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INDICATE - Indicators of Climate Change from Radio Occultation
| PI: |
Andrea Steiner |
| Institution: |
University of Graz, Austria |
| Additional Investigators: |
G. Kirchengast, U. Foelsche, Bettina C. Lackner, Florian Ladstaedter |
| Abstract: |
| Our aim in the project INDICATE is to explore and detect indicators of atmospheric change for the upper troposphere and lower stratosphere (UTLS) region by using Radio Occultation (RO) based climatologies, as well as “proxy” climatologies from re-analyses and climate model runs to explore the long-term behaviour. Given the limited length of the available RO data (continuous since 2002) re-analyses will be used to extend the observational datasets back to 1979. Global climate model scenario simultations for the IPCC AR4 will be used as multi-decadal "proxy" datasets out to year 2050. The datasets will be systematically explored for finding the most robust and sensitive climate change indicators. Based on these identified indicators, the trend detection capabilities of RO observations will be investigated using methods of optimal trend detection. Validation of climate model runs with the observational data will complete the investigation. INDICATE's goal is to contribute to climate change monitoring and research by providing optimal UTLS climate trend indicators based on RO climatologies as well as the validation of climate models. |
| Publications: |
- Kehrer, J., F. Ladstaedter, P. Muigg, H. Doleisch, A. Steiner, and H. Hauser, 2008: Hypothesis Generation in Climate Research with Interactive Visual Data Exploration. IEEE Transactions on Visualization and Computer Graphics, 14(6), 1579-1586, doi:10.1109/TVCG.2008.139. Abstract. Edit.
- Lackner B. C., and A. K. Steiner, and F. Ladstädter, and G. Kirchengast, 2009: Trend indicators of atmospheric climate change based on global climate model scenarios. New Horizons in Occultation Research: Studies in Atmosphere and Climate (OPAC-3 proceedings), Springer Berlin-Heidelberg. In press. Abstract. Edit.
- Ladstaedter F., A. K. Steiner, B. C. Lackner, G. Kirchengast, P. Muigg, J. Kehrer, and H. Doleisch, 2009: SimVis: An interactive visual field exploration tool applied to climate research. New Horizons in Occultation Research: Studies in Atmosphere and Climate (OPAC-3 proceedings), Springer Berlin-Heidelberg. In press. Abstract. Edit.
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