Sentences with phrase «temperature near the core»

Red Giant: Toward the end of a star's life, the temperature near the core rises.

Not exact matches

Temperatures near the Jovian core may exceed 20,000 ° Celsius — more than three times as hot as the surface of the sun.

These reactions occur at a wide spectrum of temperatures, from those prevailing at the chilly polar icecaps to those at work churning near earth's core.

There are several habitats once thought to be inhospitable to even the world's most adaptable organisms — places like the core of Chile's Atacama Desert, the driest region on Earth; ice sheet plateaus in Greenland that are 10,000 feet thick; and near hydrothermal vents on the ocean floor with temperatures above 750 degrees Fahrenheit, to name a few.

By studying sediment cores from the deep Pacific near the Philippines, paleoclimatologist Lowell Stott of the University of Southern California in Los Angeles and his colleagues revealed that the temperatures of the deepest seas rose by around 2 degrees Celsius (3.6 degrees Fahrenheit) at least 1,000 years before sea - surface temperatures.

Temperatures near the Jovian core may exceed 20,000 ° Celsius (36,000 ° Fahrenheit).

As a hurricane, Sandy had a warm core, meaning that temperatures near the storm's center were warmer than the surrounding air, but colder air eventually worked its way into the center of the storm.

Near infrared systems are effective at rejuvenating the skin, help raise core body temperature, improve circulation and can provide pain relief.

For example, a carbohydrate - rich meal in the evening was found to delay the circadian rhythm of core body temperature and reduce nocturnal melatonin secretion.30 This is relevant, since sleep propensity and quality are highest near the declining limb of the core body temperature curve when melatonin levels are increased.31, 32 Although body temperature and melatonin were not recorded in the current study, these effects would be consistent with an increase in SOL on night 5 and the association with nocturnal arousals observed here.

How could it be otherwise, with a core temperature of some 5000 K or more, sitting in the vacuum of outer space, with its nearest decent source of heat unable to maintain an average surface temperature of more than 255 K or so?

An apparent lag in temperature seen in the Greenland ice cores might be an artifact of the proximity of the large Laurentide Ice Sheet, which would have limited the near surface air temperature to the freezing point, as happens over summer sea - ice now.

Indeed the ice cores show a remarkable (near) linear response of CO2 to temperature changes, be it overall ~ 8 ppmv / K for the 420,000 years Vostok ice core, where K more or less reflects the SH ocean temperature.

We are at or near the upper boundary of temperature as shown in the ice core data for the past ten thousand years.

''... worked with two sediment cores they extracted from the seabed of the eastern Norwegian Sea, developing a 1000 - year proxy temperature record «based on measurements of δ18O in Neogloboquadrina pachyderma, a planktonic foraminifer that calcifies at relatively shallow depths within the Atlantic waters of the eastern Norwegian Sea during late summer,» which they compared with the temporal histories of various proxies of concomitant solar activity... This work revealed, as the seven scientists describe it, that «the lowest isotope values (highest temperatures) of the last millennium are seen ~ 1100 - 1300 A.D., during the Medieval Climate Anomaly, and again after ~ 1950 A.D.» In between these two warm intervals, of course, were the colder temperatures of the Little Ice Age, when oscillatory thermal minima occurred at the times of the Dalton, Maunder, Sporer and Wolf solar minima, such that the δ18O proxy record of near - surface water temperature was found to be «robustly and near - synchronously correlated with various proxies of solar variability spanning the last millennium,» with decade - to century - scale temperature variability of 1 to 2 °C magnitude.»

Since Greenland is near the end of the path for the Gulf Stream and most of the water vapor in the atmosphere in that region is from the Gulf Stream, ice cores from Greenland are a good indicator of the ocean temperatures in the north Atlantic Ocean.

The Antarctic Ice Core temperature (above) only shows a 2.0 C decline during the Younger Dryas but Greenland's (above) are 15.0 C. Greenland did experience more of a decline than Antarctica in this event but nowhere near these numbers.

A few additions: — While coastal ice cores reflect the temperatures of the nearby Southern Ocean (via dD and d18O proxies), the deep inland, high altitude, ice cores of Vostok and Epica Dome C reflect the ocean temperatures for near the whole SH.

Measurement sites form the core input of the data set for calculating this «global mean temperature» (whatever that actually means), but the measurements from these sites is accurate at best to the nearest 1 degree, in actual practice around the nearest 5 degrees since many are reading off mercury thermometers — and this condition increases in frequency the further back in time you go.

The Vostok ice core proxy record shows that there has been substantial variability in temperature near the south pole throughout the Holocene.