Climate dynamics during the late Holocene derived from cell structure measurements of juniper trees in the eastern Mediterranean

Cell structure measurements taken from microscopic thin sections of juniper stem wood are used to develop high-resolution climate proxies for the first time in the Middle East North Africa region (MENA). 

Typical landscape in the Lebanese Mountains with some snow, indicating the high altitude of about 2000m asl, and Juniperus trees, the target species of the study. © Mansour Mdawar // Mansour Mdawar

DAI Standort  Zentrale

Laufzeit  2020 - 2024

Projektverantwortlicher  PD Dr Habil Ingo Heinrich

Adresse  Im Dol 2-6 , 14195 Berlin

Email  Ingo.Heinrich@dainst.de

Laufzeit  2020 - 2024

Methoden  Digitale Fotografie, Feldforschung

Partner  Helmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum GFZ

Förderer  Deutsche Forschungsgemeinschaft (DFG)

Projekt-ID  5760

Überblick

Large parts of present-day Africa are affected severely by global and environmental change, resulting directly in or worsening already existing societal problems. Since the continent has gone through similar changes in the past, it is important to comprehend the regional past climate dynamics in more detail, since it has been hypothesised that environmental change played a significant role in conditioning human expansions, contractions and possibly even extinctions. More reliable regional climate reconstructions will be valuable background information. However, datable wood from African trees is very rare. For dendroclimatological purposes, juniper imported from the Middle East North Africa region (MENA) is promising to study climate teleconnections in northern Africa. Hence, the main goal of the project is to produce cell structure data series and correlate them with climate data. Subsequent analyses will examine relationships to the atmospheric and oceanic modes of climate variability (e.g., ENSO, NAO and Monsoon) in the eastern Mediterranean and northeast Africa, investigate the impact of past volcanic eruptions and identify possible climate effects on human societies in the region.