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      • California Humpbacks Perform Rare 'Triple Breach' (Video)
      • Betrayal in Georgia? Anchoring Rules Appear Worse Than Ever
      • Ga. Wreck Removal Delayed Again: Anchor SNAFU
      • Chesapeake's Tangier Island: Enjoy it While You Can
      • Robert Peek, Beloved Deep Creek Lockmaster, Has Died
      • U.S. Agency Warns of GPS Interference
      • Rudy and Jill's ICW Tips
      • A TT35 Day at the Sausage Factory
      • Cat or Monohull Sailboat Versus a Trawler (Images, Long)
      • Loopers Warned To Linger Post-Sally
      • Coast Guard Shallow Draft Navigation Survey
      • Forget Lithium for a Moment: Why Old-Fashioned Batteries Explode
      • Tracking Hurricane Laura Live (Streaming Video)
      • The Downsides of Cruising (Comprehensive)
      • Circumnavigator Who Eschewed Instruments Dies at 104
      • Maritime Liens: Don't Let Your Boat Get 'Arrested'
      • Gulf Stream Is Slowing Down
      • Attention Cruisers, Perseids Meteor Shower Peaks Next Week
      • Ladies Publish Great Loop Tell-All
      • New NOAA Model Forecasts Another Sahara Dust Cloud Arriving This Week (Animation)
      • TT35 Demonstrations Set for Next Week
      • Prep for a Busy Hurricane Season
      • It's a Marina! It's a Mooring! No, It's a French Design (Video)
      • Giant Floating Chain Saw To Rip Up Wrecked Car Carrier off ICW
      • Lock Sked Final: Great Loop Doable, But...
      • Georgia Caves, Defangs Draconian Anchoring Law
      • Heads Up, Boaters: Here Comes the Red Dust from Africa
      • Bahamas Changes It's Mind: Keeps Covid Test Requirement
      • Insurance? Tell All or Risk Claim Denial
      • Gulf 'Dead Zone' Bigger Than Connecticut
      • GPS Spoofing Mystery: AIS Crop Circles & Ghost Ships
      • Yanmar To Install Fuel Cell Propulsion in Boats
      • Bahamas To Boaters: Welcome Back, Wear a Mask
      • Covid Concerns Fuel Coast Guard Retention Drive
      • Birthday Gift for Her 70th, a TT35
      • Above Average Hurricane Season Forecast
      • Foreign Boaters Get Some Relief as Restrictions Eased
      • Catalina Island Reopened for Arriving Boats
      • When a Boat Isn't: Supreme Court Decides
      • Coast Guard Adopting 'i911' for Your Location
      • Makeover: Storm Early Warning System Explained (Video)
      • The Reality of Quarantine in Paradise
      • 92-Footer Sinks Off California
      • New York to Loopers: You May Be Out of Luck
      • Badass Origins of Boating Law
      • Can Cannabis Save Florida Waterways?
      • Tale of a Terrible Boat
      • Boating and Social Distancing (Video)
      • Powering Through a Mexican Gale
      • Bahamas Says Stay Away, Get Out
      • Composting Heads Are a Good Option
      • TT35 Ad Campaign: The Un-Tug
      • Coronavirus Song: 'Drone Shot of My Yacht'
      • Smuggler's Run: Florida's Own 'Mini-Loop'
      • Virtual Tours of Old Ironsides
      • BoatUS to Gulfport, Don't Break Law
      • Luperon's Swimming Robber or Maybe Not
      • Georgia Begins Undoing Anchoring Ban
      • Gulfport Joins the War Against Cruisers
      • Video on D.R. Consulting Gig
      • Reward Increased in Hunt for Dolphin Killer
      • Our Favorite Fugitive Arrives in Mexico
      • Humungous Crane To Slice Up Wrecked Car Carrier
      • Avoid Getting Screwed by Georgia; Just Go Around
      • Radar Detects 'Fowl' Weather in Keys
      • Old Abe the Naval Architect
      • $20,000 Reward in Dolphin Killings
      • Great Lakes Search for Sunken Planes
      • Great Harbour Advises D.R. Boatbuilder
      • Despite Sewage Apocalypse, Mayor Blames Boaters
      • Loopers Will Need NY Certificates
      • Dorian Dog Story 'Spiked'
      • $209,000 for 61-Foot Hatteras MY
      • Refloating Effort Progress
      • Free Bahamas Cruising Guide
      • New Florida Anchoring Bans
      • Propane Fire
      • Psychedelic Fibers Advance Knot Theory (Video)
      • Wanted on the Waterways 1/4/2020
    • Ken Fickett's Blogs
    • Cruising in the Time of Covid: Think Outside The Loop
  • Owners
    • Moving Aboard
    • The Odyssey Begins
    • The Search For Adventure
  • Home
  • About
    • A Family Affair >
      • Ken Fickett
      • Becky Fickett
      • Travis Fickett
      • Jessica Fickett
    • Mirage Manufacturing
    • Factory Support
    • Careers
    • Contact
  • Boats
    • TT35 >
      • TT35 Specifications
      • TT35 Key Features
      • TT35 Design Discussions
      • Towing Resources
      • PRESS
    • N37 >
      • N37 Specifications and Layout
      • N37 Photo Gallery
      • N37 Brochure
    • GH37 >
      • GH37 Specifications and Layout
      • GH37 Photo Gallery
      • GH37 Brochure
    • N47 >
      • N47 Specifications and Layout
      • N47 Photo Gallery
      • N47 Brochure
    • GH47 >
      • GH47 Specifications and Layout
      • GH47 Photo Gallery
      • GH47 Brochure
    • GH74
  • Great Design
    • Trawler Truths >
      • Trawler Truth 1
      • Trawler Truth 2
      • Trawler Truth 3
      • Trawler Truth 4
      • Trawler Truth 5
      • Trawler Truth 6
      • Trawler Truth 7
    • Design Discussions >
      • Twins vs Single
      • Shoal vs deep draft
      • Stability vs Ballast
      • Fishtail Rudders
      • Space Age Core
      • Core Materials
      • Unsinkability
    • Economy
    • Our Naval Architect
  • Construction
    • Lamination
    • Interior
    • Rigging
  • Trawler Times
    • News >
      • California Humpbacks Perform Rare 'Triple Breach' (Video)
      • Betrayal in Georgia? Anchoring Rules Appear Worse Than Ever
      • Ga. Wreck Removal Delayed Again: Anchor SNAFU
      • Chesapeake's Tangier Island: Enjoy it While You Can
      • Robert Peek, Beloved Deep Creek Lockmaster, Has Died
      • U.S. Agency Warns of GPS Interference
      • Rudy and Jill's ICW Tips
      • A TT35 Day at the Sausage Factory
      • Cat or Monohull Sailboat Versus a Trawler (Images, Long)
      • Loopers Warned To Linger Post-Sally
      • Coast Guard Shallow Draft Navigation Survey
      • Forget Lithium for a Moment: Why Old-Fashioned Batteries Explode
      • Tracking Hurricane Laura Live (Streaming Video)
      • The Downsides of Cruising (Comprehensive)
      • Circumnavigator Who Eschewed Instruments Dies at 104
      • Maritime Liens: Don't Let Your Boat Get 'Arrested'
      • Gulf Stream Is Slowing Down
      • Attention Cruisers, Perseids Meteor Shower Peaks Next Week
      • Ladies Publish Great Loop Tell-All
      • New NOAA Model Forecasts Another Sahara Dust Cloud Arriving This Week (Animation)
      • TT35 Demonstrations Set for Next Week
      • Prep for a Busy Hurricane Season
      • It's a Marina! It's a Mooring! No, It's a French Design (Video)
      • Giant Floating Chain Saw To Rip Up Wrecked Car Carrier off ICW
      • Lock Sked Final: Great Loop Doable, But...
      • Georgia Caves, Defangs Draconian Anchoring Law
      • Heads Up, Boaters: Here Comes the Red Dust from Africa
      • Bahamas Changes It's Mind: Keeps Covid Test Requirement
      • Insurance? Tell All or Risk Claim Denial
      • Gulf 'Dead Zone' Bigger Than Connecticut
      • GPS Spoofing Mystery: AIS Crop Circles & Ghost Ships
      • Yanmar To Install Fuel Cell Propulsion in Boats
      • Bahamas To Boaters: Welcome Back, Wear a Mask
      • Covid Concerns Fuel Coast Guard Retention Drive
      • Birthday Gift for Her 70th, a TT35
      • Above Average Hurricane Season Forecast
      • Foreign Boaters Get Some Relief as Restrictions Eased
      • Catalina Island Reopened for Arriving Boats
      • When a Boat Isn't: Supreme Court Decides
      • Coast Guard Adopting 'i911' for Your Location
      • Makeover: Storm Early Warning System Explained (Video)
      • The Reality of Quarantine in Paradise
      • 92-Footer Sinks Off California
      • New York to Loopers: You May Be Out of Luck
      • Badass Origins of Boating Law
      • Can Cannabis Save Florida Waterways?
      • Tale of a Terrible Boat
      • Boating and Social Distancing (Video)
      • Powering Through a Mexican Gale
      • Bahamas Says Stay Away, Get Out
      • Composting Heads Are a Good Option
      • TT35 Ad Campaign: The Un-Tug
      • Coronavirus Song: 'Drone Shot of My Yacht'
      • Smuggler's Run: Florida's Own 'Mini-Loop'
      • Virtual Tours of Old Ironsides
      • BoatUS to Gulfport, Don't Break Law
      • Luperon's Swimming Robber or Maybe Not
      • Georgia Begins Undoing Anchoring Ban
      • Gulfport Joins the War Against Cruisers
      • Video on D.R. Consulting Gig
      • Reward Increased in Hunt for Dolphin Killer
      • Our Favorite Fugitive Arrives in Mexico
      • Humungous Crane To Slice Up Wrecked Car Carrier
      • Avoid Getting Screwed by Georgia; Just Go Around
      • Radar Detects 'Fowl' Weather in Keys
      • Old Abe the Naval Architect
      • $20,000 Reward in Dolphin Killings
      • Great Lakes Search for Sunken Planes
      • Great Harbour Advises D.R. Boatbuilder
      • Despite Sewage Apocalypse, Mayor Blames Boaters
      • Loopers Will Need NY Certificates
      • Dorian Dog Story 'Spiked'
      • $209,000 for 61-Foot Hatteras MY
      • Refloating Effort Progress
      • Free Bahamas Cruising Guide
      • New Florida Anchoring Bans
      • Propane Fire
      • Psychedelic Fibers Advance Knot Theory (Video)
      • Wanted on the Waterways 1/4/2020
    • Ken Fickett's Blogs
    • Cruising in the Time of Covid: Think Outside The Loop
  • Owners
    • Moving Aboard
    • The Odyssey Begins
    • The Search For Adventure
Picture
Gulf  'Dead Zone' Smaller, Still Larger Than Connecticut

By RICK SPILLMAN
Old Salt Blog
(Reprinted with permission)

The bad news is that the annual summer “hypoxic” or “dead zone” in the Gulf of Mexico this year may be larger than average. The good news is that it will be about 15 percent smaller than last year’s model prediction and roughly 20 percent smaller than the record “dead zone” in 2017. Nevertheless, at 6,700 square miles, this year’s “dead zone” is still larger than the State of Connecticut.

The “dead zone” forms every year due to an algae bloom which deprives the Gulf waters of oxygen. The little or no oxygen in the water can kill fish and other marine life.

 NOAA explains that the algae bloom is caused “by excess nutrient pollution from human activities, such as urbanization and agriculture, occurring throughout the Mississippi River watershed. Once the excess nutrients reach the Gulf they stimulate an overgrowth of algae, which eventually die, then sink and decompose in the water. The resulting low oxygen levels near the bottom are insufficient to support most marine life and have long-term impacts to living marine resources that are unable to leave the area. Considered one of the world’s largest, the Gulf of Mexico dead zone occurs every summer.


“A major factor contributing to this year’s above-average hypoxic zone are the high river flows and nutrient loads delivered to the Gulf this spring, primarily from the Mississippi and Atchafalaya rivers. In May 2020, discharge in the Mississippi and Atchafalaya rivers was about 30 percent above the long-term average between 1980 and 2019.”

There is also a good news/bad news story that may impact the actual size of the “dead zone.” NOAA also notes that “while the hypoxic zone forecast assumes typical coastal weather conditions, the measured dead zone size could be disrupted and its size could be changed by major weather events, such as hurricanes and tropical storms, which mix ocean waters.”
​

So, the bad news is that current forecasts are predicting an unusually severe hurricane season this year. The good news is that a severe hurricane season could help mix ocean waters, reducing the size of the “dead zone.”
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