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Ozone layer and UV radiation in a changing climate evaluated during IPY (ORACLE-O3) Project within the IPY cluster Clouds, aerosols and atmospheric chemistry. Peter von der Gathen AWI Niels Larsen DMI. Background.
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Ozone layer and UV radiation in a changing climate evaluated during IPY(ORACLE-O3)Project within the IPY cluster Clouds, aerosols and atmospheric chemistry
Peter von der Gathen
Nearly 1000 Expressions of Intents (EoI) were submitted to the IPY Joint Committee early 2005
Recommendations for clustering of EoI’s
Within the cluster ”Clouds, aerosols, and atmospheric chemistry”
15 EoI’s have been identified, related to research on the stratosphere and UV under climate
The Oracle-O3 cluster has contributions/interests from
117 researchers from
67 research institutions in
Science programme, data management and outreach
1) Ozone loss (detection and impact on UV radiation,
2) PSC (polar stratospheric clouds) and cirrus,
3) Atmospheric chemistry,
4) UV radiation,
5) Ozone and climate change and feedback
6) Data management
7) Education, outreach and communication.
Simultaneous satellite measurements of ozone and reactive chlorine and bromine
Polar Stratospheric Clouds
Solid particle formation
Trace gas measurements
Particle and trace gas measurements
Instruments operating in the IR, UV/Vis and microwave, Lidars, O3-sondes
Seasonal and long-term variability
Ozone, water vapour, numerous key ozone-related trace gases in the stratosphere
Tropospheric pollutants, greenhouse gases, and biomass burning
UV-, visible, and infrared radiation and ground/sea/ice albedo, AOD
Integration of field data and process
studies in a modelling framework
Changes in SH vortex dynamics
Recovery of the ozone layer
Epidemiological study of personal UV exposure.
Deepen our understanding of the role of the variability
of light and UV radiation on primary production and human population.
Variability and trends of the relevant biologically effective doses in polar areas, and their sensitivity to changes in snow and cloud cover.
Explain differences in phytoplankton biomass, melatonin and vitamin D levels as a function of the variability of relevant biologically weighted doses.
Establish foundations for future data products on UV and visible radiation.