He called it «distinctly possible» that
the projected warming trend after 2030 «will indeed be catastrophic (at least for a substantial fraction of the earth's population).»
Not exact matches
For many, this signalled a
warming trend in trade relations between the Canada and the U.S., which had been cooling over contentious issues such as the rejected Keystone XL Pipeline
project.
In its annual analysis of
trends in global carbon dioxide emissions, the Global Carbon
Project (GCP) published three peer - reviewed articles identifying the challenges for society to keep global average
warming less than 2 °C above pre-industrial levels.
If global
warming trends continue, this behavior may cease globally by 2102, the study
projects.
That
trend is
projected to continue as the planet
warms and could put coastal cities at risk and cause
That
trend is
projected to continue as the planet
warms and could put coastal cities at risk and cause trillions of dollars in damage.
Projecting the 165 - year instrumental
trends suggests within 500 years temperatures will reach 2.5 to 3.5 degrees C
warmer than present day.
IPCC [26]
projects the following
trends, if global
warming continue to increase, where only
trends assigned very high confidence or high confidence are included: (i) increased malnutrition and consequent disorders, including those related to child growth and development, (ii) increased death, disease and injuries from heat waves, floods, storms, fires and droughts, (iii) increased cardio - respiratory morbidity and mortality associated with ground - level ozone.
Although all downscaled temperature
trends project a future
warming, scenarios for precipitation are more ambiguous.
2) It's a
warming trend that's
projected to continue, so you commit yourself long term to having to «cook up» evidence that fits with that
warming trend across an increasingly wide area of observations.
These earlier years, mainly El Nino years, average 11.5 years earlier than the
projected recent hottest four, perhaps suggesting a rough calculation of the recent rate of AGW of at +0.16 ºC / decade, this of course the
warming trend of peak years through the so - called «hiatus» years and being «peak years», it is a rate which assumes cooler years will be coming along soon.
The exercise doesn't prove anything but it's no worse (probably better) than
projecting current
warming trends 50 - 100 years into the future.
The 10 Earth System Models used here
project similar
trends in ocean
warming, acidification, deoxygenation and reduced primary productivity for each of the IPCC's representative concentration parthways (RCP) over the 21st century.
The Arctic Climate Impact Assessment, the Intergovernmental Panel on Climate Change (whose reports are conservative by nature), and a range of other assessments all conclude with high confidence that — for better or worse — the long - term Arctic
trend for summer sea ice is down, given the
projected buildup of greenhouse gases and tendency of the Arctic to amplify
warming.
The latest research shows that while a decades - long
trend toward thinner and sparser ice looks to continue, with
warming from greenhouse gases and soot contributing to the change, expect a lot of variability along the way to a
projected open - water summertime Arctic.
However, Helbig et al. [2017], using a set of nested paired eddy covariance flux towers in a boreal forest - wetland landscape, point to the increasing importance of
warming temperatures on ecosystem respiration potentially overwhelming enhanced productivity occurring from land cover change under
projected anthropogenic
trends.
It can't be said too often that climate models are merely contrivances meant to
project a future
warming trend indefinitely.
This arctic
warming trend, as consistently
projected by global climate models (GCMs), is likely to continue into the future.
The Global
Warming Prediction
Project consists of a bunch of gutless wonders, frightened to use any past historical data, preferring instead to concentrate on a flat period where there is no need to apply a long term forcing
trend... such as CO2.
Most of these models
project a global
warming trend that amounts to about 7 degrees Fahrenheit over the next 100 years.
As a result, their computer predictions of future climate
trends show dramatic global
warming roughly proportional to
projected carbon dioxide concentrations in the future.
The authors assert that the human - caused post-1940s cooling
trend and increase in precipitation dramatically conflict with climate model expectations which
project a human - caused
warming trend and decreasing rainfall with the advent of increasing GHG emissions.
Projected warming and drying in spring and summer combined with earlier snowmelt and more winter rain would likely exacerbate this
trend by facilitating fire ignition and diminishing fuel moisture during the dry season [85].
IPCC [26]
projects the following
trends, if global
warming continue to increase, where only
trends assigned very high confidence or high confidence are included: (i) increased malnutrition and consequent disorders, including those related to child growth and development, (ii) increased death, disease and injuries from heat waves, floods, storms, fires and droughts, (iii) increased cardio - respiratory morbidity and mortality associated with ground - level ozone.
This seems to be an even greater blow than the failure of the global temperature to follow the models
trend lines
projected from the
warming from 1970 to 1998.
The work calculated the present
warming trend correctly through 2007 and
projected 2008, 2009, 2010, and appears to
project 2011 correctly as well.
There is no indication of any
trend in that data - nor is there in the instrumental data for the past 150 years for that matter - of any runaway global
warming actually happening or credibly
projected.
The Hiatus, slow down, oceans ate my
warming are all related to the difference between the «
projected»
trends and the observational
trends.
Meanwhile, Global
Warming's Six Americas, an ongoing joint
project of Yale University and George Mason University, reported a similar
trend from its own survey of 1,000 people.
And climate deniers â $» who claim that researchers at NASA and other groups analyzing climate
trends have massaged and distorted the data â $» had been hoping that the Berkeley
project would conclude that global
warming is a myth.
Ambiguities regarding
projected greenhouse
warming call in much the same way for clearer information regarding the role of the Sun, as a possibly important contributor to the current
warming trend.
In their study, Dim Coumou, from the Potsdam Institute for Climate Impact Research, and Alexander Robinson, from Universidad Complutense de Madrid, used state - of - the - art climate models to
project changes in the
trend of heat extremes under two future
warming scenarios — RCP2.6 and RCP8.5 — throughout the 21st century.
For the last three thousand years, Since 1000 BC, the end of the Minoan
Warm Period, the global temperature
trend has been -0.5 to -0.7 dgC per 1000 yrs,
projecting full glacial of 8 dgC in another 7,000 yrs.
For example, they pointed to additional temperature data gathered in the last few years, which have been substantially
warmer than any similar string of years in many centuries; to improvements in computer models designed to
project future
trends; and to better understanding of the influence of other climate - influencing emissions, like particles of sulfates that can cool the earth by reflecting sunlight back into space.
Finally, we show how the presence of these large natural cycles can be used to correct the IPCC
projected anthropogenic
warming trend for the 21st century.
(Such a
warming is completely compatible with CO2 emissions estimates that would result from Jesse Ausubel's
projected CO2 decarbonization
trend.)
The IPCC
projects that this
warming trend will continue and that global temperatures will rise by 1.4 to 5.8 degrees Celsius by 2100.
1.5 º C is the amount of
warming projected with a doubling of CO2, but under current emissions
trends, CO2 levels are on track to go well beyond doubling.