Sentences with phrase «shelf waters»
"Shelf waters" refers to the shallow areas of the ocean that are close to the coastline. These areas are like a shelf because they are relatively flat and extend out from the land, and the water is not very deep. Full definition
White sharks of all ages and sizes are present in continental shelf waters year - round, but their distribution varies by season.
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Temperature and salinity of shelf waters fluctuate seasonally (from 10 to 29 °C and from 33.0 to 36.5 psu), whereas warm and salty surface Gulf Stream waters are much less variable.
This project will use an observational program to simultaneously identify the mechanisms responsible for water mass modification within the Terra Nova Bay polynya and document all aspects of dense shelf water formation within an Antarctic polynya system.
The scientists also identified carbon fluxes where further research would be needed to reduce uncertainties, including the exchange of carbon between shelf waters and the open ocean.
Already — not decades from now as scientists previously expected — corrosive shelf water off the continental shelf of the West Coast is eating away at the shells of tiny free - swimming marine snails, called pteropods, that swim near the ocean's surface and provide food for a variety of fishes, including salmon, mackerel, and herring.
Vertical diffusion is slower, but happens over most of the oceans, while downward advection of anomalously warm water happens in fewer spots but is faster (the North Atlantic, «Mode» water formation regions north of the Antarctic Circumpolar Current, shelf water formation in Antarctica).
[14] It is composed of the densest water in the World Ocean and has two main sources: Arctic shelf water and Greenland Sea Deep Water.
In parts of the polar bears» range, the lengthening period of sea ice retreat from shelf waters — caused by increasing temperatures — can reduce their opportunities to hunt seals, leading to declines in bear nutritional condition.
Beach lovers: Soft sandy beaches with gently shelving waters are the ideal spot to relax of take a refreshing dip in the sea.
Although this allowed humans to enter North America, it relegated walrus populations to narrower shelf waters as far south as central California.
This event decreased sea ice production and reduced the salinity of the dense shelf waters thought to be the source of the Australian - Antarctic Basin bottom waters.
While anthropogenic warming should accelerate the thawing of offshore permafrost via warming of Arctic Ocean shelf waters, this impact should be considered additive to a broader thawing trend that has been underway for thousands of years.
In the ocean the effect of the polynya is the massive production of salty, freezing point shelf water that is the prime ingredient in the formation of the globally important Antarctic Bottom Water and associated ventilation of the world ocean.
How do the water column profile and dense salty shelf water (HSSW) characteristics evolve on time scales ranging from sub-synoptic to the annual cycle?
``... The salinity and density of dense shelf water declined abruptly after calving, consistent with a reduction of sea ice formation in the polynya.
As you may know, world - wide the vast majority of walruses reside over the continental shelf waters between the U.S. and Russian Far East.
«These underwater mountains sit right at the interface between the shallow shelf waters and deeper ocean abyss, about 30 miles offshore.»
They become most abundant in shallow, shelf waters off southern California from November to April and then off Oregon and Washington in May.
In 2009 the agency settled on a design that included not only Delaney's cabled network at Juan de Fuca but also a wireless, satellite - linked network off Cape Cod to study the transition between shallow continental - shelf waters and the deep ocean, as well as sensor - packed moorings at four sites in high - latitude waters that are rich with aquatic life.
But continental shelf waters are deeper than tidal wetlands and estuaries, so there is more time for bacteria and other animals to consume this dead matter before it can get buried.»
Carbon cycling within coastal waters is complex and the team sought to identify how carbon flows into and out of tidal wetlands, shelf waters and estuaries.
The study subdivided coastal waters into tidal wetlands, estuaries and continental shelf waters.
The only place where melting methane hydrates appear to be releasing methane to the atmosphere is on the Siberian margin, where hydrates associated with the permafrost relict from the last glaciation release methane to the shallow water column of the shelf waters.
During autumn, Friedlaender et al. [12], [13] quantified the meso - scale distribution pattern of whales in relation to krill biomass and patch structure in the continental shelf waters of the Antarctic Peninsula.
Parents with small children can rest assured that their children are safe in the shallow, gently - shelving waters of the beaches around Victoria and Gozo, and there's great facilities for water sports of all varieties including fishing, kayaking, windsurfing and paddle - boarding.
U.S. Secretary of the Interior Ryan Zinke announced the National Outer Continental Shelf Oil and Gas Leasing Program for 2019 - 2024 yesterday, which includes a proposal to open up more than 90 percent of the country's continental shelf waters to future exploitation by oil and gas companies.
The Pacific walrus is found throughout the continental shelf waters of the Bering and Chukchi seas and occasionally in the East Siberian Sea and Beaufort Sea.
The increased freshwater input is causing the shelf waters to freshen there and thus get lighter, perhaps inhibiting sinking.