Hempstead Artificial Reef

Hempstead Artificial Reef

Depth: 50-70 ft
3.3 nautical miles south of Jones Beach State Park

Depth: 50 - 72 ft


M60 tanks reef
M60 tanks undergo a thorough cleaning before use as reefs

The Artificial Reef Program used four types of obsolete Army armored vehicles as artificial reef materials off the New Jersey coast. These were cleaned at local military bases, loaded onto barges for transport, and pushed off at their final destination. Once the Army had disposed of its excess inventory, the program ceased, around 1999. The Artificial Reef Program has sunk almost 400 tanks altogether, far too many to list them here in this website.


DB-1
Type:
artificial reef, barges
Depth:
50 - 72 ft
Name Description Sunk GPS
115 ft steel 40°31.145'
-73°31.736'
100 ft wood
drydock
1990 40°31.504'
-73°31.914'
Navy 110 ft steel 1993 40°31.077'
-73°31.476'
40 ft steel
dredge
Wednesday
Oct 4, 2000
40°31.010'
-73°32.501'
40 ft steel
dredge
Wednesday
Oct 4, 2000
40°31.010'
-73°32.501'
DB-1 75 ft steel
derrick
Friday
Aug 10, 2018
40°30.971'
-73°32.971'



Redbird Subway Car - in service

There is a great deal of controversy over the use of subway cars as artificial reefs. There shouldn't be. Subway cars are fish condos. They are the perfect size and shape to provide homes for all sorts of fishes, as well as large attachment areas for other organisms. The fact that they come complete with large door and window openings is even better. Most reef materials, such as ships and barges, improve with age because they open up, allowing easier access to the interior. Indeed, some of the most barren reefs I have seen are those that are completely intact, since they offer little shelter.


rock reef
A hopper barge full of rock

All manner of concrete, steel, and stone rubble from dredging, demolition projects, and other construction is used as artificial reef materials. This material is generally available at very low cost or free from construction companies who are more than happy to get rid of it. Transportation costs determine where this material is used by the Reef Program.



Nitrox

Human lungs are designed to extract the oxygen we need from air - a mixture of roughly 21% oxygen and 79% nitrogen, at a pressure of one atmosphere ( about 14.7 psia.) As you dive deeper and longer while breathing air, the increased pressure causes ever-greater amounts of both gases to dissolve in your blood and tissues. One would expect that eventually, such elevated concentrations would become troublesome, and indeed that is the case. As it turns out, nitrogen, with its greater concentration in the air, is the first gas to become a problem during a dive to recreational depths ( <130 ft. )

This problem is that of "off-gassing", or decreasing the concentration of dissolved nitrogen in the body at a rate that does not cause bubbles of the gas to form in the tissues and blood, the condition commonly known as the bends. One way to delay the onset of this problem is to decrease the concentration of nitrogen in the breathing gas, and the easiest way to do this is simply by increasing the concentration of oxygen. The resulting mixture is typically known as Enriched Air Nitrox and has become a staple in the diving community.

Printed from njscuba.net