Sentences with phrase «tidal currents in»

Shifting tidal currents in this part of the Andaman Sea create upwellings of plankton, providing a feeding ground for small to large.

Caroline Nolan, the aquarium's general manager, says that strong tidal currents in the narrows which connect the lough to the sea stir up nutrients and give the waters a rich marine life.

Not exact matches

Tides and tidal currents help mix cold arctic waters with warmer waters in the tropics.

«The current costs just for diking upgrades for the tidal areas of the river and for adjacent coastal reaches required by 2100 are in range of $ 9 billion,» said Matt Pitcairn, the Manager of Policy and Communications at the Richmond Chamber of Commerce and the report's co-author.

The waves where the bottom shoals suddenly between Chimon and Ram islands (when the tidal current is at maximum strength) look very big from a little boat in the sea.

After the powerful current of the East River — which is actually a tidal channel — damaged the rotors and broke off some of the original fiberglass and steel blades, the company earlier this month whittled its test bed down to two turbines with new aluminum — magnesium blades 16 feet (five meters) in diameter.

The models were not sophisticated enough to cope with the combination of «relatively coarse tidal and current data» and a general inability to predict the movement of oil on the surface in a complex inshore location.

The kite and cable model is designed to facilitate placing tidal turbines in deep water, where the stronger current has the potential for providing greater power but also makes it extremely difficult to plant a turbine in the seabed.

Balazs and his colleagues report in the current issue of the Marine Pollution Bulletin how 300 pellets a day were washing up on Kualoa Beach: «A general review of data for tidal cycles, moon phases, wind speed and direction, and surf conditions failed to identify any consistent correlation with the erratic fluctuations in daily faecal counts.»

A report in the journal Nature cites the discovery of a new planet, WASP - 18b, which challenges assumptions about tidal interactions — it's too close and orbiting too fast not to have collided with its star, according to current knowledge.

What they discovered is a near - perfect system in which krill aggregations situated over the Palm Deep Canyon — a region of nutrient - rich waters that produce a lot of food for the krill — are delivered close to shore by tidal currents and winds.

Makinson, K., Modeling tidal current profiles and vertical mixing beneath Filchner - Ronne Ice Shelf, Antarctica, Journal of Physical Oceanography, in press.

In addition to the database, a complementary report was released that provided an in - depth analysis of the environmental impacts of wave, tidal and current devices, including on wildlife and overall health of the host water bodIn addition to the database, a complementary report was released that provided an in - depth analysis of the environmental impacts of wave, tidal and current devices, including on wildlife and overall health of the host water bodin - depth analysis of the environmental impacts of wave, tidal and current devices, including on wildlife and overall health of the host water body.

Langebaan Lagoon extends in a finger of water away from Saldanha Bay, its 16 kilometres controlled by tidal currents, tailing off into salt marshes and a cluster of salt pans, rich with water bird life.

Join us for a coach tour of the second - largest city in Northern Norway, Bodø, and then see the world's largest tidal current, the legendary Saltstraumen.

Strong tidal currents flow in and out through the cut and are especially strong at mid-water in the center of the channel.

Both of these narrow passages receive tidal currents of up to 6 knots (10km / h) four times a day and hence provide a rich and transient food source for all manner of inter-tidal & sub-tidal creatures, sea birds, seals, eagles, porpoises in addition to the larger mammals.

Incoming tides can also produce a tidal bore along a river or narrow bay as the water flow against the current results in a wave on the surface.

Wave and tidal currents are not a problem, but power boats from local resorts use this passage because it is the only cut in the western limb of the atoll.

Understanding what kind of waves you might expect because of the current tidal state or forecast tide prior to being in the water is often something that is overlooked by new or developing surfers.

In the middle of the passage between Sumba and Flores there are one of the richest currents running through the area and a huge tidal flow.

There are also many times when the tidal currents are weaker and then divers of all abilities can experience almost all of the diving sites in the area.

In British Columbia, tidal fluctuations of up to 17 feet can generate tremendous currents through the narrow channels and straits.

Carl's Ultimate is a sausage shaped reef in a passage swept by tidal currents.

There were an estimated 31 fish eating orca working the tidal currents, and mixed in with them were humpback whales who were also feeding!

Today, I float in the strong tidal currents of Peconic Bay on Long Island, still mesmerized by the fact that everything in the universe is adrift — galaxies, planets, continents, and even detritus that washes up on beaches.

The second hand on the clock runs according to the speed and direction of the current, upon the completion of the tidal change, the second hand moves in the opposite direction.

The concentrated currents — tidal influence is, however, more pronounced here than in the Caribbean — between barrier islands form so - called «Riffbögen» (shoals and subaqueous ridges) at both sides of the channel.

Tidal power technology is in its infancy, and as such its current deployment is very limited.

It is the constant tidal bulge which torques the moon, and a tiny part of that bulge is converted in the ocean to currents which flow past land.

But we recently met a startup called Hydrovolts (formerly Puget Sound Tidal Power, or PSTP) which is taking the tidal turbine technology down a notch to generate electricity from the currents found in rivers, and caTidal Power, or PSTP) which is taking the tidal turbine technology down a notch to generate electricity from the currents found in rivers, and catidal turbine technology down a notch to generate electricity from the currents found in rivers, and canals.

While part of the tidal energy is dissipated on the coasts, another part turns into the circumpolar current and is ultimitely dissipated on the ocean floor, and that current could be reduced or eliminated if the Strait of Magellan froze deep, reducing the rate of deceleration and allowing the core to catch up a little (in its deceleration).

Incoming tides can also produce a tidal bore along a river or narrow bay as the water flow against the current results in a wave on the surface.

Perhaps, as May says, overturning «the current moratorium on oil tanker traffic on the B.C. coastline», and allowing huge Chinese tankers to use the «300 km of perilous navigation in highly energetic tidal conditions is a bad choice».

In Nova Scotia, three tidal energy companies have been selected as candidates to test their turbines in the Bay of Fundy — Underwater Electric Kite, OpenHydro Group and Clean CurrenIn Nova Scotia, three tidal energy companies have been selected as candidates to test their turbines in the Bay of Fundy — Underwater Electric Kite, OpenHydro Group and Clean Currenin the Bay of Fundy — Underwater Electric Kite, OpenHydro Group and Clean Current.

Dabiri knew that in terms of forces that drive the mixing of oceans, wind, and tidal currents are thought to play the largest role.

Ranging from small - scale turbine units on the sea floor to large - scale turbines on vertical towers or suspended from boats, tidal current exploitation technology is still very much in the infant stage of development.

Tidal energy is a global, large resource that can be exploited through tidal barrages, which take advantage of the ebb - and - flow of the tides to release water through turbines, and exploitation of tidal currents, where there are many technologies still in developTidal energy is a global, large resource that can be exploited through tidal barrages, which take advantage of the ebb - and - flow of the tides to release water through turbines, and exploitation of tidal currents, where there are many technologies still in developtidal barrages, which take advantage of the ebb - and - flow of the tides to release water through turbines, and exploitation of tidal currents, where there are many technologies still in developtidal currents, where there are many technologies still in development.

These cause interesting, potentially stabilizing, feedbacks in models: if an ice shelf thins or retreats as the ocean or atmosphere warms, tidal currents can weaken as water depth increases, leading to lower melt rates.

Tidal variability in more complex regional models that include sea ice, ice shelves, and ocean currents that vary with depth, is obtained by using global models to set tides at the regional model's open boundaries.

Days later Siemens AG (SIE) announced it's selling Marine Current Turbines Ltd... Already the top 20 wave and tidal - stream businesses have amassed losses of $ 903 million over their lifetimes, according to BNEF data... «This is the capitalist survival - of - the - fittest process working as normal in any new market area,» McCrone said by e-mail... As other renewables such as solar and wind have reduced cost to become commercially viable, waves and tides remain the most expensive sources of power, costing four times more than coal, BNEF estimates... Oceanlinx Ltd. and Wavebob Ltd. both failed in the past 18 months, and Ocean Power Technologies Inc., one of the only listed marine energy businesses, canceled a project inAustralia.

Or what if stronger tides increased glacial flow or calving at the coasts, or tidal currents openned up gaps in sea ice covering by piling sea ice against islands, thus affecting albedo and surface heat fluxes?

Some large commercial - scale tidal - current turbine projects are now being installed, such as Open Hydro's device in an 8MW project in Brittany, and MCT's 1.2 MW Seagen has been feeding power to the Northern Ireland grid for several years.

Wave energy is developing rapidly, but perhaps not quite so rapidly as tidal - current systems - in part since it's harder to develop devices that can extract energy from the chaotic multi-vectored energy pattern that exists at the interface of the sea and the air, than from the smooth laminar tidal flows further down.

Features of the model described here include the following: (1) tripolar grid to resolve the Arctic Ocean without polar filtering, (2) partial bottom step representation of topography to better represent topographically influenced advective and wave processes, (3) more accurate equation of state, (4) three - dimensional flux limited tracer advection to reduce overshoots and undershoots, (5) incorporation of regional climatological variability in shortwave penetration, (6) neutral physics parameterization for representation of the pathways of tracer transport, (7) staggered time stepping for tracer conservation and numerical efficiency, (8) anisotropic horizontal viscosities for representation of equatorial currents, (9) parameterization of exchange with marginal seas, (10) incorporation of a free surface that accommodates a dynamic ice model and wave propagation, (11) transport of water across the ocean free surface to eliminate unphysical «virtual tracer flux» methods, (12) parameterization of tidal mixing on continental shelves.