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Warming World
Warming World

... move up and down through the ocean show an increase in the heat energy stored in the top half-mile of ocean water. ...
Review on Ocean Heat Content and Ocean
Review on Ocean Heat Content and Ocean

... pre-industrial times to 1950 and a small cooling effect from 1950 onward. Climate model projections summarized by the IPCC indicate that average global surface temperature will likely rise a further 1.1 to 6.4 °C during the twenty-first century. This range of values results from the use of differing ...
Biblio RTF Export - GLISAclimate.org
Biblio RTF Export - GLISAclimate.org

... impact of climate change on hydrology." Journal of Hydrology. 401 (2011): 190-202. Campbell, Philip. "Understanding the receivers and the reception of science's uncertain messages." Philos Transact A Math Phys Eng Sci. 369.1956 (2011): 4891-912. Coleman, Jill S. M., and Dagmar Budikova. "Atmospheric ...
Climate hypersensitivity to solar forcing?
Climate hypersensitivity to solar forcing?

... 1993), slightly less than 1 W mÿ2 (0.5% of Stot converted into forcing at the top of atmosphere), is signi®cantly smaller than the estimated global forcing of 2:4  0:4 W mÿ2 resulting from the increases of the anthropogenic GHG concentrations over the last 100 years (e.g., IPCC, 1996). There is thu ...
Progress in Modeling the Impact of Land Cover Change on the Global Climate (PiPG - December 2006 Issue)
Progress in Modeling the Impact of Land Cover Change on the Global Climate (PiPG - December 2006 Issue)

... Abstract: The prediction of the impact of anthropogenic land use change on the climate system hinges on the ability to properly model the interaction between the heterogeneous land surface and the atmosphere in global climate models. This paper contains a review of techniques in general use for mode ...
Address
Address

... adopt a range of policy and program approaches. Small-scale farms account for a large share of global agricultural land use, rural employment, and often are operated by women. They are more likely to engage in mixed crop and livestock agriculture that includes trees, which are likely to be more resi ...
cordillera azul: transforming communities, forests and
cordillera azul: transforming communities, forests and

... name the ‘jewel of the Peruvian Amazon’. And we want to help keep it that way. greenhouse gas causing climate change. Which means that protecting our forests, such the one in Cordillera Azul National Park, is critical to managing global climate change. By effectively putting a value on the carbon th ...
CFK Final Project Report - Carbon Farming Knowledge
CFK Final Project Report - Carbon Farming Knowledge

... The Carbon Farming Knowledge project has proven to be extremely effective in engaging 30 farm advisers, who are the key influencers of farmers across south eastern Australia, in building their knowledge, understanding and attitude to reducing GHG emissions on farm and storing carbon across the farmi ...
Building the Resilience of Landlocked Developing Countries to the
Building the Resilience of Landlocked Developing Countries to the

... biodiversity. The temperatures over the African continent have been increasing since the 1960s; for example, the decadal warming rates of 0.29° C was recorded in the African tropical forests. Increasing temperatures are threatening some crop varieties, such as coffee and tea, and thereby increasing ...
United Nations Framework Convention on Climate Change [UNFCCC]
United Nations Framework Convention on Climate Change [UNFCCC]

... produced) Greenhouse gas emissions are increasing the atmosphere’s ability to absorb infra-red radiation. As a result, a lot of energy that would normally be reflected back into space is being trapped within Earth’s atmosphere, which in turn increases the Earth’s surface temperature, keeping it warm ...
to a  of the full chapter
to a of the full chapter

... century show that the global average sea level rose at a rate of about 1.7 mm per year whilst estimates derived from satellite measurements for the period 1993 to 2012 indicate a rise of 3.18 mm per year. Sea levels are rising primarily because increasing global temperatures cause thermal expansion ...
View item 23. as DOC 164 KB
View item 23. as DOC 164 KB

... term). Also, these priority habitats and associated species will now be more likely to be able to adapt to future climate change. The improvements will also potentially help improve biodiversity, water quality and moderate flash flooding. In November 2010, 'Our Moors, Our Planet' was short-listed (f ...
2015 NGPR Leadership Symposium
2015 NGPR Leadership Symposium

... My research examines interactions between atmospheric aerosols and solar radiation with a specific focus on the relationship between aerosol chemistry and the wavelength-dependence of aerosol light absorption. I am also interested in how aerosol-radiation interactions impact light-driven chemical re ...
A decade of weather extremes - Potsdam Institute for Climate Impact
A decade of weather extremes - Potsdam Institute for Climate Impact

... But 2011 was not unique: the past decade as a whole has seen an exceptional number of unprecedented extreme weather events, some causing major human suffering and economic damage4 (Table  1 and Fig. 1). In August 2010, the World Meteorological Organization issued a statement on the “unprecedented se ...
Natural and forced air temperature variability in the Labrador region
Natural and forced air temperature variability in the Labrador region

... Jones et al. 2012; GISS, Hansen et al. 2010) to study this region for the following reasons: (a) the BEST data set is quality-controlled and homogenized to compensate for erroneous measurements and station inhomogeneities (Rhode et al. 2013a), (b) it includes a larger meteorological data network tha ...
New feed sources key to ambitious climate targets | Carbon Balance
New feed sources key to ambitious climate targets | Carbon Balance

... intensify as populations and the effects of climate change expand. Despite research into microalgae as a next-gen‑ eration energy source, the land-sparing consequences of alternative sources of livestock feed have been overlooked. Here we use the FeliX model to quantify emissions pathways when micro ...
Climate change and the groundwater
Climate change and the groundwater

... review provides an insight into the factors responsible for climate change, its effects on groundwater quantity and quality on a global scale with emphasis on Indian groundwater resources and anticipated mitigation strategies. Keywords: Aquifers, climate change, groundwater zones, mitigation strateg ...
Sida`s Portfolio within Environment and Climate Change 2012
Sida`s Portfolio within Environment and Climate Change 2012

Presentation
Presentation

... Can also think about just two categories Methods that change the chemistry of systems • These typically address the acidification issue as well as climate change ...
Read the full comment letter here - Competitive Enterprise Institute
Read the full comment letter here - Competitive Enterprise Institute

... Heat-related mortality continued to decline in the 2000s. Bobb et al. (2014) examined summer temperature data and all-cause mortality in 105 U.S. cities during 1987-2005. They found that the heatmortality risk of elderly people declined to levels about the same as people in middle age: “While heatre ...
Greenhouse Gas Accounting Terminology
Greenhouse Gas Accounting Terminology

... and then reradiated back toward the earth's surface. If the atmospheric concentrations of these  greenhouse gases rise, the average temperature of the lower atmosphere will gradually  increase.  Greenhouse Gases (GHGs): For the purposes of this standard/guidance, GHGs are the six gases  listed in th ...
5.3.2.7 Climate Change Temperature Rise
5.3.2.7 Climate Change Temperature Rise

... stream flows, coupled with increasing demand for water resulting from a growing population and from a hotter climate, could lead to increasing water shortages. California’s water resources are already overstretched by the demands of a growing economy and population. Agricultural areas would be hard ...
Eurasian Arctic greening reveals teleconnections and the potential
Eurasian Arctic greening reveals teleconnections and the potential

... circumpolar deciduous shrub species in the Low Arctic (Salix lanata L. and Alnus fruticosa Rupr.), and intensive ground truthing over three sites across the Low Arctic of NWET (Fig. 1). Our results strongly suggest that recent sea ice retreat has had a limited influence on tundra productivity in the ...
At the Frontlines of Climate Change—Oceans, Coasts, and Small
At the Frontlines of Climate Change—Oceans, Coasts, and Small

... Reductions in Greenhouse Gas Emissions The negative consequences of climate change on oceans, coasts, and SIDS may be dire and could be irreversible. Utmost caution needs to be exercised to ensure the continuing functioning of the oceans in sustaining life on Earth by generating oxygen, absorbing ac ...
Climate Change in the American Mind: Americans` Global Warming
Climate Change in the American Mind: Americans` Global Warming

... Americans’ belief in the reality of global warming has increased by 13 percentage points over the past two and a half years, from 57 percent in January 2010 to 70 percent in September 2012. At the same time, the number of Americans who say global warming is not happening has declined nearly by half, ...
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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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