Why do vast amounts of sea ice exist in polar oceans?

Why do vast amounts of sea ice exist in polar oceans?

When strong winds in the Arctic and Antarctic regions force icebergs and sea ice away from the coasts and out to sea, areas of open water remain where air and water are in direct contact with each other. These areas are called coastal polynyas, and they are the places where sea ice is created.

What is the average surface temperature of the ocean?

28-86o F

What is tropical water temperature?

The water temperature of tropical oceans thus typically exceeds 20°C (68°F) and stays relatively constant throughout the year. Particularly intense radiation directly over the equator evaporates seawater and forms a mass of very warm, humid tropical air that subsequently rises and cools as it flows north and south.

What are the 3 main temperature layers in the ocean?

The ocean has three main layers: the surface ocean, which is generally warm, and the deep ocean, which is colder and more dense than the surface ocean, and the seafloor sediments.

What are the 3 zones of the ocean?

There are three main ocean zones based on distance from shore. They are the intertidal zone, neritic zone, and oceanic zone.

What are the three general layers of ocean water?

The ocean has three primary layers. 2. The layers are the surface layer (sometimes referred to as the mixed layer), the thermocline and the deep ocean. 3.

Why was the sea level lower 15000 years ago?

The main reasons for sea level fluctuations in the last 15 million years are the Antarctic ice sheet and Antarctic post-glacial rebound during warm periods. The current sea level is about 130 metres higher than the historical minimum.

Where is the warmest sea in the world?

the Red Sea

Which sea is warmest?

The Indian Ocean has the warmest temperatures of the world’s oceans.

• Ocean water temperature is important to understand, as it affects global climate and marine ecosystems.
• The Indian Ocean is the warmest in the world.
• Ocean surface temperatures have risen by about 1.6°F over the past 100 years, due to global warming.

What is the warmest beach in the UK?

The South West, which is famed for its beaches, may be the first choice for many to dip their toes in the water. But the warmest places include Bracklesham Bay, and Weston Bay in the Bristol Channel, which both hit 21.6C on Monday.

What is the coldest ocean on Earth?

Arctic Ocean

What is the warmest part of the Mediterranean Sea?

Gulf of Sidra

Where is the clearest water in the Mediterranean?

Sardinia

Is the Mediterranean warm all year?

The majority of the regions with Mediterranean climates have relatively mild winters and very warm summers. However, winter and summer temperatures can vary greatly between different regions with a Mediterranean climate.

Which sea is warmer Atlantic or Mediterranean?

Mediterranean temperature The Mediterranean is seperated from the Atlantic Ocean by the Straits of Gibraltar. There is a fair degree of temperature variation in the waters of the Med. It is generally significantly warmer as you travel east and there is around 10°C range between winter and summer high and lows.

Can you swim in the Mediterranean Sea?

But most importantly, most alluringly, the swimming on offer is in the waters of the Mediterranean Sea. The water has its own rhythm, ranging from tiny ripples via rhythmic lapping to small waves (or rarely big ones, but usually we avoid those for swimming).

Which is warmer Adriatic Sea or Baltic Sea?

Answer: The Adriatic Sea is warmer. Explanation: Please give brainliest.

Is the Mediterranean Sea the largest sea in the world?

Biggest seas in the world. American Mediterranean Sea – 4

Which is the largest sea on Earth?

Pacific Ocean

What two major plates affect Mediterranean?

The tectonic framework of the eastern Mediterranean and Middle East region is dominated by the collision of the Arabian and African plates with Eurasia (e.g., McKenzie, 1970; Jackson and McKenzie, 1988).

How quickly are the plates moving at the Mediterranean Sea?

For millions of years the African plate, which contains part of the Mediterranean seabed, has been moving northward toward the Eurasian Plate at a rate of about an inch every 2.5 years (a centimeter a year).

Is the Black Sea deeper than the Mediterranean?

Currently, the Black Sea water level is relatively high; thus, water is being exchanged with the Mediterranean. The Turkish Straits connect the Black Sea with the Aegean Sea and comprise the Bosporus, the Sea of Marmara, and the Dardanelles….

Black Sea
Water volume	547,000 km3 (131,200 cu mi)
Islands	10+

What lives in the Black Sea?

Black sea, blue river, green mountains Bears, wolves and lynx inhabit the old growth forests. In the Black Sea, one still finds bottlenose dolphins and about 180 species of fish, including tuna, anchovy, herring, mackerel and the famous white sturgeon.

What lives at the bottom of the Black Sea?

The most diverse and interesting marine life of the Black Sea is in the rocky bottom habitats. In very shallow water, we find multicolored macroalgae, motley bright blennies, shrimps, and sea anemones.