搜索结果: 1-15 共查到“海洋地球物理学 Ocean”相关记录79条 . 查询时间(0.062 秒)
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...
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...
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...
Fish carcasses deliver toxic mercury pollution to the deepest ocean trenches（图）
Fish carcasses deliver toxic mercury pollution deepest ocean trenches
2020/12/11
The sinking carcasses of fish from near-surface waters deliver toxic mercury pollution to the most remote and inaccessible parts of the world's oceans, including the deepest spot of them all: the 36,0...
Freshwater runoff from rivers brings more carbon, nutrients to Arctic Ocean（图）
Freshwater runoff rivers carbon nutrients Arctic Ocean
2020/4/17
A new study by National Science Foundation-funded researchers at the Woods Hole Oceanographic Institution and their colleagues found that freshwater runoff from rivers and continental s...
中国地质大学科学技术发展院王海洋(博士研究生)，李超* 等, BGEG国家重点实验室，Geochimica et Cosmochimica Acta(2019), Spatiotemporal redox heterogeneity and transient marine shelf oxygenation in the Mesoproterozoic ocean
中元古代；海洋高度；时空差异；氧化还原状态；短暂；陆架；氧化事件
2021/10/15
近日，中国地质大学生物地质与环境地质国家重点实验室李超教授团队在国际著名地球化学期刊《Geochimica et Cosmochimica Acta》(Nature Index)上发表题为“Spatiotemporal redox heterogeneity and transient marine shelf oxygenation in the Mesoproterozoic ocean”（中...
Hurricane Nicole sheds light on how storms impact the deep ocean（图）
Hurricane Nicole sheds storms impact deep ocean
2019/10/18
In early October 2016, tropical storm Nicole formed in the middle of the Atlantic Ocean. It roamed for six days, reaching Category 4 hurricane status with powerful 140 miles per hour winds, before hit...
Dust in the wind:North Pacific Ocean fertilized by iron in Asian dust（图）
Dust wind North Pacific Ocean fertilized iron Asian dust
2019/10/28
Vast subtropical gyres -- large systems of rotating currents in the middle of the oceans -- cover 40% of the Earth. The gyres have long been considered biological deserts, with waters that contain ver...
Scientists at the Scripps Institution of Oceanography at the University of California, San Diego, have found that low oxygen levels in seawater could blind some marine invertebrates.The results, publi...
Drilling into the seabed beneath Earth’s most powerful ocean current（图）
climate change seabed beneath Earth powerful ocean current
2019/10/30
The Antarctic Circumpolar Current is the planet's most powerful and arguably most important current. It is the only current to flow clear around the globe without being diverted by any landmass.It con...
Carbon isotopes in the ocean model of the Community Earth System Model (CESM1)
ocean model Community Earth System Model
2015/8/11
Carbon isotopes in the ocean are frequently used
as paleoclimate proxies and as present-day geochemical
ocean tracers. In order to allow a more direct comparison of
climate model results with this ...
Coastal Ocean Modeling: Processes and Real-Time Systems
Coastal Ocean Modeling Real-Time Systems
2015/8/5
The coastal oceans are among the most challenging marine environments in the world. They are subject to the combined geometrical constraints of irregular coastlines and highly variable (steep and tall...
It is a great pleasure to give this, the first Revelle Commemorative Lecture, for [ had the privilege both to know Roger over the last decade of his career, and to work on problems in whicln he was ke...
NEPTUNE: Real-Time Ocean and Earth Sciences at the Scale of a Tectonic Plate
Real-Time Ocean Earth Sciences
2015/8/5
Since the Challenger Expedition in the 1870s, oceanographers have explored and sampled across two-thirds of our planet using ships as primary observational platforms. In the past several decades, sate...
Long-Term Observations in Acoustics—The Ocean Acoustic Observatory Federation
Ocean Acoustic Observatory Federation Acoustics
2015/8/5
The Ocean Acoustic Observatory Federation (OAOF) includes several laboratories and universities: the Institute of Geophysics and Planetary Physics (IGPP) and the Marine Physical Laboratory (MPL) at th...