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Covers 30 percent of the earths landmass, covers 20 million square miles of ocean, touches more than 67 percent of the earths coastline
-As temperature increases, density increases (due to thermal expansion) -As salinity increases, density increases (due to the addition of more dissolved material) -As pressure increases, density increases (due to the compressive effects of pressure) of these 3 factors, only temperature and salinity influence the density of surface water. Pressure influences seawater density only when very high pressures are encountered, such as in deep ocean trenches.'' (Thurman H., et al, 2002)
"Okeanos (Oceanus) in Greek) is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface (an area of some 361 million square kilometers) is covered by ocean"- Ocean; WikipediaBy this estimate, Earth is approximately 508.45 million square kilometers..71x = 361x = 508.45510,072,000 km squared, total. About 30 percent land About 70 percent water See link for more information.
The height of the surface of the ocean is referred to as sea level.
Its SAND
38 parts per thousand
thermohaline
Ocean currents are generated by several environmental factors. These include wind, salinity variations, gravity, and natural events such as earthquakes.
The average ocean salinity is around 3.5%. It is typically measured in parts per thousand (ppt) or in PSU (practical salinity units), with most oceans having a salinity close to this average value.
The open ocean of any depth is called the pelagic zone. This zone encompasses all the water in the ocean that is not near the shore or the ocean floor. Within the pelagic zone, there are different regions based on depth and light penetration, such as the epipelagic, mesopelagic, bathypelagic, and abyssopelagic zones.
Oceanographers can determine ocean currents, density variations, and the distribution of marine organisms by using the temperature and salinity of ocean water. These properties influence the movement of water masses and the distribution of marine life in different parts of the ocean.
Salinity can vary because of water temperature, rivers emptying into the ocean and mixing with ocean water, ice forming or melting, evaporation and precipitation. I think temperature is the biggest reason.http://wiki.answers.com/List_the_reasons_for_variations_in_salinity_in_the_various_oceans#ixzz16sZMdZIZ
The dead sea has a salinity of 33.7% normal ocean is around 3.1-3.8%
The salinity in the open-ocean zone tends to range from about 33 to 37 parts per thousand (‰), with variations based on factors like precipitation, evaporation, and proximity to land. This range is considered typical for most oceanic regions, although localized variations can occur due to factors like melting ice or freshwater runoff from rivers. Tracking salinity levels is important for understanding ocean circulation patterns and the distribution of marine life.
A) Salinity - the salt concentration in ocean water - is a major property that influences its density and affects marine life. Ocean water contains various minerals, experiences pressure variations with depth, and supports diverse plankton communities, but salinity is a fundamental characteristic.
That is correct. The average salinity of the ocean, which is part of the marine biome, is around 3.5%, with variations depending on factors such as location, depth, and proximity to freshwater sources.
Salinity is a measure of how salty water is. Ocean water is more salty in some places than in others. The answer is yes, places where rivers pour fresh water into the ocean have low salinity because fresh water is normally cold and in warm areas, ocean water evaporates quicker. When this happens, salt is left behind and the ocean water has a higher salinity.