The climate of the ancient Near East. The Early Third Millenium BC in the northern Negev of Israel

Amiran, David H. K.

doi:10.3112/erdkunde.1991.03.01

Cited by 6 publications

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“…Several researchers have attributed the Intermediate Bronze cultural crisis to a long-term severe drought (e.g. Bell, 1971;Crown, 1972;Richard, 1980;Rosen, 1989;Amiran, 1991;Nissenbaum, 1994). The climatic explanation of this event is not clear, and its possible relation with the NAO index is questionable, because the extent of NAO association with the present Middle East precipitation is debated (Cullen et al, 2000).…”

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confidence: 99%

Stable isotopes of a subfossilTamarixtree from the Dead Sea region, Israel, and their implications for the Intermediate Bronze Age environmental crisis

Frumkin

2009

Quat. res.

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Trees growing on the Mt. Sedom salt diapir, at the southern Dead Sea shore, were swept by runoff into salt caves and subsequently deposited therein, sheltered from surface weathering. A subfossil Tamarix tree trunk, found in a remote section of Sedom Cave is radiocarbon dated to between ∼ 2265 and 1930 BCE. It was sampled in 109 points across the tree rings for carbon and nitrogen isotopes. The Sedom Tamarix demonstrates a few hundred years of 13C and 15N isotopic enrichment, culminating in extremely high δ13C and δ15N values. Calibration using modern Tamarix stable isotopes in various climatic settings in Israel shows direct relationship between isotopic enrichment and climate deterioration, particularly rainfall decrease. The subfossil Tamarix probably reflects an environmental crisis during the Intermediate Bronze Age, which subsequently killed the tree ∼ 1930 BCE. This period coincides with the largest historic fall of the Dead Sea level, as well as the demise of the large regional urban center of the 3rd millennium BCE. The environmental crisis may thus explain the archaeological evidence of a shift from urban to pastoral culture during the Intermediate Bronze Age. This was apparently the most severe long-term historical drought that affected the region in the mid-late Holocene.

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