Dark Ocean Floor

Until the development of sonar we knew very little about the ocean floor.

Dark ocean floor. Scientific research submersibles have explored the ocean s deepest trenches. The lines you have pointed out are actually mapping anomalies. Only a small fraction of the seafloor has ever been mapped at high resolution. Although some sea creatures depend on light to live others can do without it.

R lyeh is a sunken city in the south pacific and the prison of the entity called cthulhu. Join jessi and squeaks and learn all about the super cool super. Water entering cracks in the crust is heated by magma and mixed with mineral sulphides then belched forth in dark clouds. See how these deep sea denizens make the most of their deep dark home.

R lyeh is a fictional lost city that was first documented in the h. This layer is also called the midnight or the dark zone. In 1977 scientists used submersible vehicles to explore the seabed and discovered vents gushing dark plumes of superhot mineral rich water. Over 75 of the ocean floor lies can be found within this zone with the continental rise starting here.

The ocean is divided into three zones based on depth and light level. Your instinct was right. Detailed maps require expensive specially equipped boats. Lovecraft short story the call of cthulhu first published in weird tales in june 1928.

Sunlight entering the water may travel about 1 000 meters 3 280 feet into the ocean under the right conditions but there is rarely any significant light beyond 200 meters 656 feet. Adaptation is the name of the game when you live thousands of feet below the water s surface. Sunlight does not penetrate to the sea floor making these deep dark ecosystems less productive than those along the continental shelf. Bathypelagic zone midnight zone the bathypelagic layer is found between 3 281 feet and 12 124 feet just above the abyss.

But despite their name these plains are not uniformly flat. These black smokers are caused by volcanic activity at mid ocean ridges. Scuba divers can explore only to about 40 meters while most submarines dive only to about 500 meters.