Although climate fluctuations are normal,
the rapid global warming in the past three decades, from an already warm level, is highly unusual.
From my perspective, the case is closed... the primary cause of
the rapid global warming in progress is the billions?
The apparent attempts to cover up problems with temperature data from the Chinese weather stations provide the first link between the email scandal and the UN's embattled climate science body, the Intergovernmental Panel on Climate Change, as a paper based on the measurements was used to bolster IPCC statements about
rapid global warming in recent decades.
The study, which appears in Nature Geoscience, found that climate models explain only about half of the heating that occurred during a well - documented period of
rapid global warming in Earth's ancient past.
Children born today will live through an era of
rapid global warming in which the future of the climate no longer looks like the past.
«The study found that climate models explain only about half of the heating that occurred during a well - documented period of
rapid global warming in Earth's ancient past.
The study noted that the same climate models the UN IPCC uses can only «explain only about half of the heating that occurred during a well - documented period of
rapid global warming in Earth's ancient past.»
Not exact matches
It found the
rapid pace of
global warming and the slow pace of coral growth meant the reef was unlikely to evolve quickly enough to survive the level of climate change predicted
in the next few decades.
Its appeal is complex, drawing on belief
in anthropogenic
global warming and trust
in the «scientific consensus» behind it; the Great Recession and a protective reaction to
rapid social change; a basic need for the concrete, local, and personal; the waning of religious observance; peer pressure, star power, money, and more.
«If we do take
rapid action to counter
global warming and slow the rise
in temperatures, southern storms tracks are likely to return to a more northerly position.
Inertia toward continued emissions creates potential 21st - century
global warming that is comparable
in magnitude to that of the largest
global changes
in the past 65 million years but is orders of magnitude more
rapid.
The
rapid northerly shifts
in spawning may offer a preview of future conditions if ocean
warming continues, according to the new study published
in Global Change Biology by scientists from the Pacific States Marine Fisheries Commission, Oregon State University and NOAA Fisheries» Northwest Fisheries Science Center.
Himalayan glaciers are beating a
rapid retreat
in the face of
global warming, according to a flurry of recent reports by BBC and other mass media.
Are Himalayan glaciers beating a
rapid retreat
in the face of
global warming?
And
global warming is so
rapid — as fast as any
warming in the past 65 million years — that species already under pressure from habitat loss and overexploitation are at greater risk of extinction.
This represents a return to the
rapid rates of
global surface
warming — around 0.2 °C per decade — last seen
in the 1990s.
This model does not, however, explain one of the most puzzling features of this
rapid deglaciation; namely the
global formation of hundreds of metres thick deposits known as «cap carbonates»,
in warm waters after Snowball Earth events.
An increase (0.35 °C) occurred
in the
global average temperature from the 1910s to the 1940s, followed by a slight cooling (0.1 °C), and then a
rapid warming (0.55 °C) up to the end of 2006 (Figure 1).
While the outlook for reefs
in the fact of today's
rapid global warming is exceptionally serious, the authors provide remedial options for management interventions that will increase reef resilience, including: a) reduce the harvest of herbivorous fish to sustainable levels, b) protect sharks and other top predators, c) manage all aspects of water quality, and d) diminish direct anthropogenic impacts and stressors.
Reviewing the evidence, the authors concluded that
rapid global warming is likely
in the next few years.
However, Petrenko found that the gradual, natural
global warming and
rapid regional
warming that characterized the deglaciation 12,000 years ago — events that were
in some aspects comparable to the current human - driven
global warming — did not trigger detectable releases of methane from these reservoirs.
Study shows 52,000 square miles
in rapid decline, with sediment and carbon threatening the surrounding environment and potentially accelerating
global warming.
By Kenneth Richard Geophysicist and tectonics expert Dr. Aftab Khan has unearthed a massive fault
in the current understanding of (1)
rapid sea level rise and its fundamental relation to (2)
global - scale
warming / polar ice melt.
At that point
in geological history,
global surface temperatures were rising naturally with spurts of
rapid regional
warming in areas like the North Atlantic Ocean.
This
warming has been linked to a similarly
rapid increase
in the concentration of greenhouse gases
in Earth's atmosphere, which acted to trap heat and drive up
global temperatures by more than 5 °C
in just a few thousand years.
The discovery of other, smaller magnitude,
rapid greenhouse
warming events (called hyperthermals)
in the millions of years following the PETM provides further opportunities to examine the response of organisms to
global climate change.
«A
rapid cutback
in greenhouse gas emissions could speed up
global warming... because current
global warming is offset by
global dimming — the 2 - 3ºC of cooling cause by industrial pollution, known to scientists as aerosol particles,
in the atmosphere.»
However, I don't agree that Al Gore is sensationalizing hurricanes — what Gore is saying is certainly
in the realm of possibilities, and although Gore's general message is dead on (and I do think is being confirmed by events such as
rapid arctic melting), I don't expect 100 % certainty
in his predictions (especially since it seems that the lessening of snow on Mt. Kilimanjaro isn't due to
global warming.
In other words, a DO event (brought on this time by anthropogenic
global warming) should be seen as larger and more
rapid climate change than anthropogenic
global warming.
In other words, the total heat accumulation won't abruptly rise (which is impossible per the above article), but abrupt climate change will affect heat distribution, which will unbalance eco-systems, which will led to
rapid global warming (i.e.
rapid heat accumulation).
But the pause has persisted, sparking a minor crisis of confidence
in the field... On a chart of
global atmospheric temperatures, the hiatus stands
in stark contrast to the
rapid warming of the two decades that preceded it.
Terrell Johnson, reporting on a recent NASA publication concluding that deep ocean temperatures have not increased since 2005 (http://www.weather.com/science/environment/news/deep-ocean-hasnt-warmed-nasa-20141007): «While the report's authors say the findings do not question the overall science of climate change, it is the latest
in a series of findings that show
global warming to have slowed considerably during the 21st century, despite continued
rapid growth
in human - produced greenhouse gas emissions during the same time.»
In my opinion, these events only work one way (i.e. to make
global warming more
rapid).
In the PR, I included a general comment that GHG emissions were the main cause of
rapid global warming based on an enormous number of well documented reports and evidence.
The fact that Christy and Pielke Sr. are scientists allows their skeptical positions on
rapid GHG driven
global warming to be even harder to deal with when I attempt to inform people that
rapid GHG driven
global warming is happening and that humans need to act quickly to reduce GHG emissions
in order to delay and to reduce the catastrophe that lies ahead due to
global warming.
«Climate dice,» describing the chance of unusually
warm or cool seasons relative to climatology, have become progressively «loaded»
in the past 30 years, coincident with
rapid global warming.
I was pleased to read
in your blog that at least some climate scientists are now worried enough about
rapid global warming that they encourage investigation of «geoengineering» ways to cool the earth.
a) atmospheric CO2 from human activity is a major bause of observed
warming in the 1980's and 1990's, c) that
warming is overstated due to a number of factors including solar effects and measurement skew d) the data going back 150 years is of little reliability because it is clustered so heavily
in northeast america and western europe rather than being
global e) the
global climate has been significantly shifting over the last thousand years, over the last ten thousand years, and over the last hundred thousand years; atmospheric CO2 levels did not drive those changes, and some of them were
rapid.
The other possibility is that the models are wrong, the quantification of the
warming in the north is wrong and the mechanisms are not understood, these unknown mechanisms are causing a much more
rapid warming, that they asymmetrically affect the north and not the south, and - for reasons I don't see but which I'm sure are very good - you are convinced these mechanisms are driven by
global warming.
Additionally the oceanic
warming and cooling cycles introduce constant,
rapid and substantial changes not yet reflected
in any models and which invalidate any averaged
global estimates of the planetary heat budget.
In spite of all the
global hot spots, (and the increasingly
rapid overall planetary
warming), the climate engineers are throwing everything they can at «winter storm Ferus».
In March 2009, Michaels, under the auspices of the Cato Institute, circulated a draft advertisement that stated: «Surface temperature changes over the past century have been episodic and modest and there has been no net
global warming for over a decade now... The computer models forecasting
rapid temperature change abjectly fail to explain recent climate behavior.»
While
global temperatures may only have risen a little
in the last decade,
in the Arctic fast, exceptional and uniquely
rapid warming has continued.
Sea level rise, ocean acidification and the
rapid melting of massive ice sheets are among the significantly increased effects of human - induced
global warming assessed
in the survey, which also examines the emissions of heat - trapping gases that are causing the climate change.
«At the end of the last ice age around 11,000 years ago, the ice sheet went through a period of
rapid, sustained ice loss when changes
in global weather patterns and rising sea levels pushed
warm water closer to the ice sheet — just as is happening today,» NASA said.
Richard Allan, reader
in climate science at the University of Reading, said: «
Global warming is not «at a standstill» but does seem to have slowed down since 2000
in comparison to the
rapid warming of the world since the 1970s.»
In 1975 Wallace Broeker (the guy who first used the phrase «global warming», predicted a rapid transition to warming in the 1980s, caused by a combination of rapidly rising CO2 emissions and a natural temperature cycle (derived from work on Greenland ice cores at Camp Century) which showed a rapid warming phase up to 1940, followed by the cooling phase which was attenuated by CO
In 1975 Wallace Broeker (the guy who first used the phrase «
global warming», predicted a
rapid transition to
warming in the 1980s, caused by a combination of rapidly rising CO2 emissions and a natural temperature cycle (derived from work on Greenland ice cores at Camp Century) which showed a rapid warming phase up to 1940, followed by the cooling phase which was attenuated by CO
in the 1980s, caused by a combination of rapidly rising CO2 emissions and a natural temperature cycle (derived from work on Greenland ice cores at Camp Century) which showed a
rapid warming phase up to 1940, followed by the cooling phase which was attenuated by CO2.
Harvard economics professor N. Gregory Mankiw wrote
in Fortune magazine: «Cutting income taxes while increasing gasoline taxes would lead to more
rapid economic growth, less traffic congestion, safer roads, and reduced risk of
global warming — all without jeopardizing long - term fiscal solvency.
All
in rapid real time, while a third cast of thousands seeks emphatic endorsement of interpretations that add or subtract from the
global warming meme without too much regard for the toils of the other groups.
What is concerning is the possibility that
rapid global warming could occur faster than many people believe is possible, if global warming due to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human Extinc
global warming could occur faster than many people believe is possible, if global warming due to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human Extin
warming could occur faster than many people believe is possible, if
global warming due to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human Extinc
global warming due to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human Extin
warming due to atmospheric carbon dioxide causes the Earth's atmosphere to
warm enough to release enormous deposits of frozen methane (CH4) that are stored
in the permafrost above the Arctic Circle and
in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To
Global Warming Could Cause Human Extinc
Global Warming Could Cause Human Extin
Warming Could Cause Human Extinction).