Spatiotemporal drought variability in the Mediterranean over the last 900 years

Journal of Geophysical Research. Atmospheres : JGR
Benjamin I CookEdward R Cook

Abstract

Recent Mediterranean droughts have highlighted concerns that climate change may be contributing to observed drying trends, but natural climate variability in the region is still poorly understood. We analyze 900 years (1100-2012) of Mediterranean drought variability in the Old World Drought Atlas (OWDA), a spatiotemporal tree-ring reconstruction of the June-July-August self calibrating Palmer Drought Severity Index. In the Mediterranean, the OWDA is highly correlated with spring precipitation (April-June), the North Atlantic Oscillation (January-April), the Scandinavian Pattern (January-March), and the East Atlantic Pattern (April-June). Drought variability displays significant east-west coherence across the basin on multi-decadal to centennial time scales and north-south anti-phasing in the eastern Mediterranean, with a tendency for wet anomalies in the Black Sea region (e.g., Greece, Anatolia, the Balkans, etc) when coastal Libya, the southern Levant, and the Middle East are dry, possibly related to the North Atlantic Oscillation. Recent droughts are centered in the Western Mediterranean, Greece, and the Levant. Events of similar magnitude in the Western Mediterranean and Greece occur in the OWDA, but the recent 15-year droug...Continue Reading

References

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Citations

Jun 24, 2017·Scientific Reports·K SchroederS Sparnocchia
Jul 21, 2017·Scientific Reports·Timothy M LentonMarten Scheffer
Jun 24, 2018·Scientific Reports·Martin HanelRohini Kumar
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May 18, 2021·Environmental Science and Pollution Research International·Zubeyde Senturk Ulucak, Ali Gokhan Yucel
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Dec 10, 2021·The Plant Journal : for Cell and Molecular Biology·Agustin ZsögönAlisdair R Fernie

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