Multiple Choices Exist for Changing Ocean Oxygen Concentrations

Researchers are offering different explanations for changing ocean oxygen concentrations rather than appreciating multiple causality. Credit: raiPR (CC0) Peter Brewer / Eos May 14, 2018 Widespread declines in ocean oxygen concentrations are now being reported with authors offering quite different explanations. Which ones are correct? Researchers are offering different explanations for changing [...]

Multiple Choices Exist for Changing Ocean Oxygen Concentrations2023-03-09T01:24:09+00:00

World’s largest ‘dead zone’ discovered, and it’s not in the Gulf of Mexico

Algal blooms that rob water of oxygen swirl across the Arabian Sea in 2015. New research indicates the sea has the world's largest low-oxygen 'dead zone.' Photo Credit: NASA Tristan Baurick / The Times-Picayune May 11, 2018 The Gulf of Mexico's dead zone is bigger than ever. Recent surveys put it at an [...]

World’s largest ‘dead zone’ discovered, and it’s not in the Gulf of Mexico2023-03-09T02:03:03+00:00

Gulf of Oman now world’s largest oxygen-depleted ‘dead zone’

Green algae swirls on the beach of Bandar al-Jissah in Oman on March 3, 2017. The Gulf of Oman turns green twice a year for about three months at a time, when an algae bloom spreads. Photo Credit: Sam McNeil, Associated Press CBC News May 2, 2018 U.K. researcher says area where [...]

Gulf of Oman now world’s largest oxygen-depleted ‘dead zone’2023-03-09T02:05:07+00:00

The Arabian Sea’s Suffocating ‘Dead Zone’ Is Even Larger Than We Imagined

A US warship cruises through the Gulf of Oman. Photo: US Navy By George Dvorsky / Gizmodo April 27, 2018 Since the early 1960s, scientists have known about the so-called “dead zone” in the Gulf of Oman, a patch of water practically devoid of all oxygen. As anyone who has ever owned [...]

The Arabian Sea’s Suffocating ‘Dead Zone’ Is Even Larger Than We Imagined2023-03-09T21:22:02+00:00

Gulf of Mexico ‘dead zone’ will persist for decades

Doyle Rice / USA TODAY 26 March 2018 The annual “dead zone” in the Gulf of Mexico, which last year was the size of New Jersey, will continue for several decades, a new study said. A dead zone occurs at the bottom of a body of water when there isn't enough oxygen in the water to [...]

Gulf of Mexico ‘dead zone’ will persist for decades2023-03-09T21:34:48+00:00

Gulf of Mexico ‘dead zone’ will persist for decades

By Doyle Rice / USA Today March 26, 2018 The annual “dead zone” in the Gulf of Mexico, which last year was the size of New Jersey, will continue for several decades, a new study said. A dead zone occurs at the bottom of a body of water when there isn't enough oxygen in the water [...]

Gulf of Mexico ‘dead zone’ will persist for decades2023-03-09T21:35:18+00:00

Study: ‘Legacy’ nitrogen also feeds Gulf of Mexico dead zone

By JANET McCONNAUGHEY/ AP Mar. 22, 2018 NEW ORLEANS (AP) — The Gulf of Mexico’s “dead zone” will be an unwanted summer visitor for decades, Canadian scientists say. They say the oxygen-starved patch would persist even if farmers could immediately end all fertilizer runoff. An area with too little oxygen to support marine life [...]

Study: ‘Legacy’ nitrogen also feeds Gulf of Mexico dead zone2023-03-09T21:36:49+00:00

Gulf of Mexico expert discusses “Dead Zone”

The Shell Oil Endowed Chair in Oceanography and Coastal Sciences at Louisiana State University Nancy N. Rabalais speaks on a growing concern to the Gulf of Mexico, a hypoxic zone where organisms struggle to survive. Sam Greene/Iowa State Daily By Brian Mackley / Iowa State Daily March 20, 2018 Leading researcher for [...]

Gulf of Mexico expert discusses “Dead Zone”2023-03-09T21:53:29+00:00

A U.S. farm bill even a butterfly could love?

Photo courtesy of Mike Reese Andy McGlashen / Ensia March 20, 2018 Sometime soon — maybe this year, maybe next — biologist Jeffrey Glassberg expects to say goodbye to the Poweshiek skipperling. The endangered, orange-and-brown butterfly is one of several species in the Upper Midwest’s prairies on the slippery slope toward extinction. In the [...]

A U.S. farm bill even a butterfly could love?2023-03-09T21:54:29+00:00

Study Characterizes Dissolved Organic Carbon Cycling in the Northern Gulf of Mexico

GULF OF MEXICO RESEARCH INITIATIVE MARCH 20, 2018 Researchers analyzed dissolved organic carbon from water column samples collected in five regions to establish baseline data about its relative persistence and cycling in the northern Gulf of Mexico. The team found that the Mississippi River exports large amounts of dissolved organic carbon with an anthropogenic 14C [...]

Study Characterizes Dissolved Organic Carbon Cycling in the Northern Gulf of Mexico2023-03-09T21:59:03+00:00
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