ENVINET (European network for arctic-alpine multidiciplanary environmental research) is a research infrastructure network focusing on multidisciplinary environmental research in Europe. The network involves representatives from 18 environmental research infrastructures from the European Alps to the Arctic, representatives of their users and representatives from relevant international organizations and networks. The participating infrastructures cover a broad range of environmental sciences primarily within atmospheric physics and chemistry as well as marine and terrestrial biology.
The ENVINET project directory covers data and observation activities at these stations.
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IRIS brings together several EU partners to investigate methods to estimate sea ice ridging severity from satellite imagery and assess the impact of these ridges on icebreaker transit times, particularly in the Baltic Sea. The consortium is largely Finnish and is co-ordinated by the Helsinki Technical University. SAMS’ role is to study statistical properties of synthetic aperture radar (SAR) images and relate these to ridge parameters.
SITHOS (Sea Ice Thickness Observation System) is also a three-year EU Framework 5 project. The Nansen Environmental Remote Sensing Centre (NERSC) will co-ordinate six institutions in the development of an integrated system for measuring sea ice thickness in the Arctic Ocean. Several approaches for obtaining ice thickness will be used, including novel flexural-wave methods, remote sensing and electromagnetic induction techniques. SAMS’ role is to provide data from UK submarines and aid in the development of the novel tiltmeter-based instruments. Data will be used to improve sea ice models and validate the new CRYOSAT satellite sensors. The resulting synoptic thickness monitoring network will be used to investigate the postulated dramatic thinning in the Arctic Ocean sea ice cover as a result of climate change.
During the spring/summer transition, sea ice and snow properties change considerably in response to warming and the eventual reversal of temperature gradients within the snow and ice. Snow melt water percolates down towards the colder snow/ice interface, where it refreezes to form superimposed ice. On sea ice this process occurs probably longer and more intensive than on land, because throughout the summer the ice and underlying seawater is always colder than the snow. In Antarctica superimposed ice may actually form layers of some decimeters in thickness. The objective of this study is to investigate the main processes and boundary conditions for superimposed ice formation, in recognition of its importance for Antarctic sea ice, and its possible importance for Arctic sea ice in case of environmental changes due to future climate change. This will be performed by means of modeling as well as by combined measurements of the temporal evolution of snow and ice properties and the energy budget.
The main focus of our project is to study the onset of summer melt conditions in terms of the surface energy budget over fast ice and ints impact on the formation of superimposed ice.
Study of the energy exchange between atmosphere and ice sheets by means of measurment of solar radiation