Sentences with phrase «of sea level response»

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.

Not exact matches

There are the obvious ways: building and constantly improving the infrastructure necessary to predict hurricanes and other extreme weather, collecting images of disasters to guide emergency response workers, and tracking sea level changes around the world that affect coastlines and the Navy.

While Kahan focused on the importance of communication in organizing responses to sea - level rise, Rutgers University's Benjamin Horton explored the underlying scientific forces that drive sea - level increases.

A long record of ancient stone tools could tell us if the monkeys picked up tool use in response to an environmental stress, such as rapid sea level changes, for example.

«Connection of sea level and groundwater missing link in climate response.»

The new metric may help engineers determine how the shape of a delta, such as the Mississippi's, may shift in response to engineered structures such as dams and levees, and environmental changes, such as hurricane activity and sea - level rise.

But the responses from individual installations provide a «preliminary qualitative picture of assets currently affected by severe weather events as well as an indication of assets that may be affected by sea level rise in the future,» the report says.

If we instead consider our clean up efforts to be a form of adaptation to prior mess making, then we have a choice between effective adaptation in the clean up and panicked and unseemly adaptation in the response to sea level rise etc....

Three issues of importance to the future of coral reefs are highlighted: (1) the role of multiple stressors and synergies; including sea level rise, storm impacts, fisheries impacts, water quality, and biotic responses, (2) the nature of resilience, and (3) the importance of domino effects.

In permanently installed benthocosms, a research group investigates responses of bottom - dwelling communities of the Baltic and North Sea when exposed to future temperature and carbon dioxide levels.

Despite these caveats, we have shown that the model realistically simulates meridional changes of sea level pressure in response to climate forcings (Sect. 3.8.5).

Together these influences drove exceptional moisture transports into the continent's interior (Fig. 3a) and were likely responsible for one of the wettest intervals in Australia's recorded history, the intensity and persistence of its terrestrial storage anomaly, and a considerable fraction of the global sea level response.

Glacial Isostatic Adjustment (GIA) occurs in response to retreating ice from the last glacial period, where around most of the world, land is subsiding at a fraction of a millimetre per year, compounding the problem of sea - level rise.

«Many studies, albeit not all, have found that most of the responses to sea ice losses are confined to polar latitudes and lower atmospheric levels.

The imprint of SAM variability on the Southern Ocean system is observed as a coherent sea level response around Antarctica (Aoki, 2002; Hughes et al., 2003) and by its regulation of Antarctic Circumpolar Current flow through the Drake Passage (Meredith et al., 2004).

We analyzed six time slices of shoreline position over the past 118 yr at 29 islands of Funafuti Atoll to determine their physical response to recent sea - level rise.

The potential for unstable ice sheet disintegration is controversial, with opinion varying from likely stability of even the (marine) West Antarctic ice sheet [94] to likely rapid non-linear response extending up to multi-meter sea level rise [97]--[98].

Facing the combination of rising sea - levels and the increased likelihood and intensity of violent weather events, disaster response will have to get more technological.

Instead, we see in the distribution of responses a broad scientific «mainstream» with a normal spread (the large hump of three bars centered on 100 cm, in which I also find myself), complemented with a long tail of about a dozen «pessimists» who are worried about a much larger sea - level rise.

[this is useful, the pre-ice age era, ~ 2.5 — 3.6 million years ago, last time CO2 levels were as high as today] In response to Pliocene climate, ice sheet models consistently produce near - complete deglaciation of the Greenland ice sheet (+7 m) and West Antarctic ice sheet (+4 m) and retreat of the marine margins of the Eastern Antarctic ice sheet (+3 m)(Lunt et al., 2008; Pollard and DeConto, 2009; Hill et al., 2010), altogether corresponding to a global mean sea level rise of up to 14 m.

And at the high temperatures that produce extreme rises in sea level, predicting the response of the climate system is difficult.

From recent instrumental observations alone we are therefore unable to predict whether mass loss from these ice sheets will vary linearly with changes in the rate of sea - level rise, or if a non-linear response is more likely.

In response, global sea level rises, increasing the threat of coastal inundation during storms.

«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.»

Also protection costs will rise disproportionately with higher sea level, according to Nicholls et al: «[A] dike required in response to a 2m rise in sea level is assumed to be four times the cost of that required for a 1m rise in sea level.»

[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.

Glacial Isostatic Adjustment (GIA) occurs in response to retreating ice from the last glacial period, where around most of the world, land is subsiding at a fraction of a millimetre per year, compounding the problem of sea - level rise.

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».

Of course I can not prove that my choice of a ten - year doubling time for nonlinear response is accurate, but I am confident that it provides a far better estimate than a linear response for the ice sheet component of sea level rise under BAU forcinOf course I can not prove that my choice of a ten - year doubling time for nonlinear response is accurate, but I am confident that it provides a far better estimate than a linear response for the ice sheet component of sea level rise under BAU forcinof a ten - year doubling time for nonlinear response is accurate, but I am confident that it provides a far better estimate than a linear response for the ice sheet component of sea level rise under BAU forcinof sea level rise under BAU forcing.

[Response: Current trends in sea level rise are larger (> 3mm / year), and estimates of future changes rely on more that the excel linear regression routine.

[Response: I don't recall his paper at this level of detail but the Arctic sea ice and the coral reefs are already being hurt, although in the case of corals they're also impacted by local pollution and fishing and ocean pH. So it makes sense to me that a target CO2 with respect to these issues might be lower than the number that stuck in my head from his paper, 350 ppm.

Update, 3:53 p.m. I just recalled that my old friend Mike Lemonick wrote an excellent piece in 2012 for Climate Central focused on the response of coastal communities in Florida to sea - level realities.

Ian Joughin made some statements recently [context] that I thought were pretty solid about it being a few centuries before this kind of very rapid sea level rise can take place and that makes sense to me because there are some very important things that you have to do in order to turn on the rapid response of the Antarctic ice sheet — you have to get rid of a couple of big ice shelves for starters.

The simple approach is only valid for the initial sea level response to large and rapid rise in global temperature, as sketched in Fig. 1 of my paper.

The processes of land subdivision and development set in place urban features that last for millenia (the layout of streets in Rome, London, Florida etc), and so it is sensible today to start building all new infrastructure (roading layouts, utilities etc) to facilitate a logical response to the progressive sea level rise and withdrawl from the coastal areas.

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.»

The problem is that for most purposes (fluxes of heat into the oceans, and hence ocean warming and hence sea level rise; or biosphere responses) what you care about * is * the surface temperature.

[Response: The flaw in your argument is the long response time of seResponse: The flaw in your argument is the long response time of seresponse time of sea level.

Dorothy Atwood, one of the course participants, notes that «the reality of increasingly dangerous climate change — the rising temperatures and sea levels; the droughts, floods and stronger storms; the acidic oceans; the increasing forest fires; the expanding health dangers; the economic costs of floods, drought, hurricanes and sunken coastal cities — are very real to us and demand our personal and group response because it makes both environmental and economic sense to change the way we live and solve these problems.»

The comments we got back on our work were overwhelmingly positive, and were along the lines that what we had presented was a good next step — both to move past the IPCC's low sea level forecasts, and as a response to the persistent hypotheses of very high rates of sea level rise that were circulating.

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.

Also, there are dangers to CO2 emission other than the peak, such as the long tail of the CO2 perturbation which will dominate the ultimate sea level response, and the acidification of the ocean.

I have three immediate responses: Satisfaction in the great success of the collaboration, concern that this slightly increases worries about future sea - level rise from human - caused warming, but technical questions that may leave us more - or-less where we were before on the biggest picture.

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.

[Response: Greenland ice is good for 7 metres and the WAIS for 6 metres of sea level rise.

One set of researchers reports in Science Advances that, in response to El Niño, Western Pacific sea levels will fall and rise more frequently by 2100.

New Zealand coastal geomorphologist Paul Kench, of the University of Auckland's School of Environment, and colleagues in Australia and Fiji,... found that reef islands change shape and move around in response to shifting sediments, and that many of them are growing in size, not shrinking, as sea level inches upward.

JC comments: When I raise the issue of emphasizing adaptation over mitigation, the response I often get is that the sea level rise issue is so global and overwhelming that mitigation is the only sensible way to deal with the global sea level rise.