Posts

Russell Wangersky: Warming ocean temperatures could lead to a big kill

The Gulf of Mexico dead zone is an area of ocean bottom where the amount of dissolved oxygen in the water is so low that it can’t support marine life. This year, it’s about 14,760 square kilometres in …

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NASA’s Hurricane Florence Flooding Images Show Extraordinary Amounts of Debris Flowing Into Ocean

As this huge amount of debris makes its way to the ocean, it can have disasterous effects, like dead zones. “In the discharges after hurricanes Floyd and Matthew, these dead zones grew large enough to …

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Florence carries triple threat as 7 NC counties order evacuations. Ocean surge, inland flooding and fierce winds expected in Carolinas.

A warm ocean is the fuel that powers hurricanes … But on rare occasions, the steering patterns can line up such that a storm slips into a dead zone between troughs and ridges.” On the Outer Banks, D…

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How nutrients are removed in oxygen-depleted regions of the ocean

Kiel research team describes genetic and evolutionary mechanisms of nitrate reduction from foraminifera for the first time In the course of global climate change, scientists are observing the increase …

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How can the Midwest fix the ocean it has killed?

This particular dead zone at the Mississippi’s mouth is a swath of ocean as big as New Jersey that’s choked for oxygen. There, native plants die. Marine animals move away, or die. The dead zone most d…

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Ocean Robots Collect Data From Kīlauea Flow

The Wave Gliders host a wide assortment of sophisticated sensors to measure: water temperatures, oxygen levels, pH levels, salinity, turbidity, conductivity and underwater acoustics. The Wave Gliders will stay on station, continuously capturing sustained …

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Guest post: How global warming is causing ocean oxygen levels to fall

Prof Andreas Oschlies is head of the marine biogeochemical modelling group and speaker of the Collaborative Research Centre SFB 754 at the Helmholtz Centre for Ocean Research Kiel (GEOMAR) and Kiel University, Prof Peter Brandt is professor of physical …

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Low-Oxygen Ocean Dead Zones Could Make Marine Life Extinct, Study Shows

In a new study, a group of researchers used an ancient mass extinction event as an analog to demonstrate how the current course of global climate change could prove devastating for marine life in the future. Some 182 to 174 million years ago, during the …

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Volcanic activity, declining ocean oxygen triggered mass extinction of ancient organisms

Global climate change, fueled by skyrocketing levels of atmospheric carbon dioxide, is siphoning oxygen from today’s oceans at an alarming pace — so fast that scientists aren’t entirely sure how the planet will respond. Global climate change, fueled by …

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WHAT IS AN OCEAN DEAD ZONE?

According to the NOAA, a dead zone the size of New Jersey has been identified in the Gulf of Mexico. A dead zone is an area of low oxygen that can kill fish and marine life. Nutrient runoff from the Mississippi River contributes to the dead zone.

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