2019 Shelfwide Cruise

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What is hypoxia?

Hypoxia, or low oxygen, is an environmental phenomenon where the concentration of dissolved oxygen in the water column decreases to a level that can no longer support living aquatic organisms. Hypoxic areas, or “Dead Zones,” have increased in duration and frequency across our planet’s oceans since first being noted in the 1970s.

The largest hypoxic zone currently affecting the United States, and the second largest hypoxic zone worldwide, is the northern Gulf of Mexico adjacent to the Mississippi River.

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Gulf hypoxia in the news:

809, 2019

Mississippi Beaches Have Been Vacant For Two Months As A Toxic Algae Bloom Lurks Offshore

September 8th, 2019|Comments Off on Mississippi Beaches Have Been Vacant For Two Months As A Toxic Algae Bloom Lurks Offshore

Rocky Kistner / HuffPost ENVIRONMENT 08 September 2019 An algal bloom in the Gulf is devastating coastal businesses. Ship Island Excursions has survived hurricanes, global recessions, a world war and a host of economic challenges [...]

2608, 2019

Polluting Farmers Should Pay

August 26th, 2019|Comments Off on Polluting Farmers Should Pay

Catherine Kling / New York Times 26 August 2019 Dr. Kling is an environmental economist at Cornell University. Fertilizer runoff is making us sick. States can step in to regulate farmers. This year’s dead zone in [...]

2308, 2019

Too Much of a Good Thing is ….

August 23rd, 2019|Comments Off on Too Much of a Good Thing is ….

TUWaterWays Water News and More from the Tulane Institute on Water Resources Law & Policy 23 August 2019 If a bit of something is good for you then surely a lot of it has to [...]

1608, 2019

Large 2019 dead zone in Gulf of Mexico

August 16th, 2019|Comments Off on Large 2019 dead zone in Gulf of Mexico

Deanna Conners / EarthSky 16 August 2019 This year’s Gulf of Mexico dead zone of oxygen-depleted waters is the 8th largest ever recorded. A dead zone of oxygen-depleted waters forms every summer in the Gulf of Mexico [...]

1608, 2019

The Never Ending Story

August 16th, 2019|Comments Off on The Never Ending Story

TUWaterWays Water News and More from the Tulane Institute on Water Resources Law & Policy 16 August 2019 In deciding what items to highlight in this week’s TUWW we did what we always do.  We culled [...]

1108, 2019

Why is Louisiana seeing more ‘showers on steroids,’ intense downpours these days?

August 11th, 2019|Comments Off on Why is Louisiana seeing more ‘showers on steroids,’ intense downpours these days?

Charles Lussier / The Advocate 11 August 2019 If it seems like rainfalls in south Louisiana are becoming more intense and flash flooding more frequent, it’s not your imagination. A new research study led by [...]

808, 2019

Hurricane Barry v. Gulf of Mexico Dead Zone: Who Won?

August 8th, 2019|Comments Off on Hurricane Barry v. Gulf of Mexico Dead Zone: Who Won?

TUWaterWays Water News and More from the Tulane Institute on Water Resources Law and Policy 8 August 2019 Remember Hurricane Barry?  It was the storm that coincided with elevated Mississippi River levels and, consequently, looked [...]