Not exact matches
These higher
temperatures mean Indianapolis will see a likely increase of up to 15 additional deaths per 100,000 residents
by late century, with a 1 - in - 20 chance of more than 31 additional deaths.
The autumn foliage season in some areas of the United States could come much
later and possibly last a little longer
by the end of the
century as climate change causes summer
temperatures to linger
later into the year, according to Princeton University researchers.
During the PETM, atmospheric carbon dioxide more than doubled and global
temperatures rose
by 5 degrees Celsius, an increase that is comparable with the change that may occur
by later next
century on modern Earth.
The full effects on the global climate will come
later, and even if the amount of CO2 in the atmosphere stabilises at double today's levels the International Panel on Climatic Change (IPCC) estimates that
by end of the 21st
century the global
temperature will have increased
by between 1.5 °C and 4.5 °C.
By JAMES UTLEY (see Graphic) William Henry Perkin observed in the late 19th century that the wonders in his Oxford garden were produced by nature at the modest temperatures of an English summer and without the use of concentrated sulphuric aci
By JAMES UTLEY (see Graphic) William Henry Perkin observed in the
late 19th
century that the wonders in his Oxford garden were produced
by nature at the modest temperatures of an English summer and without the use of concentrated sulphuric aci
by nature at the modest
temperatures of an English summer and without the use of concentrated sulphuric acid.
Late - summer water
temperatures near the Florida Keys were warmer
by nearly 2 degrees Fahrenheit in the last several decades compared to a
century earlier, according to a new study
by the U.S. Geological Survey.
The planet's average surface
temperature has risen about 1.8 degrees Fahrenheit (1.0 degree Celsius) since the
late - 19th
century, a change largely driven
by increased carbon dioxide and other human - made emissions into the atmosphere.
Figure 9.4: The maps show projected increases in the average
temperature on the hottest days
by late this
century (2081 - 2100) relative to 1986 - 2005 under a scenario that assumes a rapid reduction in heat - trapping gases (RCP 2.6) and a scenario that assumes continued increases in these gases (RCP 8.5).
The public, press and policy makers have been repeatedly told that three claims have widespread scientific support: Global
temperature has risen about a degree since the
late 19th
century; levels of CO2 in the atmosphere have increased
by about 30 % over the same period; and CO2 should contribute to future warming.
In the
later, it is clear how much closer
temperatures have come to the target the international community has set to keep warming within 2 °C (4 °F) above pre-industrial levels
by the end of the 21st
century.
The public, press and policy makers have been repeatedly told that three claims have widespread scientific support: Global
temperature has risen about a degree since the
late 19th
century; levels of CO2 [carbon dioxide] in the atmosphere have increased
by about 30 percent over the same period; and CO2 should contribute to future warming.
According to the
latest projections from the Intergovernmental Panel on Climate Change (IPCC), the projected
temperature rise
by the end of the
century ranges from about 1.1 to 6.4 °C, with a business - as - usual rise of around 3 °C (put me down for 1.6 ° until then, unless nature is being a blatant liar).
Unfortunately in most
temperature curves this is wiped out
by an imaginary «
late twentieth
century warming,» It is fake but is needed to support the fiction that Hansen in 1988 reported global warming to the Senate.
The reason you don't know about it is that it was covered up in official
temperature curves
by a fake warming called «
late twentieth
century warming.»
The relative simplicity of the curve of the long - term data — a decrease in
temperature from the
late 19th to the early 20th
centuries, followed
by a relatively steady increase to present — is extremely unusual for such a small area of the globe.
Because of global warming due to increasing greenhouse gases, the maps from the
late 1800s and the early 1900s are dominated
by shades of blue, indicating
temperatures were up to 3 °C (5.4 °F) cooler than the twentieth -
century average.
Springtime cold air outbreaks (at least two consecutive days during which the daily average surface air
temperature is below 95 % of the simulated average wintertime surface air
temperature) are projected to continue to occur throughout this
century.19 As a result, increased productivity of some crops due to higher
temperatures, longer growing seasons, and elevated CO2 concentrations could be offset
by increased freeze damage.20 Heat waves during pollination of field crops such as corn and soybean also reduce yields (Figure 18.3).4 Wetter springs may reduce crop yields and profits, 21 especially if growers are forced to switch to
late - planted, shorter - season varieties.
For corn, small long - term average
temperature increases will shorten the duration of reproductive development, leading to yield declines, 4 even when offset
by carbon dioxide (CO2) stimulation.5, 6 For soybeans, yields have a two in three chance of increasing early in this
century due to CO2 fertilization, but these increases are projected to be offset
later in the
century by higher
temperature stress7 (see Figure 18.2 for projections of increases in the frost - free season length and the number of summer days with
temperatures over 95 °F).
Model projections for precipitation changes are less certain than those for
temperature.12, 2 Under a higher emissions scenario (A2), global climate models (GCMs) project average winter and spring precipitation
by late this
century (2071 - 2099) to increase 10 % to 20 % relative to 1971 - 2000, while changes in summer and fall are not expected to be larger than natural variations.
Figure 9.4: The maps show projected increases in the average
temperature on the hottest days
by late this
century (2081 - 2100) relative to 1986 - 2005 under a scenario that assumes a rapid reduction in heat - trapping gases (RCP 2.6) and a scenario that assumes continued increases in these gases (RCP 8.5).
Until we truly understand ALL the mechanisms
by which the sun drives our climate, it is premature to conclude that AGW was the principal driving force of global
temperature over the
late - 20th
century IMO.
Max, «Until we truly understand ALL the mechanisms
by which the sun drives our climate, it is premature to conclude that AGW was the principal driving force of global
temperature over the
late - 20th
century IMO.»
And the human emission and rise in global CO2 not appearing to have a measurable affect on global
temperature, and is it guessed
by some that perhaps a large fraction of
late 20th
century warming was due to increased CO2 levels.
Second, and even ignoring the 1940s - 1970s global cooling, for global
temperatures to meet IPCC's predicted 2.4 degree rise
by late this
century, global
temperatures must immediately — and that means immediately — begin rising at a sustained 0.30 degrees Celsius per decade.
If you look at the
temperature record posted
by NOAA or at HadCRUT3 from CRU you will notice a «
late twentieth
century warming» shown as starting in the
late seventies and continuing through the eighties and nineties.
Under a more moderate emissions scenario, the county can expect nearly 20 weeks of cold
temperatures each year, on average,
by late century.
Not surprisingly, the IPCC's
latest report, published in 2001, offers a wide range of predicted
temperature rises, from 1.40 C to 5.80 C
by the end of this
century.
The county can expect an average of 15 weeks per year at or below freezing
by late century under a high emissions scenario, compared to about 23 weeks of those
temperatures from 1981 to 2010.
The name «Nevada» is Spanish for «snow - capped,» but winter
temperatures in the county are projected to average just shy of 50oF
by late century under a high emissions scenario, which could leave mountainous areas like Donner Summit covered in brown, not white.
But it was impossible to even see it as long as that fake
late twentieth
century warming covered it up.The
temperature history of your period now involves the short warming from 1976 to the beginning of the satellite era, followed
by eighteen years of no warming at all until the super El Nino arrives.
The report predicts a rise in global
temperatures of between 0.3 and 4.8 degrees Celsius (0.5 to 8.6 Fahrenheit) and a rise of up to 82 cm (32 inches) in sea levels
by the
late 21st
century due to melting ice and expansion of water as it warms, threatening coastal cities from Shanghai to San Francisco.
A paper
by 10 of the world's top dendrochronologists reported, «No current tree ring based reconstruction of extra-tropical Northern Hemisphere
temperatures that extends into the 1990s captures the full range of
late 20th
century warming observed in the instrumental record.»
Considering all the short - term factors identified
by the scientific community that acted to slow the rate of global warming over the past two decades (volcanoes, ocean heat uptake, solar decreases, predominance of La Niñas, etc.) it is likely the
temperature increase would have accelerated in comparison to the
late 20th
Century increases.
I can't find a single person who will affirm that all the effects within a 24 hour day, including massive
temperature fluctuations between day and night, is due to one rotation of the planet and that these days never, ever fall out of step with rotations.The ideology which contemporaries have inherited from the
late 17th
century is that the Earth's rotation falls out of step with 24 hour days to the tune of 4 extra rotations in 4 years
by virtue of an utterly stupid idea that the planet's daily and orbital motions can be modeled directly from a rotating celestial sphere of Ra / Dec observing.
With
temperatures expected climb at least another one to two degrees Celsius
by late century, mountain farmers are facing huge challenges.
The average
temperature in the first six months of 2016 was 1.3 C warmer than the pre-industrial era in the
late 19th
century, according to Nasa — remarkably close to the 1.5 C target agreed
by the world's governments at the Paris climate talks to attempt to stave off the worst effects of climate change.
The basic conclusion of Mann et al. (1998, 1999) that the
late 20th
century warmth in the Northern Hemisphere was unprecedented during at least the last 1,000 years has subsequently been supported
by an array of evidence that includes both additional large - scale surface
temperature reconstructions and pronounced changes in a variety of local proxy indicators
Later this
century, the
temperature will rise
by up to 10 degrees, according to the IPCC.
Global
temperature has risen about a degree since the
late 19th
century; levels of CO2 in the atmosphere have increased
by about 30 % over the same period; and CO2 should contribute to future warming.
This year's
temperatures now appear set to exceed 1998's values
by around 0.35 C — or about one - third of the entire warming total seen since large - scale human greenhouse gas emissions began during the
late 19th
century.
«Climate science» as it is used
by warmists implies adherence to a set of beliefs: (1) Increasing greenhouse gas concentrations will warm the Earth's surface and atmosphere; (2) Human production of CO2 is producing significant increases in CO2 concentration; (3) The rate of rise of
temperature in the 20th and 21st
centuries is unprecedented compared to the rates of change of
temperature in the previous two millennia and this can only be due to rising greenhouse gas concentrations; (4) The climate of the 19th
century was ideal and may be taken as a standard to compare against any current climate; (5) global climate models, while still not perfect, are good enough to indicate that continued use of fossil fuels at projected rates in the 21st
century will cause the CO2 concentration to rise to a high level
by 2100 (possibly 700 to 900 ppm); (6) The global average
temperature under this condition will rise more than 3 °C from the
late 19th
century ideal; (7) The negative impact on humanity of such a rise will be enormous; (8) The only alternative to such a disaster is to immediately and sharply reduce CO2 emissions (reducing emissions in 2050
by 80 % compared to today's rate) and continue further reductions after 2050; (9) Even with such draconian CO2 reductions, the CO2 concentration is likely to reach at least 450 to 500 ppm
by 2100 resulting in significant damage to humanity; (10) Such reductions in CO2 emissions are technically feasible and economically affordable while providing adequate energy to a growing world population that is increasingly industrializing.
The foundation of global warming is based on the one critical, well documented fact that the
temperature of the Earth's surface has increased
by about 1.4 degree Fahrenheit since the
late 19th
century.
Nevertheless, it seems likely that a CO2 concentration in the range 500 to 900 ppm might produce a
temperature rise of at least 2 °C from the
late 19th
century that could be problematic for humankind; (7) The potential negative impact on humanity has been exaggerated; (8) The only alternative to rising greenhouse gas concentrations is to immediately and sharply reduce CO2 emissions — whether this averts a «pending disaster» is not well understood; (9) Even with such draconian CO2 reductions, the CO2 concentration is likely to reach at least 450 to 500 ppm
by 2100 probably resulting in some warming; (10) Such reductions in CO2 emissions are neither technically feasible nor economically affordable, and would necessitate inadequate energy supply to a growing world population that is increasingly industrializing, leading to worldwide depression.
An updated
temperature analysis
by the Met Office and the University of East Anglia's Climatic Research Unit has confirmed that 2010, not 1998, was the warmest year since record keeping began in the
late 19th
Century.
If you have been looking at
temperature curves put out
by NOAA or
by the recent draft climate report
by NCADAC you will have noticed a large red triangle that includes prominently a «
late twentieth
century warming» in the eighties and nineties.
The public, press and policy makers have been repeatedly told that three claims have widespread scientific support: Global
temperature has risen about a degree since the
late 19th
century; levels of CO2 in the atmosphere have increased
by about 30 % over the same period; and CO2 should contribute to future warming.
The IPCC says that their Global Circulation Models (GCMs), on which all the climate panic is based, can only explain the
late 20th
century global
temperature rise from a human signal: the extra CO2 added
by burning fossil fuels.
The public, press and policy makers have been repeatedly told that three claims have widespread scientific support: Global
temperature has risen about a degree since the
late 19th
century; levels of CO2 [carbon dioxide] in the atmosphere have increased
by about 30 percent over the same period; and CO2 should contribute to future warming.
On the question of whether observed changes in climate can be attributed to human activities such as burning fossil fuels, Bolin noted that «The global mean
temperature has increased
by 0.3 - 0.6 degrees C since the
late 19th
century, and about 0.3 degrees over the last 40 years.»
Another study, also published today in Nature, arrived at the same conclusions about a weakened AMOC — this time,
by reviewing sea - surface
temperature data going back to the
late 19th
century.