Dominic Michaelis the co-designer of the Energy Island OTEC platform concept, together with Jerome Tomasi have written a paper which compares the costs of using reverse osmosis to make fresh water
from seawater with the cost of doing the same with an open cycle OTEC plant.
The team examined a range of fossils unearthed from limestone rocks in Siberia, which formed millions of years ago
from seawater with high levels of calcium carbonate.
Not exact matches
The Golden State also has more than 800 miles of coastline
with limitless supplies of
seawater from the Pacific Ocean.
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.
There, in a small marine laboratory, stands a clear tube, 6 feet high and 8 inches in diameter, filled
with ordinary
seawater from the mouth of Tampa Bay.
Violent explosions
from the reaction of lava
with cold
seawater threw even greater quantities of ash into the atmosphere, and created vast fields of pumice stones along the shoreline.
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.
Microorganisms living in basaltic sea floor buried beneath sediments derive energy
from inorganic components
from the host rocks that interact
with infiltrating
seawater, which brings dissolved oxygen and other trace nutrients
with it.
O'Donnell and his colleagues took bay mussels
from San Juan Island, in the Puget Sound, and put them in chambers
with seawater at different pH levels.
An increasingly common feature of reefs worldwide, it is brought on by thermal stress resulting
from seawater temperature anomalies associated
with climate change.
In the 1920s the Nobel Prize — winning chemist Fritz Haber dreamed of paying Germany's World War I reparations
with gold sifted
from seawater.
Data
from the study strongly suggest that LUCA lived in the area where ancient
seawater, dense
with positively charged particles called protons, mixed
with warm alkaline vent fluid, which contained few protons.
Observations of reduced DMS concentration
with decreasing
seawater pH
from different mesocosm experiments.
In a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU)
with colleagues
from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners
from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience —
with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in
seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturation).
But at some point during whale history, the ancestors of modern mysticetes replaced teeth
with baleen, fibrous plates that filter out small bits of food
from seawater like a giant sieve.
That fits in beautifully
with the idea that the first life got its energy
from the natural gradient between vent water and
seawater, and so was bound to these vents.
In order to solve this question, the team took samples
from the seabed,
from the boundary layer between the seabed and
seawater, as well as
from different water layers in the tropical oxygen minimum zone during the Expedition M92
with the German research vessel METEOR in January 2013.
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.
[Philip Francis Thomsen et al., Environmental DNA
from Seawater Samples Correlate
with Trawl Catches of Subarctic, Deepwater Fishes]
It suggests making coastal development more burdensome through more stringent building codes, siting requirements, and forcing real estate title holders to fully disclose insurance risks associated
with storm surges or damage
from seawater intrusion.
When the team of geologists
from Stanford University re-created these conditions in a lab to try to duplicate an ultralow - velocity zone, they found that iron — one of the more abundant minerals on Earth and a likely candidate material that might explain the zones — reacted
with the
seawater to create a form of iron peroxide that was saturated
with hydrogen atoms, according to the new research.
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).
Billions of planktonic organisms, too tiny to be seen
with the naked eye, make this valuable service possible: When carbon dioxide
from the atmosphere dissolves in
seawater, various species convert it to organic carbon and other organic components during photosynthesis.
«The other carbon dioxide problem», «the evil twin of global warming», or part of a «deadly trio», together
with increasing temperatures and loss of oxygen: Many names have been coined to describe the problem of ocean acidification — a change in the ocean chemistry that occurs when carbon dioxide (CO2)
from the atmosphere dissolves in
seawater.
The mission to explore Europa, the moon of Jupiter
with twice as much
seawater as Earth, has entered «phase B,» meaning the project now has funding
from Congress.
Sea level rise has two primary components: the expansion in volume of
seawater with increased temperature and the addition of water in ocean basins
from the melting of land - locked ice, including Antarctica and Greenland.
The Uranium
from Seawater program continues to make significant advancements, producing adsorbents
with even higher capacities for grabbing uranium.
Environmental DNA
from Seawater Samples Correlate
with Trawl Catches of Subarctic, Deepwater Fishes.
This mixing model is well suited to quantify fractional contributions (f)
from various sources — in this case, meteoric fresh water and sea ice meltwater mixing
with seawater.
Constraining coral reef metabolism and carbon chemistry dynamics are fundamental for understanding and predicting reef vulnerability to rising coastal CO2 concentrations and decreasing
seawater pH. However, few studies exist along reefs occupying densely inhabited shorelines
with known input
from land - based sources of pollution.
Lawrence Livermore (LLNL) scientists, in collaboration
with researchers at Northeastern University, have developed carbon nanotube pores that can exclude salt
from seawater.
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 mistake many of us make is that the sunscreen will wash off if we go swimming and take that cool shower on the beach, but in reality you are still left
with a small film on your body
from the sunscreen and you need a body wash to take it off, water and
seawater won't just due.
They say the beach is pink in color because sand grains made
from red coral, reflect sunlight when mixed
with seawater.
The island boasts stereotypically beautiful shorelines, ranging
from calm
seawater pools suitable for children to secluded coves
with rocks to dive
from.
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!
For some real relaxation head to the
seawater pool, complete
with a Jacuzzi island
from where you can enjoy incredible views of the Gomera Island.
Tasty Corner — free kids dining, Grecotel value • World Class open air Spa Retreat
with Ayurveda • Private sailing yacht • Personalised & Gold • Two secluded crescent beaches
with service •
Seawater pool
with whirlpool facing the Temple of Poseidon • Elixir Spa Retreat
with Ayurveda treatments
from Indian therapists • Holiday boutiques • Sport facilities including tennis courts & 5 × 5 mini soccer • Private yacht & wide range of excursions (on request)
It's Gudi, Alex and Ash who, for every time I've found myself washed up on the beach, spluttering «I just can't do it» through a mouthful of
seawater, have met me
with loud, overly enthusiastic whistles and cheers
from the beach whenever I manage to avoid nose - diving head - first into a wave.
It looks as though the onboard desalinization systems that take salt out of
seawater to make it drinkable, were taking - in radioactive water
from the ocean for the crew to drink, cook
with and bath - in, before anyone realized there was a massive radiation spill into the ocean.»
:: Environmental News Network Related Links on Desalination As Countries Over-Pump Aquifers, Falling Water Tables Mean Falling Harvests Desalination: Now
with Half the Energy Ottawa Student Could Make Water Desalination 600 - 700 % More Efficient Low Temp Desalination Technology
From New Mexico Water Resources Research Institute South American Mines Pump
Seawater As Rivers Dry Up
(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...»)
just a small example: rain washes CO2
from the air into the sea - > water turns CO2 into carbonic acid - > coral absorbs that compound — > keeps the carbon for itself - > releases the oxygen
from the CO2 molecule, to replenish the
seawater with oxygen.
CO2
from the atmosphere reacts
with seawater forming carbonic acid (H2CO3).
I did say CO2
from the atmosphere reacts
with seawater to form carbonic acid.
The total energy required to melt the ice
from winter to summer
with either ice albedo or
seawater albedo should be relatively independent of 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).
All other environmental variables tested, including the UI (
from April to September only), the PDO, silicate, nitrate and the
seawater temperature at Tatoosh, were not associated
with shell δ13C (Table 2).
The paper mentions combining brines
from ocean desalination plants
with seawater.