Sentences with phrase «at ocean temperature increases»

Not exact matches

He added that scientists need to monitor carbon storage and possible temperature increases in oceans at depths greater than 2 kilometers in addition to adding biogeochemical sensing capacity.

Curtis Deutsch, associate professor at the University of Washington's School of Oceanography, studies how increasing global temperatures are altering the levels of dissolved oxygen in the world's oceans.

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.

«We can see now at true planetary scale that increasing water temperature will have a huge impact on microbial life in the ocean,» said Shinici Sunagawa, an EMBL staff scientist and a senior author on a second Tara paper.

That figure will rapidly increase each year as warmer temperatures thin permafrost, Peter Wadhams, a professor of ocean physics at the University of Cambridge and co-author of the economic impact study, wrote in an e-mail.

The north - south gradient of increasing glacier retreat was found to show a strong pattern with ocean temperatures, whereby water is cold in the north - west, and becomes progressively warmer at depths below 100m further south.

The observed fact that temperatures increases slower over the oceans than over land demonstrates that the large heat capacity of the ocean tries to hold back the warming of the air over the ocean and produces a delay at the surface but nevertheless the atmosphere responds quit rapidly to increasing greenhouse gases.

The global land and ocean temperature during January has increased at an average rate of +0.07 °C (+0.13 °F) per decade since 1880; however, the average rate of increase is twice as great since 1975.

During 1955 — 1998 world ocean heat content (0 — 3000 m) increased 14.5 * 10 ^ 22 J corresponding to a mean temperature increase of 0.037 C at a rate of 0.20 Wm 2

In the case of warming caused by a disproportionate increase in atmospheric CO2 (compared with oceanic CO2), an increase in temperatures only slows down the rate at which CO2 is absorbed by the oceans.

At this time the E-W sea surface temperature gradients in both the Pacific and Indian Oceans increased [29], [31] intensifying the E-W moisture transport in the tropics, which greatly increased rainfall variability both on a precession and an ENSO (El Niño Southern Oscillation) time - scales.

Increased warming of the cool skin layer (via increased greenhouse gases) lowers its temperature gradient (that is the temperature difference between the top and bottom of the layer), and this reduces the rate at which heat flows out of the ocean to the atIncreased warming of the cool skin layer (via increased greenhouse gases) lowers its temperature gradient (that is the temperature difference between the top and bottom of the layer), and this reduces the rate at which heat flows out of the ocean to the atincreased greenhouse gases) lowers its temperature gradient (that is the temperature difference between the top and bottom of the layer), and this reduces the rate at which heat flows out of the ocean to the atmosphere.

At the same time, increasing depth and duration of drought, along with warmer temperatures enabling the spread of pine beetles has increased the flammability of this forest region — http://www.nature.com/nclimate/journal/v1/n9/full/nclimate1293.html http://www.vancouversun.com/fires+through+tinder+pine+beetle+killed+forests/10047293/story.html Can climate models give different TCR and ECS with different timing / extent of when or how much boreal forest burns, and how the soot generated alters the date of an ice free Arctic Ocean or the rate of Greenland ice melt and its influence on long term dynamics of the AMOC transport of heat?

The physics part is that to first order, you expect the rate of continental ice melt to increase with temperature, and also the rate at which heat penetrates into the ocean below the mixed layer (for the mixed layer indeed we use a term relating temperature to sea level, not its rate of rise).

The relative contribution of each trace GHG to increased Eocene and Cretaceous land temperatures at 4 × CO2, assessed with multiple separate coupled - ocean atmosphere HadCM3L model simulations, revealed methane and associated increases in stratospheric water vapor dominate, with nitrous oxide and tropospheric ozone contributing approximately equally to the remainder.

But if something causes heat to be transferred from the ocean surface into its deeps more rapidly than usual, ocean surface temperatures could rise more slowly, not rise at all, or even fall despite the increased backradiation.

Failures in the Earth system are already beginning to occur in a number of ways at a GMT increase of only 0.8 oC; GMT does not address huge regional differences in temperature increase; a temperature target doesn't even address ocean acidification; and we are frittering our time here (and in numerous scientific papers) addressing 2oC as if it is a reasonable target???

Now since relative humidity remains roughly constant at the ocean surface and the air's capacity to hold water increases with temperature, relative humidity will actually decrease over land, particularly as one enters the continental interiors.

Long waves (infrared) light from the sun, GHGs, clouds, are trapped at the surface of the oceans, directly leading to increased «skin» temperature, more water vapor (a very effective GHG), faster convection (with more loss of heat to space in the tropics),... How each of them converts to real regional / global temperature increases / decreases is another point of discussion...

On the one hand, continued melting from below — or increased melting from above (this isn't imminent, but will happen at some point in the next century or two)-- will eventually lead to a tipping point in time where rapid retreat begins, regardless of what ocean or air temperatures do from that point on.

Re # 9 and space loss vs. deep ocean loss: It does seem that if radiation to space was the loss, you'd see a correlated increase in the temperature at the top of the troposphere, which is some -73 C.

However, at the same time, there's been the steady increase in subtropical ocean surface temperatures in the Atlantic Warm Pool, leading to record water temperatures off the US east coast in winter, which tends to fuel more extreme storms (via the increase in water vapor pressure over the warmer ocean).

And at last they have found a new one: they suggest that the difference in the temperature increase over land and the oceans during the last decades might be due to contaminations of the land temperature record — They call it an anomalous behaviour — ignoring that it corresponds fully to what is physically expected.

«Another recent paper used a different NOAA ocean surface temperature data set to find that since 2003 the global average ocean surface temperature has been rising at a rate that is an order of magnitude smaller than the rate of increase reported in Karl's paper.»

In 2005, during the hottest average decade on record, 8 low - wind conditions known as «the doldrums» combined with very high ocean temperatures to cause massive coral bleaching in the Virgin Islands.9 This was followed by a particularly severe outbreak of at least five coral diseases in the Virgin Islands, resulting in a decline in coral cover of about 60 percent.9 There is some indication that higher ocean temperatures — between 86 and 95 degrees Fahrenheit (30 to 35 degrees Celsius)-- promote optimal growth of several coral pathogens.9 Other research showed that elkhorn coral post-bleaching had larger disease lesions than unbleached specimens, suggesting that bleaching may increase the corals» susceptibility to disease.9, 10

Further, cause to show direct relationship between magnetism, gravity, and ocean churn, provides plausible reason to believe there could be a causal relationship producing more carbon at higher temperature because of increased bacterial ocean life.

A main control on atmospheric CO2 appears to be the ocean surface temperature, and remains a possibility that a significant part of the overall increase of atmospheric CO2 since at least 1958 (start of Mauna Loa observations) simply relflects the gradual warming of the oceans as a result of the prolonged period of high solar activity since 1920 (Solanki et al., 2004).

So at the ocean surface, the atmospheric pressure remains relatively constant, increased CO2 concentrations lead to an increased partial pressure of CO2 but temperature leads to to a decreased solubility, partially canceling each other out.

During times of warmth, the ocean water levels rise as atmospheric moisture increases but at a rate decelerating when atmospheric temperatures over oceans approach say 33 C.

at some point the ocean temperature will not be warm enough to keep the arctic sea ice melted and the sea ice will increase and halt the cooling.

Whether we look at the steady increase in global temperature; the buildup of greenhouse gases in the atmosphere to the highest level in a half - million years; the march of warmest - ever years (9 of the10 hottest on record have occurred since 2000); the dramatic shrinking of mountain glaciers and Arctic sea ice; the accelerating rise in sea level; or the acidification of our oceans; the tale told by the evidence is consistent and it is compelling.

The only thing I see is that the ocean temperature has had its oscillations but has generally increased at a constant rate since 1900 but other literature show anthropogenic emissions have increased exponentially from 1900 to 2006 I see no correlation between a straight line and an exponential curve.

Coby, if the earth is warming as a result of increased periodic solar activity (or some other more complex reason) as suggested by the long term cycles mentioned above measured before man was on earth or industrialized, is it posssible that the observed increases in CO2 in the atmosphere are simply coming from warmer oceans, since liquids can not hold as much gas at a higher temperature than they can at lower temperature?

Turbulence in both the ocean and the inviscid mantle (the part that flows freely like a liquid), as well as frictional drag at the core - mantle and mantle - crust boundaries where the mantle starts to solidify due respectively to increasing pressure and decreasing temperature, should account for most of this dissipation.

It is the only technology that acts to directly reduce the temperature of the ocean (it was estimated one degree Fahrenheit reduction every twenty years for 10,000 250 MWe plants in» 77), eliminates carbon emissions, and increases carbon dioxide absorption (cooler water absorbs more CO2) at the same time.

The 0.09 C increase in deep ocean temperature may not be felt at the surface for 4000 years or more.

Although I've previously addressed Mike J's objection at WUWT concerning ocean oscillations (as noted above in this comment), Mike is correct that I did not address his claim at WUWT «This shows that the sawtooths have been carefully manipulated to «reserve» the 1970 - 2000 temperature increase for AGW,» for which my apologies.

Arctic air temperatures are increasing at twice the rate of the rest of the world — a study by the U. S. Navy says that the Arctic could lose its summer sea ice by next year, eighty - four years ahead of the models — and evidence little more than a year old suggests the West Antarctic Ice Sheet is doomed, which will add between twenty and twenty - five feet to ocean levels.

The relentless increase in OHC means that ocean temperatures continue to rise at 0.003 degC / decade.

Hence if you increased the partial - pressure of the gas you thereby force more CO2 down to the oceans in accordance with the partitioning ratio which is understood to be 1:50 for CO2 at the Earth's current surface temperature.

«The fastest alterations occur at the surface, where the ocean is directly exposed to the rising carbon dioxide concentration and increasing temperature of the atmosphere.

Climate models surveyed by the Bureau of Meteorology have increased their chances of sea surface temperatures in the tropical Pacific Ocean remaining at neutral levels, though still warmer than average, for the remainder of 2012.

However, the authors note that while the increase in global temperatures has slowed, the oceans have taken up heat at a faster rate since the turn of the century.

Finally, the fact that both the oceans and the atmosphere are at their all time highest temperatures over the past 10 year average from instrument record and through extrapolation to near - term paleodata, we can see a remarkable consistent effect of what increasing greenhouse gases do to overall alterations in Earth's non-tectonic energy storage.

That may seem small at first, but over time, especially when combined with other sources of sea level rise such as melting Greenland glaciers and the expansion of seawater as ocean temperatures increase, it adds up.

And there are appreciable artifacts in the record as a result of changing soil moisture and thus changing ratios of sensible and latent heat at 2m from the ground — plausibly causing an increasing land / ocean temperature divergence during periods of widespread drought.

Not only do increased ocean temperatures bleach coral by forcing them to expel the algae which supplies them with energy (see photo at left)[viii], but increased ocean CO2 reduces the availability of aragonite from which reefs are made.

3000 meter of ocean depth does not increase the temperature of water at bottom.

To point out just a couple of things: — oceans warming slower (or cooling slower) than lands on long - time trends is absolutely normal, because water is more difficult both to warm or to cool (I mean, we require both a bigger heat flow and more time); at the contrary, I see as a non-sense theory (made by some serrist, but don't know who) that oceans are storing up heat, and that suddenly they will release such heat as a positive feedback: or the water warms than no heat can be considered ad «stored» (we have no phase change inside oceans, so no latent heat) or oceans begin to release heat but in the same time they have to cool (because they are losing heat); so, I don't feel strange that in last years land temperatures for some series (NCDC and GISS) can be heating up while oceans are slightly cooling, but I feel strange that they are heating up so much to reverse global trend from slightly negative / stable to slightly positive; but, in the end, all this is not an evidence that lands» warming is led by UHI (but, this effect, I would not exclude it from having a small part in temperature trends for some regional area, but just small); both because, as writtend, it is normal to have waters warming slower than lands, and because lands» temperatures are often measured in a not so precise way (despite they continue to give us a global uncertainity in TT values which is barely the instrumental's one)-- but, to point out, HadCRU and MSU of last years (I mean always 2002 - 2006) follow much better waters» temperatures trend; — metropolis and larger cities temperature trends actually show an increase in UHI effect, but I think the sites are few, and the covered area is very small worldwide, so the global effect is very poor (but it still can be sensible for regional effects); but I would not run out a small warming trend for airport measurements due mainly to three things: increasing jet planes traffic, enlarging airports (then more buildings and more asphalt — if you follow motor sports, or simply live in a town / city, you will know how easy they get very warmer than air during day, and how much it can slow night - time cooling) and overall having airports nearer to cities (if not becoming an area inside the city after some decade of hurban growth, e.g. Milan - Linate); — I found no point about UHI in towns and villages; you will tell me they are not large cities; but, in comparison with 20-40-60 years ago when they were «countryside», many small towns and villages have become part of larger hurban areas (at least in Europe and Asia) so examining just larger cities would not be enough in my opinion to get a full view of UHI effect (still remembering that it has a small global effect: we can say many matters are due to UHI instead of GW, maybe even that a small part of measured GW is due to UHI, and that GW measurements are not so precise to make us able to make good analisyses and predictions, but not that GW is due to UHI).

Temperatures at the surface, in the troposphere (the active weather layer extending up to about 5 to 10 miles above the ground), and in the oceans have all increased over recent decades (Figure 2.2).