نتایج جستجو برای: climate change assessment
تعداد نتایج: 1202186 فیلتر نتایج به سال:
O ne of the great challenges of the 21st century will be to increase the global food and timber supply to accommodate a world growing to 10 billion or more people while undergoing climate change. Success in meeting this challenge will require a steady stream of technical and institutional innovations to increase food and timber production while simultaneously adapting to changing climatic condi...
Climate change is occurring in the Southeastern United States, and one manifestation is changes in frequency and intensity of extreme events. A vulnerability assessment is performed in the state of Georgia (United States) at the county level from 1975 to 2012 in decadal increments. Climate change vulnerability is typically measured as a function of exposure to physical phenomena (e.g., droughts...
Abstract This study examines the effects of climate change on runoff in the Yellow River basin in Khuzestan province. In this study, the combination of 14 general circulation models under two emission scenarios A2 and B1 were used for simulating the climatic variables in the next period (2025-2054) compared to the baseline period (1971-2000). The weighting method of mean observed temperature...
We review recent work in the integrated assessment modeling of global climate change. This field has grown rapidly since 1990. Integrated assessment models seek to combine knowledge from multiple disciplines in formal integrated representations; inform policy-making, structure knowledge, and prioritize key uncertainties; and advance knowledge of broad system linkages and feedbacks, particularly...
1. M. A. El-Sayed, Acc. Chem. Res. 34, 257 (2001). 2. C. B. Murray, C. R. Kagan, M. G. Bawendi, Annu. Rev. Mater. Sci. 30, 545 (2000). 3. V. C. Sundar, H. J. Eisler, M. G. Bawendi, Adv. Mater. 14, 739 (2002). 4. M. A. Petruska, A. V. Malko, P. M. Voyles, V. I. Klimov, Adv. Mater. 15, 610 (2003). 5. C. T. Black, C. B. Murray, R. L. Sandstrom, S. H. Sun, Science 290, 1131 (2000). 6. M. Pileni, J....
We present a decomposition approach for integrated assessment modeling of climate policy based on a linear approximation of the climate system. In our formulation the economic and natural science components are processed independently on different time scales. Turnpike properties of the Ramsey growth model can be exploited to provide a precise representation of post-terminal emissions and to re...
This article describes a climate change and hydrological impact assessment for several basins in Georgia. First, a new statistical technique, Joint Variable Spatial Downscaling (JVSD), is developed to produce high resolution gridded hydrological datasets for the Southeast US from 13 different Global Circulation Models (GCMs). A lumped conceptual watershed model (Georgakakos et al., 2010) is the...
Acts of scientific calculation have long been considered central to the formation of the modern nation state, yet the transnational spaces of knowledge generation and political action associated with climate change seem to challenge territorial modes of political order. This article explores the changing geographies of climate prediction through a study of the ways in which climate change is re...
Climate change is an important social issue and the subject of much research, both to understand the history of the Earth’s changing climate and to foresee what changes to expect in the future. Approximately every five years starting in 1990 the Intergovernmental Panel on Climate Change (IPCC) publishes a set of reports that cover the current state of climate change research, how this research ...
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