Q. How has satellite technology helped the study of oceanography?
What are two ways satellite technology aids oceanographers and astronomers in studying the oceans and outer space? Satellite technology allows oceanographers and astronomers to collect data remotely and communicate across the globe and in real time.
Q. How are ocean floors mapped?
Echo sounding is the key method scientists use to map the seafloor today. The technique, first used by German scientists in the early 20th century, uses sound waves bounced off the ocean bottom. The time taken for the sound to travel through the ocean and back is then used to calculate water depths.
Q. What do satellites tell us about the oceans?
Using satellites, NOAA researchers can also more closely study the ocean. Information gathered by these satellites can tell us about ocean bathymetry, sea surface temperature, ocean color, coral reefs, and sea and lake ice. Satellites provide other services beyond just imaging the earth.
Q. What was the most significant discovery about the sea floor using satellite technology?
Exploring the abyss An ancient sea floor rift and an extinct mid-ocean ridge hot spot have been discovered using new satellite technology that maps the sea floor in unprecedented detail.
Q. Which part of the ocean floor is the most difficult to explore due to pressure?
abyssal zone
Q. Can we reach the ocean floor?
The deepest point ever reached by man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth. To go deeper, you’ll have to travel to the bottom of the Challenger Deep, a section of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam.
Q. How far down is the Titanic?
about 12,500 feet
Q. How deep can a human dive?
60 feet
Q. At what depth will water crush you?
Human beings can withstand 3 to 4 atmospheres of pressure, or 43.5 to 58 psi. Water weighs 64 pounds per cubic foot, or one atmosphere per 33 feet of depth, and presses in from all sides. The ocean’s pressure can indeed crush you.
Q. Can a human dive 2000 feet?
There are different limits set for recreational and commercial divers. With the right scuba gear including a dry dive suit, a scuba tank, gloves, and so on, divers can reach depths of around 1000 feet or more. In fact, with specialized equipment such as an atmospheric suit, divers can reach 2000 feet.
Q. How deep do navy seals dive?
Navy SEALS commonly don’t need to be in extremely deep water for their work. But with how extensive their training is in diving, they are likely to be certified to dive 100-130 feet or deeper with many technical certifications on top of that.
Q. What is the world record in free diving?
214 meters
Q. Can you survive 47 meters underwater?
You can you survive 47 metres underwater but to do so you need to have the necessary training and experience as a scuba diver. To survive a deep dive to 47 metres down you must follow decompression stop limits or carry out decompression stops on your ascent to avoid getting decompression sickness.
Q. Has anyone ever died in a shark cage?
No human has ever died by shark attack in a shark cage diving accident, making many believe shark cage diving is safe. The closest to death anyone has come – on record – to death during a cage dive with a shark was in 2005 when a British tourist in South Africa was attacked by a great white while in a cage.
Q. Does Lisa die in 47 meters down?
In the reality of 47 Meters Down’s ending, Kate is shark bait. She’s dead. Lisa survives. But at least for a moment, Lisa got the happy ending we wished for her and her sister.
Q. Is 47 meters a true story?
If you’re wondering if 47 meters down is a true story or not, it’s not true. The film 47 Meters Down is a horror survival film and was directed by Johannes Roberts. This fictional story, which has received mixed reviews, was written by Johannes Roberts and Ernest Riera.
Q. Why does the bends kill you?
Beating the bends When divers ascend too quickly from deep waters, dissolved nitrogen in the blood forms bubbles which can cause excruciating pain in the muscles, paralysis, and in some cases even death.
Q. Why are divers not attacked by sharks?
The most common reason is likely to be that they get confused. Surfers or swimmers are mistaken for more natural prey such as seals, which spend a lot of time on the surface. The chances are the shark just takes a single bite then realizes its mistake.
Q. Are sharks blind?
Their study shows that although the eyes of sharks function over a wide range of light levels, they only have a single long-wavelength-sensitive cone type in the retina and therefore are potentially totally color blind. …
Q. What color do sharks hate?
Since sharks see contrast colors, anything that is very bright against lighter or darker skin can look like a bait fish to a shark. For this reason, he suggests swimmers avoid wearing yellow, white, or even bathing suits with contrasting colors, like black and white.
Q. What’s the friendliest shark?
Nurse sharks are thought to be among the most docile sharks, and frequently allow humans to swim near them or pet them.
Q. Which shark is most dangerous?
bull sharks
