Insensitivity of Tree-Ring Growth to Temperature and Precipitation Sharpens the Puzzle of Enhanced Pre-Eruption NDVI on Mt. Etna (Italy)

• Ruedi Seiler ,

  Contributed equally to this work with: Ruedi Seiler, James W. Kirchner, Paolo Cherubini

  * E-mail: ruedi.seiler@wsl.ch

  Affiliations Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland, Department of Geography, University of Zurich, Zürich, Switzerland

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• James W. Kirchner ,

  Contributed equally to this work with: Ruedi Seiler, James W. Kirchner, Paolo Cherubini

  Affiliations Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland, Department of Environmental Systems Science, ETH Zurich, Zürich, Switzerland

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• Paul J. Krusic ,

  ¶‡ These authors also contributed equally to this work.

  Affiliations Navarino Environmental Observatory, Messinia, Greece, Institutionen för Naturgeografi, Stockholm University, Sweden

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• Roberto Tognetti ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Dipartimento di Bioscienze e territorio, Università del Molise, Contrada Fonte Lappone, Pesche, Italy

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• Nicolas Houlié ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Earth Sciences, ETH Zurich, Zürich, Switzerland

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• Daniele Andronico ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Osservatorio Etneo, INGV, Sezione di Catania, Italy

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• Sebastiano Cullotta †,

  † Deceased.

  ¶‡ These authors also contributed equally to this work.

  Affiliation Università di Palermo, Palermo, Italy

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• Markus Egli ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Geography, University of Zurich, Zürich, Switzerland

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• Rosanne D'Arrigo ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Lamont-Doherty Earth Observatory, Palisades, New York, United States of America

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• Paolo Cherubini

  Contributed equally to this work with: Ruedi Seiler, James W. Kirchner, Paolo Cherubini

  Affiliations Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland, Department of Geography, University of Zurich, Zürich, Switzerland, Lamont-Doherty Earth Observatory, Palisades, New York, United States of America

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