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- W3048138869 endingPage "2537" @default.
- W3048138869 startingPage "2537" @default.
- W3048138869 abstract "Using satellite-based remote sensing to investigate volcanic eruptions is a common approach for preliminary research, chiefly because a great amount of freely available data can be effectively accessed. Here, Landsat 4-5TM, 7ETM+, and 8OLI night-time satellite images are used to estimate lava flow temperatures and radiation heat fluxes from selected volcanic eruptions worldwide. After retrieving the spectral radiance, the pixel values were transformed into temperatures using the calculated calibration constants. Results showed that the TIR and SWIR bands were saturated and unable to detect temperatures over the active lava flows. However, temperatures were effectively detected over the active lava flows in the range ~500–1060 °C applying the NIR-, red-, green- or blue-band. Application of the panchromatic band with 15 m resolution also revealed details of lava flow morphology. The calculated radiant heat flux for the lava flows accords with increasing cooling either with slope or with distance from the vent." @default.
- W3048138869 created "2020-08-13" @default.
- W3048138869 creator A5033099601 @default.
- W3048138869 creator A5046242967 @default.
- W3048138869 creator A5072245257 @default.
- W3048138869 creator A5074567786 @default.
- W3048138869 date "2020-08-07" @default.
- W3048138869 modified "2023-10-17" @default.
- W3048138869 title "The Estimation of Lava Flow Temperatures Using Landsat Night-Time Images: Case Studies from Eruptions of Mt. Etna and Stromboli (Sicily, Italy), Kīlauea (Hawaii Island), and Eyjafjallajökull and Holuhraun (Iceland)" @default.
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