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The Jülich ObservatorY for Cloud Evolution (JOYCE) is operated jointly by the University of Cologne, the Research Centre Jülich and the Transregional Collaborative Research Centre “Patterns in Soil-Vegetation-Atmosphere-Systems: Monitoring, Modelling and Data Assimilation” (TR32).
The official site is http://joyce.cloud or http://www.geomet.uni-koeln.de/index.php?id=1082&L=1.
JOYCE instrumentation aims to observe spatial and temporal variability of atmospheric water cycle variables.
Specific goals are
- to disentangle water vapor variations due to advection and to local surface influence
- to better understand the development of boundary layer clouds
- to analyse cloud radiation interaction
- to observe precipitation formation
Most instruments are located on the roof of the Institute for Energy and Climate Research - Troposphere IEK-8 at the Research Centre Jülich embedded in an agricultural dominated landscape.
- Latitude: 50°54'30.77" N = 50.908547°N
- Longitude: 6°24'48.73" E = 6.413536°E
- Altitude: 111 m asl
JOYCE provides a number of resources, which characterize the thermodynamic state of the atmospheric column including vertical profiles of temperarture, humidity and cloud macro- and microphysical properties as well as the aerosol loading. The data is freely accessible for scientific and educational purposes and may be obtained through direct contact to Dr. U. Löhnert.