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Why This Matters: The mixing of ocean layers is crucial to sea life and human life. When ocean layers interact enough, they transfer nutrients and oxygen from upper layers to lower layers, supporting life in both the depths and the shallows. When they don’t, it prevents animals at lower depths from getting enough oxygen to breathe, and it prevents salt from deeper waters from migrating upwards, harming ecosystems and wildlife that humans rely on for food and trade. In addition, currents rely on movement between layers of ocean water; as those layers stabilize, it may threaten shipping routes and travel.The warmer layers are also losing their ability to hold CO2, which experts predict could cause atmospheric CO2 to triple by 2100 and raise the global average temperature by eight degrees Fahrenheit.
Experts have found a direct connection between the warming of the ocean and the increased number and power of hurricanes and storms. Ryan Truchelut, the chief meteorologist at WeatherTiger, said of the onslaught of Atlantic hurricanes in 2020, “The culprit is much warmer than average waters in the western Atlantic, coupled with generally lower than average wind shear in the same area driven by the tilt into La Niña.” Strong storm systems once churned ocean water, bringing cooler water to the surface, weakening storm development. But as historically cool layers grow warmer, that churning could actually empower storms further.
The warming of the ocean and subsequent loss of them as a carbon sink would prove catastrophic to the planet, and it’s only one of the many carbon sinks that could be lost in the near future. Paul Durack, a research scientist at Lawrence Livermore National Laboratory in California, thinks experts may still not know the full scope of ocean warming, saying “I would not be surprised if this study underestimates the observed change.”
By Amy Lupica, ODP Daily Editor An abandoned oil tanker off the coast of Yemen is deteriorating rapidly, and experts say that a hull breach could have far-reaching environmental impacts and threaten millions of people’s access to food and water supplies. The FSO SAFER tanker holds 1.1 million barrels of oil — more than four […]
Last weekend, an estimated 144,000 gallons of heavy crude oil leaked from an underwater pipeline in California, making for one of the largest spills in recent state history. While federal regulators have enacted protections for some federal lands and waters, they’re still a long way from reaching President Biden’s 30×30 goal. But the longer they […]
By Natasha Lasky, ODP Staff Writer More information has come to light about the estimated 144,000 gallons of oil that spilled off the coast of Huntington Beach, California. Federal transportation investigators say the likely cause of the spill was a ship’s anchor, which caught and dragged an almost mile-long section of the pipe across the […]
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