Meteorological Measurement Station Cologne City Center

In December 2022 we as the working group opened the ‘Meteorologische Messstation Köln’. This project was realized together with our project partners, the City of Cologne, the StEB (water management of the city of Cologne) the UniSport Cologne and University. Now, we as a managing working group and the city of cologne continuously monitor the weather situation in the city center of cologne, which was missing. In the future, the measurements will be used in the university education, to study city weather – such as the heat island effect – and on the longer term to create a climate time series.

Start: Preperation of the the site
Building up the measurement housing

The Project was indicated by the city of Cologne looking for a collaboration in monitoring the city’s climate. This project made it possible to set up this station and use it for education and measuring of the weather. But also, to start new collaborations with the city authorities and a real grate opportunity to create outreach and interact with society!

Station is ready to measure

The Project was indicated by the city of Cologne looking for a collaboration in monitoring the city’s climate. This project made it possible to set up this station and use it for education and measuring of the weather. But also, to start new collaborations with the city authorities and a real grate opportunity to create outreach and interact with society! If you want to be up to date about the current and past weather visit our site ‘Meteorologische Messstation Köln’ online – LINK. Or brows back in time for some historical data. In the future, the station will also be equipped with a precipitation sensor, an ozone sensor, as well as, a radiation sensor.

Probing the Atmospheric Baoundary Layer at European scale – PROBE

Hervorgehoben

The Jülich ObservatorY for Cloud Evolution (JOYCE) takes part in the European Union founded Cost action PROBE. PROBE aims to investigate the capacity building of instrument operators to improve the use of state-of-the-art ABL profiling instruments and fostering coordination between operational agencies and academia to tailor measurement networks for well identified applications. Farther, knowledge brokers shell be identified to enable rapid exchange between academia, operational agencies, industry and end-users to ensure full exploitation for societal benefit. And therefore, the pan-European research coordination enhanced to develop new products and tools for data assimilation and long time series reanalysis
Within PROBE, the CPEX-LAB Expertise in setting up and operating cloud radar and microwave radiometers is applied to a European framework.

See also the PROBE homepage

Aerosol, Cloud and Trac-Gas Research Infrastructre – ACTRIS

Hervorgehoben

The Jülich ObservatorY for Cloud Evolution (JOYCE) has contributed to the ground-based cloud observation network (Cloudnet) since 2010. Cloudnet was followed up by ACTRIS which is currently being established as a long-term sustainable European research infrastructure. Within ACTRIS, the JOYCE observation platform is planned to be extended. Also, JOYCE will serve as the microwave radiometer node within the ACTRIS Center for Cloud Remote Sensing (CCRES).

See also the ACTRIS homepage for more information or

see the Press Release for the German ACTRIS contribution

How we measure the atmosphere

Hervorgehoben

As the name of the working group already mentions, we exploit Observations in Meteorology to explore new meteorological observation systems or methods to improve our knowledge of the atmospheric structures involved dynamical and microphysical processes. One of our focuses is the observation of and in the Atmospheric Boundary Layer (ABL). These observations can help us shed light on the physical processes in the ABL, such as turbulent fluxes or cloud and precipitation formation. Also, we investigate the impact of these observational methods on short-term weather forecasts and high-resolution re-analyses.

The main focus of our working group is to use remote sensing instrumentation to profile the atmosphere. Together with standard weather and atmospheric radiation measurement equipment, the instruments form the Jülich Observatory for Cloud Evolution (JOYCE). They are located on top of one of the buildings of the Forschungszentrum Jülich.

The graphic shows instrumentation of our JOYCE measurement platform – Rain gauge, scanning Ka-band Doppler cloud radar, microwave radiometer, AERI, w-band Doppler cloud radar, wind lidar, Ceilometer, sun-photometer, the JOYCE Logo, and radiation sensors (from top left to bottom right)

The University of Cologne operates a set of active and passive remote sensing instruments. So we generate data to perform our research. But JOYCE delivers data to International Research Infrastructures such as ACTRIS (Aerosol, Cloud, and Trace-gases Research infrastructure; a EU Measurement and Research Infrastructure) or E-Profiel (European Measurement Network for Wind and Aerosol profilers). International collaborations are necessary to improve and develop data products, measurement standards, and quality control routines.