在2025年埃特纳火山爆发期间的多平台卫星衍生产品
G Ganci1, G Bilotta2, M Dozzo2
1Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo, Catania, Italy. gaetana.ganci@ingv.it.
Scientific data
|August 4, 2025
概括
来自第三代Meteosat卫星的卫星数据为2025年2月的Mt. 埃特纳火山喷发. 埃特纳火山喷发. 埃特纳火山喷发. 这一全面的数据集有助于理解火山活动和改善危险评估.
科学领域:
- 火山学 火山学是一门学科.
- 地球观测 地球观测
- 地质物理学 地质物理学
背景情况:
- 地球观测 (EO) 数据对于高分辨率的火山爆发评估至关重要.
- 2025年2月份的Mt. 这是一个巨大的变化. 埃特纳火山喷发是第一个由第三代Meteosat卫星完全监测的喷发,提供了增强的中红外线数据.
- 以前的监测依赖于不太先进的卫星技术.
研究的目的:
- 为2025年2月的Mt.提供一套全面的卫星衍生产品. 埃特纳火山喷发. 埃特纳火山喷发. 埃特纳火山喷发.
- 利用第三代Meteosat卫星的前所未有的数据进行详细分析.
- 提高对岩供应,喷发产量和火山危险评估的理解.
主要方法:
- 利用每日星球的图像来监测岩流.
- 采用爆发后的普莱亚德斯三重体来创建更新的数字表面模型 (DSM) 并估计沉积物厚度.
- 综合了MODIS,SEVIRI,VIIRS,FCI,Skysat,PlanetScope,TROPOMI和Pléiades的数据,以便进行全面的分析.
主要成果:
- 从多个传感器 (MODIS,SEVIRI,VIIRS,FCI) 中生成的时间平均放电率 (TADR).
- 使用SkySat和PlanetScope数据量化了岩流的面积扩张.
- 通过DSM差异化计算沉积物厚度,并从TROPOMI. 获得SO2质量流量.
- 从Pléiades图像中制作了一个5米分辨率的DSM.
结论:
- 对SO2排放和TADR的综合分析提高了对岩动态和喷发过程的理解.
- 提供的数据集对于多时代形态变化分析至关重要.
- 这些数据支持对山的火山危险评估研究的改进. 埃特纳. 埃特纳. 在埃特纳.
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