Scientists sifting for trends in record high and low temperatures across the United States have found more evidence of long -
term warming of the climate, with the biggest shift coming through a reduction in record low nighttime temperatures.
The long -
term warming of the climate may be threatening the celebrated Dutch tradition of skating frozen canals and rivers between towns in Friesland, according to a new analysis of climate and skating trends there.
To me, the more subtle background trend is the significant one to watch because it's like the long -
term warming of the climate itself.
Not exact matches
WASHINGTON — Biofuels made from the leftovers
of harvested corn plants are worse than gasoline for global
warming in the short
term, a study shows, challenging the Obama administration's conclusions that they are a much cleaner oil alternative and will help combat
climate change.
With respect to global
warming, it's better to think in
terms of manmade
climate and environmental change.
In
warm tropical
climates where coconuts grow, and where air temperatures are almost always above 75 degrees, coconut oil is a liquid most
of the time, hence the
term «coconut oil.»
Window for rapid emissions reduction may be closing Obama begins his second
term one week after a federal advisory committee
of 60
climate experts issued a draft report that warns
of accelerating global
warming.
The researchers say that countries must also tackle short - lived
climate pollutants like hydrofluorocarbons that accelerate
warming greatly in the near
term, and take some
of the carbon that is currently in the atmosphere out.
Jochem Marotzke and Piers M. Forster have now explained the
warming pause in
terms of random fluctuations arising from chaotic processes in the
climate system.
About half
of this near -
term warming represents a «commitment» to future
climate change arising from the inertia
of the
climate system response to current atmospheric concentrations
of greenhouse gases.
So if you think
of going in [a]
warming direction
of 2 degrees C compared to a cooling direction
of 5 degrees C, one can say that we might be changing the Earth, you know, like 40 percent
of the kind
of change that went on between the Ice Age; and now are going back in time and so a 2 - degree change, which is about 4 degrees F on a global average, is going to be very significant in
terms of change in the distribution
of vegetation, change in the kind
of climate zones in certain areas, wind patterns can change, so where rainfall happens is going to shift.
That desire
of balance lead the program's creators to avoid
terms like «
climate change» or «global
warming» in lesson plans, Rowe said, «which would have sent a biased point
of view.»
Although a wide variety
of greenhouse gases contribute to human - caused global
warming, it is CO2, largely alone, that will determine the long -
term climate, Solomon says.
One study, led by Chris Funk
of the U.S. Geological Survey and the University
of California, Santa Barbara's
Climate Hazard Group, looked at long -
term warming of the sea surface in the North Pacific.
«Reductions
of methane and black carbon (soot) would likely have only a modest impact on near -
term global
climate warming,» the authors at the U.S. Department
of Energy's Pacific Northwest National Laboratory wrote.
«In other words, although the
term matters —
climate change versus global
warming — an overwhelming majority
of Republicans still state that global
warming is happening,» he said.
While that streak will eventually end, Deke Arndt, the head
of the
climate monitoring division at NOAA's National Centers for Environmental Information, said that the long -
term warming trend is stll clear.
But the period
of time over which the team analysed the long -
term trend in
warming was the past 50 years, in which this oscillation hasn't changed significantly — so almost all the
warming looks to have been the result
of anthropogenic
climate change.
BARACK OBAMA is certainly talking the talk on
climate change — promising to put the fight against global
warming at the heart
of his second
term.
Dr Li said the latest research findings give a better understanding
of changes in human - perceived equivalent temperature, and indicate global
warming has stronger long -
term impacts on human beings under both extreme and non-extreme weather conditions, suggesting that
climate change adaptation can not just focus on heat wave events, but should be extended to the whole range
of effects
of temperature increases.
The research, published in Nature Communications, examined preserved fossil remains
of coccolithophores from a period
of climate warming and ocean acidification that occurred around 56 million years ago — the Paleocene Eocene Thermal Maximum (PETM)-- and provides a much - needed long -
term perspective
of coccolithophore response to ocean acidification.
«We have taken a major step forward in
terms of short -
term climate forecasting, especially with regard to the development
of global
warming.
«The overall significance is that although we already know that reducing methane emissions can bring great societal benefits via decreased near -
term warming and improved air quality, and that many
of the sources can be controlled at low or even negative cost, we still need better data on emissions from particular sources,» Duke University
climate sciences professor Drew Shindell said.
To check whether
warm winters have already attenuated the advance in spring phenology, an international team
of researchers from China, Belgium, France, Spain, Switzerland and Germany investigated the change in the sensitivity
of leaf unfolding to
climate warming using long -
term observations for seven dominant European tree species at 1245 sites in Central Europe.
A longtime champion
of climate action and an intense observer
of the U.N. treaty process, Kerry said in no uncertain
terms yesterday that he will make global
warming a priority.
Fact # 1: Carbon Dioxide is a Heat - Trapping Gas Fact # 2: We Are Adding More Carbon Dioxide to the Atmosphere All the Time Fact # 3: Temperatures are Rising Fact # 4: Sea Level is Rising Fact # 5:
Climate Change Can be Natural, but What's Happening Now Can't be Explained by Natural Forces Fact # 6: The
Terms «Global
Warming» and «
Climate Change» Are Almost Interchangeable Fact # 7: We Can Already See The Effects
of Climate Change Fact # 8: Large Regions
of The World Are Seeing a Significant Increase In Extreme Weather Events, Including Torrential Rainstorms, Heat Waves And Droughts Fact # 9: Frost and Snowstorms Will Still Happen in a
Warmer World Fact # 10: Global
Warming is a Long -
Term Trend; It Doesn't Mean Next Year Will Always Be
Warmer Than This Year
They are probably biased due to emphasis on one part
of the world such as the North Atlantic / Europe region... It is probably better to view the
climate changes during the last 2,000 years in
terms of cool and
warm centuries in various parts
of the world.
So, while the oceans are a heat sink in the short -
term,
warmer oceans are a source
of climate gases in the long -
term.
Long -
term (decadal and multi-decadal) variation in total annual streamflow is largely influenced by quasi-cyclic changes in sea - surface temperatures and resulting
climate conditions; the influence
of climate warming on these patterns is uncertain.
The silicate + CO2 - > different silicate + carbonate chemical weathering rate tends to increase with temperature globally, and so is a negative feedback (but is too slow to damp out short
term changes)-- but chemical weathering is also affected by vegetation, land area, and terrain (and minerology, though I'm not sure how much that varies among entire mountain ranges or
climate zones)-- ie mountanous regions which are in the vicinity
of a
warm rainy
climate are ideal for enhancing chemical weathering (see Appalachians in the Paleozoic, more recently the Himalayas).
It appears that the
climate changes according to a repeating 60 year or so pattern with 30 years
of general
warming and 30 years
of general cooling, this pattern superimposed, we hope, on a very slow longer
term warming trend.
The scientific evidence for global
warming and for humanity's role in the increase
of greenhouse gasses becomes ever more unimpeachable, as the [United Nations] IPCC [Intergovernmental Panel on
Climate Change 4th Assessment Report] findings are going to suggest; and such activity has a profound relevance, not just for the environment, but in ethical, economic, social and political
terms as well.
In a long -
term trend that demonstrates the effects
of a
warming climate, daily record - high temperatures have recently been outpacing daily record lows by an average
of 2 - to - 1, and this imbalance is expected to grow as the
climate continues to
warm.
The Harvard Forest Long -
Term Ecological Research site in Petersham, Massachusetts, where Ecosystems Center scientists study the long - term effect of climate warming on forest ecol
Term Ecological Research site in Petersham, Massachusetts, where Ecosystems Center scientists study the long -
term effect of climate warming on forest ecol
term effect
of climate warming on forest ecology.
The long -
term warming of the planet, as well as an exceptionally strong El Niño, led to numerous
climate records in 2015, including milestones for global temperatures, carbon dioxide levels and ocean heat, according to the World Meteorological Organization's annual State of the Climate
climate records in 2015, including milestones for global temperatures, carbon dioxide levels and ocean heat, according to the World Meteorological Organization's annual State
of the
Climate Climate Report.
Climate Central's chief meteorologist, Bernadette Woods Placky, explains the significance
of 2 °C in
terms of global
warming.
In a long -
term trend that demonstrates the effects
of a
warming climate, daily record - high temperatures have recently been outpacing daily record - lows by an average
of 2 - to - 1, and this imbalance is expected to grow as the
climate continues to
warm.
This comparison reveals modern
warming has characteristics
of natural short -
term climate variability and not long -
term climate change.
At the same time, increasing depth and duration
of drought, along with
warmer temperatures enabling the spread
of pine beetles has increased the flammability
of this forest region — http://www.nature.com/nclimate/journal/v1/n9/full/nclimate1293.html http://www.vancouversun.com/fires+through+tinder+pine+beetle+killed+forests/10047293/story.html Can
climate models give different TCR and ECS with different timing / extent
of when or how much boreal forest burns, and how the soot generated alters the date
of an ice free Arctic Ocean or the rate
of Greenland ice melt and its influence on long
term dynamics
of the AMOC transport
of heat?
Currently, instrumental temperature characteristics are consistent with natural
climate variability
of short -
term events and steep
warming trendlines.
In
warm tropical
climates where coconuts grow, and where air temperatures are almost always above 75 degrees, coconut oil is a liquid most
of the time, hence the
term «coconut oil.»
As early as 1988, in his first
term as a Senator, he was already warning the country
of the dangers
of global
warming and
climate change which were then considered non-issues in both national and global context.
Buffalo City, as East London is charmingly known, not only lies on one
of the most sublime coastlines
of the world - think
warm Indian Ocean waters and sub-tropical weather that allow visitors to enjoy the
climate all year round - it also basks gloriously between the Nahoon River in the north and the Buffalo River to the south
of the city, and the phrase «unspoilt beaches» was
termed with East London's beaches in mind.
After years
of escaping the British winter months for
warmer climates, either on surf trips, or to work as a surf coach, I decided that this was the year I was going to stay at home and start pursuing my interests in computer technology in the form
of university, although I'm studying hard I'm having a great time combining both
of my passions during
term time, I cant wait for the summer to begin and really make the most
of what Cornwall has to offer.
Have there been any «classic» tests
of climate models that would falsify the hypothesis
of large
warming over the long
term?
Looking at daily records can be insightful, but only when you have enough examples and a good metric to be comparing — the straight number
of warm records is not good because even in a static
climate you expect structure, but the ratio
of warm to cool records is quite good because the expectation is that it should be 50:50 in the medium
term (Meehl et al, 2010).
I can not find any contemporary reports
of climate scientists condemning him for make long
term conclusions about
climate change based on a
warming period
of just 13 years.
Ice - sheet responses to decadal - scale ocean forcing appear to be less important, possibly indicating that the future response
of the Antarctic Ice Sheet will be governed more by long -
term anthropogenic
warming combined with multi-centennial natural variability than by annual or decadal
climate oscillations.»
Although the Met Office Hadley Center model projects extreme drying and
warming in the Amazon due to ongoing
climate change, and there may even be a commitment to long -
term decline
of part
of the Amazon forest even at just 2 degrees global
warming above pre-industrial, other
climate models show less
of a drying or even none at all.
P.S., In fresh article published in Iternational Herald Tribune (Global
warming's PR problem) Andrew C. Revkin gives comprehensive and intelligent account
of the
climate - change media coverage which gives me some hope in
terms of the journalists understanding
of the problem...