The medieval climate anomaly and the little Ice Age in coastal Syria inferred from pollen-derived palaeoclimatic patterns
2011
Kaniewski, D. | Van Campo, E. | Paulissen, E. | Weiss, H. | Bakker, J. | Rossignol, I. | Van Lerberghe, K.
The alluvial deposits of a small spring valley near Jableh, in north-western coastal Syria, provides a unique record of environmental history covering the last 1000years. The pollen-derived climatic proxy inferred from a 315cm deep core of alluvial deposits suggests that a shift towards wetter climatic conditions occurred from circa (ca.) 1000 to 1250 calibrated (cal) yrAD. This period is situated within the time frame of the Medieval Climate Anomaly. The reconstructed temperature trends show that the warming during this medieval episode was not as high as the modern scores, except for short intervals during the early 12th century AD. The core also recorded a shift towards drier conditions starting during the late 12th century AD, which represents the Eastern Mediterranean expression of the European “Great Famine” climatic event. The main dry and cool interval recorded in coastal Syria occurred from ca. 1520 to 1870calyrAD, a time frame encompassing the Little Ice Age. In Mediterranean Syria, the Little Ice Age is not only cooler, but also much drier than the Medieval Climate Anomaly and the present-day climate. Despite a strong human presence in coastal Syria throughout the last millennia, climate rather than anthropogenic activity seems to be the driving force behind the natural vegetation dynamics in this region.
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