Germany: projects/activities

Directory entires that have specified Germany as the primary or lead country for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. To see the full list of countries, see the countries list. The specified country may not be the geographic region where the activity is taking place - to select a geographic region, see the list of regions.

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Displaying: 1 - 8 of 8
1. Detection of UV-B induced DNA damage

Detection of UV-B induced DNA damage on zoospores of brown algae

Biological effects Biology UV radiation CPD Temporal trends Ecosystems
2. Recruitment on hard bottom

Observation how UV-radiation affects recruitment on hard substrate in the upper sublitoral zone.

Shelf seas Biological effects Biology marine algae UV radiation Climate change Exposure Biodiversity Reproduction Temporal trends Ecosystems seaweeds
3. BIRD satellite validation

The German Aerospace Center (DLR) Bi-spectral Infrared Detection (BIRD) small satellite is a technology demonstrator of new infrared push-broom sensors dedicated to recognition and quantitative characterisation of thermal processes on the Earth surface. BIRD was successfully piggy-back launched on October 22, 2001 with an Indian Polar Satellite Launch Vehicle (PSLV-C3) into a circular sun-synchronous orbit with an altitude of 572 km and a North - South local equator crossing time at 10:30 h. Besides cameras working in the visible and near infrared spectral range there are two cameras working in the middle infrared (MIR, 3.4 – 4.2 µm) and in the thermal spectral range (TIR, 8.5 – 9.3 µm) respectively. The objective is to validate these two cameras in cooperation with the Koldewey-Station in Ny-Ålesund. Therefore meteorological and aerological data as well as radiation measuring data will be used.

Atmospheric processes Vegetation fires Mapping Clouds Fire maps Spatial trends Forest damage Industrial hazards Hot spots Atmosphere Temporal trends Volcanic activities Vegetation changes Satellite validation

Aim of the project is to develop a cost-effective long-term European observation system for halocarbons and to predict and assess impacts of the halocarbons on the climate and on the ozone layer. Beside the routine observations within the NDSC it is planned to perform with FTIR (Fourier Transform Infrared Spectroscopy) absorption measurements of CFCs (e.g. SF6, CCl2F2, CHF2Cl) and related species on much more observation days.

Atmospheric processes SOGE Ozone FTIR Climate variability Climate NDSC Climate change Halocarbons Modelling Arctic Atmosphere Temporal trends
5. Stratospheric ozone loss determination (Match)

By launching several hundred ozonesondes and by ozone lidar measurements at many Arctic and sub-Arctic stations, one of them Ny-Ålesund, the stratospheric chemical ozone loss will be determined. The launches of all stations will be coordinated by analysis of trajectory calculations based on analysis and forecast wind fields. The aim is to get as many ozone sounding pairs as possible, each of them linked by trajectories in space and time. A statistical description of the ozone differencies given by the first and the second measurement of individual sonde pairs will yield the chemical ozone loss with spatial and time resolution. Four similar campaigns took place in the Arctic and in the mid-latitudes covering the time period of Januar to March in each of the last four winters. In the first three winters high ozone depletion rates (20 - 50 ppbv per day) were determined in some height levels within the polar vortex. In the height level of the ozone maximum an integrated ozone loss (during the winter) in the order of 60 % have been found. These are record ozone losses for the Arctic polar region. In the last winter the ozone depletion rates had been much lower due to moderate temperatures in the stratosphere.

Atmospheric processes Ozone MATCH Climate variability Stratosphere Climate Spatial trends Climate change Ozonesonde Arctic Atmosphere Temporal trends
6. Heat and mass transfer in the active layer

The active layer, the annually freezing and thawing upper ground in permafrost areas, is of pivotal importance. The moisture and heat transfer characteristics of this layer also determine the boundary layer interactions of the underlying permafrost and the atmosphere and are therefore important parameters input for geothermal or climate modeling. Finally, changes in the characteristics of the permafrost and permafrost related processes may be used as indicators of global ecological change provided the system permafrost-active layer-atmosphere is understood sufficiently well. The dynamics of permafrost soils is measured with high accuracy and high temporal resolution at our two sites close to Ny-Ålesund, Svalbard. Using these continuous data we quantify energy balance components and deduce heat transfer processes such as conductive heat flux, generation of heat from phase transitions, and migration of water vapor.

Water flux Geology Soils Geophysics Spatial trends Modelling Arctic Permafrost Temporal trends Energy flux
7. UV-A/UV-B measurements

The changes in the stratospheric ozone layer due to anthropogen emissions lead to an increasing insolation of sunlight in the UV-B range (280nm - 320nm) on ground. One of the major objects of UV-B measurements is to detect long-term trends. The most interesting areas corresponding to ozone depletion are Antarctica and more recently the region around the northern pole. In interdisciplinary cooperation the data are also basis for research in the effects of increasing UV-B doses on plankton, algae, and other organisms. Since 1998 additional measurements of UV-A radiation (320-400nm) are done.

UV-B Biological effects Ozone trend measurements UV radiation Climate Climate change Arctic Atmosphere Temporal trends UV-a
8. Radionuklide in Fischen eingangs zur Barentssee : Radionuclides in fishes at the beginning of the Barents Sea

Our projects will investigate the effects of radioactive wastes on marine ecosystems. Two marine ecosystems have been chosen for projects: 1) the dumping site for low level radioactive waste in the north-east Atlantic and 2) the western part of the Barents Sea. The data on the radioecology of North Sea and Baltic Sea obtained in our long-time monitoring programmes will serve as a basis for the interpretation of the project´s results.

Fish Radioactivity Modelling Arctic Temporal trends