Not exact matches
Changes in the number of cosmic rays hitting the atmosphere due to changes in solar activity can not
explain global warming, as average cosmic ray intensities have been increasing since 1985 even as the world has warmed — the opposite of what should happen if cosmic rays produce climate -
cooling clouds.
«These strategies range from lighter colored roofs or road surfaces» that could reflect sunlight,
cooling cities, «to something as controversial as putting particles high in the stratosphere,»
explains Ken Caldeira, a climate modeler at the Carnegie Institution's Department of
Global Ecology at Stanford University.
So the report notes that the current «pause» in new
global average temperature records since 1998 — a year that saw the second strongest El Nino on record and shattered warming records — does not reflect the long - term trend and may be
explained by the oceans absorbing the majority of the extra heat trapped by greenhouse gases as well as the
cooling contributions of volcanic eruptions.
First, stratospheric T 100 - 50 hPa has a
global cooling trend for past 50 years (see Sterin thereafter for example), but how could we
explain that if TSI has no change at all, particularly since 1980 (PMOD composite)?
Cooling sea - surface temperatures over the tropical Pacific Ocean — part of a natural warm and cold cycle — may
explain why
global average temperatures have stabilized in recent years, even as greenhouse gas emissions have been warming the planet.
The black and white comic features some pretty good art - style and some
cool animations as you scroll down the page that enhance the experience, if you are at all interested in ZombiU — you will want to check this out as it
explains the first 14 days of the
global infection leading to the events found in - game.
I am still waiting for you to
explain why the stratosphere has been
cooling (it should be warming if the sun / natural causes are the cause of
global warming) without violating the 1st Law of Thermodynamics (look it up and learn).
317 Dan sez: «I am still waiting for you to
explain why the stratosphere has been
cooling (it should be warming if the sun / natural causes are the cause of
global warming) without violating the 1st Law of Thermodynamics (look it up and learn).
On the possibility of a changing cloud cover «forcing»
global warming in recent times (assuming we can just ignore the CO2 physics and current literature on feedbacks, since I don't see a contradiction between an internal radiative forcing and positive feedbacks), one would have to
explain a few things, like why the diurnal temperature gradient would decrease with a planet being warmed by decreased albedo... why the stratosphere should
cool... why winters should warm faster than summers... essentially the same questions that come with the cosmic ray hypothesis.
I particularly enjoyed the slides that, when combined (1) provided an overview of hotter and
cooler CO2 molecules as it relates to how they are seen from outer space and from profile — because this will make it easier for me to
explain this process to others; (2) walked through the volcanic and solar activity vs assigning importance to CO2 changes — because this another way to help make it clearer, too, but in another way; (3) discussed CO2 induced warming and ocean rise vs different choices we might make — because this helps point out why every day's delay matters; and (4) showed Figure 1 from William Nordhaus» «Strategies for Control of Carbon Dioxide» and then super-imposed upon that the
global mean temperature in colors showing pre-paper and post-paper periods — because this helps to show just how far back it was possible to make reasoned projections without the aid of a more nuanced and modern understanding.
It also helps
explain the initial
cooling after the Industrial Revolution began (the smoke effect overwhelmed the relatively weak warming effect back then), the increase of
global temperture during WW2 (shut down of industries) and decrease after WW2 (re-industrialization) and acceleration in the 1970's after the passage of the Clean Air Act.
Now the proponents of
global warming have to
explain the
cooling that has taken place over the last 10 years and suddenly their citing the same oscillations to
explain the
cooling.
An excellent documentary about the
cooling explains the phenomenon very well:
Global Diming Free online: / / www.documentary-film.net /
The
Global Cool website
explains:
The stratosphere is
cooling as predicted by anthropogenic
global warming theory (this can not be
explained by solar variability) 4.
Humanity is powerless over whatever comes our way from the only truly independent variable — the Sun — that
explains both
global warming AND
global cooling.
But their PNAS publication also referred to natural climate cycles, superimposed on the trend line, like ENSO and solar variability, both of which have been net contributors to
global cooling over 1998 - 2008 [so climate skeptics can not — as they still do — point to either the Sun or El Niño to
explain the world's temperature graph over that period of time].
Now a modelling study by researchers at the Scripps Institution of Oceanography in La Jolla, California, indicates that a decadal La Niña - like
cooling trend affecting as little as 8 % of Earth's surface can
explain the slower rise in
global temperatures.
Having established that the
global temperature monthly anomalies plummeted by -0.75 C in the last 10 months using RSS data, can you
explain the mechanism for that
cooling?
The Antarctic Refrigerator Effect is such an effect and parsimoniously
explains Cenozoic
global cooling without invoking a CO2 contribution.
This morning (1-10-2015) on a website called NEWSMAX, a site by Ronald Reagan's son Michael, the lead story is something about the unnatural cold temperatures in Virginia, which is
explaining away
global warming by suggesting (with various kinds of scientific data) that we are just entering a «natural» 30 year cycle of
cooling off.
The programme failed to point out that scientists had now
explained the period of «
global cooling» between 1940 and 1970.
Then by reversing the sign of aerosols they were able to «
explain» the «
global»
cooling from 1945 to 1975, but not the magic drop in temperatures from 1940 to 1945 or the magic drop in temperatures from 1905 to 1915.
(5)
explains the cause of the slowdown in
global warming after around 2000 —
cooling from increased Eastern SO2 emissions offset the warming caused by Western Clean Air efforts, resulting in a net slowdown in the rate of decreasing
global SO2 emissions.
The large number of sites reporting
cooling might help
explain some of the skepticism of
global warming,» Rohde commented.
«The science of climate dynamics: continues to publish findings about solar / climate relationships and internal variability of the climate system that invalidate the account of the Earth's climate dynamics presented by the IPCC; predicts the likelihood of an extended period of
global cooling, if the emergent solar cycle 24 has a low amplitude, as seems increasingly likely on the basis of current science,» Mackey
explained.
The 25 D - O events during the last glacial, where temperatures rose and fell by 5 to 10 degrees C (10 - 15 degrees C for Greenland) within a span of decades that were «
explained by internal variability of the climate system alone ``, deemed
global in scale, and they occurred without any changes in CO2 concentrations, which stayed steady at about 180 ppm throughout the warming and
cooling.
The background at any one time only contributed 0.02 c and this value is far two small to
explain the
cooling between the 1940's and 1970's plus the pausing of recent decade
global temperatures.
In the early 1970s, the United States Congress, exercised by the threat, held hearings where experts
explained to politicians the dangers of the new age of
global cooling, which, as Newsweek reported, would cause «droughts, floods, extended dry spells, long freezes, delayed monsoons, and even local temperature increases....»
Indeed, the «experts» have been unable to scientifically
explain why there has been a «hiatus» or «pause» in
global warning, let alone the
cooling trends experienced in various parts of the world.
«The first part will trace the history of scientific study of climate change, beginning with scientific inquiry into the formation and melting of the ice ages, periods of historical
cooling and warming, smog, ozone, nuclear winter, volcanoes, and
global warming,» the filing
explained.
It was a very handy cherry pick, as it both avoided forcing folks to have to
explain the inconvenient
cooling period from 1940 - 1980, and also put the start date at the bottom of a trough right before the «
global warming rise».
Actually, I'd bet dollars to doughnuts you will be
explaining to them why you are now hitching a ride on the budding «
Global Cooling» bandwagon, and that they need to deny their children and grandchildren the blessings which they enjoy because you are frightened about things which you do not understand, and so should they be, too.
So next time you're at a dinner party and someone says the earth is
cooling and throws some air quotes up when he says «
global warming,» here's a simple way to
explain it away.
Source:
Global «
cooling»: how will the IPCC
explain 15 - year temperature hiatus?
There is no reasonalbe explanation for why anyone would deny Earth's climate is the result of the holistic process we call nature and certainly no non-political explanation other than superstition or ignorance why and federal climatist would believe that a monophysical element like CO2 with properties as we observe on Earth could ever possible
explain global warming — especially when we know that the Sun is the only independent variable that nominally
explains both
global warming and
cooling.
The earliest criticism of
global climate models failing to consider cloud processes, that I can find so far, is from Professor Richard Lindzen in 2001, who
explained how a heat vent may
cool the planet by as much as two thirds of the projected
global warming.
How else does one
explain global warming /
cooling periods in the past long before modern civilization?
I'm looking forward to seeing how you dufuses will
explain the current and future
global cooling resulting from an inactive sun.
Regardless of the cause, which some have attempted to
explain as due to industrial aerosol
cooling, one can't accuse CO2 emissions of raising
global temperatures during a period when there was no such rise.
Even today, sulfate levels have not fallen much below where they were in the late 1960's, at the height of the
global cooling phenomena, and higher than most of the period from 1940 to 1979 where their production is used to
explain the lack of warming.
Cooler Smarter: Practical Steps for Low - Carbon Living (Island Press)
explains why your individual contribution is so vital to addressing this
global problem — and shows you the most effective ways to cut your own
global warming emissions by 20 percent or more.
This also
explains the shape of the historical
global temperature plots (straight up to start an interglacial, but then following natural
cooling curve downwards over much longer periods back to glacial equilibrium).
The internet's perverse algorithms select for «man bites dog» stories, which
explains why every yahoo with a «
global cooling», «imminent ice age» video gets pushed to the front of the queue.