«As we have more of these extreme events, the impacts will then be compounded
by accelerating sea level rise.»
Not exact matches
The gathering will draw approximately 400 representatives from other Arctic nations and interested foreign observers, and will give Obama a platform to highlight how changes in the Arctic will affect the rest of the world
by accelerating warming, contributing to
sea -
level rise and changing precipitation patterns at lower altitudes.
A separate report indicated that the rate of global
sea -
level rise had
accelerated during the 20th century; if it continues as predicted,
by 2100
seas will lap shores 12 inches higher than they did in 1990.
He says previous predictive models of Greenland's ice loss did not adequately take into account the faster movement of its southern glaciers, which is
accelerating the amount of ice entering the ocean: «Greenland is probably going to contribute more to
sea level rise, and faster than predicted
by these models.»
«There are suggestions in the literature that
accelerated breakup of ice shelves will lead to
rise of
sea level by several meters
by the end of the century,» Godin said.
Stefan Rahmstorf, a German climatologist whose research led scientists to reconsider
accelerated sea -
level rise, said an embattled report
by North Carolina experts, recommending that the state prepare for a 39 - inch
rise by 2100, is a reasonable policy when building homes and infrastructure.
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.
«This acceleration, driven mainly
by accelerated melting in Greenland and Antarctica, has the potential to double the total
sea level rise by 2100 as compared to projections that assume a constant rate — to more than 60 cm instead of about 30.»
Greenhouse gases are already having an
accelerating effect on
sea level rise, but the impact has so far been masked
by the cataclysmic 1991 eruption of Mount Pinatubo in the Philippines, according to a new study led
by the...
The paper highlights the «loud divergence between
sea level reality» and «the climate models [that] predict an
accelerated sea -
level rise driven
by the anthropogenic CO2 emission.»
This
sea level curve is the integral of the curve in Fig. 1 and thus contains the same information, but when viewed in this way it is hard to judge
by eye whether
sea -
level rise has
accelerated.
This means that if the climatic conditions remain unaltered, then the melt of the Greenland ice will
accelerate and
sea level will
rise by 5 metres.
«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.»
It is a sweeping and valuable cross-disciplinary description of ways in which climate and ocean dynamics, pushed
by the planet's human - amplified greenhouse effect, could
accelerate sea level rise far beyond the range seen as plausible in the last report from the Intergovernmental Panel on Climate Change and the most recent review of what leading experts on
sea level think, this 2014 paper: «Expert assessment of
sea -
level rise by AD 2100 and AD 2300.»
In New Orleans, geophysical vulnerability is characterized
by its below -
sea level, bowl - shaped location, its
accelerating subsidence,
rising sea level, storm surges, and possible increased frequency of larger hurricanes from climate change.
Alarmed at the pace of change to our Earth caused
by human - induced climate change, including
accelerating melting and loss of ice from Greenland, the Himalayas and Antarctica, acidification of the world's oceans due to
rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods, including glacial lakes outburst loods, in many regions and higher
levels of
sea -
level rise than estimated just a few years ago, risks changing the face of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over,
A paper
by Houston & Dean studies 57 tide gauge records from the U.S. (including Hawaii and oceanic territories) and concludes that
sea level rise has not
accelerated.
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.
2/29/16 —
Sea levels on Earth are
rising several times faster than they have in the past 2,800 years and are
accelerating because of human - driven global warming, according to new studies reported
by the Associated Press.
The northern melting will likely add to
sea level rise explains lead author, Shfaqat Abbas Khan: «If this activity in northwest Greenland continues and really
accelerates some of the major glaciers in the area — like the Humboldt Glacier and the Peterman Glacier — Greenland's total ice loss could easily be increased
by an additional 50 to 100 cubic kilometers (12 to 24 cubic miles) within a few years.»
If emissions of carbon dioxide, nitrous oxide, and methane are all allowed to
accelerate to 2050, they could cause three feet of
sea -
level rise by 2900 through thermal expansion alone.
Small islands, for example, are a paltry source of carbon emissions and yet are disproportionately affected
by the consequences of global carbon overload as
accelerated sea level rise threatens the very existence of low - lying islands.
A new study
by NASA has indicated that climate change has
accelerated the global
sea level rise in the past few decades.
He explains how measurements since the early 1990s show that Greenland and Antarctica are losing ice at an
accelerating rate, which, if unchecked, will result in about 1 metre of
sea level rise by the end of the century, and 6 - 9 metres in the next few hundred years.
The vulnerable nations declared that they are, «Alarmed at the pace of change to our Earth caused
by human - induced climate change, including
accelerating melting and loss of ice from Greenland, the Himalayas and Antarctica, acidification of the world's oceans due to
rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods, including Glacial Lakes Outburst Floods, in many regions and higher
levels of
sea -
level rise than estimated just a few years ago, risks changing the face of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over...»
The practice of attributing an
accelerating sea level rise to Antarctic ice melt caused
by increased CO2 has long been disturbing.
A study
by researchers from the University of Colorado - Boulder showed that global
sea level is on the
rise at an
accelerating rate.
In other words, linear projections of
sea level rise are likely to be widely off the mark
by the end of the 21st Century as the net flow from cryosphere to ocean is looking to be nonlinearly
accelerating.
A more clearly - defined
accelerated phase of
sea level rise occurred between 14,600 to 13,500 years before present (termed «meltwater pulse 1A» or «MWP - 1A»
by Fairbanks in 1989), when
sea level increased
by some 16 to 24 m (see Figure 1).
These include claiming that addressing climate change will keep the poor in «energy poverty»; citing the global warming «hiatus» or «pause» to dismiss concerns about climate change; pointing to changes in the climate hundreds or thousands of years ago to deny that the current warming is caused
by humans; alleging that unmitigated climate change will be a good thing; disputing that climate change is
accelerating sea level rise; and denying that climate change is making weather disasters more costly.
The loud divergence between
sea -
level reality and climate change theory — the climate models predict an
accelerated sea -
level rise driven
by the anthropogenic CO2 emission — has been also evidenced in other works such as Boretti (2012a, b), Boretti and Watson (2012), Douglas (1992), Douglas and Peltier (2002), Fasullo et al. (2016), Jevrejeva et al. (2006), Holgate (2007), Houston and Dean (2011), Mörner 2010a, b, 2016), Mörner and Parker (2013), Scafetta (2014), Wenzel and Schröter (2010) and Wunsch et al. (2007) reporting on the recent lack of any detectable acceleration in the rate of
sea -
level rise.
According to a study published Monday, global
sea level rise is
accelerating as a result of ocean water warming and sooner - than - expected ice loss from the west Antarctica and Greenland ice sheets, and could reach 26 inches
by 2100.
Alarmingly, recent
accelerated melting on the Greenland and West Antarctic ice sheets — which together contain enough ice to raise global
sea level by 39 feet — means that
seas could
rise even faster than predicted.
16
Sea level rising by thermal expansion AND ice melt
Sea ice melting (Arctic and Antarctic) Glaciers melting worldwide Arctic and Antarctic Peninsula heating up fastest Melting on ice sheets is
accelerating More severe weather (droughts, floods, storms, heat waves, hard freezes, etc.) Bottom line: These changes do not fit the natural patterns unless we add the effects of increased Greenhouse gasses Signs that global warming is underway
The paper highlights the «loud divergence between
sea level reality» and «the climate models [that] predict an
accelerated sea -
level rise driven
by the anthropogenic CO2 emission.»
Meanwhile, scientists are concerned that the rate of
sea level rise could further
accelerate in a world forced to rapidly warm
by human fossil fuel burning.
(Over the past 25 years, the rate of
sea level rise has been
accelerating by 0.08 mm per year.
And more recent estimates of the Antarctic mass balance contribution to
sea level rise has the East Antarctica ice sheet gaining mass at a more
accelerated pace for 2003 - 2013 than the mere +14 Gt per year identified
by Shepherd et al. (2012) for 1992 - 2011.
The latest research that takes into account
accelerating ice loss estimates
sea level rise by the end of this century of between 75 cm to 190 cm (Vermeer 2009).
In many coastal cities, tidal flooding is recurring much more frequently today than only a few years ago, because of the small but inexorable year -
by - year
rise in
sea levels, and the rate of recurrence is
accelerating (Sweet and Park 2014).
One degree can make a huge difference in the natural world and we're on track to warm the planet 2 — 4 degrees Celsius
by 2100,
accelerating glacial melt,
sea -
level rise, and other changes.
Global warming is now
accelerating the rate of
sea level rise, increasing flooding risks to low - lying communities and high - risk coastal properties whose development has been encouraged
by today's flood insurance system.
And although
accelerating glaciers look alarming, consider: 100 Gte / yr (one hundred billion tonnes) of ice - melt anywhere on the globe approximates to 0.28 mm / yr in
sea -
level rise; so 5 gte / yr for this glacier is 0.014 mm / yr or 1.19 mm
by 2100.
Increasing temperature and heavier precipitation events, along with
sea level rise, are projected
by the report to
accelerate in the coming decades, increasing risks for the people, economy and infrastructure of New York City.
And well, things don't look good: «The U.N. panel of climate scientists has projected that world
sea levels will
rise by between 18 and 59 cm this century, or more if a thaw of vast ice sheets in Antarctica or Greenland
accelerates.»
A few months ago a paper
by Jim Houston and Bob Dean in the Journal of Coastal Research (JCR) cast doubt on whether global
sea level rise has
accelerated over the past century or so.
As team leader Martyn Tranter, a biogeochemist at the University of Bristol in the United Kingdom, explains, «We're driven
by curiosity, but also the fear that all this new biology may
accelerate global
sea level rise.»
This expansion, combined with the melting of land - based ice, has caused global average
sea level to
rise by roughly 7 - 8 inches since 1900 — a trend that is expected to
accelerate over coming decades.