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What is the climate of marine biome?

What is the Climate of Marine Biome?

The marine biome, also known as the ocean biome, is the largest of the world’s five biomes, covering over 70% of the Earth’s surface. It is a vast and diverse ecosystem that includes the open ocean, coastal areas, estuaries, and the deep sea. The climate of the marine biome is complex and influenced by various factors, including the sun’s energy, ocean currents, and the movement of tectonic plates.

Temperature

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The temperature of the marine biome varies greatly depending on the location and depth. The surface waters of the ocean are generally warmer than the deeper waters, with an average temperature range of 10°C to 30°C (50°F to 86°F). The warmest waters are found near the equator, while the coldest waters are found in the polar regions.

LocationAverage Temperature (°C)Average Temperature (°F)
Equatorial waters28°C82°F
Tropical waters24°C75°F
Temperate waters12°C54°F
Polar waters-1°C30°F

Salinity

The salinity of the marine biome varies depending on the location and the input of freshwater from rivers, glaciers, and precipitation. The average salinity of the ocean is 3.5%, but it can range from 0% in areas with high freshwater input to 4.5% in areas with low freshwater input.

LocationAverage Salinity (%)
Open ocean3.5%
Estuaries0.5-3.5%
Coastal areas2-4%
Deep sea3.5-4.5%

Ocean Currents

Ocean currents play a crucial role in shaping the climate of the marine biome. They help to distribute heat and nutrients around the globe, influencing the distribution of marine life. The major ocean currents include the Gulf Stream, the Kuroshio Current, and the Antarctic Circumpolar Current.

Ocean CurrentDirectionTemperature (°C)
Gulf StreamNorthward20-25°C (68-77°F)
Kuroshio CurrentEastward25-30°C (77-86°F)
Antarctic Circumpolar CurrentWestward0-5°C (32-41°F)

Atmospheric Pressure

The atmospheric pressure over the marine biome is influenced by the movement of high and low-pressure systems. These systems help to drive the ocean currents and influence the distribution of marine life.

Pressure SystemPressure (mbar)Influence on Ocean Currents
High-pressure system1013-1020 mbarWeakens ocean currents
Low-pressure system980-990 mbarStrengthens ocean currents

Human Impact

Human activities, such as climate change, pollution, and overfishing, are having a significant impact on the climate of the marine biome. Climate change is causing ocean temperatures to rise, leading to changes in the distribution of marine life and the frequency and severity of marine heatwaves.

Human ImpactEffect on Marine Biome
Climate changeRising ocean temperatures, changes in marine life distribution
PollutionHarmful algal blooms, reduction of marine life populations
OverfishingDepletion of fish populations, changes in marine food webs

Conclusion

The climate of the marine biome is complex and influenced by various factors, including temperature, salinity, ocean currents, and atmospheric pressure. Human activities are having a significant impact on the marine biome, and it is essential to take action to mitigate these impacts and protect this vital ecosystem. By understanding the climate of the marine biome, we can better manage its resources and ensure the long-term health of our planet.

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