Tree-ring width and δ<sup>18</sup>O-derived hydroclimatic reconstructions allow a distinction between soil and atmospheric drought in the Mountain Forests of Northeastern Iran.

Sci Rep · 2026 · PMC13187265 · PMID 42156459

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an increasing trendno p-value reported

Based on tree-ring-based reconstructions of June–August VPD, 43) also found an increasing trend in summer VPD during recent centuries in Central Europe and the Mediterranean region over the past four centuries, supporting the signal of intensifying atmospheric drought across the World.

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Tree-ring width and δ&lt;sup&gt;18&lt;/sup&gt;O-derived hydroclimatic reconstructions allow a distinction between soil and atmospheric drought in the Mountain Forests of Northeastern Iran.

The sentences

Tree-ring width and δ<sup>18</sup>O-derived hydroclimatic reconstructions allow a distinction between soil and atmospheric drought in the Mountain Forests of Northeastern Iran.