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Oceanography

Oceanography, also called marine science, is the study of oceans. It includes the study of physical oceanography, marine chemistry, marine geology, and marine biology. Areas covered in oceanography are the shape, depth, and distribution of oceans, and also their composition, life forms, ecology, and water currents, as well as their legal status. If you would like to know more or share your knowledge about oceanography, ask and answer questions here! Includes questions related to the study of Earth's oceans and seas.

1,839 Questions

What discoveries organisms sea floor features were found with aqualung?

With the invention of the aqualung, scientists were able to discover diverse ecosystems thriving on the seafloor, such as hydrothermal vent communities and coral reefs. They also found unique species adapted to extreme conditions in deep-sea trenches and undersea caves. The aqualung enabled researchers to study these environments up close and uncover important insights into marine biodiversity and ecology.

How can you get salt from the sea?

There are more than one way to make a sea salt or table salt. But if you do not have any machine to make it, you can make it manually by having a Salt pans. Or you can make a container looks like a bath tub outside and pour it with sea water and let the sun dries up the water. After that you will see the residue and you can use it as your seasoning for cooking. Salt ponds are for the seawater storage and then let seawater evaporates and produce a salt once the sunlight eats the seawater on those ponds.

Which South pacific republic consists of 844 islands?

The Solomon Islands is the South Pacific republic that consists of 844 islands. These islands are located east of Papua New Guinea and are known for their beautiful coral reefs and diverse marine life.

What is the deepest man has gone underwater without breathing apparatus?

Nuno Gomes, a Portugese Man who's also a Portugese Footballer made it to 318.5m. He was trying to beat Mark Elliott who made a depth of 313m, but he had another goal which was to reach 320m Goals Easier Goal = Become the world's deepest diver by beating Mark Elliott at 313m (succeeded) Harder Goal = Get up to 320m (failed) You made a spelling mistake in your question. When you mean that kind of C, you say sea.

Does spinning water always spin in the same direction?

The direction in which water spins can be influenced by various factors such as the shape of the container, the initial motion of the water, and external forces such as wind or currents. In nature, water can exhibit different spinning directions depending on the circumstances.

What is the average temperature of salt water?

"Room temperature" is an informal substitute for the temperature value in "standard temperature and pressure", an internationally defined set of conditions. At present, this temperature is 25 degrees Celsius. Note that "salt water" has no influence on the answer; any other substance at room temperature would result in the same answer.

What is an Eskers?

An esker is a long, winding ridge of sand and gravel deposited by a melting glacier. It is typically formed in tunnels within or beneath the ice and can stretch for many kilometers. Eskers are a common feature in glaciated regions.

When was the most infamous tsunami ever?

The most infamous tsunami in recent history occurred on December 26, 2004, with the Indian Ocean Tsunami. Triggered by a 9.1 magnitude earthquake off the coast of Sumatra, Indonesia, it caused devastation across several countries and resulted in over 230,000 fatalities.

The shelf edge is the boundary between the continental shelf and the?

continental slope, where the sea floor steeply drops off to deeper ocean depths. It marks the transition from shallow continental waters to the deeper oceanic realm.

What is the largest watershed?

The Amazon River basin is considered the largest watershed in the world. It covers approximately 2.7 million square miles and spans multiple countries in South America, including Brazil, Peru, and Colombia.

How is a deep ocean current formed?

Deep ocean currents are formed by differences in water temperature and salinity, as well as by the topography of the ocean floor. Cold, dense water sinks and flows along the bottom of the ocean, while warm water rises and flows along the surface, creating a continuous circulation pattern. This movement of water is also influenced by the rotation of the Earth and wind patterns.

Has a tsunamis ever taken out a plane?

Yes, parked planes. I don't believe an earthquake caused tsunami has ever struck an airborne plane. These typically only rise a few meters out in the ocean. They surge higher over land, but still usually below treetop level--well below typical flying heights.

Is pH dangerous at 7.4?

A pH of 7.4 is considered slightly alkaline, and it is within the normal range for human blood pH (which is typically around 7.35 to 7.45). This pH level is not dangerous for most individuals, as the body has mechanisms to regulate and maintain a stable pH to keep us healthy.

What is a blue water sailor?

Crewmen aboard warships at sea; Brown Water Sailors operate Riverine Boats (Swift Boats, PBR's, Monitors, and Alpha Boats during the Vietnam War/Brown Water Navy disbanded in 1970 in Vietnam).

What is a halocline in oceanography?

In oceanography, a halocline is the vertical zone in the oceanic water column in which salinity levels change rapidly with depth, located below the mixed, uniformly saline surface water layer. A halocline can be found in countless locations around the world yet some of the most developed are located in the Atlantic Ocean where salinities can decrease by several parts per thousand from the bottom of the surface layer to depths of about 3,300 feet. The opposite of a halocline would be a pycnocline where, through depth, water density increases.

How are high islands formed?

Volcanic islands form when volcanic activity initiates on the sea floor. Over many years the rock formed by successive eruptions builds up, eventually breaching the surface to form islands. This can occur in two geologic settings: hot spots and oceanic subduction zones. With a hot spot, extra hot mantle material wells up in a plume originating near Earth's core. Some of this melts beneath the crust and the resulting magma rises up through the crust, erupting to form volcanoes. This is how the Hawaiian Islands formed. In an oceanic subduction zone, two plates consisting of oceanic crust collide. One plate slides under the other an into the mantle. Seawater trapped in the rock and sediment seeps into the hot mantle rock, altering the chemistry and allowing it to melt into magma. This then rises through the crust to form volcanoes. Many of the Aleutian Islands formed by this proceeds. A similar process can occur with an oceanic plate subducting under a continental plate, forming volcanoes along continental margins.

What are tsumamis?

A tsumami is a large amount of water arranged into a wave. It is triggered when a large earthquake displaces a large amount of water and sends it hurling towards land.

As the deep water wave gets close to land it picks up speed and gains height.

Linnaeus founded the science of?

He was known a the Father of Taxonomy and created binomial nomenclature, which is a 2 part scientific name written in italics or underlined, based on structural similarities of organisms. Genus is always capitalized and species is always lower case. Ex: Homo sapiens

The moon travels around the earth its gravitational force pulls on water making two kinds of tides what are the two tides?

The two types of tides created by the moon's gravitational pull on Earth's water are high tides and low tides. High tides occur on the side of Earth facing the moon and on the opposite side, while low tides occur at the points perpendicular to the moon.

Average depth of southern ocean?

The average depth of the Southern Ocean is around 13,100 feet (3,990 meters). This makes it one of the deepest oceans in the world, with significant variations in depth across its vast expanse.

What is the current use of the word pulchritude?

The word "pulchritude" comes from the Latin "pulchra," meaning beautiful. Thus, pulchritude is just a fancy, more Latin-rooted way of saying "beauty."

Why do phytoplankton stay at the surface of the ocean?

Phytoplankton stay at the surface of the ocean to access sunlight for photosynthesis, which is vital for their growth and survival. Being closer to the surface also allows them to take in nutrients and carbon dioxide more efficiently, which are needed for their metabolic processes.

What is low salinity?

Low salinity refers to the condition of water having a lower concentration of dissolved salts compared to seawater. This can occur in areas where freshwater input dilutes the salt content or due to specific environmental conditions such as rainfall or melting ice. Low salinity levels can have impacts on aquatic ecosystems and influence ocean circulation patterns.

What is an octopus locomotion?

It uses its 8 tentacles and thrashes them to propel through the water, like if you swam moving your arms to the sides