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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 Pacific Equatorial Undercurrent known as?

The Pacific Equatorial Undercurrent is also known as the Equatorial Undercurrent. It is a narrow, deep, and swift eastward-flowing ocean current located in the equatorial region of the Pacific Ocean.

What part of the ocean has been least explored?

The deep ocean, specifically the abyssal zone (depths greater than 3,000 meters), has been the least explored due to its high pressure, darkness, and remoteness. Only a small percentage of this area has been mapped, and new species are constantly being discovered in these depths.

What are horizontal movements of Water that are caused by wind and occur at or near the Ocean's surface called?

Horizontal movements of water caused by wind and occurring at or near the ocean's surface are called surface currents. They play a significant role in redistributing heat around the Earth and influencing global climate patterns.

What elements are found in the ocean?

The ocean contains various elements, including hydrogen, oxygen, sodium, magnesium, and chlorine. These elements are essential for marine life and play a crucial role in the ocean's ecosystem. Additionally, trace elements such as iron, zinc, and copper are also found in the ocean in smaller quantities.

Where on the ocean floor is sediment the thickest?

the thickest accumulation of sediment on the ocean floor is at the CONTINENTAL SLOPES AND RISES. :)

Why are the waves around Hawaii and Australia so high?

There are a number of reasons, two of them include the fetch and bathmetry.

If a wave has a long fetch that means it is likely to be larger, the fetch is, in simple terms, how far the wave as traveled from its propagation or source to say the coast where you see it break over the shore line. Say for example a wave breaks on the coast of Hawaii, Hawaii is many many miles from another landmass, that means that the wave has traveled in the ocean for many miles allowing it to grow in size which means it'll be bigger when it hits the shore line; this is helped by the strength and direction of the wind too.

Another factor is bathymetry or simply what the surface of the ground is like under the water, as the surface of ground under the water slopes upwards to the shore line when the wave comes towards the land it rubs on the ground and this friction causes the front of the wave to slow down, because it rubs on the ground first, and the back part of the wave catches up with the front and tries to over take it, causing the wave to get taller, the steeper the ground the more quickly the front part of the wave will slow down and the back part will catch up making the wave get taller more quickly. Bathymetry can also funnel the waves in different ways into different shaped bays and coves etc which can slow them down or focus the energy into a more confined space which could make them higher.

What state is the mouth of the Missouri River located?

The mouth of the Missouri River is located in the state of Missouri, near the city of St. Louis.

What causes salt water and fresh water to mix?

Salt water and fresh water can mix through processes like diffusion or turbulent mixing. Diffusion occurs when molecules move from areas of high concentration to low concentration, while turbulent mixing involves the physical mixing of two bodies of water with different salinities.

What happens when fresh water meets salty ocean water?

When fresh water meets salty ocean water, they do not mix immediately due to differences in density and salinity. Instead, a zone called a "halocline" forms where the two types of water meet but remain somewhat separate. Over time, the two waters gradually mix and dilute each other, creating a more uniform salinity level.

What percent of water is the Earth?

Earth's surface is covered with 71% water.

What body of water was called mare nostrum?

the Mediterranean Sea was called "mare nostrum" by the ancient Romans.

"mare" is the Latin word for "sea", and "nostrum" means "our", so the Mediterraneans thought of that sea as "Our sea.)

You can think of "mare" when you meet maritime, mariner, submarine.........

A place where fresh water and salt water meet?

The global market value for the provision of food,

timber, marine fisheries, and hunting and fishing is

estimated at more than one trillion dollars per year.

However, these ecosystem values are not adequately

reflected in markets and polices, as evidenced by

the fact that more than 60 percent of our planet's

ecosystem services have already been degraded or

are being used unsustainably.

Freshwater systems provide essential ecosystem

services, both for human populations and as home

to the greatest concentration of biodiversity on Earth.

However, the world's freshwater systems and their

myriad species are losing their value for people due to

depletion of water supplies, pollution of what remains,

unsustainable harvest of species, the introduction of

alien species, and changing climate.

Conservation International is addressing the threats

to ecosystem services, particularly in fresh water, for

the benefit of humans and biodiversity alike through

its Ecosystem Services and Freshwater Initiative.

Launched in 2007, this initiative includes science,

practice, and leveraging policy and behavior changes.

The results CI is generating are critical for making a

business case for biodiversity and ecosystem services

conservation as a means of generating human welfare

benefits within larger contexts of human development,

poverty alleviation, and land-use decisionmaking.

These results can only be achieved through strong

partnerships with research institutions, national and

international nongovernmental organizations (including

development and humanitarian organizations),

governments, corporations, and local organizations

among others; such partnerships are a cornerstone of

CI's overall conservation strategy.

What types of water make up fresh water on earth?

Fresh water on Earth primarily consists of surface water in the form of rivers, lakes, and streams, as well as groundwater stored in aquifers. Other sources of fresh water include ice caps and glaciers. These types of water collectively make up the freshwater resources on Earth.

What is an estaury?

An estuary is a partially enclosed coastal body of brackish water where freshwater from rivers and streams meets and mixes with saltwater from the ocean. Estuaries are important ecosystems that support diverse marine life and provide valuable habitats for many species.

Deep-oceanic trenches are most abundant around the rim of the?

Deep-oceanic trenches are most abundant around the rim of the Pacific. Deep ocean trenches are surficial evidence for sinking of oceanic lithosphere into the mantle at a subduction zone.

Approximate mixing time of the world ocean?

The mixing time of the world ocean is estimated to be around 1,000 years. This is because the ocean is a complex system with different circulation patterns and factors influencing mixing rates. It can vary in different regions and depths, but the overall estimate is around 1,000 years for complete mixing.

What organisms have a symbiotic relationship with coral?

Coral have a symbiotic relationship with zooxanthellae, photosynthetic algae that live inside the coral's tissues and provide energy through photosynthesis. Coral polyps also form partnerships with tiny organisms called zooxanthellae, which live inside their tissues and give corals their vibrant colors. Additionally, some species of fish, such as clownfish, have a mutualistic relationship with coral where they seek shelter among the coral branches and protect the coral from predators in exchange for a safe habitat.

What is educational requirements oceanography?

well i have been searching for the educational requirements in order to become an oceanographer for the past 2 days and haven't had much luck. but for those of u who don't kno what oceanography is. oceanography is almost like marine biology, they both study life and anything that has to do with oceans. marine biologist study the plants and animals underwater and an oceanographer studies the ground movements in the ocean and what causes earthquakes, volcanic eruptions, and ocean currents.

Pros and cons to recharging an aquifer artificially?

Pros : the revival of a water source

Cons : the cost of doing it because water would have to be piped in from some other source

i got it from another site.

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I am a fish. I am male but I take care of all my young I can swim but I prefer to be carried by ocean currents I look like a familiar land animal What am I?

You are a male seahorse. Seahorses are known for their unique reproduction method where males carry and birth the young. They rely on ocean currents for travel and their appearance resembles a horse with a curled tail.

How long does it take to become a geologist?

It depends what you want to do. Many geologists only need a bachelor's of science, which can be obtained in 4 years at a university. Some must go on to get a masters (usually 2 years), and even a PhD (several more years).

What is the pH of Ocean water?

This is assuming you have the hydrogen ion concentration of the water. This is normally expressed as moles/liter. You can use the formula pH = -log[H+] to find the answer.

What kind of tools do hydrologist use?

It depends on the type of work being done. Surface water hydrologists may use various devices to monitor the level and/or flow of water, such as flumes, weirs, flow meters, staff gauges, and pressure transducer/data loggers. Groundwater hydrologists often use depth meters, pressure transducers/data loggers, pumps, bailers, flow meters, generators, compressors, and so on. Both will use a wide array of water chemistry tools (pH meters, dissolved oxygen meters, electrical conductivity/salinity meters, field chemistry screening kits, and so on).

Can you do a correspondence course in oceanography?

Often, students may need a particular course for their education but don't live where it's offered. However, thanks to correspondence courses they're able to take courses by mail. Besides traditional college students, correspondence courses focus on full-time employees, military personnel, and other nontraditional students unable to attend in-person classroom lectures.

What did Sylvia Earle invent?

Sylvia Earle was born in 1935. She designed a small submarine for underwater exploration. She started a business called Deep Ocean Engineering which builds the small submarines, which can reach 35,000 feet, the deepest ocean depth known.