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European stratospheric monitoring stations in the Alps. An European contribution to the network for the detection of stratospheric change (NDSC)


The objective is to compare and to validate the observations performed at the network of alpine stations concerning stratospheric ozone and ozone-related trace constituents at mid-latitude in Europe.

This project is based on the existing capabilities for high-quality ground-based remote measurements at the following selected stations for the Network for the Detection of Stratospheric Change (NDSC):

- Observatoire de Haute Provence 44°N, 6°E, Alt. 600 m
- International Scientific Station 46.5°N, 8°E, Alt. 3580 m
at the Jungfraujoch
- Plateau de Bure 44.5°N, 5.9°E, Alt. 2500 m
- Observatoire de Bordeau 45°N, O.5°W, Sea level
- Universität Bern 47°N, 8°N, Alt. 550 m
- Arosa 46.7°N, 9.7°E, Alt. 1860 m
- Garmisch-Partenkirchen 47.5°N, 11.1°E, Alt. 730 m
- Hohenpreissenberg 47.8°N, 11.0°E, Alt. 975 m
- L'Aquila 43°N, 12°E, Alt. 600 m
- Payerne 46.8°N, 6.9°E, Alt. 491 m

The main tasks of this project are:
1. to make intensive coordinated ground-based observations to provide climatological measurements of ozone total amounts and vertical profiles, vertical aerosol distributions, CIO vertical profiles, NO2, NO, reservoirs and long-lived tracers total amounts;
2. to provide validated ground-based measurement at mid-latitude to contribute to SESAME;
3. to study the seasonal and interannual variability of the measured trace species;
4. to study the role of volcanic aerosols on ozone and NO2 reduction observed after the Mt. Pinatubo eruption by the development of aerosol modelling;
5. to provide measurements to est and improve stratospheric models including heterogeneous processes and to validate the current and planned satellite observations of the stratosphere (e.g. UARS and ERS-2/GOME).

The experimental studies are based on the currently available measurements of ozone using lidars, microwave radiometry (MR), UV-visible absorption spectroscopy (UV-VIS), Fourier Transform Spectroscopy in the infrared (FTIR). The vertical distribution of aerosols is obtained by lidars. The ozone-related species are measured by FTIR (NOx long-lived tracers, reservoirs), UV-VIS (NO2) and MR (CIO).


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Call for proposal

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EU contribution
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3,Ringlaan 3

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Participants (5)