Sentences with phrase «ocean surface waters with»

Whales fertilize ocean surface waters with key nutrients like phosphorus, which move through the food chain, and eventually, onto land.

Not exact matches

Evaporation from the ocean waters can also lower the density of the air close to the surface to the point that it can not mix with the air layer above it.
«The pore spaces, or tiny holes, in the rock remain filled with these ancient oceans, so when we drill wells today that water is produced to the surface,» Tinker says.
Kadri says the results may help scientists connect interactions between not only surface and deep ocean waters, but also with the atmospheric forces that affect surface waves.
The rising temperatures cause layers of ocean water to stratify so the more oxygen - rich surface waters are less able to mix with oxygen - poor waters from the deeper ocean.
At the top of the eyewall, water condenses; as the resulting drops fall back down to the ocean surface they lose power through friction with the surrounding air.
Real - world data back the claim: Accumulations of calcium carbonate in deep - sea Pacific sediments show that the Pliocene ocean experienced huge shifts at the time, with waters churning all the way from the surface down to about three kilometers deep, as would be expected from a conveyor belt — type circulation.
They compared isotope measurements on the silica skeletons of diatoms, which store environmental signals from the ocean's surface, with isotope signals from radiolarians, which live in deeper water layers.
In these areas, deep ocean waters that are naturally rich in carbon dioxide are upwelling and mixing with surface waters that are absorbing carbon dioxide from the atmosphere.
The Malaspina Expedition, led by the Spanish National Research Council, has demonstrated that there are five large accumulations of plastic debris in the open ocean that match with the five major twists of oceanic surface water circulation.
In his letter on ocean thermal energy conversion (OTEC), Graham Cox suggests it could be used to fertilise surface waters with nutrient - rich deep water to promote plankton growth for carbon capture (1 December, p 31).
A new study has found that turbulent mixing in the deep waters of the Southern Ocean, which has a profound effect on global ocean circulation and climate, varies with the strength of surface eddies — the ocean equivalent of storms in the atmosphere — and possibly also wind spOcean, which has a profound effect on global ocean circulation and climate, varies with the strength of surface eddies — the ocean equivalent of storms in the atmosphere — and possibly also wind spocean circulation and climate, varies with the strength of surface eddies — the ocean equivalent of storms in the atmosphere — and possibly also wind spocean equivalent of storms in the atmosphere — and possibly also wind speeds.
Her real breakthrough is finding the mechanism by which molecules on Europa's surface could unite with water and energy in the lakes, and maybe even in the vast, deeper ocean.
The surface waters of the world's oceans are supersaturated with the greenhouse gas methane, yet most species of microbes that can generate the gas can't survive in oxygen - rich surface waters.
Invasive species are entering the region with or without shipping, says Ted Scambos of the National Snow and Ice Data Center in Colorado; warming of the Arctic Ocean's surface temperatures has already increased mixing with foreign waters and all the microbes they contain.
For example, scientists have found that El Niño and La Niña, the periodic warming and cooling of surface waters in the central and eastern tropical Pacific Ocean, are correlated with a higher probability of wet or dry conditions in different regions around the globe.
This is an important finding because current estimates of biological activity in surface waters of the ocean rely on instruments aboard satellites that measure the color of the sea surface, which changes along with levels of chlorophyll - a, an assessment that will miss blooms of other organisms, such as bacteria.
Prevailing scientific wisdom asserts that the deceleration of circulation diminishes the ocean's ability to absorb anthropogenic CO2 from the atmosphere as surface waters warm and become saturated with CO2.
An international team of researchers analyzed the available data taken from all previous studies of the Southern Ocean, together with satellite images taken of the area, to quantify the amount of iron supplied to the surface waters of the Southern Ocean.
Wendy Panero, associate professor of earth sciences at Ohio State, and doctoral student Jeff Pigott are pursuing a different hypothesis: that Earth was formed with entire oceans of water in its interior, and has been continuously supplying water to the surface via plate tectonics ever since.
In their new study, the ETH researchers in the group headed by Sonia Seneviratne's, professor for land - climate dynamics, take into account the specific climatic properties of land surfaces, where the amount of available water is limited when compared with the ocean.
The study bolsters the idea that Mars once had a warmer climate and active hydrologic cycle, with water evaporating from an ancient ocean, returning to the surface as rainfall and eroding the planet's extensive network of valleys.
But in many instances, the simulations show, even planets starting with rocky cores as little as 1.5 Earth's mass may trap and hold atmospheres containing between 100 and 1000 times the amount of hydrogen found in the water in Earth's oceans — thick, dense envelopes exerting pressures so hellish that life on the planets» surfaces might be almost impossible.
Expanding sea ice would have melted into the North Atlantic Ocean, interfering with the normal mixing between surface and deeper waters.
Earth and Venus are of comparable size and mass, yet the surface of Venus bakes at 460 degrees Celsius under an ocean of carbon dioxide that bears down with the weight of a kilometer of water.
With higher levels of carbon dioxide and higher average temperatures, the oceans» surface waters warm and sea ice disappears, and the marine world will see increased stratification, intense nutrient trapping in the deep Southern Ocean (also known as the Antarctic Ocean) and nutrition starvation in the other oceans.
It was Olav Hollingsæter, founder of the company OceanTherm AS, who came up with the idea of cooling ocean surface waters as a means of preventing hurricanes.
Venus is the planet most like Earth in terms of its size and gravity, and evidence suggests it once had oceans worth of water which boiled away to steam long ago with surfaces temperatures of around 860 degrees Fahrenheit (460 Centigrade).
The most important bias globally was the modification in measured sea surface temperatures associated with the change from ships throwing a bucket over the side, bringing some ocean water on deck, and putting a thermometer in it, to reading the thermometer in the engine coolant water intake.
Taking turns with his shipmates, Wiens swung bright - yellow ocean bottom seismometers and hydrophones off the fantail, and lowered them gently to the water's surface, as the ship laid out a matrix of instruments for a seismic survey on the trench.
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.
To go to Enceladus, she added, any lander would need to be very clean as liquid water is in contact with the moon's icy surface, so contamination of the subsurface ocean would be a very real possibility.
The research published in Nature Communications found that in the past, when ocean temperatures around Antarctica became more layered - with a warm layer of water below a cold surface layer - ice sheets and glaciers melted much faster than when the cool and warm layers mixed more easily.
In developing countries with no on - site or centralized sanitation facilities, no opportunity exists for any type of treatment, and human wastes go directly into surface waters, including the coastal ocean.
And then, if the ocean surface water was «diluted» with isotopic light melt water, would this not be reflected with a similar drop in the Greenland ice cores, just by a changing isotope signature of the source, instead of a temperature drop?
KAMUELA, Hawaii — With data collected from the mighty W. M. Keck Observatory, California Institute of Technology (Caltech) astronomer Mike Brown — known as the Pluto killer for discovering a Kuiper - belt object that led to the demotion of Pluto from planetary status — and Kevin Hand from the Jet Propulsion Laboratory (JPL) have found the strongest evidence yet that salty water from the vast liquid ocean beneath Europa's frozen exterior actually makes its way to the surface.
A world with an iron core, rocky mantle and enough water on the surface to create liquid water oceans that could support life.
These lakes, that would be located deep in Europa's icy crust, could be communicating with the liquid water ocean below, while providing it with chemical elements from the surface that would be a valuable energy source to any potential life forms.
Distinguishing habitable worlds like Earth (i.e., those with surface water oceans) from greenhouse planets like Venus, or barren worlds like Mars, requires understanding a planet's atmosphere.
The CDR potential and possible environmental side effects are estimated for various COA deployment scenarios, assuming olivine as the alkalinity source in ice ‐ free coastal waters (about 8.6 % of the global ocean's surface area), with dissolution rates being a function of grain size, ambient seawater temperature, and pH. Our results indicate that for a large ‐ enough olivine deployment of small ‐ enough grain sizes (10 µm), atmospheric CO2 could be reduced by more than 800 GtC by the year 2100.
Writing in Earth's Future, an American Geophysical Union journal, the researchers concluded that both hurricane peaks coincided with periods when surface waters of the Atlantic Ocean were hotter than normal.
Even more crustal minerals were formed by plate tectonics with the help of lubricating ocean water, atmospheric oxygen from the successful development of photosynthetic microbes, and land - based lichens (of algae and fungi) and mosses which were followed by deep - rooted plants that hastened the erosion and weathering of surface rocks with the help of biochemical action and the creation of soils as well as new clay minerals.
Watch for them soaring gracefully just above the surface of the ocean and sometimes diving into the waters with a splash.
Pelicans can often be seen in large numbers, soaring gracefully just above the surface of the ocean and sometimes diving into the waters with a splash.
An exhibition of fifty paintings that trace the country's maritime and seaside history, Reflections on Water in American Painting, pays homage to America's oceans, rivers, lakes, and harbors along with the ships that navigated them, the cities that depended on their steady flow, and the artists who found inspiration in the water's dynamic colors and surfWater in American Painting, pays homage to America's oceans, rivers, lakes, and harbors along with the ships that navigated them, the cities that depended on their steady flow, and the artists who found inspiration in the water's dynamic colors and surfwater's dynamic colors and surfaces.
The standard assumption has been that, while heat is transferred rapidly into a relatively thin, well - mixed surface layer of the ocean (averaging about 70 m in depth), the transfer into the deeper waters is so slow that the atmospheric temperature reaches effective equilibrium with the mixed layer in a decade or so.
The ocean removes excess atmos CO2, by dissolving in and reacting with surface waters, acidifying them.
The CO2 concentration of the atmosphere is going up continuously, and so it invades the ocean as it equilibrates with warm surface waters.
And if the surface concentration of carbonate increased by exchange with the atmosphere there's lots of room in the ocean depths to store it before it would cause much difference in the concentration of carbonate in upward moving water.
Now since relative humidity remains roughly constant at the ocean surface and the air's capacity to hold water increases with temperature, relative humidity will actually decrease over land, particularly as one enters the continental interiors.
a b c d e f g h i j k l m n o p q r s t u v w x y z