搜索结果: 1-15 共查到“国际动态 理学 ocean”相关记录153条 . 查询时间(0.145 秒)
Seeking clues to how shifting climate may change ocean ecosystems（图）
气候变化 海洋生态系统 晚新生代 生物群落
2023/6/19
Researchers know that marine organisms are shifting geographically toward the Earth’s poles in response to climate change. However, predicting the extent to which the species will move as ocean temper...
Scientists discover a new way of sharing genetic information in a common ocean microbe（图）
海洋微生物 共享 遗传信息 原绿球菌 光合生物 基因转移
2023/6/21
From the tropics to the poles, from the sea surface to hundreds of feet below, the world’s oceans are teeming with one of the tiniest of organisms: a type of bacteria called Prochlorococcus, which des...
How climate change impacts the Indian Ocean dipole, leading to severe droughts and floods（图）
气候变化 印度洋 偶极子 干旱 洪水
2023/6/26
A study led by Brown researchers showed how melting ice water from massive glaciers can ultimately lead to droughts and flooding in East Africa and Indonesia.
PROVIDENCE, R.I. [Brown University] — Wi...
Subtropical gyres are enormous rotating ocean currents that generate sustained circulations in the Earth’s subtropical regions just to the north and south of the equator. These gyres are slow-moving w...
Ocean scientists measure sediment plume stirred up by deep-sea-mining vehicle（图）
深海采矿车 沉积物羽流 海洋科学
2023/6/19
What will be the impact to the ocean if humans are to mine the deep sea? It’s a question that’s gaining urgency as interest in marine minerals has grown.
Computing for ocean environments（图）
海洋环境 机械工程 海洋工程
2023/6/19
There are few environments as unforgiving as the ocean. Its unpredictable weather patterns and limitations in terms of communications have left large swaths of the ocean unexplored and shrouded in mys...
Bacteria release more carbon from the ocean than previously thought（图）
Bacteria release carbon ocean previously thought
2021/4/23
A team led by University of Minnesota researchers has discovered that deep-sea bacteria dissolve carbon-containing rocks, releasing excess carbon into the ocean and atmosphere. The findings ...
Taking the vital signs of the global ocean with biogeochemical floats（图）
Taking vital signs global ocean biogeochemical floats
2021/4/16
As the researchers and crew aboard the research vessel Thomas G. Thompson continue to deploy biogeochemical floats in the western North Atlantic, the arrival of the first profile data marks ...
Changes in ocean chemistry show how sea level affects global carbon cycle（图）
ocean chemistry sea level global carbon cycle
2021/4/9
A new analysis of strontium isotopes in marine sediments has enabled scientists to reconstruct fluctuations in ocean chemistry reflecting changing climate conditions over the past 35 million years.The...
High-resolution ocean model looks at sea turtles' lost years（图）
High-resolution ocean model looks sea turtles lost years
2021/3/26
A detailed global ocean model simulation by scientists at the National Center for Atmospheric Research and other institutions has given scientists insights into where baby sea turtles may go...
Record-high Arctic freshwater affecting marine environment and Atlantic Ocean currents（图）
Record-high Arctic freshwater marine environment Atlantic Ocean currents
2021/3/19
Freshwater is accumulating in the Arctic Ocean. The Beaufort Sea, which is the largest Arctic Ocean freshwater reservoir, has increased its freshwater content by 40% over the past two decades. How and...
Sea ice kept oxygen from reaching deep ocean during last ice age, study finds（图）
Sea ice oxygen reaching deep ocean during ice age
2021/3/5
Extensive sea ice covered the world's oceans during the last ice age, preventing oxygen from penetrating into deep ocean waters and complicating the relationship between oxygen and carbon, a new study...
Researchers discover an immense hydrocarbon cycle in the world's ocean（图）
immense hydrocarbon cycle world's ocean
2021/3/5
Hydrocarbons and petroleum are almost synonymous in environmental science. Oil reserves account for nearly all the hydrocarbons we know. But the few hydrocarbons that trace their origin to biological ...
To push or to pull? How many-limbed ocean organisms swim（图）
many-limbed ocean organisms swim
2020/12/18
When you think of swimming, you probably imagine pushing through the water -- creating backward thrust that propels you forward. New research at the Marine Biological Laboratory suggests tha...
How hot is too hot for life deep below the ocean floor?（图）
How hot life deep below ocean floor
2020/12/18
At what depth be-neath the seabed does it be-come so hot that mi-cro-bial life is no longer possible?An ex-ped-i-tion by In-ter-na-tional Ocean Dis-cov-ery Pro-gram scientists has provided new insight...