期刊
RADIOCARBON
卷 57, 期 2, 页码 217-235出版社
UNIV ARIZONA DEPT GEOSCIENCES
DOI: 10.2458/azu_rc.57.18555
关键词
-
资金
- European Research Council under the European Community's Seventh Framework Program (FP7)/ERC grant [229418]
This article presents the role of climate fluctuations in shaping southern Levantine human history from 3600 to 600 BCE (the Bronze and Iron Ages) as evidenced in palynological studies. This time interval is critical in the history of the region; it includes two phases of rise and decline of urban life, organization of the first territorial kingdoms, and domination of the area by great Ancient Near Eastern empires. The study is based on a comparison of several fossil pollen records that span a north-south transect of 220 km along the southern Levant: Birkat Ram in the northern Golan Heights, Sea of Galilee, and Ein Feshkha and Ze'elim Gully both on the western shore of the Dead Sea. The vegetation history and its climatic implications are as follows: during the Early Bronze Age I (similar to 3600-3000 BCE) climate conditions were wet; a minor reduction in humidity was documented during the Early Bronze Age II-III (similar to 3000-2500 BCE). The Intermediate Bronze Age (similar to 2500-1950 BCE) was characterized by moderate climate conditions, however, since similar to 2000 BCE and during the Middle Bronze Age I (similar to 1950-1750 BCE) drier climate conditions were prevalent, while the Middle Bronze Age II-III (similar to 1750-1550 BCE) was comparably wet. Humid conditions continued in the early phases of the Late Bronze Age, while towards the end of the period and down to similar to 1100 BCE the area features the driest climate conditions in the timespan reported here; this observation is based on the dramatic decrease in arboreal vegetation. During the period of similar to 1100-750 BCE, which covers most of the Iron Age I (similar to 1150-950 BCE) and the Iron Age IIA (similar to 950-780 BCE), an increase in Mediterranean trees was documented, representing wetter climate conditions, which followed the severe dry phase of the end of the Late Bronze Age. The decrease in arboreal percentages, which characterize the Iron Age IIB (similar to 780-680 BCE) and Iron Age IIC (similar to 680-586 BCE), could have been caused by anthropogenic activity and/or might have derived from slightly drier climate conditions. Variations in the distribution of cultivated olive trees along the different periods resulted from human preference and/or changes in the available moisture.
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