Sentences with phrase «sea ice formed during»

For example, in the southern Weddell Sea so much sea ice forms during the autumn and winter months that the amount of salt released in the process turns the water around and below the 450,000 km2 Filchner - Ronne Ice Shelf into a massive protective sheath.

Not exact matches

The land bridge forms during ice ages, when much of the water on the planet becomes part of growing continental glaciers, making the sea level much lower than it is today,» explained Shapiro.

The upper part of the modern Arctic Ocean is flushed by North Atlantic currents while the Arctic's deep basins are flushed by salty currents formed during sea ice formation at the surface.

During glaciation, water was taken from the oceans to form the ice at high latitudes, thus global sea level drops by about 120 meters, exposing the continental shelves and forming land - bridges between land - masses for animals to migrate.

Ice formed during the Ice Age is being given back to the sea in our naturally warmer geological period, and man is making matters worse by pouring so much carbon dioxide into the atmosphere that more heat is being trapped within it.

It was formed as a limestone cave system during the last ice age when sea levels were much lower.

The park covers 140 km ², of which 16 km ² is granite islands, formed by upwellings of hot magma during the Tertiary - Cretaceous period some 65 million years ago, then later smoothed by glacial ice and wave action of the sea.

Like other sea - holes or «vertical caves,» the Great Blue Hole in Belize's Lighthouse Reef actually formed on dry land, during a past ice age when the sea level was a lot lower than it is today.

... Sea ice, especially during the sunlit seasons, serves as habitat for an ice - specific food web (sympagic foodweb)[1] that includes bacteria, viruses, unicellular algae, which often form chains and filaments, and invertebrates sufficiently small to traverse the brine network.

Sea ice is critical for polar marine ecosystems in at least two important ways: (1) it provides a habitat for photosynthetic algae and nursery ground for invertebrates and fish during times when the water column does not support phytoplankton growth; and (2) as the ice melts, releasing organisms into the surface water [3], a shallow mixed layer forms which fosters large ice - edge blooms important to the overall productivity of polar seas.

Most of the first - year ice formed in the Beaufort and eastern Chukchi Sea during winter has now been removed by melt.

They generally form during the winter, blocking the transport of sea ice from the Lincoln Sea into Baffin Bsea ice from the Lincoln Sea into Baffin BSea into Baffin Bay.

In contrast, sea ice in 2008 (Fig. 4) has a slightly greater extent than 2007 and not all first - year sea ice that formed in winter 2008 melted out during the summer, providing a basis for forming second - year sea ice during winter 2009 and beyond.

If northern Siberia does not heat up, then the necessary depressions may not form in the northern part of the Urals and the coming melting season could look more like 2007 and 2012 with significant high pressure areas over the sea ice during summer months.

Sea level has risen as the vast continental glaciers formed during the last ice age melted.

Sea ice in Antarctica is quite different as it is ice which forms in salt water primarily during the winter months.

As your references point out, during summer, sea - ice melts and ponds form, thus the sea - ice albedo declines sharply.

Ice bridges are static structures composed of tightly packed sea ice that can form during the course of its flow through a narrow straIce bridges are static structures composed of tightly packed sea ice that can form during the course of its flow through a narrow straice that can form during the course of its flow through a narrow strait.