Monitoring and spatial distribution of lava and volcanic eruptions from  Cumbre Vieja ridge on island La Palma in the Canary Islands occured in 2021 by methods of remote sensing

Andrey Stoyanov

doi:10.1117/12.2684372

19 October 2023 Monitoring and spatial distribution of lava and volcanic eruptions from Cumbre Vieja ridge on island La Palma in the Canary Islands occured in 2021 by methods of remote sensing

Andrey Stoyanov

Author Affiliations +

Proceedings Volume 12734, Earth Resources and Environmental Remote Sensing/GIS Applications XIV; 127341J (2023) https://doi.org/10.1117/12.2684372
Event: SPIE Remote Sensing, 2023, Amsterdam, Netherlands

Abstract

In the present research the eruption at the Cumbre Vieja volcanic ridge, lasted from 19 September to 13 December 2021, and the lava effusions were monitored. Multispectral images from satellites are widely exploited for mapping lava flows and lava fields. Satellite data contain reflective and emissive information in the visible, infrared, and thermal portions of the electromagnetic spectrum about territories covered by lava flow. An estimation of the area covered by the lava flow and the newly formed peninsula were made by use of Copernicus data. Satellite images from Multi Spectral Imager (MSI) onboard Sentinel-2 satellite and Landsat eight to nine (OLI) mission were chosen during the period of volcano activity and are processed in order to visualize and estimate the extent of the natural hazard and to evaluate its negative consequences. A set of different band combinations of optical satellite data and lava indices were applied. An attempt to apply Tasseled Cap Transformation of optical data was made in order to obtain more precise and accurate information about lava flow’s dynamics and to distinguish recently cooled from older lava fields.

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Andrey Stoyanov "Monitoring and spatial distribution of lava and volcanic eruptions from Cumbre Vieja ridge on island La Palma in the Canary Islands occured in 2021 by methods of remote sensing", Proc. SPIE 12734, Earth Resources and Environmental Remote Sensing/GIS Applications XIV, 127341J (19 October 2023); https://doi.org/10.1117/12.2684372

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KEYWORDS

Satellites

Visualization

Landsat

RGB color model

Remote sensing

Short wave infrared radiation

Lanthanum

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