搜索结果: 1-15 共查到“海洋科学 Oxygen”相关记录82条 . 查询时间(0.146 秒)
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Sea ice kept oxygen from reaching deep ocean during last ice age, study finds(图)
Sea ice oxygen reaching deep ocean during ice age
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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...
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Organic matter,bacteria doom sea stars to oxygen depletion(图)
Organic matter bacteria doom sea stars oxygen depletion
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2021/1/28
For more than seven years, a mysterious wasting disease has nearly killed off sea star populations worldwide. Many of these species are at the brink of extinction.New Cornell University-led resea...
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Low ocean oxygen levels can blind sea creatures(图)
Low ocean oxygen blind sea creatures
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2019/10/30
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...
Decades of Data on World’s Oceans Reveal a Troubling Oxygen Decline
Decades of Data World’s Oceans Oxygen Decline
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2017/7/19
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for mor...
Widespread loss of ocean oxygen to become noticeable in 2030s
Widespread loss ocean oxygen noticeable in 2030s
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2016/5/6
A reduction in the amount of oxygen dissolved in the oceans due to climate change is already discernible in some parts of the world and should be evident across large regions of the oceans between 203...
Can animals thrive without oxygen?
animals thrive oxygen
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2016/2/22
In 2010, a research team garnered attention when it published evidence of finding the first animals living in permanently anoxic conditions at the bottom of the sea. But a new study, led by scientists...
Low-oxygen 'dead zones' in North Pacific linked to past ocean warming
Low-oxygen dead zones North Pacific ocean warming
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2015/12/7
A new study has found a link between abrupt ocean warming at the end of the last ice age and the sudden onset of low-oxygen, or hypoxic, conditions that led to vast marine dead zones.Results of the re...
A Plea for Temperature in Descriptions of the Oceanic Oxygen Status
Temperature in Descriptions Oceanic Oxygen Status
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2015/7/17
For over 50 years, the ocean science community has traditionally reported hypoxic limits for marine animals simply as a concentration value independent of temperature and pressure, implying the same l...
Oxygen Concentrations and Biological Fluxes in the Open Ocean
Oxygen Concentrations Biological Fluxes Open Ocean
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2015/7/17
The oxygen concentration in the ocean is controlled by a delicate balance between the source from atmosphere-ocean interaction and net respiration of organic matter after the water leaves the surface ...
Warmer,lower-oxygen oceans will shift marine habitats
Warmer lower-oxygen oceans marine habitats
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2015/6/18
Modern mountain climbers typically carry tanks of oxygen to help them reach the summit. It’s the combination of physical exertion and lack of oxygen at high altitudes that creates one of the biggest c...
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 ...
Biological- and physical-induced oxygen dynamics in melting sea ice of the Fram Strait
Biological- and physical-induced oxygen dynamics melting sea ice Fram Strait
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2014/7/10
We investigated the production, consumption, and exchange of O2 in melting sea ice to assess the biological- and physical-induced O2 turnover. The underside of the ice was covered with 5–20 cm3 large,...
Gill surface area and metabolic enzyme activities of demersal fishes associated with the oxygen minimum zone off California
Gill surface area metabolic enzyme activities demersal fishes associated oxygen minimum zone California
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2014/4/2
Metabolic enzyme activities and gill surface areas were measured across 10 species of demersal fishes from Monterey Canyon, California, which features a prominent oxygen minimum zone (OMZ). Comparison...
Oxygen in the deep Strait of Georgia, 1951–2009: The roles of mixing, deep-water renewal, and remineralization of organic carbon
deep Strait of Georgia The roles of mixing
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2014/4/2
The concentration of oxygen in the deep Strait of Georgia has declined at a rate of 0.45–1.3 mmol L21
yr21
since 1971 and now seasonally approaches thresholds of biological tolerance. The decline ha...
Gill surface area and metabolic enzyme activities of demersal fishes associated with the oxygen minimum zone off California
Gill surface area metabolic enzyme activities demersal fishes associated oxygen minimum zone California
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2014/4/4
Metabolic enzyme activities and gill surface areas were measured across 10 species of demersal fishes from Monterey Canyon, California, which features a prominent oxygen minimum zone (OMZ). Comparison...