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Megacities: emissions, urban, regional and global atmospheric pollution and climate effects, and integrated tools for assessment and mitigation (MEGAPOLI)

Objective: The MEGAPOLI project brings together leading European research groups, state-of-the-art scientific tools and key players from third countries to investigate the interactions among megacities, air quality and climate. MEGAPOLI will bridge the spatial and temporal scales that connect local emissions, air quality and weather with global atmospheric chemistry and climate. The main objectives are: - to assess impacts of megacities and large air-pollution hot-spots on local, regional and global air quality, - to quantify feedbacks among megacity air quality, local and regional climate, and global climate change, - to develop improved integrated tools for prediction of air pollution in megacities. In order to achieve these objectives we will: - Develop and evaluate integrated methods to improve megacity emission data; - Investigate physical and chemical processes starting from the megacity street level, continuing to the city, regional and global scales; - Assess regional and global air quality impacts of megacity plumes; - Determine the main mechanisms of regional meteorology/climate forcing due to megacity plumes; - Assess global megacity pollutant forcing on climate; - Examine feedback mechanisms including effects of climate change on megacity air quality; - Develop integrated tools for prediction of megacity air quality; - Evaluate these integrated tools and use them in case studies; - Develop a methodology to estimate the impacts of different scenarios of megacity development on human health and climate change; - Propose and assess mitigation options to reduce the impacts of megacity emissions. We will follow a pyramid strategy of undertaking detailed measurements in one European major city, Paris, performing detailed analysis for 12 megacities with existing air quality datasets and investigate the effects of all megacities on climate. The results will be disseminated to authorities, policy community, researchers and the other megacity stakeholders.

Adaptation and Mitigation Strategies: Supporting European climate policy (ADAM)

The core objectives of ADAM (ADaptation And Mitigation) are:To assess the extent to which existing and evolving EU (and world) mitigation and adaptation policies can achieve a tolerable transition (a 'soft landing') to a world with a global climate no warm er than 2 degrees C above pre-industrial levels, and to identify their associated costs and effectiveness, including an assessment of the damages avoided compared to a scenario where climate change continues unchecked to 5 C. To develop and appraise a port folio of longer term strategic policy options that could contribute to addressing identified shortfalls both between existing mitigation policies and the achievement of the EU's 2 C target, and between existing adaptation policy development and implied EU goals and targets for adaptation. To develop a novel Policy-options Appraisal Framework and apply it both to existing and evolving policies, and to new, long-term strategic policy options, so as to inform: European and international climate protection stra tegy in post-2012 Kyoto negotiations, a re-structuring of International Development Assistance, the EU electricity sector and regional spatial planning.The ADAM project will lead to a better understanding of the synergies, trade-offs and conflicts that exi st between adaptation and mitigation policies at multiple scales. Crucially, ADAM will support EU policy development in the next stage of the development of the Kyoto Protocol, in particular negotiations around a post-2012 global climate policy regime, an d will inform the emergence of new adaptation strategies for Europe. The main impact of the ADAM project will be to improve the quality and relevance of scientific and stakeholder contributions to the development and evaluation of climate change policy op tions within the European Commission. This will help the Commission to deliver on its current medium-term climate policy objectives and help inform its development of a longer-term climate strategy. Prime Contractor: University of East Anglia Norwich, Tyndall Centre for Climate Change Research; Norwich; United Kingdom.

Atmospheric composition change: A European Network (ACCENT)

Changes in atmospheric composition directly affect many aspects of life, determining climate, air quality and atmospheric inputs to ecosystems. In turn, these changes affect the fundamental necessities for human existence: human health, food production, ecosystem health and water. Atmospheric composition change research is therefore fundamental for the future orientation of Europe's Sustainable Development strategy. The overall goals of ACCENT are to promote a common European strategy for research on atmospheric composition change, to develop and maintain durable means of communication and collaboration within the European scientific community, to facilitate this research and to optimise twoway interactions with policy-makers and the general public. ACCENT will establish Europe as an international leader in atmospheric composition change research, able to steer research agendas through its involvement in major international programmes. ACCENT furthermore aims to become the authoritative voice in Europe on issues dealing with atmospheric composition change and sustainability. The ACCENT joint research programme focuses on aerosols, biosphere-atmosphere interaction and transport and transformation of pollutants and it also looks for new partnership in economic and Earth System analysis. Integration will be achieved by creating common facilities and activities including: a dedicated interactive web portal, models, data-bases, measurement platforms, training and education opportunities, quality assurance procedures and facilities, integrated assessment and synthesis of scientific results and an interface with the general public. The excellence and the commitment of the ACCENT Partnership guarantee an effective and durable integration of the European atmospheric composition change research and that it becomes a pillar of the European Research Area. Prime Contractor: Consiglio Nazionale delle Ricerche, Roma; Italy.

ROBIN - Die Rolle von Biodiversität und Ökosysteme für die Reduktion von Klimawandelfolgen

Um das volle Potential von tropischen Wäldern für die Reduktion von Klimawandelfolgen (CCM) und das Angebot von anderen Ökosystemleistungen unter Bedingungen des globalen Wandels zu verstehen, müssen wir unser Verständnis der Beziehungen zwischen Biodiversität (BD) und sozio-ökologischen Prozessen, durch die wir auf Veränderung reagieren und uns anpassen, verbessern. ROBIN bietet Informationen für Politik- und Ressourcennutzungsoptionen mittels Szenarien des sozio-ökonomischen und klimabezogenem Wandels durch: Quantifizierung von Interaktionen zwischen terrestrischer Biodiversität, Landnutzung und CCM Potential im tropischen Lateinamerika; Entwicklung von Szenarien für CCM Optionen durch eine Evaluation ihrer Effektivität, ihrer unbeabsichtigten Auswirkungen auf andere ökosystemare Leistungen (z.B. Verringerung von Krankheitsfällen) und ihrer sozio-ökologischen Konsequenzen. Erreichen wollen wir das durch die Kombination von neuen Techniken (inkl. Fernerkundung) für Biodiversitätsmessungen in komplexen multi-funktionalen Landschaften, durch datenbasierte Analyse, und durch integrierte Modellierung und partizipative Ansätze auf lokaler und regionaler Ebene. Anhand einer Reihe von Fallbeispielen in Mesoamerika und in Amazonien versuchen wir die Beziehungen zwischen Biodiversität und CCM Optionen und Entwicklungen in der Ernährungspolitik zu verstehen. Diese Studien verbessern unser Wissen zu CCM Optionen, die der von Stakeholdern favorisiert werden, und unser Verständnis für Faktoren, die die Einführung von Ressourcenmanagementstrategien behindern oder fördern.

Climate change - Learning from the past climate (Past4Future)

Objective: Past4Future will combine multidisciplinary paleoclimate records from ice cores, marine cores, speleothems, pollen and other records, concentrating on a global distribution of the records, to reconstruct climate change and variability during the present interglacial (the Holocene) and the last interglacial (known as the Eemian in northwestern Europe and as marine isotope stage 5e in the marine sediment records). The records will be combined in integrated analyses aided by proxy modeling and assimilation, to gain understanding of the climate processes involved in the dynamics of interglacial climates. Earth system models (ESM) including physical and biogeochemical processes will be applied to simulate the past and present interglacial climate, and to confront and intercompare the simulations with climate changes as observed from the palaeodata; this will both advance the models and our understanding of the dynamics and predictability of the climate system. Focus will be on the most recent two interglacial periods, as these provide the highest-resolved most comprehensive data records. Moreover the last interglacial represents a situation where the mean state was warmer than at present in large regions due to orbital forcing, thereby allowing tests of climate system sensitivity to constrain projections of potential future ice sheet, sea-level, circulation and biogeochemical changes. The data and Earth system model results will be used improve our capabilities to project future global and regional warming from a better understanding of relevant paleoclimates, especially in relation to sea level changes, sea ice changes and thermohaline circulation changes. The Past4Future program will draw together a world leading team of European and international partners in a concerted effort to advance our knowledge on the causes, processes and risks of abrupt changes in warm periods, such as those projected for the current and the next century. The program will inform the international debate on climate system stability and the dissemination of results will be targeted to both citizens and governmental and non-governmental stakeholders. It will leave a legacy of improved understanding of past drivers of sea level changes, changes of sea ice, and of greenhouse gas concentrations, and it will train a new generation of young climate researchers to further advance research and improved future predictions for the benefit of society and our capacity to mitigate and adapt to climate changes.

Pan-European Gas-AeroSol-Climate Interaction Study (PEGASOS)

To provide a scientifically sound basis for air quality and climate protection measures the Zeppelin is observing radicals and aerosols in the atmospheric layers close to the ground over Europe. Objective: The Pan-European Gas-AeroSOls-climate interaction Study (PEGASOS) European large scale integrating project brings together most of the leading European research groups, with state-of the-art observational and modelling facilities to: (1) Quantify the magnitude of regional to global feedbacks between atmospheric chemistry and a changing climate and to reduce the corresponding uncertainty of the major ones. (2) Identify mitigation strategies and policies to improve air quality while limiting their impact on climate change. The project is organized into four scientific Themes designed to optimize the integration of methodologies, scales, and ultimately our understanding of air quality and climate interactions: (I) Anthropogenic and biogenic emissions and their response to climate and socio-economy (II) Atmospheric interactions among chemical and physical processes (III) Regional and global links between atmospheric chemistry and climate change (IV) Air quality in a changing climate: Integration with policy PEGASOS will bridge the spatial and temporal scales that connect local surface-air pollutant exchanges, air quality and weather with global atmospheric chemistry and climate. Our major focus for air quality will be Europe including effects of changes in pollutant emissions elsewhere and the time horizon for the study will be the next 50 years. During the project we will provide improved process understanding in areas of major uncertainty for better quantification of feedbacks between air quality and a changing climate. We will present, for the first time, a fully integrated analysis of dynamically changing emissions and deposition, their link to tropo-spheric chemical reactions and interactions with climate, and emerging feedbacks between chemistry-climate and surface processes. We will target both local and regional scales, taking into account chemistry and climate feedbacks on the global scale.

EU Cloud intercomparison, process study and evaluation project (EUCLIPSE)

Objective: Cloud feedbacks remain the largest source of uncertainty in projections of future climate. They are also a major contributor to uncertainty in other feedbacks (e.g., surface albedo, carbon cycle) in the Earth System. Through interactions with the large-scale circulation, cloud processes also contribute to synoptic circulations and regional climate. They are therefore critical to the prediction of future changes in precipitation patterns, climate variability and extreme events. The central objective of EUCLIPSE is to reduce the uncertainty in the representation of cloud processes and feedbacks in the new generation of Earth System Models (ESMs), in support of the IPCC's fifth assessment report. Novel, process-oriented evaluations of clouds in present-day and future climate simulations made by the leading European ESMs will identify the cloud types and processes responsible for the spread in climate sensitivity and future precipitation changes across the models, and for deficiencies in the simulation of the present-day climate. The new diagnostics and metrics developed in EUCLIPSE will inform targeted sensitivity experiments to isolate the processes responsible for cloud feedback uncertainty. In EUCLIPSE, four distinct communities will work together across a set of integrated work packages over a four-year period: the observational community will provide state-of-the-art measurements from ground- and space-based active and passive remote sensing; the numerical weather prediction community will provide analyses of short timescale model biases induced by cloud processes; the cloud modeling community will provide fine-scale models as an additional tool for understanding cloud behavior in a changing climate; finally, the climate modeling community will synthesize the physical understanding and observational constraints identified by the other communities to improve the representation and assessment of cloud processes in ESMs and so improve the predictive skill of ESMs.

MEDiterranean Sea Acidification in a changing climate (MEDSEA)

Objective: Increases of atmospheric CO2 and associated decreases in seawater pH and carbonate ion concentration this century and beyond are likely to have wide impacts on marine ecosystems including those of the Mediterranean Sea. Consequences of this process, ocean acidification, threaten the health of the Mediterranean, adding to other anthropogenic pressures, including those from climate change. Yet in comparison to other areas of the world ocean, there has been no concerted effort to study Mediterranean acidification, which is fundamental to the social and economic conditions of more than 400 million people living along its coastlines and another 175 million who visit the region each year. The MedSeA project addresses ecologic and economic impacts from the combined influences of anthropogenic acidification and warming, while accounting for the unique characteristics of this key region. MedSeA will forecast chemical, climatic, ecological-biological, and socio-economical changes of the Mediterranean driven by increases in CO2 and other greenhouse gases, while focusing on the combined impacts of acidification and warming on marine shell and skeletal building, productivity, and food webs. We will use an interdisciplinary approach involving biologists, earth scientists, and economists, through observations, experiments, and modelling. These experts will provide science-based projections of Mediterranean acidification under the influence of climate change as well as associated economic impacts. Projections will be based on new observations of chemical conditions as well as new observational and experimental data on the responses of key organisms and ecosystems to acidification, which will be fed into existing ocean models that have been improved to account for the Mediterranean's fine-scale features. These scientific advances will allow us to provide the best advice to policymakers who must develop regional strategies for adaptation and mitigation.

Climate Impact Research & Response Coordination for a Larger Europe - 2nd Generation ERA-Net-Science meets Policy (CIRCLE-2)

Objective: Climate Change is one of the most important issues facing the world in the 21st century and challenges all four (ecological, economical, social and cultural) dimensions of sustainable development. Europe takes a leading role in the necessary response to these challenges. Severe impacts are unavoidable and European adaptation strategies must be supported by a coherent base of knowledge on its key vulnerabilities and response options. Such a base can only be generated by European, national and regional policy-relevant research. It is CIRCLE-2 ERA-Net prime objective to contribute to those efforts by aligning and networking national and regional research funding and managing organisations as well as their respective programmes. CIRCLE-2 will support a common research agenda and share good practices on adaptation with national and European decision makers, thus contributing to the envisaged EU Clearing House on Climate Change Impacts Vulnerability and Adaptation (CCIVA). CIRCLE-2 (CSA-CA) builds on the experience of previous coordinating and support actions (i.e. CIRCLE CA and SSA) and will develop its activities through a now enlarged network of 23 countries and 3 regions. A flexible work plan will LEAD the consortium to identify common policy-relevant CCIVA research needs. Those needs will serve to DESIGN a joint research agenda and deepen the networking and cooperation activities of the consortium. CIRCLE-2 will FUND transnational joint research initiatives including joint calls for projects on CCIVA. The outcomes of these initiatives and projects will provide the consortium with an updated knowledge base on European, National and Regional CCIVA research and CIRCLE-2 will SHARE this knowledge base with decision-makers at all relevant scales. CIRCLE-2 will thus contribute to the development of both European and national Climate Change response frameworks (e.g. Adaptation Strategies) by facilitating research outputs tailor-made to common needs. International cooperation with non-European countries (e.g. developing countries) as well as the involvement of new EU Member States and candidate countries will be particularly encouraged throughout CIRCLE-2 lifetime.

The Changing Arctic and Sub-Arctic Environment: A Research and Training Programme on Marine Biotic Indicators of Recent Climate Changes in the High Latitudes of the North Atlantic (CASE)

The main aim of the CASE Initial Training Network Programme is to train the next generation of European paleo-climate scientists via state-of-the-art training in marine biotic proxies and modeling of past climate changes. It will be implemented through a joint research project aiming to describe and identify the mechanisms and impacts of recent environmental changes in the Nordic Seas. The composition of the consortium reflects the various expertises on marine biotic indicators needed to efficiently evaluate the nature and amplitudes of oceanographic and climate changes and their implications on the structure of the marine ecosystem during the present interglacial, the Holocene. The project is designed according to specific expertises of each network participant and the contribution of associated industry partners, hereby providing an ideal setting for training actions to the benefit of early stage researchers (ESR). CASE will therefore address the following key scientific objectives: 1, Advance our fundamental understanding on the impact of various natural climatic forcing factors in high northern latitudes during the Holocene. 2, Obtain a more complete knowledge on Holocene natural variability of physical parameters affecting ecosystem processes and structure in the Nordic Seas. 3, Improve our understanding and quantification of Holocene changes in ocean circulation and climate variability of the Arctic and Subarctic domains. 4, Expand our knowledge of previous Holocene polar amplifications of warming. 5, Gain fundamental knowledge of the impact of global warming beyond the range of Holocene natural variability over the last 150 years on the Nordic Seas environmental system.

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