نتایج جستجو برای: scenario emissions
تعداد نتایج: 153404 فیلتر نتایج به سال:
Exposure to surface ozone (O3), which is influenced by emissions of precursor chemical species, meteorology and population distribution, is associated with excess mortality and respiratory morbidity. In this study, the EMEP-WRF atmospheric chemistry transport model was used to simulate surface O3 concentrations at 5km horizontal resolution over the British Isles for a baseline year of 2003, for...
We develop individual-based Monte Carlo methods to explore how climate change can alter insect voltinism under varying greenhouse gas emissions scenarios by using input distributions of diapause termination or spring emergence, development rate, and diapause initiation, linked to daily temperature and photoperiod. We show concurrence of these projections with a field dataset, and then explore ...
The proper selection of treatment technologies may be an important opportunity for contributing to the reduction goals of greenhouse gases (GHG) emissions. Based on actual Mexican infrastructure data, the scenarios analyzed in this work show that the emission reduction from sewage treatment in Mexico could be as high as 34% if compared to the baseline scenario, depending on the treatment techno...
This study investigates the effects of reductions in nitrogen oxide (NOx) emissions from major point sources on daily maximum 8-h ozone concentrations in the eastern United States. The Community Multiscale Air Quality (CMAQ) model was utilized in photochemical simulations on a matrix of modeling scenarios permitting an examination of the separate effects of emission changes and meteorological i...
Reducing Emissions from Deforestation and Forest Degradation (REDD) is a climate change mitigation strategy employed to reduce the intensity of deforestation and GHGS emissions. In recent decades, drastic land use changes in Mazandaran province caused a substantial reduction in the amount of Hyrcanian forests. The present research based on objectives of REDD projects paid to identify of fore...
The Double dividend hypothesis briefly demonstrates that by replacing different kinds of distortionary taxes with environmental ones, not only the lesser pollutants would be emitted (the first merit), but the more productivity and public welfare would be gained (the second one). Given the urgent need of reducing emissions in Iran, levying taxes on carbon, aimed at reducing carbon dioxide by 12 ...
The extent to which current landscapes deviate from the historical range of natural variability (RNV) is a common means of defining and ranking regional conservation targets. However, climate-induced shifts in forest composition may render obsolete restoration strategies and conservation targets based on historic climate conditions and disturbance regimes. We used a spatially explicit forest ec...
The magnitude of future climate change depends substantially on the greenhouse gas emission pathways we choose. Here we explore the implications of the highest and lowest Intergovernmental Panel on Climate Change emissions pathways for climate change and associated impacts in California. Based on climate projections from two state-of-the-art climate models with low and medium sensitivity (Paral...
Urbanization and climate change are amongst the greatest challenges of the 21 st century. In the “Low Carbon Future Cities” project (LCFC), three important problem dimensions are analysed: current and future GHG emissions and their mitigation (up to 2050), resource use and material flows and vulnerability to climate change. The industrial city of Wuxi has been the Chinese pilot city of the proj...
Throughout Europe the summer of 2003 was exceptionally warm, especially July and August. The European Environment Agency (EEA) reported several ozone episodes, mainly in the first half of August. These episodes were exceptionally long-lasting, spatially extensive, and associated to high temperatures. In this paper, the 10–15 August 2003 ozone pollution event has been analyzed using meteorologic...
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