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CHAPTER 2 OUR CHANGING CLIMATE Climate Change Impacts in the United States
CHAPTER 2 OUR CHANGING CLIMATE Climate Change Impacts in the United States

... Figure 2.2. Global annual average temperature (as measured over both land and oceans) has increased by more than 1.5°F (0.8°C) since 1880 (through 2012). Red bars show temperatures above the long-term average, and blue bars indicate temperatures below the long-term average. The black line shows atmo ...
Topic 12: Agriculture, Climate Change and Adaptation
Topic 12: Agriculture, Climate Change and Adaptation

... stocks and obsolescence of technology. ...
Pribulick_mines_0052N_10764
Pribulick_mines_0052N_10764

... catchment response to climate as increased temperature didn’t take effect until the year 2040. As a result, precipitation shifted from snow to rain by spring and average daily snowpack fell below baseline conditions by year 2050. They also noticed by year 2060 that peak snowmelt shifted from June to ...
What is climate change?
What is climate change?

... More extreme weather events including hurricanes, flash floods, droughts and heat waves. Less rain overall, especially in the south and east in summer (i.e. where water shortages are already the biggest potential problem), although there may be more in the west and in winter (i.e. where excess rain ...
insects at not so low temperature
insects at not so low temperature

... fitness after genetically-determined responses to day length have been factored out. As shown in Figure 3E, northern populations achieved a greater fitness in the warmer, more southern thermal year (Fig. 3C) than in their native northern thermal year (Fig. 3B). These results are in accord with previ ...
The lore of low methane livestock: co
The lore of low methane livestock: co

... Bruce Life Sciences, Society and Policy 2013, 9:10 http://www.lsspjournal.com/content/9/1/10 ...
EU cities and regions leading the way against climate change
EU cities and regions leading the way against climate change

... countries that they must be more ambitious – because we, the cities and regions of the world, are behind them. We are already doing it on the ground and we are ready to do more. The European Committee of the Regions – the EU assembly of cities and regions – called on the EU to upgrade its own commit ...
Climate change policy in Alberta Backgrounder  At a glance
Climate change policy in Alberta Backgrounder At a glance

... Alberta’s emissions regulation applies to industrial facilities that emit over 100,000 tonnes of greenhouse gases per year. At this threshold, 106 facilities fall under the regulation, including oilsands production and processing, natural gas processing, electricity generation, chemical manufacturin ...
Taking the temperature - Sustainable Development Unit
Taking the temperature - Sustainable Development Unit

... Retreating glaciers, longer growing seasons, shifts in species ranges and health impacts due to the 2003 heatwave are all cited as examples of climate change already causing disruption in northern Europe. Future warming will magnify these and other impacts, such as large-scale coastal flooding. Huge ...
Multi-hazard assessment in Europe under climate change
Multi-hazard assessment in Europe under climate change

... consistent decreases in EAFE up to −100 % (Fig. 2). Significance increases with time while climate variability shows variable tendencies depending on the return levels (S > 75 % and CV over 60 % by the end of the century). Most of Europe, especially Western, Eastern and Central regions, could experi ...
Adapting ecosystems to climate change
Adapting ecosystems to climate change

... waters in south-east and west Australia are already substantially higher than the global average warming rate (Figure 1). Sea surface temperatures in south-east Australian waters are projected to be at least 2.5ºC warmer by 2100. The East Australian Current (EAC) is expected to continue to increase ...
Development and Climate Change: A Strategic Framework for the
Development and Climate Change: A Strategic Framework for the

... This Strategic Framework serves to guide and support the operational response of the World Bank Group (WBG) to new development challenges posed by global climate change. Unabated, climate change threatens to reverse hard-earned development gains. The poorest countries and communities will suffer the ...
The global land shortwave cryosphere radiative effect during the
The global land shortwave cryosphere radiative effect during the

... Snow- and ice-covered surfaces are the most reflective regions on Earth, and their extent can change substantially with small changes in climate. The presence of Earth’s cryosphere greatly alters the planet’s albedo and changes in cryospheric extent and reflectivity therefore partially determine the ...
WHAT IS WRONG WITH STERN? Peter Lilley MP The Global Warming Policy Foundation
WHAT IS WRONG WITH STERN? Peter Lilley MP The Global Warming Policy Foundation

... achieved even less. Meanwhile there is growing awareness that the UK’s contribution to world emissions is tiny - barely 2% of the total and less than the increase in China’s emissions in a single year. And China has no intention of signing up to a binding commitment to cut its emissions. Economic di ...
Desert dust and anthropogenic aerosol interactions
Desert dust and anthropogenic aerosol interactions

... Anthropogenic and natural aerosols represent an additional process that has not yet been fully incorporated into coupled carbon-climate models. Aerosols are solids or liquids suspended in the atmosphere. They interfere with incoming and outgoing radiation, and potentially impact cloud formation (e.g ...
Impacts of climate and land-use changes on floods in an urban
Impacts of climate and land-use changes on floods in an urban

... INTRODUCTION Projected rapid land-use changes when coupled with climate change, could potentially lead to increased flood risk which may have a deleterious impact on infrastructure (Ewen & Parkin, 1996). The precise effects of such changes are difficult to predict. For example, the current once in 1 ...
coping with climate change: the importance of genetic resources for
coping with climate change: the importance of genetic resources for

... crop flowering, enhanced pathways for invasive alien species, and improved conditions for pests and parasites. As temperatures rise and lead to range and phenological changes, it is reasonable to expect that the distribution and abundance of arthropods, including vectors of diseases, will generally ...
PDF
PDF

... literature is that changes in temperature and precipitation result in changes in land and water regimes that subsequently affect agricultural productivity (Kurukulasuriya and Rosenthal 2003). Analysis of our climate data for the U.S. indicates that average temperature has risen by roughly 0.04◦C per ...
report_workshop_14.10.10
report_workshop_14.10.10

... methodology has been developed across different Work Packages, which is tested stage by stage by the different expert couplets and will lead to 9 adaptation strategies, one per expert couplet. Results are compared and lessons are learned. The first step in the elaboration of an adaptation strategy w ...
international legal implications of climate change for the polar
international legal implications of climate change for the polar

... between Arctic states,7 has led some commentators to suggest that the opportunities and challenges resulting from climate change will lead to conflict within the polar regions.8 However, despite the likely significant environmental impacts of climate change, and the potential indirect consequences o ...
The Montreal Protocol on Substances that Deplete the Ozone Layer
The Montreal Protocol on Substances that Deplete the Ozone Layer

... somewhat different picture. In the case of climate change, evidence from as far back as 1896 indicated that anthropogenic carbon dioxide (CO2) emissions could have a remarkable effect on the average global temperature, with a possible increase of 5°C if the level of CO2 in the atmosphere were to dou ...
Chapter 19 - The Future
Chapter 19 - The Future

... IEA assumes that this scenario has a 50 percent probability of limiting the average global temperature increase to 2°C by keeping total GHG concentrations to 450 ppm CO2eq. However, the 450 Scenario requires investment in and consumer spending on energy-related equipment totaling $15.2 trillion rela ...
Underwater: The Need for Massachusetts to Become Climate Ready
Underwater: The Need for Massachusetts to Become Climate Ready

... and making recommendations to the Executive Office of Energy and Environmental Affairs (EOEEA) on strategies for adapting to climate change. 25 In September 2011, the Advisory Committee produced a Massachusetts Climate Change Adaptation Report, which included a number of recommended strategies. 26 E ...
Ville Kumpu A climate for reduction? Futures imagined in
Ville Kumpu A climate for reduction? Futures imagined in

... the effort of the MediaClimate network to explore and compare the coverage of climate summits across the world [29,20,30,31]. Connected to this effort the coverage of HS and IS was analyzed using a coding scheme that classified the genre, size, location of the stories and people quoted in the storie ...
Chapter 5
Chapter 5

... mainland in 2071-2100 will, compared to now, have some 35-40 more days with a maximum daily temperature of 35ºC or more, while even greater will be the increase (by around 50 at the national level) in the number of tropical nights (when minimum temperatures do not fall below 20ºC). On the other hand ...
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Climate change feedback



Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each climate forcing, and so play an important part in determining the climate sensitivity and future climate state. Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first. Positive feedback amplifies the change in the first quantity while negative feedback reduces it.The term ""forcing"" means a change which may ""push"" the climate system in the direction of warming or cooling. An example of a climate forcing is increased atmospheric concentrations of greenhouse gases. By definition, forcings are external to the climate system while feedbacks are internal; in essence, feedbacks represent the internal processes of the system. Some feedbacks may act in relative isolation to the rest of the climate system; others may be tightly coupled; hence it may be difficult to tell just how much a particular process contributes. Forcings, feedbacks and the dynamics of the climate system determine how much and how fast the climate changes. The main positive feedback in global warming is the tendency of warming to increase the amount of water vapor in the atmosphere, which in turn leads to further warming. The main negative feedback comes from the Stefan–Boltzmann law, the amount of heat radiated from the Earth into space changes with the fourth power of the temperature of Earth's surface and atmosphere.Some observed and potential effects of global warming are positive feedbacks, which contribute directly to further global warming. The Intergovernmental Panel on Climate Change's (IPCC) Fourth Assessment Report states that ""Anthropogenic warming could lead to some effects that are abrupt or irreversible, depending upon the rate and magnitude of the climate change.""
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