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cityzen:objectives [2009-01-27 22:18:04] michaelg |
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====== CityZen Objectives ====== | ====== CityZen Objectives ====== | ||
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- | \\ | + | ===== Project summary ===== |
- | The objectives of CityZen | + | |
+ | CityZen aims at determining the air pollution distribution and change in and around hotspots over the last decade from extensive satellite and in-situ observations and employs a series of different scale models to analyze the impacts of air pollution hot spots on regional and global air quality, including potential future changes for various climate scenarios. The focus is on ozone and particulate matter (chemical and physical characterization), | ||
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+ | ===== The main objectives of CityZen | ||
* Quantify and understand current air pollution distribution and development in and around selected megacities/ | * Quantify and understand current air pollution distribution and development in and around selected megacities/ | ||
- | * Estimate the future impact from emission changes with a focus on the effect of rapid growth in the population of megacities/ | + | * Estimate the future impact from emission changes with a focus on the effect of rapid growth in the population of megacities/ |
* Estimate how megacities/ | * Estimate how megacities/ | ||
* Estimate how megacities are responding to climate forcing which can influence transport patterns, chemical oxidation and biogenic emissions (especially biogenic volatile organic compounds BVOC) | * Estimate how megacities are responding to climate forcing which can influence transport patterns, chemical oxidation and biogenic emissions (especially biogenic volatile organic compounds BVOC) | ||
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* Bring the scientific results and methods developed and applied during the course of the project to semi-operational use with those consortium partners that on a more permanent basis provide technical underpinning of policy work, that is, ensure an excellent return on the investment in the project both during and after the project has ended. | * Bring the scientific results and methods developed and applied during the course of the project to semi-operational use with those consortium partners that on a more permanent basis provide technical underpinning of policy work, that is, ensure an excellent return on the investment in the project both during and after the project has ended. | ||
- | Examples of hypotheses to be tested: | + | ===== Main hypotheses to be tested |
* Megacities and hot spots have changed the regional and global distribution of ozone, particulate matter, and their precursors including carbon monoxide CO and other pollutants significantly compared to what would be the case with more evenly distributed emissions. | * Megacities and hot spots have changed the regional and global distribution of ozone, particulate matter, and their precursors including carbon monoxide CO and other pollutants significantly compared to what would be the case with more evenly distributed emissions. | ||
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* Measures can be defined that reduce the adverse effects of megacity/ | * Measures can be defined that reduce the adverse effects of megacity/ | ||
* The effect on air quality in some megacities following the replacement of gasoline in parts by biofuel is to reduce the formation of secondary pollutants: aerosols and ozone. | * The effect on air quality in some megacities following the replacement of gasoline in parts by biofuel is to reduce the formation of secondary pollutants: aerosols and ozone. | ||
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