Sentences with phrase «from seawater by»

Within five years this team has developed new adsorbents that reduce the cost of extracting uranium from seawater by three to four times.

Not exact matches

By contrast, fusion would produce no waste, just inert helium, and its fuel can be extracted from seawater.

While lithium isn't particularly rare, it's still harder to come by than sodium, which can be extracted from seawater.

This makes me happy: By creating a small electrical field that removes salts from seawater, chemists have introduced a new method for the desalination of seawater that consumes less energy and is dramatically simpler than conventional techniques.

We collect seawater from the Atlantic Ocean bucket by bucket, by hand, year - round.

Callahan, a naval architect and experienced sailor, survived by catching fish with a makeshift spear and drinking from his raft's solar stills — inflatable plastic tents that captured one pint of evaporated freshwater from seawater each day.

Results from Lake Ryuuoo, a small lake on an island in the Bungo Channel, show a surprising sand layer washed into Lake Ryuuoo by seawater rushing over a 13 - foot - high barrier beach.

It's the smell of bromophenols synthesized by algae from the bromine in seawater.

Charlie's research told him that during El Niño weather cycles, the surface seawaters in the Great Barrier Reef lagoon, already heated to unusually high levels by greenhouse gas — induced warming, were being pulsed from a mass of ocean water known as the Western Pacific Warm Pool onto the reef's delicate living corals.

Biologist Eva Egelyng Sigsgaard at the Natural History Museum of Denmark at the University of Copenhagen and her team collected seawater containing skin cells — along with cells from urine and feces — naturally shed by the whale sharks and other animals.

A Cologne working group involving Prof. Carsten Münker and Dr. Elis Hoffmann and their student Sebastian Viehmann (working with Prof. Michael Bau from the Jacobs University Bremen) have managed for the first time to determine the isotope composition of the rare trace elements Hafnium and Neodymium in 2.7 - billion - year - old seawater by using high purity chemical sediments from Temagami Banded Iron Formation (Canada) as an archive.

It's possible to produce hydrogen to power fuel cells by extracting the gas from seawater, but the electricity required to do it makes the process costly.

«If in the Neoarchean period 97 % of the Earth's surface had been, as estimated from computer models, covered by water, these geochemical signals would not have been found for Neoarchean seawater,» adds Dr. Hoffmann.

An increasingly common feature of reefs worldwide, it is brought on by thermal stress resulting from seawater temperature anomalies associated with climate change.

The models reveal a «hydrothermal siphon» driven by heat loss from deep in the Earth and the flow of cold seawater down into the crust and of warmed water up out of the crust.

The seawater is heated by the magma; the hot water rises again, leaches metals and other elements from the ground and is released as a black colored solution.

Despite their importance, corals face a range of grave risks today, from bleaching triggered by increasing seawater temperatures, to sediment loads caused by terrestrial erosion from land development, to predation by crown - of - thorns starfish.

As atmospheric CO2 levels increase from burning fossil fuels, this carbon dioxide is soaked up by seawater and makes the oceans more acidic.

By employing a technique they developed that involves collecting methane from roughly ten thousand gallons of seawater per sample, they made a surprising discovery: ancient - sourced methane is indeed being released into the ocean; but very little survives to be emitted to the atmosphere, even at surprisingly shallow depths.

More than 70 percent of all volcanic activity on Earth occurs on the seafloor, but details of these events are largely hidden from view by seawater.

Gregoire created the panel earlier this year to examine the implications of dropping pH levels in seawater, a trend caused by the ocean's absorption of carbon dioxide from the atmosphere.

And it had a large set of teeth with no evidence of the comb - like fringes used by other baleen whales to filter their food from seawater.

0.4 Projected drop in seawater pH, from 8.2 to 7.8, by the end of the century if present trends hold, according to a 2009 report from the National Oceanic and Atmospheric Administration.

They are called polynyas, formations that derive their name from the Russian word for «hole in the ice,» and are typically an expanse of open seawater along the coast that is enclosed by floating sea ice and the continental shelf.

We could pump cooling sulphur into the atmosphere to disperse incoming sunlight, or generate reflective clouds by spraying seawater heavenwards from special ships.

By Year 1.1 billion, deep - sea hematite - bearing rock found in the Marble Bar chert formation of northwestern Australia indicates that iron - rich water gushed from volcanically heated seafloor vents were able to mix with cooler oxygen - rich seawater (Ohmoto et al, Nature Geoscience, March 15, 2009; PSU press release, and in EurkaAlert; and Sid Perkins, ScienceNews, April 11, 2009).

Rising seawater temperatures and increased nutrient concentrations could lead to a decline of the bladder wrack Fucus vesiculosus in the Baltic Sea in the future, according to experiments conducted by marine scientists from Kiel and Rostock.

About BIOACID: Since 2009, more than 250 BIOACID scientists from 20 German research institutes have investigated how different marine organisms respond to ocean acidification and increasing carbon dioxide concentrations in seawater, how their performance is affected during their various life stages, how these reactions impact marine food webs and elemental cycles and whether they can be mitigated by evolutionary adaptation.

Chef April Bloomfield tags along with Jacobsen Salt founder Ben Jacobsen in Oregon to discover the process by which salt is extracted from actual seawater.

Sāmudra lavaṇa is unrefined sea salt, prepared by evaporating off the moisture from seawater.

It's hand - harvested from seawater and then dried by the sun and wind, retaining the ocean's moisture and vast array of trace minerals.

On December 6, a short drive from the canyons of high - rises making up the city - state's turbocapitalist business district, elites and journalists assembled at the Souk Madinat — a beachside network of malls, restaurants, and luxury hotels connected by artificial seawater canals — for the opening night of the 14th Dubai International Film Festival.

The salts are produced traditionally by the local people using primitive tools from taking the seawater, sand leveling tool, water filtration equipments and salt drying equipments.

From the lighthouse to the seawater spa, maritime legends and virtues forge the identity of Côte Ouest Hôtel Thalasso & Spa Les Sables D'Olonne MGallery by Sofitel.

Tropical GREEN hide - away Island Paradise - the ultimate refuge and relaxation for Holiday seekers & Honeymooners, who are looking for something Special!Guests are picked up from the Airport by private limousine or Helicopter, and taken to Badian Island, located in picturesque Badian Bay, just off the Southwest Coast of Cebu.Close to the white sandy beach, 42 generously large Suites, elegantly furnished to meet luxurious modern comfort, are built in 8 ha of lush, landscaped gardens.All rooms have sea and mountain views, and private balcony.The resort's latest attraction are the Thalasso POOL VILLAS with its own, private, ionized seawater pool and a spectacular view a favorite among the guests!

Channelkeeper also collected kelp near Rincon as part of «Kelp Watch» an initiative coordinated by researchers at Cal State Long Beach and UC Berkeley to assess the extent of possible radiation contamination (primarily Cesium - 137 & -134) in kelp forests along the West Coast from seawater arriving from Fukushima.

The sacred tree grows on the white coral sands of the South Pacific Islands where its roots draw sustenance from mineral and nutrient - rich seawater, and is scientifically proven to stimulate the healing process by promoting growth of new skin cells.

Nusa Lembongan is a very tiny island (only 4 km by 1.5 km) surrounded by reefs and crystal clear seawater located to the east of mainland Bali and separated from the mainland by Badung Straight.

The study also revealed that the ice melting that was caused by the storm was the result of heat coming from the stirring of seawater layers below the ice.

(A point made with a vivid irony by Arthur C. Clarke at the end of one of his «Tales From The White Hart» (paraphrased): «It's quite probable that even now, molecules of the late professor are passing through the very seawater filter that he devised...»)

The sinking is mainly driven by the saltiness of the water, which is affected by evaporation of fresh water from the surface or, particularly in the Arctic, freezing seawater which leaves salt behind in the water beneath the ice.

This is the drop in seawater pH as the oceans absorb an estimated 22 million tons of carbon dioxide from the 80 million tons emitted each day by human activities.

Virtually all carbonates are formed from atmospheric CO2 that has been taken up by seawater or soils.

«Ocean acidification is the term given to the reduction in pH of seawater caused by the absorbtion of carbon dioxide (CO2) from the atmosphere.

Wattenberg: no problem for me, Wattenberg measured the pCO2 of seawater, Beck interpretes the measurements at 0 m depth as being from the atmosphere, while it is from seawater at the surface... The data are grossly reproduced by modern sea cruise investigations.

The open cycle consists of the following steps: (i) flash evaporation of a fraction of the warm seawater by reduction of pressure below the saturation value corresponding to its temperature (ii) expansion of the vapor through a turbine to generate power; (iii) heat transfer to the cold seawater thermal sink resulting in condensation of the working fluid; and (iv) compression of the non-condensable gases (air released from the seawater streams at the low operating pressure) to pressures required to discharge them from the system.

temperature: 1,000 m depth temperature = 5C thermal conductivity of seawater 0.58 W / mK ocean - air interface = 17.000 C 1.441 mm depth temperature = 17.400 C (the warmest spot in the ocean depth though the «few metres» of depth below it is only a miniscule bit colder, all warmed by Sun SWR) this top 1.441 mm depth is the «skin» and «sub-skin» 100m depth temperature certain in range 16.090 C to 17.400 C but virtually certain > 17C because of mixing top ~ 90m temperature gradient of top 1.441 mm of ocean is 277.6 Celsius / metre By conductivity, temperature gradient pushes 161.00 w / m ** 2 up from 1.441 mm depth to ocean - air interface which precisely removes the Sun's 161 w / m ** 2 going into the top few metres depth and leads to no ocean warminby Sun SWR) this top 1.441 mm depth is the «skin» and «sub-skin» 100m depth temperature certain in range 16.090 C to 17.400 C but virtually certain > 17C because of mixing top ~ 90m temperature gradient of top 1.441 mm of ocean is 277.6 Celsius / metre By conductivity, temperature gradient pushes 161.00 w / m ** 2 up from 1.441 mm depth to ocean - air interface which precisely removes the Sun's 161 w / m ** 2 going into the top few metres depth and leads to no ocean warminBy conductivity, temperature gradient pushes 161.00 w / m ** 2 up from 1.441 mm depth to ocean - air interface which precisely removes the Sun's 161 w / m ** 2 going into the top few metres depth and leads to no ocean warming.

The actual pH of seawater is fixed by any two relevant quantities and, as the alkalinity is controlled by the input of HC03 - from weathering and the biogenic output of CaC03 and the Pco, below the thin wind - mixed layer is controlled by oxidation, the pH is determined primarily by biological processes.

Some of these shells are shielded from direct contact with seawater by a special coating that the animal makes (as is the case in mussels).

What was done In a study designed to explore these assumptions, the authors tested the effects of seawater acidification by CO2 addition, leading to reductions of 0.3 and 0.6 pH units, on six - month - old juvenile mussels (Mytilus galloprovincialis), which they obtained from a mussel raft on the Ria de Ares - Betanzos of Northwest Spain, focusing their attention on growth, calcification and mortality.