Sentences with phrase «low sea level pressure»

However, during the second half of July, ice loss slowed substantially as the high pressure over the central Arctic and Beaufort Sea was replaced by low sea level pressure (Figure 3).
As discussed in the July Outlook, low sea level pressure (SLP) dominated the Arctic Ocean in July, leading to ice divergence and cooler temperatures that helped to slow the fast pace of ice loss observed in May and June.
This is an increase of 1 million square kilometers from the July Outlook, reflecting the persistence of low sea level pressure (SLP) over the central Arctic that resulted in ice divergence and a more fractured ice cover.
In July, the Arctic Dipole Anomaly (DA) pattern that was dominant in June (which promotes clear skies, warm air temperatures, and winds that push ice away from coastal areas and encourages melt) was replaced by low sea level pressure (SLP) over the Arctic Ocean, leading to ice divergence (ice extent «spreading out») and cooler temperatures.
While the DA was replaced by low sea level pressure (SLP) over the Arctic Ocean in July, high pressure returned over the Beaufort Sea in August coupled with low pressure over Siberia, helping to compress ice towards the pole and bring warm air into the Arctic.
This AD pattern quickly shifted in the second half of June, however, and was replaced by a low sea level pressure center over the Pacific side of the Arctic Ocean (Figure 3b), opposing the transpolar sea ice drift.
Closed contours over the Pacific Arctic support a continued low sea level pressure in that region, similar to Figure 9, which is not supportive of rapid sea ice loss.
This AD pattern quickly shifted in the second half of June 2012, however, and was replaced by a more typical low sea level pressure center over the Arctic Ocean.
At the end of June the AD was replaced by low sea level pressure.
Conversely, low sea level pressure anomalies over the Beaufort Sea and Canada Basin keep the Arctic Ocean pack ice up against the western entrance.
The increased west winds are related to lower sea level pressure at high latitudes, with greater sea level pressure in mid-latitudes.
The North Atlantic Oscillation turned positive in spring and can be seen as low sea level pressures over Iceland during May 2011 (Figure 7).

Not exact matches

Because the martian air pressure is very low — 100 times lower than at sea level on Earth — ice on Mars does not melt and become liquid when it warms up.
The research, an analysis of sea salt sodium levels in mountain ice cores, finds that warming sea surface temperatures in the tropical Pacific Ocean have intensified the Aleutian Low pressure system that drives storm activity in the North Pacific.
Lowest atmospheric pressure (lower is stronger) Wilma: 882 millibars Gilbert: 888 Katrina: 902 Typical pressure at sea level: 1013
When they factored in a constant level of CO2, they discovered a surprising development: The change required a lower overall atmospheric pressure — about one - sixth today's pressure at sea level.
The sea level time series is rich in physical phenomena such as tides (caused mostly by the gravitational pull of the Moon and the Sun), meteorological signals (high and low pressure), and signals from climate change.
At altitudes of 5000 m and higher, life is not easy here: the atmospheric pressure is much lower than at sea level, and oxygen is scarce.
Zhang, and W.R. Rossow, 2000: Cloud and radiation variations associated with northern midlatitude low and high sea level pressure regimes.
This is the result of adiabatic warming, where air is compressed from low pressure (at the top of a mountain) to high pressure (at sea level).
195º Low simmer 210º High simmer 212º Boiling water at sea level; light or vigorous boil 213º - 214º Boiling temperature of salted or sugared water; 1 teaspoon per quart 250º Maximum pressure cooker temperature 250º Butter smoke point 300º For seasoning lightly oil - coated pans in the oven 325º Water drops dance on skillet surface 325º Black pepper burning point 350º Clarified butter smoke point
Same as water boiling at sea level at 100C (212F) but at lower temp at high altitudes because pressure is less, same rule applies to refrigerant.
Should the ice sheet start to melt in a serious way (i.e. much more significantly than current indications suggest), then lowering of the elevation of the ice sheet will induce more melting simply because of the effect of the lapse rate (air being warmer closer to sea level due to pressure effects).
When the AO is in a positive phase, sea level pressure in the Arctic is particularly low.
Unlike the sea level pressure field from the last six years with the Arctic Dipole (AD), which has low pressure on the Siberian side of the Arctic and higher pressure on the North American side, May 2013 had a low pressure over the central Arctic.
Low - lying island states and other countries vulnerable to rising sea levels, floods and hurricanes have been putting pressure on developed countries to curb greenhouse gas emissions and keep the rise in temperatures to within a limit of 2C this century.
Results are shown for the lower stratosphere (100 mb), the mid-troposphere (500 mb) and the surface (sea level pressure).
Map of sea level pressures (SLP) for July 1 - 19 showing low SLP over the central Arctic Ocean, a pattern that brought cooler and cloudier conditions.
The normal sea level pressure climatology for the summer Arctic has been a flat field or a weak monthly mean low pressure center over the Arctic.
When solar activity is high — the sea level pressure at the poles is low and storms are constrained to a tight circle at high latitudes.
The leading edge of this monsoon is associated with a feature called the monsoon trough, a region of low atmospheric pressure at sea level.
Though the Tibetan earthquake was going to happen at some time, it is possible that changes in ice loading on Himalayan glaciers, changes in water volume outflows in the annual Asian monsoon, and sea level rise adding pressure to the geological plates below coastlines — especially in low - lying Bangladesh — had an impact.
As warm air rises this leads to the formation of depressions at sea level, or low air pressure weather systems.
The Northwest Pacific basin has a lower background sea level pressure field.
Sea level pressure in the polar and sub polar regions are measured in the Southern and Northern Annular Modes — the changes in sea level pressure creates the potential for the anomalous movement of atmospheric mass into lower latitudSea level pressure in the polar and sub polar regions are measured in the Southern and Northern Annular Modes — the changes in sea level pressure creates the potential for the anomalous movement of atmospheric mass into lower latitudsea level pressure creates the potential for the anomalous movement of atmospheric mass into lower latitudes.
In a positive SAM event sea level pressure over the pole is relatively low and pressure at sub-polar regions relatively high.
Sea - level pressure over the Arctic Ocean has tended to be fairly high, while pressure has been fairly low over northeastern Siberia.
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The Arctic had a weak Dipole Sea Level Pressure (SLP) with a low on the Eurasian Side and a high pressure region from north of the Bering Strait across northern Canada; the SLP pattern is typical of the long term average (1981 Pressure (SLP) with a low on the Eurasian Side and a high pressure region from north of the Bering Strait across northern Canada; the SLP pattern is typical of the long term average (1981 pressure region from north of the Bering Strait across northern Canada; the SLP pattern is typical of the long term average (1981 - 2010).
Map of sea level pressures (SLP) for late June 2012 showing a more typical historical pattern with low SLP pattern over in the Pacific side of the Arctic Ocean.
--- Atmospheric mass and composition: approx. 510 trillion m ^ 2 (surface area) * 0.1013 MPa (surface pressure) / 9.81 m / s ^ 2 = 5.266 E18 kg = 5.266 million Gt Hartmann, «Global Physical Climatology», p. 8 gives 5.136 million Gt (the difference could be due to actual average surface pressure being lower than average sea level pressure; counteracting that, gravity decreases with height (not much over most of the mass of the atmosphere) and I think global average g may be less than 9.81 (maybe 9.80?)
So even if someone gets altitude sickness with an 80 foot increase in altitude, they will not need to move to a lower location; sea level increase will bring the O2 partial pressure back up for them.
Since May, sea - level pressure anomalies over northern Australia have been persistently high, while pressure anomalies over the tropical eastern Pacific have been mostly lower than average.
Ultimately I believe people are the most important, but if I had to worry about beach zoning, I would worry in this order: 1) tsunamis; 2) hurricanes and ground subsidence; 3) low pressure systems and rogue waves; 4) sewage and ship leaks; 5) sea level rise.
The map of sea level pressure for October 1 to 30, 2010, shows a high - pressure system cenetered over the Beaufort and Chukchi sea and Greenland, and low pressure over the Kara and Barents seas.
Therefore, by computing (or measuring) the absorption at sea level pressure, we are overestimating the absorption of the CO2 actually in place in the higher, lower - pressure parts of the atmosphere.
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