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2 laboratories found (0.042 s)
  • GFZ Helmholtz Centre for Geosciences

    The Dendroclimatology Laboratory serves for the reconstruction of temporal and spatial variability of the climate of the past utilizing multi-parameter tree ring analysis.

    Aims:

    • to reconstruct the temporal and spatial variability of the climate of the past utilizing multi-parameter tree ring analysis
    • to assess and verify the causes of climate change and its impact on woody plants

    Tasks:

    • quantitative analysis of the climate-signal transfer from atmosphere through soil …
  • GFZ Helmholtz Centre for Geosciences

    Tephra, the Greek word for ash, is used to describe any material that is ejected by a volcano into the atmosphere (pyroclasts). Tephra includes dense blocks and bombs (> 64 mm), and lighter materials such as scoria, pumice and ash (< 2 mm). As one moves away from a volcano, the tephra deposits become finer grained (smaller particles) and thinner. This is because small airborne particles hover longer and stay within the atmosphere for a greater distance from the volcano. These particles of ash …