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URN to cite this document: urn:nbn:de:bvb:703-epub-7631-2
Title data
Shatto, Christopher ; Weiser, Frank ; Walentowitz, Anna J. ; Stahlmann, Reinhold ; Shrestha, Samip ; Guerrero-Campos, María ; Medina, Félix Manuel ; Nogales, Manuel ; Jentsch, Anke ; Beierkuhnlein, Carl:
Volcanic tephra deposition dataset based on interpolated field measurements following the 2021 Tajogaite Eruption on La Palma, Canary Islands, Spain.
In: Data in Brief.
Vol. 52
(2024)
.
- 109949.
ISSN 2352-3409
DOI der Verlagsversion: https://doi.org/10.1016/j.dib.2023.109949
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Abstract
In 2021, the Tajogaite Volcano erupted along the western slope of the Cumbre Vieja on the island of La Palma, Canary Islands, Spain. Volcanic tephra blanketed a substantial proportion of the island. By our estimations, approximately 23,000,000 m3 of pyroclastic ashes and more coarse-grained particles were deposited unto La Palma's land surface in addition to the lava flow. Five months following the initial eruption, we measured the depth of the new ash layer across the island. We combined this data with drone-based observations to compile a dataset comprising the point distribution of ash depth. A spatial interpolation was then performed using Inverse Distance Weighting (IDW) to estimate the ash depth across the island at a 2 m spatial resolution. The interpolation performed well, yielding a root mean squared error (RMSE) value of 0.34 and thus, the dataset offers immense reuse potential for spatial inquiries related to evolutionary traits, vegetation patterns, and vegetation response to disturbance on oceanic islands. In addition, the data can be used to test different spatial interpolation techniques in an effort to improve the accuracy achieved using IDW.
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