Sentences with phrase «hemisphere oceans in»

Scientists fear that the bleaching is now going to be the new norm in the world's oceans, affecting the northern and southern hemisphere oceans in alternation.

Not exact matches

If it is successful in driving Chevron out of the country, Brazil's dreams to be the preeminent oil exporter in the western hemisphere would sink to the bottom of the ocean.

Southern Ocean Lodge, Kangaroo Island - discover Australia's wildlife from a spectacular property in the Southern Hemisphere.

With eight people left in the world, some would have to travel back across the ocean to re-populate the Western Hemisphere.

Telescopes spied water in ice caps at the Red Planet's poles, as well as signs of an ancient ocean covering the northern hemisphere.

Research conducted at The University of Texas at Austin has found that changes in ocean currents in the Atlantic Ocean influence rainfall in the Western Hemisphere, and that these two systems have been linked for thousands of yocean currents in the Atlantic Ocean influence rainfall in the Western Hemisphere, and that these two systems have been linked for thousands of yOcean influence rainfall in the Western Hemisphere, and that these two systems have been linked for thousands of years.

Since these set of ocean currents are known to influence global climate, the researchers were interested to see if it correlated with rainfall in the Western Hemisphere, and how such a correlation could change over time.

The results indicate that in present and past the Atlantic Ocean surface currents correlate with rainfall patterns in the Western Hemisphere.

These large Northern Hemisphere cooling events have previously been linked to a change in the Atlantic Ocean circulation that led to a reduced transport of warm water to the high latitudes in the North.

The Arctic took another 3,000 - 4,000 years to warm this much, primarily because of the fact that the Northern Hemisphere had huge ice sheets to buffer warming, and the fact that changes in ocean currents and Earth's orbital configuration accelerated warming in the south.

«We argue that it was the establishment of the modern deep ocean circulation — the ocean conveyor — about 2.7 million years ago, and not a major change in carbon dioxide concentration in the atmosphere that triggered an expansion of the ice sheets in the northern hemisphere,» says Stella Woodard, lead author and a post-doctoral researcher in the Department of Marine and Coastal Sciences.

The ocean conveyor system, Rutgers scientists believe, changed at the same time as a major expansion in the volume of the glaciers in the northern hemisphere as well as a substantial fall in sea levels.

His quest took him to hundreds of reefs in both hemispheres and across the vast Indian and Pacific oceans.

These tsunamis would have occurred before 3 billion years ago, when scientists believe that the Red Planet's northern hemisphere could have been covered in a large ocean.

The results are extremely important in terms of discerning how changes in the North Atlantic Ocean may impact the climate and the weather across the Northern Hemisphere in the future.

In the Northern Hemisphere mid-latitudes, much of the day - to - day weather variability is determined by the storm track regions located over the Atlantic and Pacific oceans.

A global relief map of Mars shows low elevations in blue, where ancient oceans likely covered much of the northern hemisphere.

Work done in the southern hemisphere's summer, December through January 2012 - 13, included drilling holes in the ice to place a variety of instruments and using radar to map the underside of the ice shelf and the bottom of the ocean.

The four right whale species live in distinct locations: around 300 Atlantic Northern Right Whales live in the North Atlantic; approximately 200 Pacific Northern Right Whales live in the North Pacific; about 7,500 Southern Right Whales are spread throughout the southern part of the Southern Hemisphere; and 8,000 — 9,200 Bowhead Whales are distributed entirely in the Arctic Ocean.

Worse, climate models predict that the areas where marine preserves are most prevalent — coastal regions in the northern hemisphere — will see greater increases in temperature than the oceans as a whole, Halpin said.

Their simulations did not agree with measurements of ocean heat made by scientists since the 1970s, particularly in the Southern Hemisphere.

The extent of the ice in the Arctic has always been very uncertain but, through this work, we show how the sea ice in the Arctic Ocean developed before all the land - based ice masses in the Northern Hemisphere were established,» Jochen Knies explains.

The study, by an international team of scientists led by the University of Cambridge, examined how changes in ocean currents in the Atlantic Ocean were related to climate conditions in the northern hemisphere during the last ice age, by examining data from ice cores and fossilised plankton shocean currents in the Atlantic Ocean were related to climate conditions in the northern hemisphere during the last ice age, by examining data from ice cores and fossilised plankton shOcean were related to climate conditions in the northern hemisphere during the last ice age, by examining data from ice cores and fossilised plankton shells.

The findings also support recommendations for the recognition and inclusion of subpopulations (such as the substocks in Breeding Stock C in the Madagascar / Southwestern Africa region of the Indian Ocean) in management decisions for humpback whales in the Southern Hemisphere.

The results, published in the journal Nature Geoscience, show how climate events in the Northern Hemisphere were tightly coupled with changes in the strength of deep ocean currents in the Atlantic Ocean, and how that may have affected conditions across the gocean currents in the Atlantic Ocean, and how that may have affected conditions across the gOcean, and how that may have affected conditions across the globe.

«After 50 years of international protection, a number of humpback whale populations are beginning to recover in the Southern Hemisphere and other regions,» said Dr. Howard Rosenbaum of WCS's Ocean Giants Program.

The largest discrepancies with existing data were discovered in the Southern Hemisphere, where historical records are as sparse as the shipping traffic that traditionally provided so much of the planet's ocean weather information.

Richard Alley, a Penn State geosciences professor who wasn't involved with the new study, said far more work is needed to understand the effects of wind and ocean changes in the Southern Hemisphere's most frigid stretches.

The parasite spends most of its life growing inside the three - spined stickleback fish, which is about the size of a small sardine and lives in oceans and lakes throughout the Northern Hemisphere.

More likely, the water would have formed an ocean occupying almost half of Mars» northern hemisphere, in some regions reaching depths greater than a mile (1.6 kilometers).

However, for the globe as a whole, surface air temperatures over land have risen at about double the ocean rate after 1979 (more than 0.27 °C per decade vs. 0.13 °C per decade), with the greatest warming during winter (December to February) and spring (March to May) in the Northern Hemisphere.

Other research from NASA suggests that there was once a large ocean in the northern hemisphere of Mars.

The westerlies in the Northern Hemisphere, which increased from the 1960s to the 1990s but which have since returned to about normal as part of NAO and NAM changes, alter the flow from oceans to continents and are a major cause of the observed changes in winter storm tracks and related patterns of precipitation and temperature anomalies, especially over Europe.

For the change in annual mean surface air temperature in the various cases, the model experiments show the familiar pattern documented in the SAR with a maximum warming in the high latitudes of the Northern Hemisphere and a minimum in the Southern Ocean (due to ocean heat uptakOcean (due to ocean heat uptakocean heat uptake)(2)

As to the amount of that water, other evidence has pointed to the existence of a now long - gone ocean in the northern hemisphere.

Consistent with observed changes in surface temperature, there has been an almost worldwide reduction in glacier and small ice cap (not including Antarctica and Greenland) mass and extent in the 20th century; snow cover has decreased in many regions of the Northern Hemisphere; sea ice extents have decreased in the Arctic, particularly in spring and summer (Chapter 4); the oceans are warming; and sea level is rising (Chapter 5).

This is the first time the Symposium will be held in the Southern Hemisphere and will highlight the importance of ocean acidification for the region.

A 1983 study conducted by climate researcher Kevin Trenberth found that the meteorological definition more closely agreed with observable weather in the continental regions of the northern hemisphere, while the astronomical definition only fit reality better over the oceans in the southern hemisphere.

That's because there is less land in the Southern Hemisphere and more oceans.

The warmth was due to the near - record strong El Niño that developed during the Northern Hemisphere spring in the eastern and central equatorial Pacific Ocean and to large regions of record warm and much warmer - than - average sea surface temperatures in parts of every major ocean bOcean and to large regions of record warm and much warmer - than - average sea surface temperatures in parts of every major ocean bocean basin.

The global science community still isn't entirely sure what caused the repeated cycles — there may have been larger oceans in the northern hemisphere that powered a hydrological cycle (evaporation, condensation, precipitation), or shorter cycles could've been caused by volcanic activity or asteroid / comet impacts.

Injection of a large amount of surface freshwater in either hemisphere has a notable impact on heat uptake by the ocean and the internal ocean heat distribution (Fig. 12).

Hall, A., and M. Visbeck, 2002: Synchronous variability in the Southern Hemisphere atmosphere, sea ice and ocean resulting from the annular mode.

NOAA scientists believe high ocean temperatures have been the primary cause of the widespread bleaching seen in the Northern Hemisphere since last year.

Scientists at the National Oceanic and Atmospheric Administration warn that the continued rise in ocean temperatures in the Pacific and Atlantic is causing the massive coral bleaching on reefs in the Northern Hemisphere.

Are you saying that ocean circulation patterns in the Northern Hemisphere do not reach Antarctic regions where ice is more in the water?

The important point the study makes is that the onset of warming in the tropical ocean in the 1830s is earlier than is typically assumed from the instrumental record and from other proxy reconstructions that have focused mainly on Northern Hemisphere land temperatures.

«Melting ice in Greenland causes ocean levels to rise and decreasing Arctic sea ice results in odd jet stream behavior and weird weather in the Northern Hemisphere,» Stofan said.»

Ocean currents differ in the Southern Hemisphere.

NASA scientists announced in 2015 that a liquid ocean had once covered nearly one - fifth of the Red Planet's northern hemisphere — meaning it contained more water than the Earth's own Arctic Oocean had once covered nearly one - fifth of the Red Planet's northern hemisphere — meaning it contained more water than the Earth's own Arctic OceanOcean.