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UP: Umweltphysik

UP 15: Poster: Atmosph
äre und Klima

UP 15.9: Poster

Dienstag, 14. März 2006, 14:00–16:00, C

Network for Observation of Volcanic and Atmospheric Change (NOVAC) - Objectives and scientific chances. — •Christoph Kern¹, Nicole Bobrowski¹, Ulrich Platt¹, and Bo Galle² — ¹Institut für Umweltphysik, Universität Heidelberg, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany — ²Department of Radio and Space Science, Chalmers University of Technology, Horsalsvagen 11, S-412 96 Gothenburg, Sweden

The idea of the NOVAC project is to establish a global network of stations for the quantitative measurement of volcanic gas emissions by UV absorption spectroscopy making use of a novel type of instrument, the scanning dual-beam miniature Differential Optical Absorption Spectrometer (Mini-DOAS). Primarily, the instruments will be used to provide new parameters in the toolbox of volcanic observatories for risk assessment, gas emission estimates and geophysical research on the local scale. In addition to this, global estimates of volcanic gas emissions and their influence on climate change and stratospheric ozone depletion will be studied. In particular, large scale validation of satellite instruments for observing volcanic gas emissions will be possible for the first time.

Work on the NOVAC Project began in October, 2005. The presentation will include a description of the measurement techniques applied in the project, the scientific and technological objectives, and the contribution of the project towards the understanding of local and global atmospheric processes and climate change.