搜索结果: 1-15 共查到“国际动态 SEA”相关记录125条 . 查询时间(0.125 秒)
In 2021, Crystan McLymore was a nuclear surface warfare officer in the U.S. Navy, in charge of more than 30 mechanics maintaining the systems and safety of a nuclear reactor aboard the USS Gerald R. F...
Year-round navigation of eastern part of Northern Sea Route planned for 2024（图）
浮动动力装置 北海航线 核动力船
2023/5/19
Russia's plans to rapidly expand the Northern Sea Route will ultimately need up to 100 Arctic-class vessels and 15 floating power units, and a "truly historic decision" had been taken "to launch year-...
Like ancient mariners, ancestors of Prochlorococcus microbes rode out to sea on exoskeleton particles（图）
原绿球菌 微生物 外骨骼颗粒 浮游植物 几丁质颗粒
2023/6/21
Throughout the ocean, billions upon billions of plant-like microbes make up an invisible floating forest. As they drift, the tiny organisms use sunlight to suck up carbon dioxide from the atmosphere. ...
Scientists have discovered that a parasite is behind a severe die-off of long-spined sea urchins across the Caribbean Sea, which has had devastating consequences for coral reefs and surrounding marine...
Study on methane in deep-sea sediments shows small releases happen more often than thought（图）
深海沉积物 甲烷 化石生物 单细胞生物
2023/6/26
New research describes evidence that deep sea methane deposits change into gas more frequently than could be monitored previously and that a set of fossilized organisms has a unique ability to detect ...
Paula Rodríguez-Flores has always been obsessed with invertebrates. “Like really, really obsessed,” said the biodiversity postdoctoral fellow, who works in Harvard’s Museum of Comparative Zoology.
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.
The melting of polar ice is not only shifting the levels of our oceans, it is changing the planet Earth itself. Newly minted Ph.D. Sophie Coulson and her colleagues explained in a recent paper in Geop...
无人自动船软件和系统提供商Sea Machine Robotics公司近日和总部位于美国西雅图的拖船公司Foss Maritime合作，将为Foss公司即将交付的“Rachael Allen”号拖船集成无人自动航行系统。
U.S. East Coast sea level rise in 20th century fastest in 2,000 years（图）
U.S. East Coast sea level rise 20th century 2,000 years
2021/4/9
The rate of sea level rise in the 20th century along much of the U.S. Atlantic coast was the fastest in 2,000 years, and southern New Jersey had the fastest rates, according to a Rutgers Universi...
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...
Sea otters keep remaining California kelp forests alive（图）
Sea otters keep remaining California kelp forests alive
2021/4/9
Sea otters have long been recognized as a classic example of a keystone species, a dominant predator that maintains the balance of kelp forest ecosystems by controlling populations of sea urchins, whi...
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...
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...
Geoscientists reconstruct 6.5 million years of sea level in the Western Mediterranean（图）
Geoscientists reconstruct 6.5 million years sea level Western Mediterranean
2021/2/5
The pressing concern posed by rising sea levels has created a need for scientists to predict how quickly the oceans will rise in coming centuries, researchers say. To gain insight into future ice shee...