Sentences with phrase «of upwelled waters»

However the problem with this scenario is the source of upwelled waters along the California Oregon coast can be traced back to the California Undercurrent.

In contrast, the few Amundsen Sea glaciers with grounding points located beyond the reach of upwelled waters, those glaciers have not lost any ice.

To attribute her observed dissolution to anthropogenic CO2, Bednarsek argued recent invasions of anthropogenic CO2 into the surface water had lowered its surface pH to such an extent, mixing no longer counteracted the low pH of upwelled water.

I understamd that the winds that move this mass of upwelling water eastward also create minimal cloud cover, thus exposing the water to high levels of solation on its long journey across the Pacific - over a third of the way around the globe.

Not exact matches

Changes in ocean currents are also lead to upwelling of warm water, which also increases evaporation — and thus snow.

A shift in the wind direction during the 1940s caused renewed upwelling of warm deep water on to the shelf.

A long - standing puzzle in ocean photosynthesis was why phytoplankton failed to grow fast in parts of the Pacific Ocean; after all, the microscopic plants have access to plenty of carbon dioxide thanks to upwelling water.

Scientists thought strong upwelling of colder deep waters spared the region from the warming seen in other parts of the Pacific, she said.

MELT OFF Off the coast of the western Antarctic Peninsula (shown), upwelling of relatively warm, deep water has been linked to the melting of ice shelves, which help buttress the region's glaciers.

The fog is a gift of the Pacific Ocean's California Current where winds create upwellings that bring cold, deep, nutrient - rich waters to the surface.

Understanding this upwelling matters because the deep water carries a lot of heat and carbon.

Even as phytoplankton blooms sequester new carbon, the upwelling of deep, subsurface water currents in the region bring old, once - sequestered carbon back to the surface waters, allowing for exchange with the atmosphere.

Antarctica was also more sensitive to global carbon dioxide levels, Cuffey said, which increased as the global temperature increased because of changing ocean currents that caused upwelling of carbon - dioxide - rich waters from the depths of the ocean.

This ecosystem, which alone provides 5 to 10 % of the world's catches, owes its exceptional productivity to the nutrients provided by upwellings of deep, cold, nutrient - rich water along the coasts.

Scientists say that other factors, including stress caused by a massive upwelling of cold water, toxic blooms of phytoplankton and an infestation of amoebae could be involved.

The waters probed during this study, known as the California Current, are a hot spot of ocean acidification because of coastal upwelling, which brings naturally acidic waters to the surface, where they are made even more acidic by greenhouse gas pollution.

Without the periodic upwelling of cold water associated with La Niña, warm water would cover most of the surface of the Pacific, releasing its heat into an atmosphere already warming because of climate change.

This is not only because harvesting from relatively shallow waters is easier than in the open ocean, but also because fish are much more abundant near the coastal shelf, due to coastal upwelling and the abundance of nutrients available there.

The ocean factors included upwelling of nutrient - rich water and the Pacific Decadal Oscillation, a large - scale marine temperature pattern.

Because the upwelled waters ran along the surface for a longer period of time, nutrients spent more time near the surface of the ocean where phytoplankton could feed on them for longer.

The anemones probably feed on detritus and the upwelling of nutrient - rich water.

As Dr. Mackey cited in the published article Sea Change: UCI oceanographer studies effects of global climate fluctuations on aquatic ecosystems: «They would tell us about upwelling and how the ocean wasn't just this one big, homogenous bathtub, that there were different water masses, and they had different chemical properties that influenced what grew there,» she recalls.

That includes modeling the wind - induced upwelling at the edge of the Antarctic continental shelf, the flow of the water through submarine canyons on the continental shelf, and the water reaching Totten that causes melt and acceleration.

«The upwelling of relatively acidic deep water is a natural process, but these waters will become even more acidic in the future.»

At pH 7.1, which is expected to roughly approximate the pH of water upwelling on the West Coast with ocean acidification, zoeae survival remained low at 21 percent.

There's geological evidence for occasional water upwelling from Europa's subsurface ocean — a process similar to the upwelling of magma from Earth's mantle.

One of the consequences of the high pressure was that there was less upwelling of the water in the ocean.

«Areas of greatest vulnerability will likely be where deep waters, naturally low in pH, meet acidified surface waters,» such as areas of coastal upwelling along the West Coast and in estuary environments such Hood Canal, the new study predicts.

These sites tended to experience intermittent upwelling that supplies nutrients to surface waters, spurring blooms of algae and providing plenty of food for the filter - feeding mussels.

Phytoplankton production is enhanced by strong winds (because they cause upwelling of nutrients from deeper waters) and diminished by weaker winds, and the scientists found evidence that trade winds were weaker then.

When the researchers compared the timing of upwelling ocean water with ice shelf changes, they found a pattern.

Inspired by dynamic shifts in pH due to upwelling — the movement of nutrient - rich water toward the ocean surface — the researchers took urchins from the Santa Barbara Channel and brought them into the lab.

One of the largest and most extensive low - oxygen zones ever recorded off the West Coast prevailed off the Oregon Coast last summer, probably driven by low - oxygen water upwelled from the deep ocean, the report said.

That kept deep, nutrient - rich water from reaching the surface — an upwelling that serves as «a kind of turbo boost to the ecosystem,» Parrish says.

Research shows that humpback diets reflect their surroundings, with the truck - sized whales filter - feeding on vast amounts of krill when cold upwelling waters prevail, but switching to schooling fish such as anchovies when warmer waters take over and the fish grow abundant.

The urchins live on the Pacific coast of North America, where they often experience upwellings of carbon - dioxide - rich water from the deep ocean.

My research indicates that the Siberian peat moss, Arctic tundra, and methal hydrates (frozen methane at the bottom of the ocean) all have an excellent chance of melting and releasing their stored co2.Recent methane concentration figures also hit the news last week, and methane has increased after a long time being steady.The forests of north america are drying out and are very susceptible to massive insect infestations and wildfires, and the massive die offs - 25 % of total forests, have begun.And, the most recent stories on the Amazon forecast that with the change in rainfall patterns one third of the Amazon will dry and turn to grassland, thereby creating a domino cascade effect for the rest of the Amazon.With co2 levels risng faster now that the oceans have reached carrying capacity, the oceans having become also more acidic, and the looming threat of a North Atlanic current shutdown (note the recent terrible news on salinity upwelling levels off Greenland,) and the change in cold water upwellings, leading to far less biomass for the fish to feed upon, all lead to the conclusion we may not have to worry about NASA completing its inventory of near earth objects greater than 140 meters across by 2026 (Recent Benjamin Dean astronomy lecture here in San Francisco).

These oscillations can produce effects that mimic CO2 - induced changes (e.g., altered upwelling regimes of deep nutrient - rich waters with effects on POC flux; Merino and Monreal - Gomez, 2009).

With the removal of the warm surface waters, an upwelling current is created in the east Pacific Ocean, bringing cold water up from deeper levels.

This change reduces the upwelling of cool subsurface water and cuts off the supply of nutrient - rich cold water upwelling from below.

Those winds allow an upwelling of deep, cold water off the northwest coast of South America to move west, piling up on the other side of the ocean.

One explanation (ix) conceived in the 1980s invokes more stratification, less upwelling of carbon and nutrient - rich waters to the surface of the Southern Ocean and increased carbon storage at depth during glacial times.

Once thought to be a periodic phytoplankton bloom, the highly visible occurrence (shown here as wispy areas near the coast) is now known to be the result of periodic hydrogen sulfide gas eruptions from the diatomaceous sediments underlying the highly productive waters of the northern Benguela upwelling zone.

1) «Cold Spot» is mainly driven by Wind - Forcing over the SPG (Subpolar - Gyre), which is deepens the mixed Layer and cause upwelling of colder Water.

Application of this model to time series data reiterates the direct association between low aragonite saturation state and upwelled waters and highlights the extent to which benthic communities on the Northern California shelf are already exposed to aragonite undersaturated waters.

In the North West US along the Pacific Coast the oyster industry has been having a hard time for the last two or three years, partly because of ocean acidification, which is related with the upwelling of deep water.

Occasionally, upwelling events increase the productivity in these ocean deserts: Oceanic eddies transport deep - water containing high concentrations of nitrate, phosphate and silicate, towards the surface.

Overlaying social factors, levels of agricultural runoff, local pollution and upwelling, a natural ocean process that brings more corrosive deep ocean water to the surface, helps tease out regional differences in vulnerability.

The field experiment with the KOSMOS mesocosms off Gran Canary now culminates in the simulation of deep - water upwelling — an event that can boost productivity in these nutrient - starving waters.

These organisms thrive here as they are fed by the upwelling of cold, nutrient - rich water, and are somewhat protected by their distance from the mainland.