Sentences with phrase «expansion of warming ocean»

Rise is due to both melting ice and the thermal expansion of warming ocean waters.
To know what these high numbers mean for local changes on the world's coastlines, you need a framework that accounts for all the key drivers: among them not just Antarctica, but also Greenland, mountain glaciers, the expansion of the warming ocean, changes in winds and current, shifts in Earth's gravitational field, and land motion.
The latest estimates for sea level rise cited by the International Panel on Climate Change (IPCC) are based largely on the melting of nonpolar glaciers and the expansion of warmer ocean waters.
In fact, the IPCC gets most of its prjected sea rise from thermal expansion of warmer oceans, not from ice melting.
But to slow sea level increases — which are caused primarily by melting glaciers and the expansion of warming oceans — he said the rate of global temperature increase must be slowed.

Not exact matches

«Sea level observations are telling us that during the past 100 years sea level has risen at an average rate of 1.7 millimeters per year,» most of that due to thermal expansion as the top 700 meters of the oceans warms and expands.
That is, expansion of the warm pool in the Indian Ocean has far exceeded that in the Pacific Ocean.
Sea levels have been rising worldwide over the past century by between 10 and 20 centimetres, as a result of melting land - ice and the thermal expansion of the oceans due to a planetary warming of around 0.5 degreeC.
According to calculations by other scientists, roughly half the rise comes from the thermal expansion of the oceans as they warm.
«A fundamental question has been whether we can directly link expansion of harmful algal blooms to a warming ocean; this paper provides critical, quantitative evidence for just that trend, confirming an expected, but difficult to test, direct link between toxic blooms to climate,» said Dr. Raphael Kudela, Professor of Ocean Sciences, University of California Santa Cruz, a national toxic algae expert who was not part of the socean; this paper provides critical, quantitative evidence for just that trend, confirming an expected, but difficult to test, direct link between toxic blooms to climate,» said Dr. Raphael Kudela, Professor of Ocean Sciences, University of California Santa Cruz, a national toxic algae expert who was not part of the sOcean Sciences, University of California Santa Cruz, a national toxic algae expert who was not part of the study.
The world's oceans have already risen by an average of 8 inches over the last century from a combination of water added by ice melt and the expansion of ocean waters as they warm.
Because existing phenomena — such as thermal expansion of water from warming — do not fully explain the corrected sea - level - rise number of 3.3 millimeters, stored heat in the deep ocean may be making a significant contribution, Cazenave said.
Global greenhouse gas emissions have already committed the residents of the Maldives to a watery future: ocean expansion due to warming has raised sea levels enough to regularly deluge the islands, and melting glaciers will only make matters worse.
As the largest contributor is ocean thermal expansion, warmer than expected temperatures would be a significant part of the discrepancy.
[SLIDE 17] And so not surprisingly sea level is rising as a result not only of the loss of mountain glaciers and the great land ice sheets — losses from the great land ice sheets; but also thermal expansion of sea water because the ocean is getting warmer.
The study was too limited to clarify whether the warming Arctic climate and related summer expansion of open water in the Arctic Ocean is necessitating more long swims — or whether that is reducing the bear's survival rate or reproductive success.
Nick O, # 65: Will the rate of sea level rise, due to ocean warming and thermal expansion, be somewhat faster than predicted in previous reports?
IF cool deep sea water were mixed relentlessly with surface water by some engineering method --(e.g. lots of wave operated pumps and 800m pipes) could that enouromous cool reservoir of water a) mitigate the thermal expansion of the oceans because of the differential in thermal expansion of cold and warm water, and b) cool the atmosphere enough to reduce the other wise expected effects of global warming?
«The fact that we are seeing an expansion of the ocean's least productive areas as the subtropical gyres warm is consistent with our understanding of the impact of global warming,» he said.
Now scientists have measured a rapid recent expansion of desert - like barrenness in the subtropical oceans --- in places where surface waters have also been steadily warming.
Anthropogenic forcing, resulting in thermal expansion from ocean warming and glacier mass loss, has very likely contributed to sea level rise during the latter half of the 20th century.
And as a finishing touch there is of course thermal expansion of sea water — which leads to about one meter sea level rise for every one degree of ocean warming — so that is two more.
We work with global ocean circulation models to understand issues like the thermal expansion of ocean waters due to global warming or the effect of changing ocean currents on regional sea levels.
This is the basis for the first theoretical prediction for the effects of global warming mentioned in Section 1 — if global warming causes the oceans to heat up, this should (in theory) cause sea levels to rise, from «thermal expansion».
Source: press release for Myers et al., 2015 Sea Levels 2 - 4 m Higher Until ~ 5,000 Years Ago Imply Surface Temps Were At Least 5 °C Warmer According to the accepted (IPCC) formula for calculating the contribution of ocean warming (thermal expansion) to sea level rise upon reaching equilibrium, every additional degrees Celsius of surface warmth yields -LSB-...]
The melting of Greenland, Antarctica, mountain glaciers around the globe, and the corresponding expansion of the volume of the ocean as it warms, are expected to increase their pace.
Thermal expansion — water swells as it heats — accounts for a substantial portion of rising seas, so warmer oceans mean even worse news for already threatened islands and coasts.
There are only so many possibilities: glaciers melting or thermal expansion of the oceans, both of which imply warmer temperatures; alternatively, the spontaneous creation of water.
This is probably the most important indicator of global warming as it comes from only two occurrences - glacial melt and the expansion of ocean water as it warms.
Ever since the early 1990s, scientific reports have highlighted the vulnerability of West Africa to inundation, flooding and loss of key industries, food growing and infrastructure due to glacial melt, thermal expansion of ocean waters set off by warming, and an increase in storm strength in the North Atlantic.
Previous studies have considered mechanisms for the basin - scale ocean warming, but not the causes of the observed IPWP expansion, where expansion in the Indian Ocean has far exceeded that in the Pacific Oocean warming, but not the causes of the observed IPWP expansion, where expansion in the Indian Ocean has far exceeded that in the Pacific OOcean has far exceeded that in the Pacific OceanOcean.
If some of the ocean heat uptake during the last 20 years has shifted from the shallow and warm parts to the deeper and colder parts this would reduce the total thermal expansion even if the total heat flux into the oceans remained the same.
Since «there's an over two orders of magnitude (~ 120) difference between the amount of energy needed to add a litre to the ocean from melting ice (~ 334KJ)[and] thermal expansion of sea water (~ 40,000 KJ)», this means that sea - level rise, often offered as a «proxy» for «global warming», is actually not important.
«The distribution, frequency and intensity of these events have increased across the globe and this study links this expansion to ocean warming in some regions of the North Atlantic and North Pacific oceans
If there is deep - water formation in the final steady state as in the present day, the ocean will eventually warm up fairly uniformly by the amount of the global average surface temperature change (Stouffer and Manabe, 2003), which would result in about 0.5 m of thermal expansion per degree celsius of warming, calculated from observed climatology; the EMICs in Figure 10.34 indicate 0.2 to 0.6 m °C — 1 for their final steady state (year 3000) relative to 2000.
ocean is of the order of 1000 years, thermal expansion is expected to be relatively slow and predictable, although shifts in ocean circulation can influence the details of the warming and sea - level rise.
This expansion of OMZs is due to nutrient runoff makes the ocean more vulnerable to decreasing solubility of O2 in a warmer ocean.
As explained in the press release, the scientists began with the measure of sea level rise between 2005 and 2013, then deducted the amount of rise due to meltwater (e.g., melting ice sheets and loss of glacier mass worldwide) and then the amount of rise due to the expansion of water from the warming in the upper portion of the world's oceans (which scientists have good data on).
Sea level is rising, primarily in response to a warming planet, through thermal expansion of the oceans, and also via the loss of land ice as ocean and air temperatures increase, melting ice and speeding the flow of non-floating ice to form floating icebergs.
At the same time, the ocean is expected to warm with an associated expansion of the oxygen minimum layer (OML).
With a 2 °C warming, the solubility would decrease by 14 μM resulting in a large expansion of areas depleted of dissolved oxygen and turning large areas of the ocean into places where aerobic life disappears.
So you need to look at a wide range of indicators all of which have independent sources of error (for instance, errors in satellites are not likely to be correlated with errors in weather stations or ocean buoys) and see if your understanding matches all of the different aspects that you expect from the theory (stratospheric cooling, ocean warming, Arctic melt, poleward and upward expansion of biomes etc...).
We were talking about thermal expansion / sea level rise of the ocean from a warming ocean, not sea level rise from adding more water.
The principal causes are clear: global decline of land ice (mountain glaciers & ice sheets) and thermal expansion of ocean water (water expands as it becomes warmer).
Could it have been that much more heat was propotionately gained by the upper warmer layers of the oceans (where the thermal expansion coefficient is much higher)?
It can't except by heating the surface, leading to increased convection, leading to a warming of the atmosphere, leading to an expansion of the atmosphere, similar to the expansion of the oceans.
Ocean Warming 50 % Greater Than IPCC Report At the Copenhagen Climate Congress back in March, the synthesis report produced says that current estimates show that ocean warming is 50 % greater than had been reported in the 2007 IPCC report and that sea level rise reported in previous decades had largely been the result of thermal expanOcean Warming 50 % Greater Than IPCC Report At the Copenhagen Climate Congress back in March, the synthesis report produced says that current estimates show that ocean warming is 50 % greater than had been reported in the 2007 IPCC report and that sea level rise reported in previous decades had largely been the result of thermal expWarming 50 % Greater Than IPCC Report At the Copenhagen Climate Congress back in March, the synthesis report produced says that current estimates show that ocean warming is 50 % greater than had been reported in the 2007 IPCC report and that sea level rise reported in previous decades had largely been the result of thermal expanocean warming is 50 % greater than had been reported in the 2007 IPCC report and that sea level rise reported in previous decades had largely been the result of thermal expwarming is 50 % greater than had been reported in the 2007 IPCC report and that sea level rise reported in previous decades had largely been the result of thermal expansion.
(NB, warming of the oceans also causes sea level rise through thermal expansion
Sea - level rise caused by thermal expansion (in the range of 10 to 30 cm per century) is likely to continue for centuries (even if the warming asymptotes to values close to CEW G by 2100) because of the time required for mixing of the heating to deeper oceans.
(By the way, neither has sea - level rise due to thermal expansion, because the thermal expansion coefficient is several times larger for warm surface waters than for the cold deep waters — again it is warming in the surface layers that counts, while the total ocean heat content tells us little about the amount of sea - level rise.)
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