Sentences with phrase «response to warming seas»

That is, Lin found that clouds in the tropics do change in response to warmer sea surface temperatures, but that the cloud changes serve to slightly enhance warming at the surface.

Not exact matches

The sea surface temperature response to global warming is a key question.
Much of Pres. Donald Trump's Mar - a-Lago country club in Palm Beach, Fla., sits less than two meters above the Atlantic Ocean, meaning big parts of the resort could rest beneath the waves by the end of this century as seas rise in response to global warming.
The accessibility of a large numbers of tidewater glaciers, subject to warming conditions, provides a unique opportunity to observe processes and enable more accurate predictions of sea level response to ocean warming around Antarctica.
«This uncertainty is illustrated by Pollard et al. (2015), who found that addition of hydro - fracturing and cliff failure into their ice sheet model increased simulated sea level rise from 2 m to 17 m, in response to only 2 °C ocean warming and accelerated the time for substantial change from several centuries to several decades.»
[Response: Sea ice is still not at levels seen during the Early Holocene, and since we are discussing sea floor sediments the main reason given to be concerned is that the change of summer sea ice will warm the bottom sea water, we are clearly not there ySea ice is still not at levels seen during the Early Holocene, and since we are discussing sea floor sediments the main reason given to be concerned is that the change of summer sea ice will warm the bottom sea water, we are clearly not there ysea floor sediments the main reason given to be concerned is that the change of summer sea ice will warm the bottom sea water, we are clearly not there ysea ice will warm the bottom sea water, we are clearly not there ysea water, we are clearly not there yet.
Zhang, J., M. Steele, and A. Schweiger (2010), Arctic sea ice response to atmospheric forcings with varying levels of anthropogenic warming and climate variability, Geophys.
Polar amplication is of global concern due to the potential effects of future warming on ice sheet stability and, therefore, global sea level (see Sections 5.6.1, 5.8.1 and Chapter 13) and carbon cycle feedbacks such as those linked with permafrost melting (see Chapter 6)... The magnitude of polar amplification depends on the relative strength and duration of different climate feedbacks, which determine the transient and equilibrium response to external forcings.
Geoff Beacon, before betting too much check papers like Zhang et al. «Arctic sea ice response to atmospheric forcings with varying levels of anthropogenic warming and climate variability».
«Yes, sea ice seems to behaving as the consensus of the climate models have been projecting — more rapid and larger response in the northern high latitudes than anywhere else, flat to possible increase in [southern hemisphere] sea ice as warming takes hold,» he wrote.
Those projections are detailed in Zhang et al, 2010 «Arctic sea ice response to atmospheric forcings with varying levels of anthropogenic warming and climate variability.»
[Response: Unfortunately, you seem to have conveniently forgotten that Keigwin (and Pickart) published a paper in Science just a few years later in 1999 pointing that the appparent cooling (actually, the oxygen isotopic signal in question isn't entirely temperature, it is salinity as well, so the quantative 1 deg cooling estimate you cite is not actually reliable) in the Sargasso Sea is diametrically opposed by a substantial warming at the same time in the Laurentian Fan region of the North Atlantic off the coast of Newfoundland.
(57j) For surface + tropospheric warming in general, there is (given a cold enough start) positive surface albedo feedback, that is concentrated at higher latitudes and in some seasons (though the temperature response to reduced summer sea ice cover tends to be realized more in winter when there is more heat that must be released before ice forms).
While on the topic of the oceans» response to warming, I would very much like to see a RealClimate posting on the effects on sea levels of GW.
Re 9 wili — I know of a paper suggesting, as I recall, that enhanced «backradiation» (downward radiation reaching the surface emitted by the air / clouds) contributed more to Arctic amplification specifically in the cold part of the year (just to be clear, backradiation should generally increase with any warming (aside from greenhouse feedbacks) and more so with a warming due to an increase in the greenhouse effect (including feedbacks like water vapor and, if positive, clouds, though regional changes in water vapor and clouds can go against the global trend); otherwise it was always my understanding that the albedo feedback was key (while sea ice decreases so far have been more a summer phenomenon (when it would be warmer to begin with), the heat capacity of the sea prevents much temperature response, but there is a greater build up of heat from the albedo feedback, and this is released in the cold part of the year when ice forms later or would have formed or would have been thicker; the seasonal effect of reduced winter snow cover decreasing at those latitudes which still recieve sunlight in the winter would not be so delayed).
«Near - bottom water warming in the Laptev Sea in response to atmospheric and sea - ice conditions in 2007&raqSea in response to atmospheric and sea - ice conditions in 2007&raqsea - ice conditions in 2007»
Overall, the panel's reports have never focused much on research examining how humans respond (or fail to respond) to certain kinds of risk, particularly «super wicked» problems such global warming, which is imbued with persistent uncertainty on key points (the pace of sea - level rise, the extent of warming from a certain buildup of greenhouse gases), dispersed and delayed risks, and a variegated menu of possible responses.
Suggested mechanisms range from upwelling of warm deep waters onto the continental shelf in response to variations in the westerly winds, to an influence of El Niño — Southern Oscillation on sea surface temperatures.
Underlying this entire context is the fact that we have not yet seen the equilibrium response or Earth system response from 350 to 400 ppm of CO2 — since the oceans are warming and ice is melting and the seas rising.
We know from satellite measurements that the Greenland and West Antarctic ice sheets (GIS and WAIS respectively) are losing mass in response to global warming, and that, in the case of the partly sea - based West Antarctica ice - sheet, basal melting of the ice by warmer ocean - water is likely to be a key mechanism.
Consistent with the aforementioned sea level rise acceleration, a number of articles have projected global sea level rise of around 1m or more by 2100, based on past estimates of sea level rise (in response to warming) and based on melting of land ice (with thermal expansion):
During that same period, average annual rainfall in New South Wales declined by 3.6 inches (92 millimeters).3 Scientists think the decline in autumn rainfall in southeast Australia since the late 1950s may be partly due to increases in heat - trapping gases in Earth's atmosphere.3, 14 Major bushfires over southeast Australia are linked to the positive phase of an ocean cycle called the «Indian Ocean Dipole» — when sea surface temperatures are warmer than average in the western Indian Ocean, likely in response to global warming.15, 16
It is also worth noting that the use of both modes of Geo - E in a Troika strategy can not entirely guarantee a benign outcome, however long the R&D period, since we have no firm information on how large the response the Methane Hydrates Melt feedback will be to the sum of ocean warming that is already penetrating the seabed plus that from the several decades of further warming as the natural sea temperatures are slowly restored.
How hurricanes develop also depends on how the local atmosphere responds to changes in local sea surface temperatures, and this atmospheric response depends critically on the cause of the change.23, 24 For example, the atmosphere responds differently when local sea surface temperatures increase due to a local decrease of particulate pollution that allows more sunlight through to warm the ocean, versus when sea surface temperatures increase more uniformly around the world due to increased amounts of human - caused heat - trapping gases.25, 26,27,28
Regardless of whether or not the oceans integrate ENSO and portray it in sea surface temperature anomalies, the West Pacific and East Indian Oceans warm in response to both El Nino and La Nina events, so there is a cumulative response to ENSO by a major portion of the global oceans.
AFAICT, models are in general underpredicting sea level and ice sheet response to the already observed warming.
The long term sea level response after 2000 years is estimated as 1 to 3m per degree C of warming.
How hurricanes develop also depends on how the local atmosphere responds to changes in local sea surface temperatures, and this atmospheric response depends critically on the cause of the change.23, 24 For example, the atmosphere responds differently when local sea surface temperatures increase due to a local decrease of particulate pollution that allows more sunlight through to warm the ocean, versus when sea surface temperatures increase more uniformly around the world due to increased amounts of human - caused heat - trapping gases.18, 25,26,27 So the link between hurricanes and ocean temperatures is complex.
Research revealed that in response to the natural Arctic Oscillation, thick sea ice had been blown into the warmer Atlantic due to a directional shift in freezing winds.
Local and large - scale atmospheric responses to reduced Arctic sea ice and ocean warming in the WRF model
Rather, it both offers a tool for exploring the sea level implications of polar ice sheets» complex physical responses to global warming and highlights the deep uncertainty that characterizes sea level change in a high - emissions future.
There is new information that lack of sea ice causes storms to produce larger waves and more coastal erosion.5 An additional contributing factor is that coastal bluffs that were «cemented» by permafrost are beginning to thaw in response to warmer air and ocean waters, and are therefore more vulnerable to erosion.22 Standard defensive adaptation strategies to protect coastal communities from erosion such as use of rock walls, sandbags, and riprap have been largely unsuccessful.23 There remains considerable uncertainty, however, about the spatial patterns of future coastal erosion.
However, sea - level fluctuations in response to changing climate have been reconstructed for the past 22,000 years from fossil data, a period that covers the transition from the Last Glacial Maximum to the warm Holocene interglacial period.
As a result of the leftover warm water, the sea surface temperature anomalies of the Rest - of - the - World appear to shift upwards in response to the strong El Niño events:
While tweets using terms like «climate change» are more likely to include language that garners a positive response on the Hedonometer, like «sea,» «oceans,» and «nature,» Twitter users who prefer to tweet about «global warming» are more likely to use negative words such as «fraud,» «politicians,» and «blame» in their tweets as well.
In response to the minimum (1.1 °C) and maximum (6.4 °C) warming projected for AD 2100 by the IPCC models, our model predicts 7 and 82 cm of sea - level rise by the end of the twenty - first century, respectively.
«The response to a 1 °C warming is consistently an increase [in Katrina - level storm surges] by a factor of 2 — 7... This increase does not include the additional increasing surge threat from sea level rise»
Knowing that global atmospheric temperatures are a lagged response to sea surface temperatures, characterized by the SOI, and that the SOI has moderated over the past decade, indicates that global warming will moderate as well.
This work looked at climate model data to confirm that sea - surface temperature patterns can be used as an indicator of Amoc's strength and revealing that it has been weakening even more rapidly since 1950 in response to recent global warming.
It will be the impact of sea level rise, as a consequence of global warming driven by ever higher greenhouse gas levels in the atmosphere, in response to the profligate global consumption of fossil fuels.
Click that and within the abstract:» The new cGPS stations will, in some cases, be co-located with existing tide gauges, thus supporting studies of sea level change in response to current global warming».
In order of seniority, the seven feedbacks that seem outstanding are: Water vapour — rising by ~ 7 % per 1.0 C of warming; Albedo loss — due mostly to cryosphere decline; Microbial peat - bog decay — due to rising CO2 affecting ecological dynamics; Desiccation of tropical and temperate soils — due to SAT rise and droughts; Permafrost melt — due to SAT rise plus loss of snow cover, etc; Forest combustion — due to SAT rise, droughts, pest responses, etc; Methyl clathrates [aka methane hydrates] now threatened by rising sea - temperatures, increased water column mixing, etc..
Zhang, J.L., M. Steele, and A. Schweiger, «Arctic sea ice response to atmospheric forcings with varying levels of anthropogenic warming and climate variability ``, Geophys.
We will be able to give probabilistic estimates of the climate's transient sensitivity to greenhouse gas increases and will have an improved understanding of the response of sea ice, precipitation, and temperature extremes to warming.
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.
The largest unknown for future sea level rise is caused by uncertainty in the predicted response of the Antarctic ice sheet to global warming.
Tonyb, In response to your first post I think you should be aware that Grindsted et al. 2010 addressed the Sea Level Rise Issue for the Medieval Warm Period (MWP) and has shown that sea levels at the peak height of the MWP were 12 - 22 cm higher than todSea Level Rise Issue for the Medieval Warm Period (MWP) and has shown that sea levels at the peak height of the MWP were 12 - 22 cm higher than todsea levels at the peak height of the MWP were 12 - 22 cm higher than today.
agreement that the warming to date would have reduced Arctic sea ice, there is no such consensus for the Antarctic, with at least some models having simulated sea ice growth in response to moderate warming before switching to sea ice shrinkage from additional warming (e.g., Manabe et al., 1992; see also Liu and Curry, 2010).
Sea level rise is happening everywhere, as ice caps and glaciers melt and the seas rise in response to global warming driven by prodigal human combustion of fossil fuels, and researchers have advanced from general warning to the kind of detail that could help city and state planners prepare to cope with flood risks.
First, it's noteworthy how opinion has solidified on the point that bleaching (corals expelling their associated symbiotic zooxanthellae) is a response to higher temperature driven by general warming of the seas, rather than being due to locally specific causes.
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