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Über dieses Buch

The book, the first in a series arising from the research network The Reacting Atmosphere, explains and outlines the aims of this ambitious cross-disciplinary effort. The central topic is air quality and climate change, and the methods of atmospheric physics and chemistry, applied mathematics and socio-economic science are used to advance the understanding of the role of the atmosphere in global change.



Chapter 1. “The Reacting Atmosphere”: A Systemic Approach to Atmospheric Research

The Research Network “The Reacting Atmosphere” is a trans-disciplinary consortium of natural and social scientists, economists and mathematicians. Its objective is to acquire a systemic view of the role of the atmosphere for air quality and climate change. This systemic view is mandatory to understand the interactions of atmospheric change with political measures, societal and economic developments and their feedbacks.
Ralf Koppmann

Chapter 2. Interdependencies of Atmospheric Processes

During recent years it has been conclusively demonstrated that regional air quality and global climate change are highly interrelated because emissions of many pollutants affect both air quality and climate change. The vision of the research network is the determination of all key parameters influencing atmospheric processes on different temporal and spatial scales and the impact on air quality and climate, taking into account both anthropogenic and biogenic emissions. This should lead in the long term to a quantification of the turnover of atmospheric pollutants, their transport from the planetary boundary layer to the upper troposphere/lower stratosphere and a profound understanding of the formation of secondary pollutants as well as the deduction of improved parameters describing radiative forcing.
Peter Wiesen

Chapter 3. Physical and Chemical Processes in the Upper Troposphere and Lower Stratosphere

Changes and variability of the upper troposphere and stratosphere (UTLS) composition are major drivers of surface climate change. Even small changes of spatially highly variable concentrations of greenhouse gases such as water vapor (H2O) and ozone (O3), aerosols and cirrus clouds have significant effects on the atmospheric radiation balance. This is problematic, because UTLS composition is governed by the complex interactions of various physical and chemical processes that operate at a wide range of temporal and spatial scales (local to global). We give a brief overview on some results of recent process-oriented studies that focus on the water vapour budget in the upper troposphere and stratosphere. An emerging research field concerns the role of the Asian monsoon in water vapour and pollutant transport from the troposphere into the stratosphere.
Martin Riese

Chapter 4. Modelling and Numerical Simulation

This field of the research network deals with the development of methods based on mathematical modelling, system theory and numerical analysis, in order to analyse, improve and simulate numerically in an efficient and robust way the system “Reacting Atmosphere” on sub and overall model level. A transdis- ciplinary research approach is inevitable, combining modelling and simulation expertise of mathematics, scientific computing, atmospheric physics and chemistry, economics, and social sciences available in this research network. The aim is to construct a tool for illustrating the broad range of interdependencies in system “humans-atmosphere-air quality-climate” and their impacts on air quality and climate.
Matthias Ehrhardt, Michael Günther, Birgit Jacob

Chapter 5. Sustainable Strategies

Within the research network, this part focuses on socio-economic process understanding, impact analysis and policy analysis. Besides the creation of a better understanding of the system behaviour (including socio-technical interactions) and transformation processes in general, the main aim is the development of a holistic and  integrated policy approach, which is able to trigger the resulting needs for action and in particular to reflect the interactions between air quality and climate policy targets in regions of relevance. Based on detailed knowledge of the complex decision making processes in policy, industry, economy, society, an integrated set of policies will be identified and assessed systematically.
Manfred Fischedick

Chapter 6. Cross Sectional Processes and Development

In order to guarantee the safeguarding of natural resources for future generations, scientists from different research areas have affiliated themselves to a research network with the objective of combining their competences to analyse the development of climate and air quality. “Cross Sectional Processes and Development (CSP&D)” aims at tapping potentials and investigates dissemination processes. Societal relevant results are anticipated and hence the need of communication will arise. The results could form the basis for politico-economic decisions that could lead to important changes in society’s attitude towards the atmosphere. In this context CSP&D includes four main tasks: (1) Internal understanding and transfer, (2) external transfer and communication, (3) diversity management, especially gender equality and promotion of young researchers and (4) accompanying research. Due to its great importance the area of external transfer and communication is presented in greater detail.
Brigitte Halbfas, Christine Volkmann

Chapter 7. Connecting the Research Network to the Wider Public

In March 2011 the University of Wuppertal, the Wuppertal Institute for Climate, Environment and Energy, the Atmosphere Research Divisions of the Institute for Energy and Climate Research at the Jülich Research Centre and the Rhenish Institute for Environmental Research at the University of Cologne established the research network under the title “The Reacting Atmosphere - Understanding and Management for Future Generations”. This chapter describes the first outreach activities of the Research Network.
Ralf Koppmann, Peter Wiesen
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