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Understanding climate dynamics - loess investigations in Northern Iran successfully completed

The project "Loess/palaeosol soil successions in Northern Iran and their paleoclimatic importance" with the participation of S3 and S5 has come to a successful conclusion. In an excellent way the results close a gap in the knowledge about Iranian loess and paleoclimatic importance, according to the final review of the DFG.

The loess and intercalated paleosols in Northern Iran reflect numerous cycles of climate change and landscape development for the mid to late Quaternary. Loess-paleosol sequences (LPS) represent the most important climate change geo-archive in the region and form a significant link between loess deposits in Southeast Europe and Central Asia. Within the project, LPS have therefore been continuously studied in the field and laboratory over several years and subjected to a multi-methodological scientific approach. The focus was on 70 OSL-datings, which served to reconstruct the chronological/pedostratigraphical framework and to further develop the dating method. The project team thus provided new data on age development, geomorphodynamics (including sedimentation rates), paleoenvironment and paleo soil development. All in all, the current understanding of the origin, climate indication and geochronology of the Northern Iranian loess deposits was thus enhanced. In addition, five young researchers have been able to gain further qualifications within the project.

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