碱性玄武岩连续转化的现象。...
Humans,not climate change,wiped out Australian megafauna
Humans not climate change wiped out Australian megafauna
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2017/2/16
New evidence involving the ancient poop of some of the huge and astonishing creatures that once roamed Australia indicates the primary cause of their extinction around 45,000 years ago was likely a re...
New study reveals that West Antarctica's largest glacier may have started retreating as early as the 1940s
West Antarctica largest glacier started retreating the 1940s
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2016/11/29
The present-day thinning and retreat of Pine Island Glacier, one of the largest and fastest shrinking glaciers of the West Antarctic Ice Sheet, may have already been underway as early as the 1940s, ac...
What lies beneath West Antarctica?
beneath West Antarctica
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2016/5/6
Three recent publications by early career researchers at three different institutions across the country provide the first look into the biogeochemistry, geophysics and geology of subglacial Lake Whil...
Examining the Fate of Fukushima Contaminants
Examining the Fate Fukushima Contaminants
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2015/9/9
An international research team reports results of a three-year study of sediment samples collected offshore from the Fukushima Daiichi Nuclear Power Plant in a new paper published August 18, 2015, in ...
Under the surface
Under the surface
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2015/3/4
If you think rivers are what send terrestrial rainfall back into the oceans, you don’t know the half of it. And that fraction keeps shrinking. According to new research, it might be that only one-fift...
Smothered oceans: Extreme oxygen loss in oceans accompanied past global climate change
Smothered oceans Extreme oxygen loss oceans accompanied past global climate change
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2015/3/4
Seafloor sediment cores reveal abrupt, extensive loss of oxygen in the ocean when ice sheets melted roughly 10,000-17,000 years ago, according to a study from the University of California, Davis. The ...
格陵兰冰盖或在未来10年融化 使海平面升7米(图)
格陵兰冰盖 10年融化 海平面升7米
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2010/8/13
据英国《卫报》报道,一个科学家小组向美国国会报告时警告称,如果气温上升2-7℃时,格陵兰的整个冰层都将从世界地图上消失,冰盖消亡将造成全球海平面上升7米,进而对世界上其他地区造成严重影响。
美科学家预言南北两极海冰将完全消失
美科学家 南北两极 海冰
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2009/5/22
《地球物理学研究快报》:北极夏季海冰可能在30年内锐减
北极夏季海冰 30年内
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2009/4/7
研究显示:北极海岸侵蚀速度半世纪翻一番(图)
北极 海岸侵蚀
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2009/2/24