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How climate change is impacting oxygen levels in the ocean

In February 2017 German researchers detected a major change to our oceans — marking the first in-depth look at how much oxygen is left in the world’s water, using 50 years of data. Except a few …

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Wind and freshwater rob Southern Ocean of oxygen

Increased freshwater from melting Antarctic ice sheets plus increased wind have reduced the amount of oxygen in the Southern Ocean and made it warmer and more acidic, geoscientists report. Researchers …

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Astronomers develop better way to detect oxygen in alien atmospheres

To put this theory to the test, scientists would need to study oxygen levels in the atmospheres surrounding both potentially habitable and obviously uninhabitable exoplanets. RELATED Water detected on …

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Land use affects lowland stream ecosystems through dissolved oxygen regimes

To this end, five different land use types were selected (forest, extensive grassland, intensive grassland, cropland and wastewater treatment plant) each represented by four replicate streams, in …

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Ocean oxygen levels drop endangering marine life: Report

Experts say about 700 sites had been identified globally with low oxygen levels, up from only 45 in the 1960s. 07 Dec 2019 20:33 GMT The oceans contain 97 percent of the Earth’s water and are central …

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Our Oceans Are Full of Vast Dead Zones Without Oxygen

Scientists have found evidence that far more of the ocean is made of “dead zones” without oxygen than they previously believed. They studied the chemical signatures left by anaerobic bacteria to …

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Flooding Earth’s atmosphere with oxygen may not have needed a triggering event

Early Earth’s atmosphere was a steamy mix of water vapor, CO₂, ammonia, hydrogen sulfide and methane. Then, about 2.4 billion years ago, oxygen in the atmosphere suddenly skyrocketed, a surge known as …

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‘The ocean is suffocating’: Oxygen dead zones caused by climate change are putting sharks, tuna and marlin at risk

Due to the effects of deoxygenation – the removal of oxygen from the ocean – there are now more than 700 “dead zones” unable to sustain fish that rely on oxygen globally, up from 45 before 1960.

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Climate change: Levels of oxygen in the ocean are falling

Climate change is driving oxygen from our oceans ,according to new research from the group IUCN. Species of fish including tuna, marlin and some sharks are all at risk because of the decrease. Around …

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Firefighters give oxygen to deer rescued from icy Douglas County lake

DOUGLAS COUNTY, Colo. — Firefighters helped a deer rescued from an icy lake in The Pinery community Monday, giving the animal oxygen. A witness pulled the deer from Bingham Lake before South Metro …

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