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Issue 04 Autumn 2006
Issue 04 Autumn 2006

... The total CO2 uptake, computed by integrating the excess DIC down to 150 m relative to the average DIC concentration in the top 50 m of the profile was about 9 g C m-2. If this entire signal was attributed to the winter season of 2001-2002, the CO2 uptake is about 25% of that estimated into the Bare ...
Word - Oceanclimate.de
Word - Oceanclimate.de

... For the last 150 years, two areas of modern science have been concerned with the climate: meteorology and the scientists who have studied questions of geophysics in its widest sense. These include among their number the physicist Svante Arrhenius, who was awarded the Nobel Prize for Chemistry in 190 ...
Lindene E. Patton
Lindene E. Patton

... Increased litigation relating to climate change and GHG emissions could result in costs to commercial and corporate entities. These costs will most likely take the form of defence costs as litigation proceeds, but may ultimately result in significant court awards to plaintiffs. The key issue is whet ...
Re-Investigating Climate Change
Re-Investigating Climate Change

... repeated reports of a failure to agree various “environmental targets” at a number of “climate summits” that have taken place over the last few years (Kyoto1, Copenhagen2 and so on). A troubling development in the last few years has been open discussion of Geoengineering – modifying the earth’s clim ...


... Under the United Nations Framework Convention on Climate Change, (UNFCCC), Ireland makes an annual report on greenhouse gas emissions related to agricultural land management. Although grassland is the dominant land use type in Ireland, cropland areas are significant in certain parts of the country, ...
Quest - Academy of Science of South Africa
Quest - Academy of Science of South Africa

... crops are failing. The next good rain in these areas of the country is predicted for March 2016 – too late for many. The El Niño weather system that affects this part of the world every five years or so is cited as the main reason – but El Niño is becoming a stronger weather system as the oceans war ...
Managing Water Resources for Climate Change
Managing Water Resources for Climate Change

... The impacts of climate change are calculated through the use of scientific models called Global Circulation Models (GCM). There are a number of such models, and each is based on slightly different assumptions or rules. Because of the number of different factors affecting the global climate, it is ve ...
Guest Speakers and Presentations
Guest Speakers and Presentations

... and precipitation will play out locally, how expected changes may vary throughout the seasons, and about new  climate extremes. A recent study by Pacific Climate Impacts Consortium (PCIC) helps to understand the details of  how the region’s climate may change by end of century.  Models project warme ...
Energy and the Environment: a cold climate for climate change
Energy and the Environment: a cold climate for climate change

Robustness of pattern scaled climate change scenarios for adaptation decision support
Robustness of pattern scaled climate change scenarios for adaptation decision support

... regional/local spatial scales however, processes other than radiative transfer are important in determining local climate. For instance Lawrence et al [20] show that even though land cover changes in the community climate system model (CCSM) do not result in very significant global changes, larger re ...
BIRD FLU: A PUBLIC HEALTH CONCERN – WHAT YOU NEED …
BIRD FLU: A PUBLIC HEALTH CONCERN – WHAT YOU NEED …

... Of 126 OIE's Member Countries and Territories who took part in a study in 2006, 71% stated they were extremely concerned at the expected impact of climate change on emerging and re-emerging diseases. 58% identified at least one emerging or re-emerging disease on their territory that was believed to ...
Globalization, Climate Change, and Human Health
Globalization, Climate Change, and Human Health

... fundamentally influence patterns of human health, international health care, and public health activities.2 They constitute a syndrome, not a set of separate changes, that reflects the interrelated pressures, stresses, and tensions arising from an overly large world population, the pervasive and inc ...
Chlorophyll a reconstruction from in situ measurements: 2. Marked
Chlorophyll a reconstruction from in situ measurements: 2. Marked

... Marine primary production by phytoplankton plays a key role in the global carbon uptake and is therefore an important factor influencing the global climate [Charlson et al., 1987; Murtugudde et al., 2002; Boyce et al., 2012]. Nearly half of the planetary primary production takes place in the euphotic ...
Establishing Accountability for Climate Change Damages: Lessons
Establishing Accountability for Climate Change Damages: Lessons

... compare the evolution of public attitudes and legal strategies related to tobacco control with those related to anthropogenic climate change, fostering an exploratory, open-ended dialogue about whether we might use the lessons from tobacco-related education, laws, and litigation to address climate c ...
Climate diplomacy: Drawing conclusions and recommendations
Climate diplomacy: Drawing conclusions and recommendations

... His engagement contributed significantly to the establishment of the Conference of African Heads of State on Climate Change (CAHOSCC), which has served as the political wing of African climate change negotiators up until now. P.M. Meles also helped guide Ethiopia towards establishing its Climate Res ...
full text
full text

... RF of carbonaceous aerosols, others the RF of BC alone, and still others the net temperature change due to carbonaceous aerosols. Furthermore, the efficacy of BC as a climate warming agent (i.e., the global equilibrium temperature response per unit RF by BC relative to the response to RF by CO2 ) is ...
Climate change, biodiversity conservation, deforestation and its
Climate change, biodiversity conservation, deforestation and its

... Evidence produced in several studies since the early 1990s suggests that large-scale conversion of tropical forests into pastures or annual crops could lead to changes in the climate. Thus, it has been documented that land-use change impacts regional and global climate through the surface-energy bud ...
Understanding the Challenges of Climate Change on Business: A Study on RMG Sector in Bangladesh:
Understanding the Challenges of Climate Change on Business: A Study on RMG Sector in Bangladesh:

... It has been found that many researchers have already studied about the impacts of climate change on human rights, agriculture, and food production of Bangladesh; but there are a few studies about the impacts of climate change on business or industry, especially on the Ready-Made Garments (RMG), the ...
Entire Report  - Center for Climate and Energy
Entire Report - Center for Climate and Energy

... important, a more immediate concern is that they cause local and regional air pollution that affects human health, crop productivity, and ecosystems. Moreover, their climatic effects are mainly regional, or even local, and this feature creates difficulties for the use of a single index to represent ...
Understanding the variability of the El
Understanding the variability of the El

... ecological damage and human health issues. Although scientists now understand the basic mechanisms behind the ENSO cycle fairly well, some major questions remain, such as why some ENSO events are much stronger than others and how ENSO will be affected by future climate change. Considerable uncertain ...
Quaternary of South-West England
Quaternary of South-West England

... between the Atlantic and Pacific oceans, and replaced it with a meridional flow in the North Atlantic. In this way, warmer waters were able to reach higher latitudes, thus creating the potential for increased precipitation and ice-sheet growth on adjacent continents. As sea temperatures fell, polar ...
Climate-Smart Agriculture Success Stories - CGSpace
Climate-Smart Agriculture Success Stories - CGSpace

... continue to do so for the foreseeable future, no matter what measures are now taken. For agriculture, change will also be significant, as temperatures rise, rainfall patterns change and pests and diseases find new ranges, posing new risks to food and farming. Until recently, agriculture has tended t ...
Impact of Climate Change on the Aral Sea and Its Basin
Impact of Climate Change on the Aral Sea and Its Basin

... The Aral Sea drainage basin area is approximately 1,874,000 km2, of which the individual Amu Darya and Syr Darya catchments constitute a major part, and smaller catchment areas amount to about 321,000 km2 (Shibuo et al. 2007). Afghanistan, Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan share th ...
Social Mobilization Summary Report - Pacific Institute for Climate
Social Mobilization Summary Report - Pacific Institute for Climate

... 3. Prepare the ground: allow lead time to foster initial social learning before the project is formally introduced to the community (e.g. to build awareness, explain the process, explore their values and concerns, get their suggestions, get them comfortable with the idea, etc.). Good initiative ...
Climate change in size-structured ecosystems
Climate change in size-structured ecosystems

... functioning of ecological communities over the next several decades. Specific changes will include shifts in the means and variability of ecologically important factors, including temperature, precipitation, irradiance and wind. While all of these aspects of climate change are likely to have profoun ...
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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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