To take the IPCC's average sea level rise of 38.5 cm (which, six years ago, it tipped at 48.5 cm) as a starting point, this would mean, according to some of the world's leading scientists, that Al Gore, who in his movie An Inconvenient Truth dramatically shows what the worlds coastlines would look
like were sea levels to rise by 6.1 m, is off by more than a factor of 15 times.
Not exact matches
As someone who
likes the
sea levels where they
are, I find taxing greenhouse gas emissions compelling,
like taxing cigarettes, which reduced smoking, extended lives, and increased revenues.
You could say that 2018
is still a young year and it
's way too early to judge things, which
is true, but the
level of volatility in both stocks and bonds during February
is making this year feel
like we've lived through two full years already, and I think what the markets
are signaling
is more likely to
be a
sea change than a blip.
«If you
're trying to detect change in something, you need long and continuous uninterrupted records of things
like the
sea ice or
sea level rise or Greenland's ice sheet,» Shepherd said.
Supposed calamities
like the accelerated rise of
sea level, ocean acidification, more extreme climate, tropical diseases near the poles, and so on
are greatly exaggerated.
Gore begins with hero scientists
like Roger Revelle, who first began to imagine the magnitude of this tragedy, and continues through the latest scientific findings,
like last fall's revelation that the ice over Greenland seems to
be melting much faster than anyone had predicted — news that carries potentially cataclysmic implications for the rate of
sea -
level rise.
Following recommendations offered by CoopeTarrazú agronomists, Araya also prepared for a roya (coffee - leaf rust) attack, which has begun to affect once - immune altitude regions
like Tarrazú — her farm
is located at 5,250 f. (1,600
m) above
sea level — due to global warming.
Grown at 2,200 feet above
sea level, Wild Horse Peak Mountain vineyard varietals include quality Cabs, Syrahs and Merlots that
are big and bold as the wild - west names given to their vineyard blocks,
like Dry Rock Gulch, Devil's Hole and Lone Boulder Ridge.
This recipe,
like most recipes,
is written for
sea level elevations.
Climate change experts have warned New York,
like New Orleans,
is suspectible to rising
sea levels, especially since much of its transportation and energy transmission infrastructure
is underground.
The researcher team agreed that including extreme
sea levels into coastal impact studies
is imperative in helping vulnerable parts of the world effectively protect themselves by adapting through new or upgraded infrastructure such as dikes, pumping systems, barriers, or other tools
like new building codes or flood zoning that prevents new infrastructure from
being built in high - risk areas.
The iconic cone -
like structure of Mount Etna could have
been created after water
levels in the Mediterranean
Sea rose following an extended period of deglaciation, according to new research.
But the study, published today in Earth's Future, finds that scientists won't
be able to determine, based on measurements of large - scale phenomena
like global
sea level and Antarctic mass changes, which scenario the planet faces until the 2060s.
«The findings of this paper demonstrate that long - term issues
like global
sea -
level rise
are certainly a threat to countries
like Bangladesh.
«The simulations showed that the only way to account for the proven increase in volcanic activity
was that the
level (and thus the weight) of the Mediterranean
Sea dropped by about two kilometres,» explains Sternai, before adding: «I leave it to you to imagine what the landscape looked
like.»
In northwest Africa, where what Werz has called an «arc of tension» runs through Nigeria, Niger, Algeria and Morocco, he said the projected massive population growth combined with small - onset changes brought about by climate change —
like sea -
level rise along the Niger Delta, the loss of hundreds of villages through desertification and the virtual disappearance of Lake Chad —
is bad enough.
Things
are really bad
like losing ice sheets, starting to raise
sea levels, where coastlines have to
be redrawn and people have to move.
Although storms
like Superstorm Sandy
are incredibly rare,
sea -
level rise has made a Sandy -
level inundation event 50 percent more likely than it
was in 1950 in areas
like the Battery and Sandy Hook, said William Sweet, a NOAA oceanographer.
«We conclude that coastal communities
are facing a looming crisis due to climate change related
sea -
level rise, one that will manifest itself as increased frequency of Sandy -
like inundation disasters in the coming decades along the mid-Atlantic and elsewhere, from storms with less intensity and lower storm surge than Sandy,» Sweet said.
Damages from extreme events
like floods
are even more relevant than the mean
sea level itself when it comes to the costs of climate impacts for coastal regions.
Global warming could seriously mess with fisheries in a few ways: Carbon dioxide in the air contributes to ocean acidification,
sea level rise could change the dynamics of fisheries, and cold water fish
like salmon could
be pushed out by warming streams.
cat team leader Paul Scott says, Without interferometry, any sort of observation would
be impossible at a
sea -
level site
like Cambridge.
And as they anticipate
sea -
level rise, the Quinault —
like their neighbors, the Hoh and Quileute tribes —
are planning to move some of their settlements to higher ground.
In a new paper, Hansen and colleagues warn that the current international plan to limit global warming isn't going to
be nearly enough to avert disasters
like runaway ice - sheet melting and consequent
sea -
level rise.
This
is a particularly useful region because the oxygen isotopic composition of the seawater
is largely determined by the flow of water through the Strait of Gibraltar, which in turn
is sensitive to changes in global
sea level — in a way
like the pinching of a hosepipe.
«Studying fossils from this period, when the
sea levels were very high and the landmasses across the Earth
were very fragmented,
is like looking at several independent experiments in dinosaur evolution.
Rohling: Yeah, so what we see
is that for a current
level of forcing, so 1.6 watts per meter square net forcing, if we look in the relationship that we now recognize between
sea -
level change and climate forcing, we
're are, more or less, looking at in the equilibrium state, natural equilibriumstate, where the planet would
like to
be that
is similar to where we
were 3.5 million years ago and that
's where we
're looking at
sea level, you know, at least 15 meters, maybe 25 meters above the present.
In the short term, the biggest threat to Florida's long - term existence in the context of
sea -
level rise
is also one of its most familiar threats: a big hurricane
like 1992's Andrew or 2012's Superstorm Sandy.
Lastly, it assumes that dikes will
be the dominant method of adapting to
sea -
level rise, when options
like dunes, wetlands and retreat
are some other possibilities.
All told, if the eastern and western Antarctic ice shelves
were to melt completely, they would raise
sea levels by as much as 230 feet (70 meters); the collapse of smaller shelves
like Larsen B has sped up the flow of glaciers behind them into the
sea, contributing to the creeping up of high tide
levels around the world.
By analyzing current building codes and the
like, the New York City Panel on Climate Change determined the acceptable
level of risk for its residents and
is now prioritizing projects that hold to those same
levels the perils from climate change impacts directly on the city, such as
sea -
level rise or more frequent heat waves.
«What I
like about this paper
is it shows the cost,» said Benjamin Horton, an expert on
sea -
level rise at Rutgers University who did not contribute to the paper.
Worse still, in places
like west Antarctica, ice sheets rest on land that
is below
sea level, and so could
be exposed directly to warm water.
DeConto and Pollard's study
was motivated by reconstructions of
sea level rise during past warm periods including the previous inter-glacial (around 125,000 years ago) and earlier warm intervals
like the Pliocene (around 3 million years ago).
What Girard has found
is that «it
's almost better to sit down and talk face to face with certain people,» to discuss broad topics
like sea -
level rise or the threat of storms
like Superstorm Sandy at the local
level, project by project rather than systematically.
Going to a billion - dollar radio facility
like ALMA, more than 16,000 feet above
sea level, and getting it to mesh with the rest of their network
is the kind of technological problem Doeleman relishes.
«As more albatrosses relocate to higher islands
like Oahu in response to
sea level rise, where mosquitoes
are more prevalent, this disease, and perhaps others, will become a more important threat to the species, so we need to understand more about it and how to prevent its transmission.»
About 100 of the valleys sit far below
sea level and
are attached to glaciers on Greenland's periphery that already
are shedding ice,
like Jakobshavn Isbræ glacier, said Morlighem.
Opponents
are concerned about the potential costs of restrictions related to
sea -
level rise,
like lost land to wetland status and degraded tax revenue.
Although scientists have stopped short of saying the collapse in the east
is inevitable, evidence
is building that the world could
be headed toward something
like the Pliocene Epoch 5.3 million years ago, when
sea levels were as much as 40 meters higher.
Global
sea level rise
is not cruising along at a steady 3 mm per year, it
's accelerating a little every year,
like a driver merging onto a highway, according to a powerful new assessment led by CIRES Fellow Steve Nerem.
Under the Obama administration, climate change has
been on the Department of Defense's radar from how it affects national security to how military installations around the world should prepare for climate impacts,
like sea level rise at naval bases, melting permafrost in the Arctic and more extreme rainfall events around the world.
There will also
be discussions of how to cope with the inevitable consequences of climate change —
like heatwaves, droughts and rising
sea levels — plus how to pay for it all.
I would
like to echo Mr. Edmonds inquiry as to the stability of the Pine Island and Thwaites glaciers which seem to connect directly to the Byrd Subpolar Basin, where the ice sheets
are grounded far below
sea level.
You would
be very hard - pushed to find a large number of geologists who would argue that humans
are creating modern climate change because in geology we've seen massive climate changes, we've seen
sea levels go up and down
like a yoyo.
Assessing local
sea - level change is challenging, even over a relatively small patch of the Earth like the Baltic S
sea -
level change
is challenging, even over a relatively small patch of the Earth
like the Baltic
SeaSea.
Future forecasts of climate models forced with greenhouse gas
levels as high as modern ones tend to result in Pliocene -
like climate (~ 3 million years ago) when
sea levels were estimated to
be 14 meters higher than they
are today.
If we thus want to know whether Harvey
is a «harbinger» for the future of Houston, the attribution question addressing the overall likelihood of a hurricane
like Harvey to occur, which includes many variables other than temperature and
sea level rise that interact, needs to
be answered by carefully estimating the likelihood of such hurricanes developing in a warming world as well as how much rain they bring.
Worldwide, small ice caps and glaciers have reacted particularly dynamically to worldwide increases in temperatures9 - 11, and it has
been proposed that the volume loss from mountain glaciers and ice caps
like these
is the main contributor to recent global
sea -
level rise12.
There
is so much ice there, just one glacier
like the Totten glacier can raise global mean
sea level by over one meter.