Sentences with phrase «very shallow seas»

Kooteninchela deppi lived in very shallow seas, similar to modern coastal environments, off the cost of British Columbia in Canada, which was situated much closer to the equator 500 million years ago.

Not exact matches

But when Nick Pyenson of the Smithsonian Institution in Washington DC modelled Pacific feeding grounds during peak glaciation, he found that very little of the north Pacific was shallow enough for feeding: sea levels were up to 120 metres lower than today and the Bering Sea was a land bridsea levels were up to 120 metres lower than today and the Bering Sea was a land bridSea was a land bridge.

Above the 670, the mantle churned slowly like a very shallow pot of boiling water, delivering heat and rock at mid-ocean ridges to make new crust and cool the interior and accepting cold sinking slabs of old plate at deep - sea trenches.

Exponentially less methane would be able to reach the atmosphere in waters that are thousands of feet deep at the very edge of the shallow seas near continents, which is the area of the ocean where the bulk of methane hydrates are,» Sparrow says.

These European reptiles inhabited warm, shallow seas of the continent, but «they were not as agile in this environment as today's sea turtles, who are able to cover very large distances and cross seas and even oceans,» the expert explains.

The sea is shallow until very far out in this section of the island, and the photo opportunities are magical.

I'm probably more careful than most people in that my shuffles are very exaggerated and if I'm surfing, I'll usually ride by board on my belly for as shallow as possible to avoid stepping on a stingray, sea urchin or sharp reef.

1.15 - Flying out to sea over the coast line, over shallow, murky water, dominated by mud and very fine sand brought to the sea from the Belize River.

At reef breaks and beach breaks, surfers have been seriously injured and even killed because of a violent collision with the sea bed, the water above which can sometimes be very shallow, especially at beach breaks or reef breaks during low tide.

For example, Malta is very famous for it's wrecks, as is the Red Sea where there is a lot of shallow coral reefs, the perfect thing to sink a ship.

There is very shallow strain in between them which is mainly used for sea weed farming.

During low tide, the sea is very calm and shallow — making it great for swimming — however it can get rough at hide tide, so be careful in the sea.

The sea here is very shallow so at low tide you can walk for several kilometres along the sand.

The sea is shallow very far out and calm most of the time, making it perfect for families with young children.

The sea is very shallow for a long way out, making it ideal for snorkelling.

Be aware that on big swells the sea can be very dangerous with strong currents that can pull people out of the shallows.

This is a very shallow reef network with a sandy sea floor at around 14m with the reef rising to a couple of metres below the surface.

A very shallow concept in a sea of muck, aka melted permafrost.

It looks like the sub-sea permafrost is failing due to warmer ocean temperatures and allowing methane to escape; because the Siberian Sea is very shallow the methane isn't oxidized as it travels to the surface.

For example, the argument that follows very substantially from the extent of continental shelf that there is within the Arctic Basin and, therefore, the particular relationship that warming on that relatively shallow sea has on trapped methane - for example, the emergence of methane plumes in that continental shelf, apparently in quite an anomalous way - leading possibly to the idea that there may be either tipping points there or catastrophic feedback mechanisms there, which could then have other effects on things, such as more stabilised caps like the Greenland ice cap and so on.