Das Projekt "Entwicklung und Integration von Analysewerkzeugen zur operationellen Vorhersage von Naehrstoffen in den Muendungsgebieten europaeischer Fluesse" wird vom Umweltbundesamt gefördert und von GKSS-Forschungszentrum Geesthacht, Institut für Gewässerphysik durchgeführt. General Information: To be able to plan and manage sustainable development in the coastal zone on both short- and long-term time scales, environmental and socio-economic imperatives require the effective application of our knowledge of coastal ecosystems. Tools are needed to operationally monitor and forecast those parameters which have key functions in these ecosystems. The final goal is the ability to produce routine assessments of the spatial distribution of nutrients at any given moment and to describe its evolution in time. PIONEER will set up analysis systems for routine day-to-day monitoring, analysis and short-term prediction of nutrient distributions in the Odra and Ebro estuaries, which are located in coastal regions with significant impacts from nutrient loads. The project is focussed on integrating presently available technology and methodology in data management, geostatistical and dynamical data assimilation and numerical modelling in cooperation with scientific institutions, management authorities and commercial companies. Since the on-time delivery of reliable nutrient data can be achieved at present only with considerable employment of specialized personnel, the skills and potentials of these systems will be demonstrated during several weeks periods simulating 'real-time' operational conditions with data previously sampled. The perequisites to run such systems under real-time and continuous operational mode will be discussed. As a by-product, the project will offer estimates of the predictability of the estuarine ecosystems on time scales of days and weeks. The overall approach of PIONEER parallels that of weather forecasting in that actual point obervations are brought together with a 'best guess' into a data assimilation scheme. This analysis forms the initial state of the forecast . Since the application of data assimilation to nutrient forecasting is new, three different assimilation schemes of increasing complexity and skill will be explored: straightforward linear interpolation, geostatistics and dynamical data assimilation. Geostatistics uses a model of multivariate spatial-temporal correlation functions to optimally estimate the spatial distribution of a natural resource. Dynamical data assimilation results in a space-time analysis of the system which is dynamically consistent with the data, the guess and the assumed dynamics of the system in order to build an optimal forecast. The two techniques are complementary in the way they make use of the data and help improve understanding of the ecological system. Solutions obtained from each group of methods will be offered to the practitioner for the wide range of resource estimation and forecasting problems faced in estuarine and coastal research. ... Prime Contractor: GKSS-Forschungszentrum Geesthacht, Institut für Gewässerphysik; Geesthacht; Germany.
Das Projekt "O3,NO2,CH2O,O4,BrO,OCIO,IO and OIO profile measurements in the upper troposphere and lower stratosphere aboard balloon (MIPAS-B and LPMA) and aircraft (Geophysica) platforms" wird vom Umweltbundesamt gefördert und von Universität Heidelberg, Institut für Umweltphysik durchgeführt.
Das Projekt "Optimierung des GeoSCIA-Missionskonzeptes: 'GeoSCIA Improvement Study'" wird vom Umweltbundesamt gefördert und von Universität Bremen, Institut für Umweltphysik durchgeführt. Im Rahmen dieser Studie soll ein optimiertes Missionskonzept fuer eine GeoSCIA-Mission erarbeitet werden. Die GeoSCIA-Mission soll wichtige Beitraege zur Erforschung des Einflusses von natuerlichen und anthropogenen Emissionen (z.B. industrielle Emissionen, Biomassenverbrennung, Treibhausgase etc.) auf die regionale und globale Zusammensetzung der unteren Atmosphaere liefern. Zudem soll eine GeoSCIA-Mission demonstrieren, dass anthropogene und natuerliche Emissionen in die untere Atmosphaere durch Messungen von geostationaeren Plattformen aus quantifiziert werden koennen. Dies wuerde den Einstieg in das satellitengestuetzte 'Air Quality Monitoring' bedeuten, einem wichtigen Baustein im Rahmen eines globalen Umweltbeobachtungssystems. Um diese Ziele zu erreichen, sollen aus GeoSCIA-Messungen des von der Erdatmosphaere zurueckgestreuten bzw. reflektierten Sonnenlichtes Spurengasverteilungen (O3, NO2, H2O, BrO, HCHO, SO2, CO CO2, N2O, CH4) sowie Aerosol- und Wolkenparameter abgeleitet werden. Details zum Arbeitsplan finden sich im Antrag. Die Ergebnisse der Studie werden direkt in einen verbesserten Missionsvorschlag 'GeoSCIA2001' einfliessen.
Das Projekt "Erarbeitung und Integration von Analysewerkzeugen fuer eine praktische Vorhersage fuer das Auftreten von Naehrstoffenin den Muendungen europaeischer Fluesse - PIONEER" wird vom Umweltbundesamt gefördert und von GKSS-Forschungszentrum Geesthacht, Institut für Küstenforschung - Physikalische und Chemische Analytik durchgeführt. The sustainable management of the coastal zone requires routine monitoring and assessment of the status of the ecosystem 'coastal zone'. To obtain an efficient and cost-effective System, 'intelligent' observational strategies combined with an analysis software encoding our present knowledge about the dynamics of the considered System are needed. This software determines the informational value of actual observations, combines all observations with previous forecasts and retums abest guess of the detailed present space-time state. PIONEER will set up analysis Systems for routine day-to-day monitoring, analysis and short-term prediction of nutrient distributions in the Odra and Ebro estuaries. The project integrates presently available technology and methodology in data management, geostatistical and dynamical data assimilation and numerical modelling in co-operation between scientific institutions, management authorities and commercial companies. The overall approach of PIONEER parallels the analysis in weather forecasting. Point observations together with a 'best guess' are processed in a data assimilation scheme. Since data assimilation with respect to nutrients is a new application three schemes of increasing complexity will be explored: simple spatial interolation, geostatistics and dynamical data assimilation. As a by-product, the project will offer estimates of the predictability of the estuarine ecosystems on time scales of days and weeks. The Systems developed by PIONEER include: - State-of-the-art data assimilation schemes to determine the actual spatial and temporal distribution of nutrients and parameters such as suspended sediment concentrations and phytoplankton biomass. - Dynamical models to forecast temporal and spatial evolution of nutrient concentrations and phytoplankton biomass for several days and weeks. - Data management systems for long-term storage and fast exchange. The application of the methodologies and future steps towards an operational mode of the forecasting System will be discussed with the responsibles from politics, coastal zone management and tourism organisations in regional meetings. The project is a significant contribution to EuroGOOS that bas strong emphasis in creating cost efficient operational forecasting tools.
Das Projekt "Stratosphaeren-Klimatologie mit Einsatz der UV-sichtbar-Spektroskopie" wird vom Umweltbundesamt gefördert und von Universität Heidelberg, Institut für Umweltphysik durchgeführt. Untersuchung der Klimatologie von Spurenstoffen (NO2, OClO, BrO und Ozon) in der arktischen Atmosphaere mittels bodengebundener Absorptionsspektroskopie. Hauptziele sind: Vergleich des Ozonstoerungspotentials mit der tatsaechlichen Ozonabnahme, Untersuchung von 'Miniholes', Beobachtung der Ozonabnahme im Fruehling in mittleren Breiten.