The Arctic temperature data do not support the models predicting that there will be a critical
future warming of the climate because of an increased concentration of CO2 in the atmosphere.
-LSB-...]
Future warming of the climate is inevitable for many years due to the greenhouse gases already added to the atmosphere and the heat that has been taken up by the oceans.
Not exact matches
Rising sea levels caused by a
warming climate threaten greater
future storm damage to New York City, but the paths
of stronger
future storms may shift offshore, changing the coastal risk for the city, according to a team
of climate scientists.
In the interest
of our
future world, scientists must seek to understand the complexities
of linked natural events and field observations that are revealed in the geologic record
of past
warmer climates.
New University
of Colorado Boulder - led research has established a causal link between
climate warming and the localized extinction
of a common Rocky Mountain flowering plant, a result that could serve as a herald
of future population declines.
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.
The IPCC's
climate report says that the most extreme scenarios
of future warming are looking less likely — but this doesn't change the big picture
«Moreover, the latest developments in
climate science lend greater urgency to the case for action: Effects on natural systems are already being observed and recent findings concerning the potential scope and magnitude
of damages from
future warming are increasingly worrisome,» the report says.
«When confronted with the question whether or not global
warming contributed to Sandy, many scientists would just throw their hands up and say, «We can not address the question
of how hurricanes will behave in a
future climate because the myriad factors affecting storm behaviors are too complex and impossible to simulate»,» Lau said.
His new book, New York 2140, explores the interplay
of climate change and global finance on a
warmer, wetter
future world
«The result is not a surprise, but if you look at the global
climate models that have been used to analyze what the planet looked like 20,000 years ago — the same models used to predict global
warming in the
future — they are doing, on average, a very good job reproducing how cold it was in Antarctica,» said first author Kurt Cuffey, a glaciologist at the University
of California, Berkeley, and professor
of geography and
of earth and planetary sciences.
The two studies will help scientists to understand the natural variability
of past
climate and to predict tropical glaciers» response to
future global
warming.
Assistant professor Kathrin Rousk, Department
of Biology, explains, «to aid in predicting the role
of moss - associated N2 fixation in a
warmer,
future climate, we quantified N2 fixation throughout the snow - free period in subarctic tundra.
The calculations are in line with estimates from most
climate models, proving that these models do a good job
of estimating past climatic conditions and, very likely,
future conditions in an era
of climate change and global
warming.
The recent slowdown in global
warming has brought into question the reliability
of climate model projections
of future temperature change and has led to a vigorous debate over whether this slowdown is the result
of naturally occurring, internal variability or forcing external to Earth's
climate system.
«The only way we can accurately project
future climate is to understand the responses
of both plants and microbes to a
warming climate.
Scientists are looking to strange sea life for records
of climate's past — and forecasts
of future warming
The indications
of climate change are all around us today but now researchers have revealed for the first time when and where the first clear signs
of global
warming appeared in the temperature record and where those signals are likely to be clearly seen in extreme rainfall events in the near
future.
A few
of the main points
of the third assessment report issued in 2001 include: An increasing body
of observations gives a collective picture
of a
warming world and other changes in the
climate system; emissions
of greenhouse gases and aerosols due to human activities continue to alter the atmosphere in ways that are expected to affect the
climate; confidence in the ability
of models to project
future climate has increased; and there is new and stronger evidence that most
of the
warming observed over the last 50 years is attributable to human activities.
«Immediate action is required to develop a carbon - neutral or carbon - negative
future or, alternatively, prepare adaptation strategies for the effects
of a
warmer climate,» said Dr Goodwin, Lecturer in Oceanography and Climate at South
climate,» said Dr Goodwin, Lecturer in Oceanography and
Climate at South
Climate at Southampton.
Assisted migration The
future doesn't look good for biocrust communities, and thus for the stability
of desert soils, as we continue to careen toward a
warmer climate.
Similar to
climate manipulation plots near the Colorado River, half
of these plots are
warmed with infrared lamps to simulate the
future.
One impetus for the study was to investigate how a
future warmer climate would affect the demand
of water, especially as more cities are seeking out
climate mitigation and adaptation strategies.
To investigate this, DeConto and Pollard developed a new ice sheet -
climate model that includes «previously under - appreciated processes» that emphasize the importance
of future atmospheric
warming around Antarctica.
According to researchers studying this elusive mammal, sometimes classed as one
of the «Shy 5,» in South Africa's Kalahari Desert, aardvarks prove to be highly susceptible to the
warmer and drier
climates that are predicted for the western parts
of southern Africa, in the
future.
Only two
of the 11 models used to project
future warming in the most recent report from the Intergovernmental Panel on
Climate Change (IPCC) considered the effects
of limited nitrogen on plant growth; none considered phosphorus, although one paper from 2014 subsequently pointed out this omission.
The implication: because average temperatures may
warm by at least one degree C by 2030, «
climate change could increase the incidences
of African civil war by 55 percent by 2030, and this could result in about 390,000 additional battle deaths if
future wars are as deadly as recent wars.»
Our research should provide clues to evaluate how differences in the variety and amount
of organics in high - latitude zones, which are vulnerable to global
warming, will affect cloud formation and the overall
climate in the
future.»
«This quantitative attribution
of human and natural
climate influences on the IPWP expansion increases our confidence in the understanding
of the causes
of past changes as well as for projections
of future changes under further greenhouse
warming,» commented Seung - Ki Min, a professor with POSTECH's School
of Environmental Science and Engineering.
Till now,
climate modellers» forecasts
of future warming have resembled the famous bell curve, with the most likely result
of doubling CO2 being a temperature increase
of about 3 °C, and with declining probabilities on either side for a narrow range
of higher and lower temperature rises (see Graph).
These models can then be mapped against
climate forecasts to predict how phenology could shift in the
future, painting a picture
of landscapes in a world
of warmer temperatures, altered precipitation and humidity, and changes in cloud cover.
And GM promises more: creating drought - resistant crops that will thrive in the
warmer climates of the
future, for instance.
«In order to respond to global
warming, we need to understand how the
climates of the
future will be different than the familiar, historical
climates that we are adapted to.»
With oil prices soaring and concerns about global
warming and
climate change growing, the pressure is on to find new ways
of managing the current and
future energy supply.
The findings from researchers at the University
of Miami (UM) Rosenstiel School
of Marine and Atmospheric Science provide new evidence that
climate change in the tropical Pacific will result in changes in rainfall patterns in the region and amplify
warming near the equator in the
future.
«We came to take a half a degree Celsius out
of future warming, and we won about 90 percent
of our
climate prize,» said Durwood Zaelke, president
of the Institute for Governance & Sustainable Development, who has worked toward the agreement for more than a decade.
«The overall predictions for the
future of the area is
of a more maritime
climate, particularly
warmer temperatures and increased precipitation during winter,» Høye says.
The discovery
of genes involved in the production
of DMSP in phytoplankton, as well as bacteria, will allow scientists to better evaluate which organisms make DMSP in the marine environment and predict how the production
of this influential molecule might be affected by
future environmental changes, such as the
warming of the oceans due to
climate change.
Conservationists are increasingly considering moving plants and animals in advance
of climate change to places where they might thrive in a
warmer future.
Still another impediment has been fear that the initiative's «avoided emissions» strategy would lead to similar plans being considered as part
of future global
warming /
climate change treaty negotiations.
This suggests that the research community has a sound understanding
of what the
climate will be like as we move toward a Pliocene - like
warmer future caused by human greenhouse gas emissions.»
«Currently, our planet is in a
warm phase — an interglacial period — and the associated increased
climate sensitivity needs to be taken into account for
future projections
of warming induced by human activities.»
Decisions made today are made in the context
of confident projections
of future warming with continued emissions, but clearly there is more to do to better characterize the human and economic consequences
of delaying action on
climate change and how to frame these issues in the context
of other concerns.
And
of course, the
future fate
of the ice sheets and how they will dynamically respond to
climate warming is hugely important for projections
of sea level rise and polar hydrology.
``... From this we conclude that the elimination
of carbon dioxide emissions leads to little or no further
climate warming; that is,
future warming is defined by the extent
of future emissions, rather than by past emissions.»
The perception that
future climate warming is inevitable stands at the centre
of current
climate - policy discussions.
Projections
of Future Changes in
Climate «For the next two decades, a
warming of about 0.2 °C per decade is projected for a range
of SRES emission scenarios.
As can be seen your graph, our
climate models make a wide range
of predictions (perhaps 0.5 - 5 degC, a 10-fold uncertainty) about how much «committed
warming» will occur in the
future under any stabilization scenario, so we don't seem to have a decent understanding
of these processes.
The key issue in predicting
future rates
of global sea level rise is to understand and predict how ice sheets in Greenland and Antarctica will react to a
warming climate.
The Paleocene - Eocene Thermal Maximum (PETM)- an ancient
warming event that occurred about 56 million years ago - is often thought
of as a potential framework for
future climate change.