Sentences with phrase «when sea temperatures»

Extensive snow showers covering wide areas may be mistaken as sea ice when the sea temperatures are cold enough to prevent snow flakes from melting.

To build this archive, scientists first had to examine how Sr / Ca ratios behaved during modern times, when sea temperatures were known.

This can be most noticeable in winter when sea temperatures also stay that little bit warmer than on Tenerife and the more northern islands.

Chris Perry, Professor of Geography in the College of Life and Environmental Sciences, and his team measured changes to 28 reefs across the Chagos Archipelago, the remote British Indian Ocean Territory 300 miles south of the Maldives, that lost 90 per cent of its coral cover during 1998, when sea temperatures rose to unprecedented levels.

Coral bleaching happens when sea temperatures rise, causing the breakdown of the symbiosis between coral and their zooxanthellae (the microscopic plants which gives coral most of its colour), which can be fatal for the coral.

When sea temperatures rise, the algae that give coral its bright colours leave their host, causing it to look white, hence the term «coral bleaching».

It's no surprise to see higher humidity when the sea temperature is warmer.

Also, when sea temperature rises, species that normally inhabit the coral either leave or are forced to leave (we don't know which).

Not exact matches

When released to salt water it floats even longer due to salt water and cool sea temperatures.

If they continue to die off, as they did in 1999 and 2003 when temperatures were 3 to 4 °C warmer than average and summer layers lasted longer than usual, fish and other sea life that depend on them will decline too, the team say.

Around 3 million years ago, when temperatures were just 1 to 2 °C higher than the average of the past couple of millennia before humans began warming the climate, sea level was at least 25 metres higher than present.

In comparable interglacials in the past half million years, when temperatures were less than 1 °C warmer than they are now, sea level was around 5 metres higher.

La Niña, a phenomenon that occurs when sea surface temperatures across the equatorial central and eastern Pacific are below normal, is what made last year's winter so awful for the Midwest and Northeast.

During decades when the sea is cool (associated with blue colors), the prevailing winds are more likely to flow across the Atlantic from North America, keeping western European air temperatures mild.

NOAA's Coral Reef Watch uses satellite observations of sea surface temperatures and modeling to monitor and forecast when water temperatures rise enough to cause bleaching.

Studies of historical records in India suggest that reduced monsoon rainfall in central India has occurred when the sea surface temperatures in specific regions of the Pacific Ocean were warmer than normal.

«When we analyzed IPCC climate model experiments driven with the time - evolution of observed sea surface temperatures, we found much larger rates of tropical widening, in better agreement to the observed rate — particularly in the Northern Hemisphere,» Allen said.

They showed that when these cells experience warmer temperatures and get more nutrients they can double or triple their cell division rates, allowing them to potentially bloom into a large population fairly quickly at sea.

But sea surface temperatures in tropical areas are now warmer during today's La Niña years (when the water is typically cooler) than during El Niño events 40 years ago, says study coauthor Terry Hughes, a coral researcher at James Cook University in Townsville, Australia.

The study found cooler sea temperatures, greater precipitation and stronger upwelling — all indicators of La Niña - like conditions at the study site in Panama — during a period when coral reef accretion stopped in this region around 4,100 years ago.

When we lose the sea ice, we start to change the nature of the temperature gradients, and the rest of the system must respond.

The amount of warming that's already built in the system would bring Earth's temperature close to what it was when the sea level was 13 to 20 feet higher.

Kevin Trenbeth, a climate scientist at the National Center for Atmospheric Research in Boulder, Colo., said the study didn't account for changes in sea surface temperatures, which are the main drivers of changes in the position of the rain belts (as is seen during an El Nino event, when Pacific warming pushes the subtropical jet over the Western U.S. southward).

This has resulted in temperatures an astonishing 20 °C warmer than usual, so sea ice is melting when it should be forming.

The penguins once numbered around 2,000 individuals, but in the early 1980s a strong El Niño — a time when sea surface temperatures in the tropical Pacific are unusually warm — brought their numbers down to less than 500 birds.

When scientists talk about the consequences of climate change, it can mean more than how we human beings will be impacted by higher temperatures, rising seas and serious storms.

Ice melting occurs during the summer when temperatures rise above freezing in some places, depending on how high the ice is above sea level and how close it is to a pole.

When the AMO is in its positive phase and the sea surface temperatures are warmer, the study has shown that the main effect in winter is to promote the negative phase of the NAO which leads to «blocking» episodes over the North Atlantic sector, allowing cold weather systems to exist over the eastern US and Europe.

When river or sea - water is used for power plant cooling, it gets released back into the environment at a higher temperature, a problem known as thermal pollution, which can affect aquatic organisms.

Tokinaga's team found that when the interdecadal rise in sea surface temperatures was included in simulation calculations, the results properly reflected early Arctic conditions.

The CPC officially considers it an event when the sea surface temperatures in a key region of the ocean reach at least 0.5 °C, or about 1 °F, warmer than average.

When sea surface temperatures in that area warms, moisture - bearing winds shift northward, said Katia Fernandes of Columbia University's International Research Institute for Climate and Society.

The first image, based on data from January 1997 when El Nio was still strengthening shows a sea level rise along the Equator in the eastern Pacific Ocean of up to 34 centimeters with the red colors indicating an associated change in sea surface temperature of up to 5.4 degrees C.

These fluctuations correlated with sea temperatures at Laniakea, indicating that sea turtles bask more when waters are cooler.

In green turtles, the lines seem to reflect periods when seas are colder and body temperatures are consequently lower, prompting the turtles to haul out on beaches to warm in the sun.

The new method has already been used to examine climatic records of sea surface temperature at 65,000 points around the world over a period of 28 years and provided scientists with a clear understanding of when and where temperature fluctuations occur.

In permanently installed benthocosms, a research group investigates responses of bottom - dwelling communities of the Baltic and North Sea when exposed to future temperature and carbon dioxide levels.

Second, the 20th century wasn't the only time period when temperature and global sea level changed together.

the low ECS estimates they obtain when using data from AMIP simulations (those where models are driven by observed evolving sea - surface temperature patterns as well evolving forcing) are not news.

The ratio of the different alkenones indicates the sea surface temperature when the algae were alive and also reflects regional temperatures, Tierney said.

When this model is run with a standard, idealised global warming scenario you get the following result for global sea surface temperature changes.

They created a model to determine how temperatures of ocean waters could change shallow reef systems when sea levels rise and climate warms in the future.

When combined with increased ocean stratification due to this enhanced run off [11], sea - surface temperatures are depressed, encouraging sea - ice formation.

That study found seas rose 1.6 meters (5 feet) per century «when the global mean temperature was 2 °C higher than today,» a rather mild version of where we are headed in the second half of this century.

When we begin reading circles in class, I usually start with a very convoluted but short piece like Gabriel García Márquez's «A Very Old Man with Enormous Wings,» which begins: «On the third day of rain they had killed so many crabs inside the house that Pelayo had to cross his drenched courtyard and throw them into the sea, because the newborn child had a temperature all night...»

Cold stunning occurs when autumn cold fronts move through and chill coastal water temperatures more quickly than usual, causing cold - blooded sea turtles to go into hypothermic shock.

The organizations came to the rescue of the stranded sea turtles, a threatened species, off the coast of North Carolina in February when ocean water temperatures dropped below 50 degrees.

The promenade is best visited at the end of afternoon when the temperatures cool down a bit as it offers a nice and tranquil stroll along the river caressed by the Andaman Sea breezes into which the Krabi River («Pak Nam Krabi» — Krabi Estuary) flows.

However, it is best recommended to take any of the Sea of Cortez liveaboards from August to November when the water temperatures are around 27 °C mark and hammerhead sharks also bring joy and excitement to everyone.

With so many daily sunshine hours and such a warm sea temperature, May is a great month to hit the beach, but try and avoid being out in the sun between 11 am and 3 pm, when the sun's rays are most powerful.