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Tejedor, Ernesto; Saz, Miguel Ángel; De Luis, Martin; Knovak, Klemen; Martínez del Castillo, Edurne; Longares, Luis Alberto; Serrano-Notivoli, Roberto; Cuadrat, José María (2017): Tree-ring width dataset of the Northeastern Iberian Peninsula since 1593. PANGAEA,, Supplement to: Tejedor, Ernesto; Saz, Miguel Ángel; Esper, J; Cuadrat, José María; De Luis, Martin (accepted): Summer drought reconstruction in Northeastern Spain inferred from a tree-ring latewood network since 1734. Geophysical Research Letters, 17 pp,

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Drought recurrence in the Mediterranean is regarded as a fundamental factor for socio-economic development and the resilience of natural systems in context of global change. However, knowledge of past droughts has been hampered by the absence of high-resolution proxies. We present a drought reconstruction for the northeast of the Iberian Peninsula based on a new dendrochronology network considering the Standardized Evapotranspiration Precipitation Index (SPEI). A total of 774 latewood width series from 387 trees of P. sylvestris and P. uncinata were combined in an inter-regional chronology. The new chronology, calibrated against gridded climate data, reveals a robust relationship with the SPEI representing drought conditions of July and August. We developed a summer drought reconstruction for the period 1734-2013 representative for the northeastern and central Iberian Peninsula. We identified 16 extremely dry and 17 extremely wet summers, and four decadal scale dry and wet periods, including 2003-2013 as the driest episode of the reconstruction.
Median Latitude: 41.791794 * Median Longitude: -0.305678 * South-bound Latitude: 40.110000 * West-bound Longitude: -2.830000 * North-bound Latitude: 42.970000 * East-bound Longitude: 2.260000
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