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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 is the main reason that the oceans are becoming more acidic?

Ocean acidification is caused from the ocean being forced to absorb vast amounts of fossil fuels and carbon. The carbon that is absorbed in turn causes the waters pH to go down, thus making it more acidic.

Dissolving CO2 in seawater increases the concentration in the ocean, and thus decreases ocean pH.

When CO2 dissolves, it reacts with water to form a balance of ihttp://wiki.answers.com/wiki/Ion and non-ionic chemical species: dissolved free carbon dioxide, carbonic acid, carbonate and bicarbonate.

What are the only 2 countries in the world that border 3 oceans?

The only two countries in the world that border three oceans are Canada and Russia. Canada borders the Atlantic, Pacific, and Arctic Oceans, while Russia borders the Arctic, Pacific, and Atlantic Oceans.

What is it called when the salt water flows inland from the ocean?

This process is called "saltwater intrusion." It occurs when saltwater moves into and contaminates freshwater sources, typically in coastal areas where there is excessive water extraction from wells or a decrease in freshwater flow.

How many mile between ocean isle beach NC and myrtle beach SC?

Ocean Isle Beach, NC and Myrtle Beach, SC are approximately 45 miles apart, with a drive time of around 1 hour.

What is the difference between gulf and strait?

A gulf is a large body of water surrounded by land on three sides, while a strait is a narrow waterway that connects two larger bodies of water. Gulfs are typically larger and more open than straits, which are often used for navigation between bodies of water.

Why the water of the ocean is salty?

When water goes to the ocean, most of the time its by a river. When rivers travel over land it picks up particles like salt. When the river meets the ocean at the rivers delta the slowing of the speed of the river causes the bigger sized particles to get deposited at the bottom of the ocean. The smaller particles(salt) remain in the water making the water salty.

What percentage of the biosphere are the oceans?

Approximately 71% of the Earth's surface is covered by oceans, which make up about 97% of the biosphere in terms of volume. Oceans are crucial for sustaining life on our planet and support a wide variety of organisms.

Which location would the ocean ridge most likely be located?

The ocean ridge is most likely to be located along the boundary of tectonic plates, such as the Mid-Atlantic Ridge. This is where new oceanic crust is formed as plates move apart, causing magma to rise and solidify.

Who said the proverb Little drop of water makes the mighty ocean?

This proverb is of unknown origin, but it is used to emphasize the idea that small, consistent efforts can lead to significant results over time. It highlights the power of incremental progress and the impact of collective action.

How does weather affect skin?

Weather can impact the skin by causing it to become dry, irritated, or damaged. Extreme temperatures, sun exposure, humidity, and wind can all contribute to these effects. It's important to protect the skin with appropriate skincare products and practices to minimize the negative impact of weather conditions.

What Are The Rescue Operations During Tsunami?

What to do before a tsunami

    • Advisory - An earthquake has occurred in the Pacific basin, which might generate a tsunami. WC/ATWC and PTWC will issue hourly bulletins advising of the situation.
    • Watch - A tsunami was or may have been generated, but is at least two hours travel time to the area in Watch status.
    • Warning - A tsunami was or may have been generated, which could cause damage; therefore, people in the warned area are strongly advised to evacuate.
  1. Know the terms used by the West Coast/Alaska Tsunami Warning Center (WC/ATWC-responsible for tsunami warnings for California, Oregon, Washington, British Columbia, and Alaska) and the Pacific Tsunami Warning Center (PTWC-responsible for tsunami warnings to international authorities, Hawaii, and the U.S. territories within the Pacific basin).
  2. Listen to radio or television for more information and follow the instructions of your local authorities.
  3. Immediate warning of tsunamis sometimes comes in the form of a noticeable recession in water away from the shoreline. This is nature's tsunami warning and it should be heeded by moving inland to higher ground immediately
  4. If you feel an earthquake in a coastal area, turn on your radio to learn if there is a tsunami warning.
  5. Know that a small tsunami at one beach can be a giant wave a few miles away. The topography of the coastline and the ocean floor will influence the size of the wave.
  6. A tsunami may generate more than one wave. Do not let the modest size of one wave allow you to forget how dangerous a tsunami is. The next wave may be bigger.
  7. Prepare for possible evacuation. Learn evacuation routes. Determine where you would go and how you would get there if you needed to evacuate. See the "Evacuation" and "Emergency Planning and Disaster Supplies" chapters for information.

What to do during a tsunami

  1. If you are advised to evacuate, do so immediately.
  2. Stay away from the area until local authorities say it is safe. Do not be fooled into thinking that the danger is over after a single wave-a tsunami is not a single wave but a series of waves that can vary in size.
  3. Do not go to the shoreline to watch for a tsunami. When you can see the wave, it is too late to escape.

What to do after a tsunami

  1. Avoid flooded and damaged areas until officials say it is safe to return.
  2. Stay away from debris in the water, it may pose a safety hazard to boats and people.
  3. See the "Recovering From Disaster" chapter for more information.

What foods found in the ocean did the first nations eat?

First Nations people traditionally ate a variety of seafood from the ocean, including fish such as salmon, halibut, and cod, as well as shellfish like clams, mussels, and crabs. They also consumed seaweed and sea vegetables as part of their diet.

What do you call a mix of fresh and salt water?

A mix of fresh and salt water is called brackish water. This type of water is found in estuaries, where rivers meet the sea, creating a unique ecosystem that supports diverse wildlife.

Do estuaries contain both salt water and freshwater?

Yes, estuaries are coastal areas where seawater from the ocean mixes with freshwater from rivers and streams. This combination of salt water and freshwater creates a unique and dynamic ecosystem that supports diverse marine and plant life.

What does five million plastic bottles look like?

Five million plastic bottles would weigh approximately 250 metric tons and would fill up roughly 10 Olympic-sized swimming pools. Visually, it would be a mountain of plastic bottles that reaches several stories high.

Why can't people travel to the sea floor without a vessel like Alvin?

The sea floor is extremely deep and subject to high pressure that would crush a person's body. Without a vessel like Alvin that is specifically designed to withstand these extreme conditions, it would be impossible for humans to safely reach the sea floor.

Do tidal waves cause damage?

Yes, tidal waves can cause significant damage along coastlines due to their massive size and powerful force. They can flood coastal areas, sweep away buildings and infrastructure, and result in loss of life and property damage. Preparedness and early warning systems are crucial in minimizing the impact of tidal waves.

Can you use a salt water boat in fresh water?

Yes, you can use a salt water boat in fresh water. However, it is important to rinse off the boat and its components thoroughly after each use in salt water to prevent corrosion and damage from the salt.

How does density affects fresh water VS salt water?

Density is higher in saltwater than in freshwater due to the higher concentration of dissolved salts in saltwater. This difference in density affects the way objects float in each type of water - objects float higher in saltwater because it is denser. Additionally, density influences the circulation of water in the ocean, with denser saltwater sinking and driving deep ocean currents.

Where fresh water runs into the ocean nursery for ocean babies?

Estuaries are where fresh water from rivers and streams mixes with saltwater from the ocean, creating a unique and nutrient-rich ecosystem. These areas serve as nurseries for many marine species, providing essential habitat and food sources for young ocean creatures to thrive and grow.

What did hydrothermal vents do during Earths first years?

In the earlier of Earth's years; the Hadean from memory; there was no water and hence no hydro- anything. This was the first 700 million years or so. (Between 4.5 and 3.8 billion years ago.)

But some very old banded iron deposits come from this early, indicating that these were precipitated by changing chemical conditions.

Another few hundred million years later, the blue-green algae appeared, and having invented photosynthesis with its attendant release of oxygen, created the large banded iron deposits. And some soft-bodied fossils, such as the Ediacaran.

What other options are there for transporting oil acrossed oceans?

Other options for transporting oil across oceans include pipelines, tankers, and barges. Pipelines can be used to transport oil overland to ports for shipment by tanker or barge. Tankers are large ships specifically designed to carry oil in bulk over long distances. Barges are smaller vessels that can transport oil along rivers and coastal areas.

Who sings the song oceans but copied by beside lights?

"Oceans" is originally performed by Hillsong United. It is a popular Christian worship song known for its powerful lyrics and melody. Besides Lights covers the song in their own unique style, adding their own artistic interpretation to the original track.

What best describes why estuaries are important resources?

Estuaries are important resources because they serve as vital habitats for various species, act as nurseries for young organisms, filter pollutants, protect coastlines from erosion, and provide valuable recreational opportunities for people. They also support diverse ecosystems and contribute to the overall health of the environment.