The thermohaline circulation of the global ocean is controlled in part by freshwater inputs to northern seas that regulate the strength of North Atlantic Deep
Water formation by reducing surface seawater density.
Not exact matches
The EPA fracking study was commissioned in 2010
by the US Congress and stands as the most comprehensive review of the controversial mining technique, which releases natural gas
by injecting a high - pressure mixture of
water, sand, and chemicals into rock
formations deep below ground.
kudalk No, that much is true, but they did consider it a magical place (imagine two rings of islands, one inside the other, otherwise surrounded
by water... likely they could not conceive that this is a natural
formation for volcanoes), and was a center of culture and art.
If he carries on with the
formation that makes half the players look like a duck out of
water, carries on with bad team selections, absurd substitutions, refusing to pay the price teams want for players when he can, putting players out of position — we will be out of league winning contention
by November.
Warm Atlantic
waters, delivered
by an offshoot of the Gulf Stream, have long been known to prevent ice
formation north of Scandinavia, on the western side of the Eurasian basin.
Oil and gas companies developing fields in Pennsylvania, Ohio, Texas, Louisiana, Arkansas and North Dakota rely on a process called hydraulic fracturing, which produces natural gas
by blasting
water and chemicals into energy - rich rock
formations deep underground.
«This study showed that intrinsic colloids formed
by interactions between soluble Cerium (Ce) and carbonates significantly increase the mobility of Ce injected into a carbonate rock fracture,» explains BGU Zuckerberg Institute for
Water Research Director Prof. Noam Weisbrod, Ph.D. «The
formation of intrinsic colloids, if not accounted for, could result in the under prediction of radionuclide migration through fractures in fine - grained carbonate bedrock, such as chalk.»
For canyon
formation driven
by variations in
water level, look to Lake Powell.
In the atmosphere today, particle
formation is dominated almost everywhere
by mechanisms where at least three chemical components must come together: apart from the two basic substances, i.e. sulphuric acid and
water, these are either ammonia or specific organic compounds such as oxidation products from terpenes.
«
By measuring naturally occurring ammonium and iodide in numerous samples from different geological
formations in the Appalachian Basin, including flowback
waters from shale gas wells in the Marcellus and Fayetteville shale
formations, we show that fracking fluids are not much different from conventional oil and gas wastes,» said Jennifer S. Harkness, lead author of the study and a PhD student at Duke's Nicholas School of the Environment.
Measuring Jupiter's
water abundance
by Juno: the link between interior and
formation models.
Underground aquifers can be identified
by aboveground
formations, helping officials bring cleaner
water to people
by pointing out where not to place a landfill or dispose of toxic waste.
Fracking — the process
by which
water, sand, and chemicals are pumped underground to force the oil out of rock
formations — is suspected of contaminating nearby aquifers and wells, as well as causing dozens of small earthquakes near the drill sites.
Siding Spring will be the first comet from the Oort Cloud to be studied up close
by spacecraft, giving scientists an invaluable opportunity to learn more about the materials, including
water and carbon compounds, that existed during the
formation of the solar system 4.6 billion years ago.
In either case, the detection of hydrated salts on these slopes means that
water plays a vital role in the
formation of these streaks,» said Lujendra Ojha of the Georgia Institute of Technology (Georgia Tech) in Atlanta, lead author of a report on these findings published Sept. 28
by Nature Geoscience.
The probable release of
water molecules from the hydration layer of ions caused
by cluster
formation may result in an increased number of degrees of freedom of the system.
It has long been understood that earthquakes can be induced
by impoundment of
water in reservoirs, surface and underground mining, withdrawal of fluids and gas from the subsurface, and injection of fluids into underground
formations.
We have compelling evidence that the rocks are made of sulfate salts, to the tune of 30 to 40 percent
by weight — an enormous amount — including one mineral that requires
water for its
formation and actually contains
water itself.
The IODP team wants to test a leading model for peak ring
formation, in which granite from Earth's depths rebounds after a major impact, like
water struck
by stone, to form a central tower, taller than the crater rim.
However, the
formation of
water (the undesired side reaction) is mostly influenced
by properties of the catalyst surface.
In the North Pacific, overturning circulation driven
by formation of the North Pacific Intermediate
Water is not as strong as in the North Atlantic, but it plays a major role in the region's climate.
But salt caverns, which are created 1,000 to 6,000 feet below ground
by drilling wells in salt
formations, pumping in undersaturated
water to dissolve the salt, then pumping out the resulting brine, are used more extensively and already store hydrogen on a limited scale, Lord said.
After breakfast, we travel to Bryce Canyon National Park, where the haunting rock
formations known as Hoodoos have been shaped
by wind and
water erosion over the eons.
This research not only provides the first clear evidence that microorganisms were directly involved in the deposition of Earth's oldest iron
formations; it also indicates that large populations of oxygen - producing cyanobacteria were at work in the shallow areas of the ancient oceans, while deeper
water still reached
by the light (the photic zone) tended to be populated
by anoxyenic or micro-aerophilic iron - oxidizing bacteria which formed the iron deposits.
Many sandstone
formations show layers of some type, signs they were laid down over time in distinct episodes
by wind or flowing
water.
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).
The failure to provide an physical barrier between the tailings and
water, solids, or other material leaves the tailings vulnerable to extensive penetration of the tailings
by plant roots and animals as well as disturbance
by freeze and thaw and ice
formation and break up impacts.
Sunlight - Driven Hydrogen
Formation by Membrane - Supported Photoelectrochemical
Water Splitting N. Lewis presented
by K. Papadantonakis
The main mode, which is involved in the
formation of ice crystals in mixed - phase clouds (clouds formed
by ice particles and
water droplets), is the immersion freezing mode.
Sunlight - driven hydrogen
formation by membrane - supported photoelectrochemical
water splitting N. Lewis
In the abyssal realm, seafloor habitats under areas of deep -
water formation (e.g., those in the North Atlantic and Southern Oceans) could experience a maximum decline in O2 concentration of 0.03 mL L — 1
by 2100 (i.e., a 0.5 % drop from current levels; Tables 2, 3; Figures 2, 3).
My inclination for science increased during high - school, thanks to spectacular experiments in the chemistry laboratory — so many different thoughts on nature and behaviour of matter: the replacement of a metal
by another in the reaction of iron and copper sulfate, the
formation of a visible solid
by the combination of two liquid solutions with the
formation of a precipitate and the violent reaction of alkali metals with
water were some of the things that impressed me in those days.
Numerous caves, gorges, sinkholes, and other natural
formations have been formed
by the action of acidic
water on limestone deposits.
Contains articles like Pollution of the Ocean
by Plastic and Trash, Pollution of the Ocean
by Sewage, Nutrients, and Chemicals, Pollution Sources: Point and Nonpoint, Population and
Water Resources, Ports and Harbors, Powell, John Wesley, Precipitation and Clouds,
Formation of, Precipitation, Global Distribution of, Pricing,
Water, Prior Appropriation, etc & hellip;
This warming is largely focused on the equatorial and South Atlantic and is driven
by a significant reduction in deep -
water formation from the Southern Ocean.
The volume will only get larger, too: oil and gas producers use at least 7.5 million liters of
water per well to fracture subterranean
formations and release entrapped hydrocarbon fuels, a practice that has grown in the U.S.
by at least 48 percent per year in the last five years, according to the Energy Information Administration.
Now, scientists at Rensselaer are turning these atmospheric assumptions on their heads with findings that prove the conditions on early Earth were simply not conducive to the
formation of this type of atmosphere, but rather to an atmosphere dominated
by the more oxygen - rich compounds found within our current atmosphere — including
water, carbon dioxide, and sulfur dioxide.
Your home's fortune is directly influenced
by the environment — the curvature of the landscape, the
formations of
water and mountain, and the surrounding structures that shelter and protect it.
They need nothing but
water and have no need of outside nutrition until they hit what I call plant puberty which is indicated
by the
formation of a tap root.
Aircraft can have complex effects on climate through contrail
formation and
by emitting
water vapor into the dry stratosphere.
This oversaturation may be caused
by increased excretion of crystals
by the kidney, increased
water reabsorption
by the kidneys, and changes in the urine PH leading to crystal
formation.
Together, they effectively inhibit odor - causing bacteria and reduce plaque biofilm
formation by rendering plaque
water soluable and unable to bind to the tooth.
By drinking plenty of
water your Miniature Schnauzer will flush out excess minerals before
formation begins.
El Arco — if you're not familiar with the resort destination of Los Cabos, Mexico — is the distinctive granite rock
formation at the tip of the Baja Peninsula that everyone who visits can't wait to see up close
by taking a
water taxi or glass - bottom boat ride.
It is a granite rock
formation, shaped
by wind and salt
water.
Only accessible
by tour, this underground river with crystal clear
waters is surrounded on all sides
by crystals and stalactite
formations.
The Hin Ta and Hin Yai rock
formation is also in close proximity to a breathtaking pristine beach, its turquoise blue
water so clear that you can see the marine life beneath
by just looking at it.
Azure
water laps onto powdery beaches framed
by distinctive rock
formations.
Enjoy a quiet morning coffee
by the
water, hike up Mount Maxwell to revel in sweeping views, immerse yourself in Ruckle Provincial Park's trail network, or strike off in a kayak to explore the intricate bays and rugged coastal rock
formations.
These red stone rock
formations of Calitzdorp were formed
by water 125 million years ago.