At present, instrumental data and information provided by geological and biological paleo-archives show that greenhouse gases are increasing at an unprecedented speed. If we are to understand how the Earth's climate elements are evolving, it is essential to describe and model past natural climate changes and their driving processes.

This research line focuses on extracting, isolating and quantifying fossil organic molecules in order to extend and improve available knowledge on climate changes. Organic matter, although originally forming part of different organisms (Bacteria, Archaea or Eucarya), finally accumulates on sedimentary archives thousands of years old, where it remains perfectly preserved, while registering the environmental conditions from the habitat of its former synthesizers.

Thus, fossil organic molecules represent an invaluable library of climatic events because they provide information, e.g. temperature, hydrological balance, primary photosynthetic production or processes related with greenhouse gases and pre/post-depositional activity (methanogenesis, aerobic oxidation, etc).

Our labs have are fully equipped with the technology required for the above research (gas chromatography with flame ionization, coupled to mass spectrometry with electron impact or with equipment for measuring stable isotopes, etc).

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FEDER 2015

Ajuts a infraestructures i equipament científic i tècnic

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