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Climate Vulnerability in Asia`s High Mountains
Climate Vulnerability in Asia`s High Mountains

... Management strategies are complicated by large spatial gradients in precipitation regimes throughout AHM, and management strategies based on regional estimates of climate change are unlikely to apply at smaller scales. Distinct climatological influences, such as summer monsoons and winter westerly d ...
Climate Change and Our Natural Resources A Report from the
Climate Change and Our Natural Resources A Report from the

... Figure 5: Egg-to-migrant survival for juvenile chinook in the Stillaguamish River under a range of annual peak flow magnitudes. Source: Stillaguamish Tribe of Indians...................................................................................................................................... ...
A Situation Analysis of Climate Change Adaptation Initiatives in
A Situation Analysis of Climate Change Adaptation Initiatives in

Climate change and the South Asian summer monsoon
Climate change and the South Asian summer monsoon

... recent observed record despite increasing carbon dioxide. On the simplest level, the direct radiative effect limits the solar radiation reaching the Earth’s surface, reducing the surface meridional thermal contrast and partially countering the impact of increasing carbon dioxide. Indeed, scattering ...
Climate Vulnerability in Asia`s High Mountains
Climate Vulnerability in Asia`s High Mountains

... Management strategies are complicated by large spatial gradients in precipitation regimes throughout AHM, and management strategies based on regional estimates of climate change are unlikely to apply at smaller scales. Distinct climatological influences, such as summer monsoons and winter westerly d ...
Learning to Live in a Changing Climate
Learning to Live in a Changing Climate

... Climate change presents one of the greatest development challenges of our time, and it is now clear that the eradication of poverty and inequality cannot be achieved without also addressing the causes and consequences of climate change. At the global level this requires a twin-track approach, of bot ...
Boreal and temperate snow cover variations
Boreal and temperate snow cover variations

... changes of the MNDWS considering such aerosol ship emissions. These changes are generally not statistically significant in boreal continents, except in Quebec and in the West Siberian plains, where they range between −5 and −10 days. They are induced both by radiative forcings of the aerosols when t ...
3. Ranking Criteria and Examples
3. Ranking Criteria and Examples

...  Pre-2006 and after 1st November 2012  Neither indexed nor available from ISI Web of Knowledge ...
PDF
PDF

... Most scientists agree that the earth’s climate is changing, and the Intergovernmental Panel on Climate Change (IPCC) projects that sub-Saharan Africa (SSA) will be one of the most severely affected regions. Temperatures across SSA are projected to increase 3-4° Celsius over the course of the 21st ce ...
Adaptation made to measure
Adaptation made to measure

... With its wide-ranging impacts, climate change has become one of the major challenges to humankind. More frequent natural disasters, mounting weather extremes, increasing water scarcity, flooded coastal areas and accelerated species extinction count among the direct impacts of climate change in almos ...
The Economics of Climate Change in the Pacific
The Economics of Climate Change in the Pacific

... limited agricultural land and high population densities, with their economic activities mostly concentrated on low-lying coastal areas. Rising sea level is thus projected to significantly impact their coastal cities and communities as well as damage infrastructure and human habitats. Moreover, over ...
Potential changes in forest composition could reduce impacts of
Potential changes in forest composition could reduce impacts of

... rating of fire spread (initial spread index, ISI), the fuel available for combustion (build-up index, BUI), and an approximation of the difficulty of controlling fires (daily severity rating, DSR). It is important to note that the FWI System estimates fire behavior without regard for fuel types and, hen ...
Committee on America's Climate Choices; National Research Council
Committee on America's Climate Choices; National Research Council

... change? This is the fundamental question addressed by America’s Climate Choices—a suite of activities requested by the U.S. Congress and conducted by the U.S. National Research Council. Book shelves and the internet are replete with studies of climate change: Why conduct another one? First among the ...
Win-win? CDM hydropower projects and their - diss.fu
Win-win? CDM hydropower projects and their - diss.fu

... Hydropower within the CDM The CDM comprises a multitude of technologies that are supposed to avoid or reduce the GHGs regulated under the Kyoto Protocol1. Eligible are mainly renewable energy and energy efficiency projects as well as technologies that capture and burn certain industrial or landfill ...
Upper bounds on twenty-first-century Antarctic ice loss assessed
Upper bounds on twenty-first-century Antarctic ice loss assessed

... the probability of an abrupt change in PIG and B15R discharge to 8⇥ SMB to 1: an immediate collapse. Although spatially correlated discharge growth increases the spread of SLR projections, its influence on upper bounds is limited relative to increases in the likelihood of higher discharge in many dr ...
Report of the Ad Hoc Technical Expert Group on Biodiversity and
Report of the Ad Hoc Technical Expert Group on Biodiversity and

... that needed full consideration by chapter authors for developing the final version of the report. As a whole, review comments on the second version were positive, but it was stressed that many specific aspects needed further attention from chapter authors for producing the final version of the repor ...
Effects of climate change on an emperor penguin population
Effects of climate change on an emperor penguin population

... Effects of climate change on an emperor penguin population: analysis of coupled demographic and climate models. ...
Open resource
Open resource

... as being due, in part, to a positive albedo feedback loop: as the air temperature increases, the sea ice cover (which presents a bright, white, highly reflective surface) melts and reveals the darker ocean surface. This dark surface absorbs more solar energy during the summer season when the sun nev ...
Anchoring amid uncertainty - Personal Page: Prof. Dr. Jeroen van
Anchoring amid uncertainty - Personal Page: Prof. Dr. Jeroen van

... limits on our capacity to handle complexity, and computer limitations (these issues will be discussed in detail in chapter 5). These circumstances make the assessment of future anthropogenic climate change and its impacts an extremely difficult and partly impossible task. The scientific basis for th ...
Climate change and challenges for tourism in Central America
Climate change and challenges for tourism in Central America

... [http://www.gdrc.org/uem/eco-tour/Davos-Declaration_2007.pdf]. ...
climate change adaptation plan
climate change adaptation plan

... climate-related impacts is part of the Department of Housing and Urban Development’s (HUD’s) mission to create strong, sustainable, inclusive communities, and quality affordable homes for all ...
Climate Change Act 2017
Climate Change Act 2017

... The Parliament of Victoria recognises on behalf of the people of Victoria that the international community has reached agreement to hold the global average temperature increase to well below 2 degrees Celsius above pre-industrial levels and to pursue efforts to limit the temperature increase to 1·5 ...
Full text pdf - TU Delft: TBM
Full text pdf - TU Delft: TBM

... understanding of climate change and their preparedness to adapt to changing environmental conditions. They found uniformity in the response with most agreeing on the need to have infrastructures in place by the end of the century to meet changed climate conditions and concluded that “the world port ...
Climatic Impact of Volcanic Eruptions
Climatic Impact of Volcanic Eruptions

... great speed, ultimately spreading outward over the entire landscape beyond the erupting volcano. Despite this process, very buoyant coignimbrite clouds are produced from these pyroclastic flows, clouds that may reach heights similar to the plinian phase of an eruption (for example, Fig. 3 in[27]). O ...
Climates of suspicion - Geoengineering Governance Research
Climates of suspicion - Geoengineering Governance Research

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Attribution of recent climate change



Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent changes observed in the Earth's climate, commonly known as 'global warming'. The effort has focused on changes observed during the period of instrumental temperature record, when records are most reliable; particularly in the last 50 years, when human activity has grown fastest and observations of the troposphere have become available. The dominant mechanisms (to which recent climate change has been attributed) are anthropogenic, i.e., the result of human activity. They are: increasing atmospheric concentrations of greenhouse gases global changes to land surface, such as deforestation increasing atmospheric concentrations of aerosols.There are also natural mechanisms for variation including climate oscillations, changes in solar activity, and volcanic activity.According to the Intergovernmental Panel on Climate Change (IPCC), it is ""extremely likely"" that human influence was the dominant cause of global warming between 1951 and 2010. The IPCC defines ""extremely likely"" as indicating a probability of 95 to 100%, based on an expert assessment of all the available evidence.Multiple lines of evidence support attribution of recent climate change to human activities: A basic physical understanding of the climate system: greenhouse gas concentrations have increased and their warming properties are well-established. Historical estimates of past climate changes suggest that the recent changes in global surface temperature are unusual. Computer-based climate models are unable to replicate the observed warming unless human greenhouse gas emissions are included. Natural forces alone (such as solar and volcanic activity) cannot explain the observed warming.The IPCC's attribution of recent global warming to human activities is a view shared by most scientists, and is also supported by 196 other scientific organizations worldwide (see also: scientific opinion on climate change).
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