Fig 3: Healthy phytoplankton; same species with malformed shell plates as a result of damage
by seawater with simulated end of century chemistry.
Not exact matches
Over 200 pristine cayes (islands) are scattered along Belize's coastline — each surrounded
by crystal clear, turquoise
seawater that teems
with brilliant fish, coral, and sponges.
Aequorin gives out blue light when it binds
with calcium in
seawater; this light is absorbed
by GFP, which then emits an intense green glow.
Tide pools (also tidal pools or rock pools) are rocky pools
by the ocean that are filled
with seawater.
It means that bacteria living in, say, seabed mud where no oxygen penetrates, can access oxygen dissolved in the
seawater simply
by holding hands
with their friends.
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.
One hint of weak coupling at a subduction zone is the presence of serpentinite — a mineral formed when
seawater carried down
by a descending plate reacts
with mantle rock.
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.
An increasingly common feature of reefs worldwide, it is brought on
by thermal stress resulting from
seawater temperature anomalies associated
with climate change.
Steel panels
with cerium oxide coatings can be exposed to
seawater for weeks on end without becoming covered
by bacteria, algae, mollusks, or barnacles.
For their investigation, an improved indicator (ΩMg - x) that reflects the saturation state of
seawater with respect to the Mg - content of specific organisms was calculated
by the scientists.
At present, the ocean takes up a quarter of the CO2 - released to the atmosphere
by human industrial activities —
with long - lasting consequences for the chemical composition of
seawater and marine habitats.
The study should prompt a search for pH perception in other fish, according to the researchers, though they worry that looming ocean acidification caused
by greenhouse gases might ultimately stifle fish
with this ability, given that the catfish's acid meter worked best in average
seawater — pH 8.1.
Engines are cooled
with closed - loop freshwater systems that, in turn, are cooled
by adjacent closed loops of
seawater.
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.
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).
This will be achieved
by exposing the coral to
seawater with high calcium concentrations to induce an alteration in gene expression profiles, identified using a DNA microarray analysis.
These videos produced
by Plymouth Marine Laboratory provide information about ocean acidification and raises awareness of the implications associated
with increasing levels of carbon dioxide and changes in
seawater pH levels.
The sinking process was observed and filmed in large transparent cylinders filled
with seawater at OceanLab Bremen
by Dr. Pedro de Jesus Mendes.
About a quarter of the carbon dioxide emitted into the atmosphere is currently taken up
by the oceans, where it reacts
with seawater and forms carbonic acid.
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.
This task can be achieved
by providing proxy - based reconstructions of
seawater pH, carbonate ion concentrations, and pCO2 along
with the response of the marine calcifiers during key intervals of the Late Quaternary.
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.
The government of Bali Province has established Tanjung Benoa Beach as Marine Sport Center because it is blessed
by the beautiful white sandy beach
with calm
seawater.
Xel - Ha Park may remind you of Sea World in some ways, but
with its unique ecosystem created
by a subterranean mix of freshwater and
seawater, most visitors will truly find much to explore here.
Peanut - shaped,
with a brackish
seawater lake towards its western coast, this arid island is ringed
by a good selection of places to stay and is the most affordable of the three islands.
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!
He found that
by passing an electrical current through
seawater, the salty water electolyzes causing calcium carbonate to to combine
with magnesium.
(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...»)
Sea - level rise threatens the long - term viability of island communities
by exacerbating the impacts of coastal storms, flooding infrastructure and ecosystems, and contaminating freshwater supplies
with seawater.
They will be filled
with seawater, which gets thrown against the walls
by centrifugal force, producing a smooth, vertical surface on which the ripples can be generated.
High winds inflict damage
by blowing down objects, creating choppy waves and high seas, and
by inundating coastal areas
with seawater.
As reported
by Don Perovich aboard the Healy, there is widespread refreezing of surface ice meltwater as it runs through, then underneath, the ice and comes into contact
with colder, more saline
seawater, adding on layers of newly formed ice to the bottom of floes during the melt season.
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).
For any temperature in the oceans, there is a steady state level
with the atmosphere, as dictated
by Henry's law for the solubility of CO2 in
seawater.
QUOTE:» For any temperature in the oceans, there is a steady state level
with the atmosphere, as dictated
by Henry's law for the solubility of CO2 in
seawater.
When atmospheric CO2 exchanges across the air — sea interface it reacts
with seawater through a series of four chemical reactions that increase the concentrations of the carbon species: dissolved carbon dioxide (CO2 (aq)-RRB-, carbonic acid (H2CO3) and bicarbonate (HCO3 ---RRB- Hydrogen ions (H +) are produced
by these reactions.
This study specifically considers the role of Antarctic sea ice in shaping deep ocean circulation and stratification,
by driving surface buoyancy loss associated
with brine rejection (when sea ice forms, salt is pushed into the surrounding
seawater, making it denser).
The basalts are thought to contain porous, rubbly layers
with plenty of interstices where CO2 could fit, simply
by displacing
seawater.
pCO2 in water is a mix of temperature, pH, bio life and total carbon (DIC) content... In general measured
by mixing
seawater with air till equilibrium and measuring the CO2 level in the air.
Ken Caldeira: «Melting in Antarctica is strongly influenced
by interactions involving the circulation of
seawater, and its interaction
with glacial ice, sea ice, surface winds and temperature, sunlight and so on.
The Surfrider Foundation filed appeal today of Superior Court Judge Judith F. Hayes» ruling siding
with the San Diego Regional Water Quality Control Board's determination to allow «open ocean» intake to withdraw
seawater for an ocean desalination facility on the Carlsbad coast, the largest ever planned in the United States, and the first to be scrutinized
by the California courts.
It also warned of a fast drop in dissolved oxygen in
seawater —
with predictions of a 1 - 7 per cent decline
by 2100 caused
by the effects of global warming and nutrient runoff into the sea from agricultural fertilizers and sewage.
Accordingly, upwelling of waters acidified
by anthropogenic CO2 has led to a further decrease in surface pH, as reported in the eastern Pacific Ocean along the west coast of North America, from central Canada to northern Mexico, where shoaling of the layer of
seawater undersaturated
with aragonite increased the frequency and magnitude of coastal acidification associated
with upwelling events (Feely et al. 2008, 2010).
Im agree some mitigation is needed as well but the example they are now discussing eg of correcting the SA end of the Murray
by flushing it
with seawater does nothing to address the overallocation of water rights (and excessive extraction of water at the upper end).
In contrast, the revised paradigm of anthropogenic impacts on
seawater pH accommodates the full range of realized and future trends in pH of both open - ocean and coastal ecosystems and provides an improved framework to understand and model the dynamic pH environment of coastal ecosystems,
with observed daily fluctuations often exceeding the range of mean pH values estimated for the open ocean as a consequence of OA during the twenty - first century
by GCMs (Price et al. 2012; Tables 1 and 2).
We have ice melting to water
with no CO2, absorbing 300 ppm
by the time it is
seawater, and you are saying that the release of CO2 is only a miserable 16 ppm per degree??
As a smaller fraction of the excess CO2 goes into the oceans, a larger fraction may remain in the atmosphere, and the chemical changes in
seawater that can affect organisms will continue to grow in lockstep
with the relentless increases in the excess CO2 in the overlying atmosphere caused
by human activities.
But also, over time, most of the carbon dioxide in the atmosphere is absorbed
by the ocean, where it reacts
with seawater to form an acid that is corrosive to coral reefs, shellfish, and other marine life.