Climatic Change, Land Use and Food Security
... Carbon dioxide is undoubtedly, the most important greenhouse gas in the atmosphere. Changes in land use pattern, deforestation, land clearing, agriculture, and other activities have all led to a rise in the emission of carbon dioxide. Methane is another important greenhouse gas in the atmosphere. Ab ...
... Carbon dioxide is undoubtedly, the most important greenhouse gas in the atmosphere. Changes in land use pattern, deforestation, land clearing, agriculture, and other activities have all led to a rise in the emission of carbon dioxide. Methane is another important greenhouse gas in the atmosphere. Ab ...
Modes of the wintertime Arctic temperature variability Report No. 343
... exceed 0.25. This third mode is highly correlated (0.79) with the averaged SAT anomalies over the Arctic, perfectly describing the early century warming episode (Figure 2). The mode has its strongest positive SAT anomalies over the Kara and Barents Seas, the northern part of the Greenland Sea, and B ...
... exceed 0.25. This third mode is highly correlated (0.79) with the averaged SAT anomalies over the Arctic, perfectly describing the early century warming episode (Figure 2). The mode has its strongest positive SAT anomalies over the Kara and Barents Seas, the northern part of the Greenland Sea, and B ...
Cold Equations - Department of Mathematics, University of Utah
... Ackley says. “The ice is anisotropic, because it has inclusions—pockets of brine—that are conducting. Ken showed that the electromagnetic reflection looks different along the long axis of the inclusions than perpendicular to it. He published a paper in the Journal of Geophysical Research about this— ...
... Ackley says. “The ice is anisotropic, because it has inclusions—pockets of brine—that are conducting. Ken showed that the electromagnetic reflection looks different along the long axis of the inclusions than perpendicular to it. He published a paper in the Journal of Geophysical Research about this— ...
Ozone Layer Depletion and Its Consequences on Socio
... concentration of greenhouse gases and aerosols, both of which influence, and are influenced by climate. Recently, and especially over the past three or four decades, the issue of global climate change due to the greenhouse effects, including global warming and sea level rise have been a subject of s ...
... concentration of greenhouse gases and aerosols, both of which influence, and are influenced by climate. Recently, and especially over the past three or four decades, the issue of global climate change due to the greenhouse effects, including global warming and sea level rise have been a subject of s ...
Climate Change: How will it affect the natural environment in NSW?
... Human activities, such as burning fossil fuels for electricity, industry and transport are causing carbon pollution levels to rise, and our climate is changing as a result. NSW is faced with: ...
... Human activities, such as burning fossil fuels for electricity, industry and transport are causing carbon pollution levels to rise, and our climate is changing as a result. NSW is faced with: ...
Knowledge exchange in agriculture to help combat climate change
... to encourage adoption of adaptation and mitigation measures for climate change, and so this is a particular subject area where views of climate change should be understood. Management choices are influenced by internal and external motivations as well as perception of issues and the related risks th ...
... to encourage adoption of adaptation and mitigation measures for climate change, and so this is a particular subject area where views of climate change should be understood. Management choices are influenced by internal and external motivations as well as perception of issues and the related risks th ...
"Biological Impacts of Climate Change". In: Encyclopedia of Life
... The Earth’s climate has been in a state of change for most of the history of life, and ample evidence exists to show how biological systems respond to changes in temperature and moisture. We know from fossils and other remains of long dead organisms that biological systems have undergone dramatic ch ...
... The Earth’s climate has been in a state of change for most of the history of life, and ample evidence exists to show how biological systems respond to changes in temperature and moisture. We know from fossils and other remains of long dead organisms that biological systems have undergone dramatic ch ...
global action to address climate change
... convened to tackle climate change once more by signing on to the Paris Climate Agreement, which to date, is the most aggressive accord which commits nations in reducing emissions and implementing serious action. Yet, at the center of these gatherings and agreements there has been one global leader o ...
... convened to tackle climate change once more by signing on to the Paris Climate Agreement, which to date, is the most aggressive accord which commits nations in reducing emissions and implementing serious action. Yet, at the center of these gatherings and agreements there has been one global leader o ...
Forced Sahel rainfall trends in the CMIP5 archive.
... strengthen previous assessments of a substantial role of anthropogenic emissions in driving precipitation changes in the Sahel, the semi-arid region at the southern edge of the Sahara. Historical simulations can capture the magnitude of the centennial Sahel drying over the span of the 20th century a ...
... strengthen previous assessments of a substantial role of anthropogenic emissions in driving precipitation changes in the Sahel, the semi-arid region at the southern edge of the Sahara. Historical simulations can capture the magnitude of the centennial Sahel drying over the span of the 20th century a ...
The role of nitrogen in climate change and the impacts of nitrogen
... and stable form of N in the Earth system. Leaching of N to surface waters and groundwater has also increased substantially in the US and around the globe. Houlton et al. (this issue) estimate that approximately 13 % (4–5 Tg N) is released into the hydrosphere where it contributes to eutrophication ( ...
... and stable form of N in the Earth system. Leaching of N to surface waters and groundwater has also increased substantially in the US and around the globe. Houlton et al. (this issue) estimate that approximately 13 % (4–5 Tg N) is released into the hydrosphere where it contributes to eutrophication ( ...
The ocean`s role in polar climate change: asymmetric Arctic and
... atmospheric circulation over the past few decades, predominantly in late spring and summer. This shift has been attributed to polar ozone depletion in the Antarctic lower stratosphere [3,4]. The observed changes have the structural form of the Southern Annular Mode (SAM) in its positive phase: the s ...
... atmospheric circulation over the past few decades, predominantly in late spring and summer. This shift has been attributed to polar ozone depletion in the Antarctic lower stratosphere [3,4]. The observed changes have the structural form of the Southern Annular Mode (SAM) in its positive phase: the s ...
The Role Of Halocarbons In The Climate Change Of The
... efficiency is a radiative forcing per unit concentration, and is a measure of a halocarbons ability to alter surface temperature. Clouds absorb upwelling radiation from the surface and emit this at a cooler temperature, hence they reduce a halocarbons ability to warm the TTL. Using our cloud climato ...
... efficiency is a radiative forcing per unit concentration, and is a measure of a halocarbons ability to alter surface temperature. Clouds absorb upwelling radiation from the surface and emit this at a cooler temperature, hence they reduce a halocarbons ability to warm the TTL. Using our cloud climato ...
Climate change in the National Curriculum in England: Submission to a consultation by the Department for Education (102 kB) (opens in new window)
... observed that the Earth is warmer than it otherwise would be due to the trapping of heat by its atmosphere, more than 150 years since John Tyndall’s experiments showed that carbon dioxide and water vapour are greenhouse gases, and over 100 years since Svante Arrhenius published the first calculation ...
... observed that the Earth is warmer than it otherwise would be due to the trapping of heat by its atmosphere, more than 150 years since John Tyndall’s experiments showed that carbon dioxide and water vapour are greenhouse gases, and over 100 years since Svante Arrhenius published the first calculation ...
Emergent Properties of Scale in Global Environmental Modeling
... integrated assessment models are a special case – tends to be preoccupied with bottom-up aggregation and top-down disaggregation. Deep analysis of the underlying explanation of scale is missing. One of the intriguing propositions of complex systems theory is the emergence of new structures at a high ...
... integrated assessment models are a special case – tends to be preoccupied with bottom-up aggregation and top-down disaggregation. Deep analysis of the underlying explanation of scale is missing. One of the intriguing propositions of complex systems theory is the emergence of new structures at a high ...
the inuit case study - Center for International Environmental Law
... in international fora. For example, international Inuit communities organized the Inuit Circumpolar Conference to pursue an unprecedented complaint before the Inter-American ...
... in international fora. For example, international Inuit communities organized the Inuit Circumpolar Conference to pursue an unprecedented complaint before the Inter-American ...
The ocean`s role in polar climate change: asymmetric Arctic and
... atmospheric circulation over the past few decades, predominantly in late spring and summer. This shift has been attributed to polar ozone depletion in the Antarctic lower stratosphere [3,4]. The observed changes have the structural form of the Southern Annular Mode (SAM) in its positive phase: the s ...
... atmospheric circulation over the past few decades, predominantly in late spring and summer. This shift has been attributed to polar ozone depletion in the Antarctic lower stratosphere [3,4]. The observed changes have the structural form of the Southern Annular Mode (SAM) in its positive phase: the s ...
Global Warming - Atmospheric Aerosol Group
... “The journey to the answer is immensely complex and no one can say absolutely what the effect is. The greenhouse effect amplifies solar warming of the earth. Greenhouse gases such as H2O, CO2, and CH4 in the Earth’s atmosphere, through combined convective readjustments and the radiative blanketing e ...
... “The journey to the answer is immensely complex and no one can say absolutely what the effect is. The greenhouse effect amplifies solar warming of the earth. Greenhouse gases such as H2O, CO2, and CH4 in the Earth’s atmosphere, through combined convective readjustments and the radiative blanketing e ...
Managing Marine Resources in the Face of Climate Uncertainties
... Climate Change (“IPCC”) offered the most widely accepted and definitive consensus on the issue. The panel announced, “[t]here is new stronger evidence that most of the warming observed over the last [fifty] years is attributable to human activities.”17 Since then, contrarians have criticized the IPC ...
... Climate Change (“IPCC”) offered the most widely accepted and definitive consensus on the issue. The panel announced, “[t]here is new stronger evidence that most of the warming observed over the last [fifty] years is attributable to human activities.”17 Since then, contrarians have criticized the IPC ...
Impact of climate change on mountain environment dynamics
... them even more sensitive to climate change. In this arid region (150-300 mm mean annual precipitation) studied by Delbart et al., the annual snowmelt is the main source of running water and aquifer recharge, which directly supply the irrigated agriculture of the piedmont oases in Mendoza Province. T ...
... them even more sensitive to climate change. In this arid region (150-300 mm mean annual precipitation) studied by Delbart et al., the annual snowmelt is the main source of running water and aquifer recharge, which directly supply the irrigated agriculture of the piedmont oases in Mendoza Province. T ...
Programme of Study Example 1 Word Document | GCSE
... not suggest that these are the best examples to choose, although clearly they are relevant. Our advice remains that teachers should select examples that they can easily resource. Hodder will be publishing a textbook that follows this type of structure (i.e. it corresponds closely to the structure of ...
... not suggest that these are the best examples to choose, although clearly they are relevant. Our advice remains that teachers should select examples that they can easily resource. Hodder will be publishing a textbook that follows this type of structure (i.e. it corresponds closely to the structure of ...
1 January 6, 2016 Subject to revision The George Washington
... Key questions: What are the issues involved in choosing a discount rate when evaluating long-term benefits and costs? What are useful approaches to decision-making under uncertainty and to evaluating the risk of catastrophic change? Debate topics: (1) In evaluating possible mitigation policies, shou ...
... Key questions: What are the issues involved in choosing a discount rate when evaluating long-term benefits and costs? What are useful approaches to decision-making under uncertainty and to evaluating the risk of catastrophic change? Debate topics: (1) In evaluating possible mitigation policies, shou ...
On forced temperature changes, internal variability
... experiments [Stocker et al., 2013]. Estimates of the forced component of NH mean temperature were derived by averaging over large ensembles of independent realizations, such that the internal variability component approaches zero amplitude. We used both a sizeable ensemble (N = 24) of simulations fr ...
... experiments [Stocker et al., 2013]. Estimates of the forced component of NH mean temperature were derived by averaging over large ensembles of independent realizations, such that the internal variability component approaches zero amplitude. We used both a sizeable ensemble (N = 24) of simulations fr ...