Barren Island volcanism and seismicity: An intriguing finding

Gunda, Goutham Krishna Teja; Ray, P. K. Champati; Chauhan, M.; Chauhan, Prakash; Balaji, S.

doi:10.1007/s12040-021-01624-z

Cited by 3 publications

(1 citation statement)

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“…The development of algorithms exploiting multi-sensor data for monitoring and quantifying thermal volcanic activity has allowed to get more accurate results over time [Ganci et al, 2016; FastVRP to monitor volcanic radiative power Agency (ESA) space agencies provide FRP Level-2 products derived respectively from the Visible Infrared Imaging Radiometer Suite (VIIRS) and the Sea and Land Surface Temperature Radiometer (SLSTR). Only recently VIIRS FRP Product has been used to monitor volcanic activity because of its improved spatial resolution, up to 375 m [Gunda et al, 2021;Campus et al, 2022], while SLSTR has not been used yet for this purposes even though it has a comparable temporal resolution with respect to MODIS but a higher saturation temperature at MIR and TIR bands.…”

Section: Introductionmentioning

confidence: 99%

The FastVRP automatic platform for the thermal monitoring of volcanic activity using VIIRS and SLSTR sensors: FastFRP to monitor volcanic radiative power

Torrisi

Amato

Corradino

et al. 2023

Annals of Geophysics

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Satellite thermal remote sensing is widely used to detect and quantify the high-temperature vol- canic features produced during an eruption, e.g. released radiative power. Some space agencies provide Fire Radiative Power (FRP) Products to characterize any thermal anomaly around the world. In particular, Level-2 FRP Products of the Visible Infrared Imaging Radiometer Suite (VIIRS) and the Sea and Land Surface Temperature Radiometer (SLSTR) are freely available online and they allow to monitor high-temperature volcanic features related to the dynamics of volcanic activity. Here, we propose the FastVRP platform developed in Google Colab to process automatically the FRP Products provided by the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA) space agencies. FastVRP was designed to monitor the volcanic radiative power (VRP) related to eruptive activity of Mt. Etna (Sicily, Italy). We compared the quality of these FRP Products during a number of recent paroxysmal lava fountains occurred at Etna volcano between February and March 2021. We highlighted the advantages and the limits of each sensor in monitor- ing intense volcanic eruptions lasting a few hours. Furthermore, we combine the mid-high spatial/ low temporal resolution VIIRS and SLSTR with the low spatial-high temporal resolution SEVIRI (Spinning Enhanced Visible and Infrared Radiometer Imager) to improve estimates of the energies released from each paroxysmal episode. In particular, we propose a fitting approach to enhance the accuracy of SEVIRI low spatial-high temporal resolution measurements exploiting the few acqui- sitions from VIIRS and SLSTR high spatial-low temporal resolution during lava fountain cooling phase. We validated the radiative power values forecasted from VIIRS and SLSTR with the radiative power values retrieved using MODIS (Moderate Resolution Imaging Spectroradiometer) sensor.

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Section: Introductionmentioning

confidence: 99%