Not exact matches
In the current context of global warming it is important to assess the impacts that changes in ocean and
climate may have on Antarctica, and reconstructing past
climate fluctuations provides vital information on the responses and possible
feedback mechanisms within the
climate system.
This is an important positive
feedback on the carbon cycle (the exchange of carbon compounds throughout the
climate system).
«We found that, apart from slight biases at the extreme ends of the political spectrum, people in Oklahoma — a state where the concept of «global warming» traditionally gets quite a chilly reception — readily perceived
feedback from the
climate system.»
Over the next decade a few scientists devised simple mathematical models of the
climate, and turned up
feedbacks that could make the
system surprisingly variable.
Even if Pluto's ocean is really now just ice, Keane says, these new studies of Sputnik Planitia reveal a powerful and unique
feedback between Pluto's
climate and orbital evolution that could also operate on other icy worlds in the outer solar
system.
To preserve these services or develop viable alternatives, humans must recognise
feedback — signals of
climate change and ecosystem decline — from natural
systems.
The conclusion that limiting CO2 below 450 ppm will prevent warming beyond two degrees C is based on a conservative definition of
climate sensitivity that considers only the so - called fast
feedbacks in the
climate system, such as changes in clouds, water vapor and melting sea ice.
«The various processes and
feedbacks between the physical forcing factors in the
climate system are under active investigation by a whole community of
climate scientists,» he says.
«This cooling reduced precipitation over Africa, and in combination with a range of other complex
climate feedback mechanisms tipped the humid
system towards aridification,» explains the first author of the study, James Collins from Helmholtz Centre Potsdam — GFZ German Research Centre for Geosciences and Alfred Wegener Institute — Helmholtz Center for Polar and Marine Research (AWI) in Bremerhaven.
«This is important as the new tool can be used to investigate the two - way
feedback between an agroecosystem and a
climate system in our future studies.»
Another
feedback could result from the fact that Emiliania is one of the dominant producers of dimethylsulfide, a volatile gas which is thought to serve as cooling agent in the
climate system.
Lessons learned in the initial Chicago deployment, and by 2016 in other cities, will provide important design
feedback as the
systems are deployed in many settings with respect to geography and
climate.
«The model we developed and applied couples biospheric
feedbacks from oceans, atmosphere, and land with human activities, such as fossil fuel emissions, agriculture, and land use, which eliminates important sources of uncertainty from projected
climate outcomes,» said Thornton, leader of the Terrestrial Systems Modeling group in ORNL's Environmental Sciences Division and deputy director of ORNL's Climate Change Science Ins
climate outcomes,» said Thornton, leader of the Terrestrial
Systems Modeling group in ORNL's Environmental Sciences Division and deputy director of ORNL's
Climate Change Science Ins
Climate Change Science Institute.
«We also have provided an understandable
climate feedback system that explains how this cold period could be sustained for a long period of time.»
This integrative, multidisciplinary team will consider
feedbacks between
climate, ecological, and human belief
systems using a quantitative modeling approach.
For this subsystem, many of the longer term
feedbacks in the full
climate system (such as ice sheets, vegetation response, the carbon cycle) and some of the shorter term bio-geophysical
feedbacks (methane, dust and other aerosols) are explicitly excluded.
Chemistry and
climate: Atmospheric composition plays an integral role in the
climate system, with
feedbacks on both dynamical and radiative processes throughout the atmosphere.
We don't know this, nor the nature and strength of natural
feedbacks in the
climate system that might drive future warming».
Climate change, phenology, and phenological control of vegetation feedbacks to the climate
Climate change, phenology, and phenological control of vegetation
feedbacks to the
climate climate system.
-- 7) Forest models for Montana that account for changes in both
climate and resulting vegetation distribution and patterns; 8) Models that account for interactions and
feedbacks in
climate - related impacts to forests (e.g., changes in mortality from both direct increases in warming and increased fire risk as a result of warming); 9)
Systems thinking and modeling regarding climate effects on understory vegetation and interactions with forest trees; 10) Discussion of climate effects on urban forests and impacts to cityscapes and livability; 11) Monitoring and time - series data to inform adaptive management efforts (i.e., to determine outcome of a management action and, based on that outcome, chart future course of action); 12) Detailed decision support systems to provide guidance for managing for adap
Systems thinking and modeling regarding
climate effects on understory vegetation and interactions with forest trees; 10) Discussion of
climate effects on urban forests and impacts to cityscapes and livability; 11) Monitoring and time - series data to inform adaptive management efforts (i.e., to determine outcome of a management action and, based on that outcome, chart future course of action); 12) Detailed decision support
systems to provide guidance for managing for adap
systems to provide guidance for managing for adaptation.
Uncertainties, probabilities and risks to the marine environment have to be assessed as well as their
feedback to
climate system.
The unit studies the processes, coupling and
feedbacks which affect the
climate system, and the past, present and future state of the
climate.
For instance, the sensitivity only including the fast
feedbacks (e.g. ignoring land ice and vegetation), or the sensitivity of a particular class of
climate model (e.g. the «Charney sensitivity»), or the sensitivity of the whole system except the carbon cycle (the Earth System Sensitivity), or the transient sensitivity tied to a specific date or period of time (i.e. the Transient Climate Response (TCR) to 1 % increasing CO2 after 70
climate model (e.g. the «Charney sensitivity»), or the sensitivity of the whole
system except the carbon cycle (the Earth System Sensitivity), or the transient sensitivity tied to a specific date or period of time (i.e. the Transient Climate Response (TCR) to 1 % increasing CO2 after 70 y
system except the carbon cycle (the Earth
System Sensitivity), or the transient sensitivity tied to a specific date or period of time (i.e. the Transient Climate Response (TCR) to 1 % increasing CO2 after 70 y
System Sensitivity), or the transient sensitivity tied to a specific date or period of time (i.e. the Transient
Climate Response (TCR) to 1 % increasing CO2 after 70
Climate Response (TCR) to 1 % increasing CO2 after 70 years).
So the reference
system climate sensitivity parameter is based on a negative
feedback due to Stefan's law.
Beckage tells us that the uncertainty from human
feedback comes close to the uncertainty scientists still have in the physical
systems (things like permafrost melt,
climate sensitivity, and all that).
To explore the potential importance of carbon cycle
feedbacks in the
climate system, explicit treatment of the carbon cycle has been introduced in a few climate AOGCMs and some Earth System Models of Intermediate Complexity (E
system, explicit treatment of the carbon cycle has been introduced in a few
climate AOGCMs and some Earth
System Models of Intermediate Complexity (E
System Models of Intermediate Complexity (EMICs).
The forecast of the record CO2 rise, and the unusually steady rise in CO2 that preceeded it, also illustrate the potential for
feedbacks in the
climate system.
Wallace S. Broecker: Preface 1: Jean - Pierre Gattuso and Lina Hansson: Ocean Acidification: Background and History 2: Richard E. Zeebe and Andy Ridgwell: Past Changes of Ocean Carbonate Chemistry 3: James C. Orr: Recent and Future Changes in Ocean Carbonate Chemistry 4: Andrew H. Knoll and Woodward W. Fischer: Skeletons and Ocean Chemistry: The Long View 5: Markus G. Weinbauer, Xavier Mari, and Jean - Pierre Gattuso: Effect of Ocean Acidification on the Diversity and Activity of Heterotrophic Marine Microorganisms 6: Ulf Riebesell and Philippe D. Tortell: Effects of Ocean Acidification on Pelagic Organisms and Ecosystems 7: Andreas J. Andersson, Fred T. Mackenzie, and Jean - Pierre Gattuso: Effects of Ocean Acidification on Benthic Processes, Organisms, and Ecosystems 8: Hans - Otto Pörtner, Magda Gutowska, Atsushi Ishimatsu, Magnus Lucassen, Frank Melzner, and Brad Seibel: Effects of Ocean Acidification on Nektonic Organisms 9: Stephen Widdicombe, John I. Spicer, and Vassilis Kitidis: Effects of Ocean Acidification on Sediment Fauna 10: James P. Barry, Stephen Widdicombe, and Jason M. Hall - Spencer: Effects of Ocean Acidification on Marine Biodiversity and Ecosystem Function 11: Frances Hopkins, Philip Nightingale, and Peter Liss: Effects of Ocean Acidification on the Marine Source of Atmospherically - Active Trace Gases 12: Marion Gehlen, Nicolas Gruber, Reidun Gangstø, Laurent Bopp, and Andreas Oschlies: Biogeochemical Consequences of Ocean Acidification and
Feedback to the Earth
System 13: Carol Turley and Kelvin Boot: The Ocean Acidification Challenges Facing Science and Society 14: Fortunat Joos, Thomas L. Frölicher, Marco Steinacher, and Gian - Kasper Plattner: Impact of
Climate Change Mitigation on Ocean Acidification Projections 15: Jean - Pierre Gattuso, Jelle Bijma, Marion Gehlen, Ulf Riebesell, and Carol Turley: Ocean Acidification: Knowns, Unknowns, and Perspectives Index
The model accounts for the dynamic
feedbacks that occur naturally in the Earth's
climate system — temperature projections determine the likelihood of extreme weather events, which in turn influence human behavior.
The lifetime of fossil fuel CO2 in the
climate system is so long that it must be assumed that these slow
feedbacks will occur if temperature rises well above the Holocene range.
The long lifetime of the fossil fuel carbon in the
climate system and the persistence of ocean warming for millennia [201] provide sufficient time for the
climate system to achieve full response to the fast
feedback processes included in the 3 °C
climate sensitivity.
But global
climate models are developed by the scientific community as a tool for gaining fundamental insights into the mechanisms and
feedbacks of the
climate system
However, this
climate sensitivity includes only the effects of fast
feedbacks of the
climate system, such as water vapor, clouds, aerosols, and sea ice.
The session explores regional integration of records and dynamic modeling to: (1) understand better the nature of
climate - human - ecosystem interactions; (2) quantify the roles of different natural and anthropogenic drivers in forcing environmental change; (3) examine the
feedbacks between anthropogenic activity and the natural
system and; (4) provide integrated datasets for model development and data - model comparisons.
This 2006 study found that the effect of amplifying
feedbacks in the
climate system — where global warming boosts atmospheric CO2 levels — «will promote warming by an extra 15 percent to 78 percent on a century - scale» compared to typical estimates by the U.N.'s Intergovernmental Panel on Climate
climate system — where global warming boosts atmospheric CO2 levels — «will promote warming by an extra 15 percent to 78 percent on a century - scale» compared to typical estimates by the U.N.'s Intergovernmental Panel on
Climate Climate Change.
The vast majority of
climate researchers are convinced by the data that human - caused warming is underway, though spirited debate surrounds the complex
feedbacks in the
climate system.
(21.8 - cm) display with haptic
feedback that is used to control most functions and a second smaller console - mounted display below that functions as a control panel for the
climate system and seats and as a pad for handwriting inputs, a feature that has existed in Audis for several years.
The center console is a clutter - free sheet of «glass look» black with haptic -
feedback touch surfaces for adjusting the
climate - control
system, shock stiffness, and more.
According to our own Arthur St. Antoine, «The center console is a clutter - free sheet of «glass look» black with haptic -
feedback touch surfaces for adjusting the
climate - control
system, shock stiffness, and more.
The Uconnect team constantly evaluates consumer
feedback, placing a high priority on designing
systems that are intuitive for both tech - savvy customers as well as tech - averse drivers who prefer hard knobs to adjust the
climate or radio station.
Dean et al (2018) «Methane
Feedbacks to the Global
Climate System in a Warmer World» You present @ 37 a lot of blather from this wide - ranging study but fails to spot the main finding germane to the issue at hand.
This seems like a lucid argument for another possible complex
feedback in the
climate system.
There is possibly a chain mechanism underlying
climate system feedbacks.
I am interested in the lags in the
climate system and to see how the limit cycles may respond to minor amounts of positive
feedback, such as that due to CO2 outgassing with temperature.
The results of these simulations show that dust −
climate feedbacks, perhaps set off by orbital forcing, push the
system in and out of extreme cold conditions such as glacial maxima.
As part of a series of OCO - 2 papers being published this week, a new Science paper by Junjie Liu and colleagues used NASA's comprehensive Carbon Monitoring
System to analyze millions of measurements from OCO - 2 and other satellites to map the impact of the 2015 - 16 El Niño on sources and sinks of CO2, providing insight into the mechanisms controlling carbon -
climate feedback.
For this subsystem, many of the longer term
feedbacks in the full
climate system (such as ice sheets, vegetation response, the carbon cycle) and some of the shorter term bio-geophysical
feedbacks (methane, dust and other aerosols) are explicitly excluded.
In reality the
climate system won't accord strictly to Boltzmann's laws of distribution of states due to it's complexity and the possibility of threshold effects (phase changes) /
feedbacks and so on.
Florrie @ 166 — The
climate system contains some positive, i.e., enhancing
feedbacks.
Being an engineer, and at least having a slight appreciation for the complexity of the global
climate and associated
feedback systems, and the challenges of long term future projections, I couldn't help but wonder if there might be some other
climate systems in play that have not yet been discovered.