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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

How long does it take a floatin g object to circle completely around the north Atlantic gyre?

The time it takes for a floating object to circle completely around the North Atlantic Gyre can vary widely depending on the object's starting location, ocean currents, wind patterns, and size. On average, it could take several years for a floating object to complete a full circle around the North Atlantic Gyre due to the slow rotation of the gyre and the large expanse of ocean it covers.

What are the normal ocean circulation patterns?

The two main ocean circulation patterns are surface currents and deep ocean currents. Surface currents are driven by the wind and are influenced by the Earth's rotation, leading to the formation of gyres. Deep ocean currents are driven by differences in water density caused by temperature and salinity variations. These currents play a crucial role in distributing heat and nutrients around the globe.

Why icebergs take a long time to melt?

frozen liquids must be warmed (absorb heat) to melt. any liquids go straight to gas, If melting releases gas or gases while melting some heat is used in the evaporation process, cooling the liquid you have heated. A reaction of cooling during melting by heating slows the process.

Crossword question High what - great waves on the open ocean?

Answering my own question - just realized as posting it's High seas. Doh!

Why doesnt everything fossilize?

Not all organisms are preserved as fossils because the conditions required for fossilization are rare. Factors such as rapid burial, absence of oxygen, and the presence of minerals must align to preserve an organism as a fossil. Additionally, the soft tissues of organisms often decay before they can be fossilized.

What are facts about the last quarter?

The last quarter is typically the final three months of a fiscal year, often spanning from October to December. Companies analyze their performance during this period to determine their financial health and potential for growth. It's a crucial time for businesses to achieve their annual goals and make strategic decisions for the upcoming year.

Soil and rock debris accumulate on the continental slope after being washed down by the movement of the ocean true or false?

True. Soil and rock debris can accumulate on the continental slope due to the movement of sediment by ocean currents, waves, and underwater landslides. This accumulation can lead to the formation of submarine canyons and other underwater landforms.

Does the continental slope drops downward dramatically and is it considered a boundary line?

Yes, the continental slope descends steeply from the continental shelf into the deep ocean floor. It marks the boundary between the continental crust and the oceanic crust.

Soil and rock debris accumulate on the continental slope after being washed down be the movement of the ocean?

Yes, soil and rock debris can accumulate on the continental slope due to processes like mass wasting, turbidity currents, and sediment transport by ocean currents. This accumulation can result in the formation of underwater features like submarine canyons and sediment fans.

What is the worlds strongest ocean current?

The Agulhas Current, located off the coast of South Africa, is considered one of the strongest ocean currents in the world. It flows southwards along the eastern coast of Africa and is known for its swiftness and powerful currents, reaching speeds of up to 6.5 feet per second.

The global warming is real or made up?

Well It depends on how you look at it, I would say It's a political stunt because earlier in the 1900's, the public got told the world was getting colder and the Ice age would expand and we would all die If we did'nt do something. Later on that got proven a con, and now they have just swapped it round. It's just this con has not been found out yet but who knows It's just another great question for the world.

Where do continental shelves end?

Continental shelves typically end where the seafloor drops off into the open ocean, known as the continental slope. This transition point can vary in depth but is usually around 200 meters (656 feet) deep. Beyond the continental slope lies the deep ocean floor known as the abyssal plain.

What makes the ocean move?

several different element are involve......first the tides are controlled by the moon, then the earths tilt and the speed of rotaion on its axis contolls how the oceans waters flow.....therefore the water is always flowing from the mountains into streams into rivers into bays then oceans. because the land is on higher elevation than the water, the ocean contionously splashes against the surface, and then is sucked back in by the flow if streams in the oces (aka known as rip tides) wind or imbalances in water temperature or possibly the moon affecting tides == The winds cause the typical waves that we see on the ocean's surfaces and that result in the crashing surf that we see at beaches. Tsunamis are not like typical waves; they start when earthquakes along the ocean floor displace huge amounts of ocean water, and this displacement radiates outward for thousands of miles. Wind-generated waves affect the surfaces of oceans (the first several meters at most) but tsunamis are entire columns of water, from floor to surface, and contain incredible amounts of energy deriving from the initial earthquakes that cause them.

What can a tsunami do to you?

They can kill you from drowning or from being hit with debris that is being carried by the wave. They can wash you out to sea. They destroy or damage property and can leave many thousands of people homeless. They can disrupt availability of fresh water and food. They kill pets, livestock, and crops.

What causes the beach sand to light up under your feet at night?

Bioluminescent plankton, typically dinoflagellates, are responsible for the phenomenon of beach sand lighting up under your feet at night. When these microscopic organisms are disturbed, they emit a blue-green light as a defense mechanism.

What is the main cause of wave refraction..A. the rogue wave B. wave lines approaching shore at an angle C. wave lines propagating around an object as they move shoreward D. wave lines entering a bay?

C. wave lines propagating around an object as they move shoreward. Wave refraction occurs when waves bend as they approach shallow water or obstacles along the coastline, causing them to change direction.

What type of tides do most of the worlds oceans experince?

Most of the world's oceans experience semidiurnal tides, which means there are two high tides and two low tides of almost equal height each day.

Has there ever been a tsunami in Alabama?

No there hasn't but one could happen out by Africa and come toward Alabama and Florida and the eastern states. But there would be a warning that here was an earthquake out there so you would have tHere so you would have time to evacuate.

What is the study of earths water?

The study of Earth's water is called hydrology. It focuses on the distribution, movement, and properties of water on and below the Earth's surface, including rivers, lakes, oceans, groundwater, and glaciers.

What do clouds contain?

Clouds are composed of water droplets or ice crystals that have condensed around tiny particles in the atmosphere, such as dust, pollutants, or salt. They also contain air and varying levels of moisture.

What are the major differences between eastern boundary currents in gyres and western boundary currents in gyres?

Eastern boundary currents are relatively shallow, broad, and slow-flowing. Western boundary currents are warm, deep, narrow, and fast-flowing currents that form on the west side of ocean basins due to western intensification.

Can you make a freshwater swallow float?

It's not recommended to make a freshwater swallow float as this could harm the bird. Swallows are small birds that are adapted for flying and swimming is not a natural behavior for them. It's important to ensure their safety and well-being in their natural environment.

What is the average pH of the ocean?

The average pH of the ocean is around 8.1, making it slightly alkaline. However, due to increasing carbon dioxide levels in the atmosphere, ocean acidification is a growing concern, leading to a gradual decrease in pH levels.

Name and describe three types of loads that must be considered in bridge construction?

In bridge construction dead load, live load, and dynamic load must be considered. Dead load is the weight of the bridge itself. Live load is the moving weight on the bridge. Dynamic load comes from outside forces like wind and vibrations.