Sentences with phrase «tidal currents»

Tidal currents are the flow of water caused by the rising and falling of the tides in oceans, seas, and large lakes. The movement of water creates currents or streams that can be strong and are influenced by the gravitational pull of the moon and sun. Full definition
I suspect that larger tidal currents over shallow water mix ocean heat up to the surface to keep these waters covered by water or dangerously thin ice.
The open wells from the shelves meeting deep waters bring nutrients to the surface and the combination creates strong north and south tidal currents.
We opted to do two drift dives due to the strong incoming tidal current.
The cut itself is about 9m deep and the occasionally strong tidal currents of Ambergris Caye provide a constant stream of food for the waiting filter feeders like the gorgonian sea fans and sponges that adorn the walls of the reef, which rises to the surface on either side sheltering turtles, crabs, morays and hundreds of small reef fish.
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.
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.
«According to archaeologists, the «ruins» are either natural rock formations and result of faulty remote sensing equipment and the «artifacts» recovered are either geofacts or foreign objects introduced to the site by the very strong tidal currents in the Gulf of Cambay.
The model included swell waves which are generated by distant storms, and waves generated more locally, and the combination of these interacting with tidal currents.
Tidal currents funnel a steady supply of food to filter feeders such as gorgonians, sea - fans, sponges, schools of grunts and mutton snappers.
Practical use of tidal energy is highly anticipated, because tidal currents are widely distributed worldwide, are largely unaffected by weather and climate, and are capable of producing a stable supply of electricity.
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.
Tides and tidal currents help mix cold arctic waters with warmer waters in the tropics.
Makinson, K., Modeling tidal current profiles and vertical mixing beneath Filchner - Ronne Ice Shelf, Antarctica, Journal of Physical Oceanography, in press.
«Under the ice shelves there are significant tidal currents and the high southerly latitudes pose difficulties for the AUV's underwater navigation.
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.
The winds and tidal currents for the day will determine not only whether we pass through Blackney or Weynton Passage and into Blackfish Sound but also what time we must do so, but either direction provides access to spectacular scenery and great opportunities for Humpback, Orca and sea lion activity.
Alleppey has its own long stretch of sands, but boisterous waves and strong tidal currents mean that it is unsuitable for swimming.
Day 2: Board a float plane or charter boat to LeConte Bay kayak basecamp with its constantly changing view of countless icebergs and smaller bergy bits that rapidly move in and out of the bay on the powerful tidal currents.
Strong tidal currents nourish this chain of life.
Discovery Passage is an angler's dream, thanks to a wealth of eddies, backwaters, islands and inlet tidal currents where salmon naturally gather.
Shifting tidal currents in this part of the Andaman Sea create upwellings of plankton, providing a feeding ground for small to large.
Pristine waters and warm temperatures ensure that winter - grade wetsuits are never needed, and unique tidal currents and weather patterns deliver surfing conditions all year - round.
Deep within Talbot Bay, this natural wonder is caused by intense tidal currents that get squeezed into the natural coastal gorges.
In 2006, city officials announced that they wanted to build turbines under the Golden Gate bridge to capture energy from tidal currents.
Global models of the tide height and depth - averaged tidal currents are based on the well - understood physics of gravitational forcing by the Moon and the Sun, and the equations of motion for the ocean.
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?
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.
Tidal currents funnel a steady supply of food to filter feeders such as gorgonians, seafans, sponges, schools of grunts and mutton snappers.
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.
Swimmers, beware of tidal currents in the deeper channel.
To reach the lighthouse we had to cross Christie Passage, a narrow waterway with strong tidal currents.
The waters beneath the Second Narrows bridge in Vancouver's harbour, because of their relative shallowness and strong tidal currents, flowing through a narrow passage that includes the obstacle of the bridge, pose special navigational challenge according to safety experts.
There is the pleasant cunning of making the wind take us where we want to go, and there are charts to read, with their soundings and buoys and markers, and the tide tables, and the tidal current tables, and the tidal current charts, and knots and splices to learn.
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.
The displaced residents said the strong tidal current has been an annual ritual affecting the community.
Although the vehicle is returning to the spot it left earlier in the day, strong tidal currents are flowing now, and even with his thrusters at full power, Lee struggles to hold the ROV in place.
The data produced helps us to not only see the ruins, but also understand more about how they interact with the tidal currents and sea bed.»
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.
«On continental shelves such as the southern North Sea, where shifting sands and gravels are stirred up by strong tidal currents, even trawling more than once a year may be beneficial for some fish stocks,» he says.
The Strathclyde researchers have devised a model of north - east Scottish coastal waters which simulates waves and the effect upon them of tidal currents.
Interactions between these different wave systems, and between the waves and the tidal current were found to add or reduce the wave height at the coast by up to 2m.
For centuries, tidal currents had made ocean travel particularly difficult and risky for the ships that were then available, and as such there had been very little, if any, maritime...
During the summer months, a lifeguard supervises the beach, which is especially important because of the strong tidal currents in the estuary.
The Channel itself is about 30 ft (9 meters) deep, with occasionally strong tidal currents.
This site is just outside the Hol Chan Marine Park Channel and due to tidal current, we keep meeting schools of spotted eagle rays.
The tidal currents are one of the factors that contribute to the diversity and quantity of marine wildlife in the area.

Phrases with «tidal currents»

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