Sentences with phrase «of changes in ocean temperatures»

Of equal importance is what will happen as the ocean warms, and what kind of changes in ocean temperatures at the surface and at depth can be expected?
It is unprecedented in its scale and scope, and examines evidence of changes in ocean temperature and ecosystems, rising acidification and methane levels, and massive shrinkage of the polar ice caps.

Not exact matches

The new report «Lights Out for the Reef», written by University of Queensland coral reef biologist Selina Ward, noted that reefs were vulnerable to several different effects of climate change; including rising sea temperatures and increased carbon dioxide in the ocean, which causes acidification.
Trump's stance on the environment contradicts thousands of scientists and decades of research, which has linked many observable changes in climate, including rising air and ocean temperatures, shrinking glaciers, and widespread melting of snow and ice, to an increase in greenhouse gas emissions from human activities.
That wind - driven circulation change leads to cooler ocean temperatures on the surface of the eastern Pacific, and more heat being mixed in and stored in the western Pacific down to about 300 meters (984 feet) deep, said England.
That may be particularly important in a time of rapid change due to rising ocean temperatures and increasing human activity on the high seas.
Findings published today in the journal Nature Climate Change reveal that water temperature has a direct impact on maintaining the delicate plankton ecosystem of our oceans.
One of the subtle changes visible in the new data - set is how the Amazon's greenness corresponds to one of the long - known causes of rainfall or drought to the Amazon basin: changes in sea surface temperatures in the eastern Pacific Ocean, called the El Nino Southern Oscillation.
Looking at shifts in Manley's winter temperatures from year to year, he says, gives a good reading of important natural cycles that influence climate, such as changes in ocean circulation like the North Atlantic Oscillation.
«We found that in North Pakistan and the Eastern Ghats, a mountain range close to the Indian Ocean, changes of temperatures and humidity mark a critical transition to monsoon,» explains Stolbova.
Several studies linked this to changes in sea surface temperatures in the western Pacific and Indian Oceans, but it was not clear if this was part of a long - term trend.
«Strong El Niño events cause large changes in Antarctic ice shelves: Oscillations of water temperature in the tropical Pacific Ocean can induce rapid melting of Antarctic ice shelves.»
The relative influence of increasing ocean temperatures and changes in shear is a key area of current research and there is not a definitive understanding currently.
The resulting outburst of methane produced effects similar to those predicted by current models of global climate change: a sudden, extreme rise in temperatures, combined with acidification of the oceans.
New research published today in Nature Geoscience by Richard Zeebe, professor at the University of Hawai'i — Mānoa School of Ocean and Earth Science and Technology (SOEST), and colleagues looks at changes of Earth's temperature and atmospheric carbon dioxide (CO2) since the end of the age of the dinosaurs.
The other ocean temperature study, also published Sunday in Climate Nature Change, used Argo and other data to tentatively conclude that all of the ocean warming from 2005 to 2013 had occurred above depths of 6,500 feet.
Changing temperatures and ocean acidification, together with rising sea level and shifts in ocean productivity, will keep marine ecosystems in a state of continuous change for 100,000 years.
Tamsin Edwards, a climatologist at the Open University in the UK, says it is too early to tell, since changes in the PDO can only be detected through statistical analysis of large amounts of data on ocean surface temperatures.
The plan is to drop sensors into the surrounding ocean to measure water temperatures, then skim the ice for signs of changes in surface height.
Climate change and increasing ocean temperatures are the main reasons why the pacific oyster suddenly thrives in areas where it used to be too cold; The oyster is picky about temperature in most of its life stages.
So he set out sensors designed to track water flow along the ocean floor, changes in temperature, and the movement of the crust.
Jessup wrote a computer program that uses images from standard infrared cameras to analyze temperature changes in the top layer of the oceans» waters caused by breaking waves.
But within these long periods there have been abrupt climate changes, sometimes happening in the space of just a few decades, with variations of up to 10ºC in the average temperature in the polar regions caused by changes in the Atlantic ocean circulation.
«Many impacts respond directly to changes in global temperature, regardless of the sensitivity of the planet to human emissions of CO2 and other greenhouse gases,» says geoscientist Katharine Hayhoe of Texas Tech University in Lubbock, a co-author of the report, excluding effects such as ocean acidification and CO2 as a fertilizer for plants.
The strength of the byssal threads varies seasonally, Carrington said, with mussels creating significantly weaker threads in late summer when the oceans reach higher temperatures and high levels of acidity — both of which are also on the rise due to climate change.
Rising ocean water temperatures and increasing levels of acidity — two symptoms of climate change — are imperiling sea creatures in unexpected ways: mussels are having trouble clinging to rocks, and the red rock shrimp's camouflage is being thwarted, according to presenters at the AAAS Pacific Division annual meeting at the University of San Diego in June.
Starting in the 3rd year of his 5 - year degree at the University of Vigo, Ourense, in Spain, Añel spent 4 hours a week in Luis Gimeno's Group of Atmospheric and Ocean Physics at the university's Department of Applied Physics, computing climate change quantifiers using simple parameters such as precipitation and air temperature.
Changes to the transport of heat by the Earth's atmosphere and oceans to the poles have also been suggested as a possible contributor to the steep rise in Arctic temperatures.
The net effect of changes in temperature and ocean acidification on benthic microalgae is non-existent if there are crustaceans in the ecosystem.
Researchers do believe that climate change contributes to more thawing of the ocean floor permafrost in the Arctic because they have measured increases in seafloor temperatures in recent years.
«Our research indicates that as global warming continues, parts of East Antarctica will also be affected by these wind - induced changes in ocean currents and temperatures,» Dr Jourdain said.
With so many instruments on the Yahtse, researchers have a unique opportunity to monitor changes along the length of the glacier and discover how, for example, local changes in ocean temperature and currents relate to movement further up the glacier.
The results suggest that the impact of sea ice seems critical for the Arctic surface temperature changes, but the temperature trend elsewhere seems rather due mainly to changes in ocean surface temperatures and atmospheric variability.
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.
Among the implications of the study are that ocean temperatures in this area may be more sensitive to changes in greenhouse gas levels than previously thought and that scientists should be factoring entrainment into their models for predicting future climate change.
«By prescribing the effects of human - made climate change and observed global ocean temperatures, our model can reproduce the observed shifts in weather patterns and wildfire occurrences.»
Predicting the impact of climate change on ecological communities is tricky, but predicting the impact of El Niño, the cyclical warming in the Pacific Ocean that affects temperature and rainfall around the globe, is even trickier.
The goal of the study, she said, was to help guide conservation efforts in advance of the expected rise in ocean temperature and acidity by the end of this century, as forecast by the Intergovernmental Panel on Climate Change (IPCC).
In their paper, Rivest and co-authors Steeve Comeau and Christopher Cornwall of the University of Western Australia reviewed almost 100 studies of how predicted changes in ocean pH or temperature might affect coral growtIn their paper, Rivest and co-authors Steeve Comeau and Christopher Cornwall of the University of Western Australia reviewed almost 100 studies of how predicted changes in ocean pH or temperature might affect coral growtin ocean pH or temperature might affect coral growth.
«The range of pH and temperature that some organisms experience on a daily basis exceeds the changes we expect to see in the global ocean by the end of the century,» notes Rivest, an assistant professor at VIMS.
Ajay Kalra of the Desert Research Institute in Las Vegas has identified several regions of the Pacific Ocean where changes in sea surface temperature appear to be statistically linked to the Colorado River's streamflow.
They will look for evidence of temperature changes caused by ocean circulation patterns in both the North Atlantic and tropical Pacific Oceans, which drive precipitation in Tibet as well as the Indian monsoons.
As a result, the frigid flow plays a critical role in regulating circulation, temperature, and availability of oxygen and nutrients throughout the world's oceans, and serves as both a barometer for climate change and a factor that can contribute to that change.
So DNA from buried sediments could be used to track the abundance of different species over time, revealing changes in ocean temperature.
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.
The effects of wind changes, which were found to potentially increase temperatures in the Southern Ocean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the ocean warming that's being caused by the heat - trapping effects of greenhouse gOcean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the ocean warming that's being caused by the heat - trapping effects of greenhouse gocean warming that's being caused by the heat - trapping effects of greenhouse gases.
Linsley said the new results were «exciting,» suggesting that the «poorly understood, rapid rise» in surface temperature from 1910 to 1940 was, in part, «related to changes in trade wind strength and heat release from the upper water column» of the Pacific Ocean.
Changes in the temperature of the sea surface in the Indian and Atlantic Oceans are linked to the pattern of rainfall over parts of the surrounding continents.
However, Khazendar and Scheuchl said, researchers need more information on the shape of the bedrock and seafloor beneath the ice, as well as more data on ocean circulation and temperatures, to be able to better project how much ice these glaciers will contribute to the ocean in a changing climate.
The scientists were thus able to reconstruct changes in the vegetation cover of the Atlantic seaboard and in the temperatures of the Atlantic Ocean.
a b c d e f g h i j k l m n o p q r s t u v w x y z