In Fragebogen-Untersuchungen zur Lärmwirkung wurden bisher sehr unterschiedliche Operationalisierungen von Wirkungsvariablen (wie z.B. Belästigung, Störung von Aktivitäten) und außer-akustischen Faktoren (sog. Moderatoren wie z.B. Lärmempfindlichkeit, misfeasance) verwendet. Deshalb hat sich die Arbeitsgruppe community response der International Commission on the Biological Effects of Noise (ICBEN, Team No. 6) als langfristiges Ziel die Entwicklung von Fragebogen-Guidelines und die Formulierung eines Muster-Fragebogens für die Lärmwirkungsforschung gesetzt. D.h. es soll ein Vorschlag erarbeitet werden, in welcher Form globale und spezifische Lärmwirkungen in Befragungen erhoben werden sollten. Um dieses Vorhaben zu unterstützen, hat der Arbeitskreis Ökologische Lärmforschung die Erstellung einer systematischen Übersicht über vorhandene Fragebögen aus Lärmwirkungsstudien auf internationaler Ebene in Angriff genommen. Diese Übersicht soll es u.a. ermöglichen, die Struktur von verschiedenen Fragebögen sowie die in ihnen verwendeten Operationalisierungen für Lärmwirkungs- und Moderatorvariablen (hinsichtlich Art der Frageformulierung sowie der Antwortformate) zu vergleichen. Für den/die einzelne/n Lärmforscher/in bietet diese Übersicht die Möglichkeit, sich auf sehr effiziente Art und Weise darüber zu informieren, wie bestimmte Konstrukte in bisherigen Untersuchungen operationalisiert worden sind bzw. welche Alternativen zu den bereits selbst angewandten Operationalisierungen bestehen. Nach einer systematischen Ermittlung von Namen und Adressen einschlägiger Lärmforscher/innen, wurden diese um die Zusendung von Fragebögen sowie ergänzender Materialien aus eigenen Lärmwirkungsstudien gebeten. Die zugesandten Fragebögen werden gegebenenfalls übersetzt und mit der Methode der qualitativen Inhaltsanalyse ausgewertet. Hierbei werden die Fragebögen im Hinblick auf formelle Aspekte (z.B. Jahr der Erhebung, Sprache, Art der Befragungsmethode) wie auch im Hinblick auf strukturelle Aspekte (z.B. Umfang des Fragebogens, abgefragte Variablengruppen, Antwortformate) ausgewertet. Hauptgegenstand der Auswertung ist aber insbesondere die Auswertung der Lärmwirkungsvariablen (z.B. die Abfrage der globalen Lärmbelästigung, Aktivitätenstörungen, Kommunikationsstörungen) sowie der Moderatorvariablen (z.B. Lärmempfindlichkeit, Lärmbewältigungsvermögen, misfeasance). Parallel dazu wurde eine Datenbank entwickelt, in der die Ergebnisse der Analysen dargestellt und verwaltet werden. Diese Datenbank wird ab November 2001 im Internet unter http://www.eco.psy.ruhr-uni-bochum.de/nqd für jede/n interessierte/n Forscher/in zugänglich und nutzbar sein. Langfristig ist darüber hinaus geplant, ein Archiv mit den Original-Fragebögen aufzubauen, in dem einzelne Fragebögen auf Wunsch eingesehen werden können.
Non wood fuels for small-scale furnaces have attracted increasing interest in several European countries. New technological approaches are on the way, but the verification of any such developments is difficult and there is a large uncertainty about testing procedures and equipment. While for wood combustion standardized European measuring regulations are available and broadly applied, the testing of cereal fuel combustion is generally not following a commonly accepted procedure. Consequently the results of such measurements are not fully comparable. This applies particularly for the international level, which is here of particular relevance due to the fact that a combustion technology development for a niche application can only be economically viable if a sufficiently large marketing area can be taken into focus. The overall objective of the proposal is therefore to contribute through research to the development of uniform and comparable European procedures for testing of small-scale boilers up to a power out of 300 kW for solid biomass from agriculture like straw pellets and energy grain. The driving forces and barriers will be worked out; existing legal regulation for the installation (approval by the local authorities) in the participating countries will be collected. The state of the art of the non wood biomass boiler technology will be identified; the need for standardized tests for type approval tests and the measures to establish a European Standard will be shown. Measurement methods with special emphasis on efficiency and emissions will be worked out and the requirements and specifications of test fuels will be proposed. Test runs will be carried out following preliminary test procedures based on existing European standards for wood boilers. Based on the results of these test runs a draft for a Europe-wide uniform test procedure will be proposed. Preparatory work for a European standardization process including a round robin test will be done.
ALPCHANGE beschreibt quantitativ die durch den Klimawandel verursachte Landschaftsdynamik in alpinen Regionen Südösterreichs. Dies geschieht durch die integrative und umfassende Analyse aus Beobachtungsdaten der vier Landschaftsparameter Permafrost, Gletscher, Schnee und Geomorphologie. Diese Parameter reagieren zeitlich unterschiedlich auf geänderte Umweltbedingungen und liefern so Informationen in verschiedenen Zeitebenen: Schnee unmittelbar, Gletscher und geomorphologische Strukturen innerhalb von Jahren bis Jahrzehnten bzw. Permafrost innerhalb von Jahrzehnten bis Jahrhunderten. Diese Zusammenhänge werden mittels eines umfassenden Monitoring-Netzwerkes in den Hohen Tauern durchgeführt zum ersten Mal in Südösterreich. Die Interdisziplinarität dieses Forschungsansatzes Glaziologie, Hochgebirgsgeographie, Geophysik, Atmosphärenphysik, Geologie versammelt viele nationale wie auch internationale Institutionen in einer Arbeitsgemeinschaft. Wissenschaftler verschiedener Institute an der Universität Graz bzw. der Technischen Universität Graz sind seit Jahrzehnten in den Forschungsbereichen Klima- und Umweltwandel aktiv. ALPCHANGE ist unter anderem auch aus jenen Initiativen entstanden, die zur Gründung des Wegener Zentrums für Klima und Globalen Wandel (WegCenter) führten.
The scale of influence of global change and the added value of co-ordinating the scientific activities of the EU and North American countries to assess, predict and mitigate the effects on marine ecosystems of the North Atlantic and their services is the justification for the development of the BASIN SSA. An important step towards such a co-ordinated approach is the development of an implementation plan where by jointly funded international projects can be supported. The development of such a plan is the first key goal of BASIN. The second goal of BASIN is to develop an integrated basin-scale North Atlantic research program, for submission to the EU 7th framework program, US NSF and Canadian NSERC for joint funding. Programmatic goals will be achieved in working groups including experts from both the EU and North America as well as delegates from funding organisations. As a prerequisite for the development of the research proposal, this SSA will (1) assess the status of climate related ecosystem research in the North Atlantic basin and associated shelf seas, (2) identify gaps in systematic observations and process understanding of atmospheric and oceanic parameters, (3) identify the potential for consolidation of long-term observations from EU and international databases for modelling and prediction. The BASIN research program will focus on: Resolving the natural variability, potential impacts and feedbacks of global change on the structure, function and dynamics of ecosystems; Improving the understanding of marine ecosystem functioning; Developing ecosystem based management strategies. Hence, BASIN will contribute significantly to the Global Earth Observation System of Systems (GEOSS) 10-Year Implementation Plan via the development of comprehensive, coordinated, and sustained observations of the Earth System, improved monitoring of the state of the Earth, increased understanding of Earth processes, and enhanced prediction.
The mayor goals of this proposal are: Analysis of the microbial community present in the fluid, sediment and attached to mineral phases and their temporal and spatial variation depending on 16S rDNA targeted DGGE for Bacteria and Archaea. Identification of key population and their detection by fluorescence in situ hybridization in the hydrotheram fluid, sediment and on mineral surfaces. Detection and distribution of sulfate-reducing and sulfur-oxidizing microorganisms by functional gene analysis based on an aprA gene fragment. Quantification, enrichment, and isolation of chemolithoautotrophic aerobic and nitrate reducing sulfur- and hydrogen-oxidizing microorganisms by cultivation based methods. Quantification, enrichment, and isolation of autotrophic sulfate-reducing microorganisms by cultivation based methods. Enrichment and isolation of microorganisms to grow on mineral sulfides which might catalyze 'marine leaching'. The combination of cultivation based methods and differnt molecular tools will allow a verification of the obtained results.
The CityNet project cluster consists of six individual 5 FWP projects and deals with the integrated aspects of water management in urban areas (water supply, sewerage, drainage) including their urban/rural interfaces (raw water sources, receiving waters, groundwater). The CityNet cluster consists of 47 research partners and 59 end-users, thus comprising a significant part of the European R&D capacity and implementation potential in urban water systems. This proposal for Accompanying Measures (AM) aims to widen and deepen the joint activities of the cluster partners with respect to three aspects of integration, i.e. (1) the urban water system and its water resources, (2) the necessary infrastructure for water supply, urban drainage and wastewater management, and (3) the socioeconomic aspects of urban water management. The overall scope of the AISUWRS initiative is to assess and improve the sustainability of urban water resources and systems with the help of computer tools. The project will analyse a range of existing urban water supply and disposal scenarios by demonstrating how each scenario differs in its handling of contaminants within different urban water systems and the potential effect of these contaminants on groundwater contamination. For the verification and validation of the models, detailed field studies are carried out in three European and one Australian case study city. In addition AISUWRS aims to develop also a management and Decision Support System to deliver detailed guidelines and recommendations for the safeguarding and protection of urban water resources.
The aim of this research project is to establish the basis for deriving a consistent set of probabilistic models for strength and stiffness related timber material properties and to calibrate corresponding partial safety factors such that the level of structural reliability for timber structures is equivalent to the safety of concrete and steel structures. This seen in the light of the ongoing revision of the national Swiss codes for the design of structures. CONCLUSIONS/PERSPECTIVES: The statistical characteristics of strength related short term timber material properties are assessed and treated in consistency with the implemented quality control and selection for grading procedures. The suggested probabilistic modelling seems to provide the required framework for establishing a basis for codification of design and assessment by means of quantifying the efficiency of the different quality control and selection for grading procedures. It is envisaged that different quality control and selection for grading procedures may be described by means of their regression characteristics and probability of acceptance curves corresponding to different grading criteria. It also has been demonstrated how an optimal (in terms of monetary benefit) set of timber grades can be identified through the solution of an optimization problem. An approach for the probabilistic modeling of the effect of load duration is presented. The method is exemplified for calibrating the design code short term strength modification factor kmod for different characteristics of the applied loading process. The considered damage model takes basis in fracture mechanical considerations and is able to take both creep and fatigue effects into account. The damage model is calibrated against duration of load tests. Furthermore, the damage model has been investigated and compared with a simpler model not including the effect of fatigue. A proposal for a proper representation of the duration of load effect in the probabilistic model code of the Joint Committee on Structural Safety will be subject of further investigations.
Various layers exist in the summer mesosphere at middle and polar latitudes which owe their existence to water ice particles. These layers are called ‚noctilucent clouds' (NLC), ‚polar meso- sphere clouds' (PMC), and ‚polar mesosphere summer echoes' (PMSE) which reflects different observation geometry or entirely different physical processes involved. These layers are very sen- sitive to temperature (and to a lesser extent to H2O) and are therefore best suited to indicate long term and solar cycle changes. Indeed, variations on decadal time scales of different layer parameters (occurrence frequency, layer brightness etc.) have been reported from ground and satellite based observations. However, the physical and photo-chemical processes involved are not understood and some of the observations contradict expectations. In this proposal we want to study the long term (decadal scale) formation of layers in the polar summer mesopause region, in particular their sensitivity to variations of background conditions caused by solar forcing and anthropogenic increase of greenhouse gases. We investigate and complement the available observations on layers (NLC/PMC/PMSE) and trace gases (ground based microwave and satellite observations of H2O) and perform model calculations with the LIMA GCM model. In the third phase of the SPP we want to study in particular the feed back mechanisms of ice formation on the atmosphere (e. g., through freeze drying) and the coupling mechanisms to above and below.
Objective: Healthy housing and good indoor air quality are important goals of public health. However, biological indoor pollution due to dampness, moisture and mold is an emerging environmental health issue, as recognized in EU indoor air policy documents. Prevalence of dampness is remarkable, and may still increase due to demands of energy savings and extreme weather periods and floods associated with climate change. The exposure may lead to long-term impacts such as asthma. The documentation is strong on association between building mold and health, but the causative agents and disease mechanisms are largely unknown, which impedes recognition of a mold-affected patient in health care. Efficient control and regulation are hampered by the insufficient understanding of these causalities. Understanding of the links between building practices and health is lacking. There is an urgent need for European-wide knowledge to form a basis for establishing building-associated criteria for healthy indoor environments. The aim of this proposal is to clarify the health impacts of indoor exposures on children and adults by providing comprehensive exposure data on biological and chemical factors in European indoor environments.
Objective: It is estimated that around 20Prozent of the burden of disease in industrialized countries can be attributed to environmental factors, and the magnitude of the problem is perceived by the majority of Europeans. The assessment of health impacts is based mostly on scarce exposure data and limited information on the relationship between exposure and health. There is, therefore, a need to strengthen research in this area and to develop methods and tools which will improve the comparability of data. Member States have developed skills and expertise using different mechanisms to fund environment and health research. The scientific boundaries created by the remits of different funding organisations have frequently acted as a disincentive to collaborative working. Although aims are towards relevance and efficiency, the results remain dispersed and not of actual support for policy-making. Therefore, results of the studies in ERA-ENVHEALTH will lead to the proposal of a coherent set of proposed priorities, implementation of joint activities, and common calls. ERA-ENVHEALTH, by bringing together 16 participants from 10 countries, will contribute to establish collaboration among the different funding organisations of environmental and public health research communities.
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