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首页> 外文期刊>Journal of Volcanology and Geothermal Research >Thermal infrared remote sensing of volcanic emissions using the moderate resolution imaging spectroradiometer
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Thermal infrared remote sensing of volcanic emissions using the moderate resolution imaging spectroradiometer

机译：使用中分辨率成像分光辐射计对火山排放物进行热红外遥感

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摘要

The volcanological community has a powerful new tool in the spaceborne moderate resolution imaging spectroradiometer (MODIS), which, from its synoptic perspective, provides satellite imagery of every volcano on Earth every 2 days. MODIS has the spectral characteristics to be able to utilise previously developed retrievals that quantify volcanic ash, ice, sulfates and sulfur dioxide using their thermal infrared (8-12 μm) transmission signature. In this paper, we present a detailed description of the methodologies, based within the thermal infrared region, that are being applied to MODIS data. MODIS data for two eruptions, Hekla, Iceland and Cleveland, Alaska are presented to show results from the ice, ash and SO_2 retrieval schemes. We look at current problems with the retrievals used to quantify volcanic emissions, detail recent developments within the field that can be applied to MODIS data, and suggest areas where improvements need to be made in the future.
机译：火山学界在星载中分辨率成像光谱仪（MODIS）中拥有一个强大的新工具，从天气角度看，该工具每2天提供地球上每个火山的卫星图像。 MODIS具有光谱特征，能够利用先前开发的检索技术，利用其热红外（8-12μm）传输特征来量化火山灰，冰，硫酸盐和二氧化硫。在本文中，我们将基于热红外区域对将应用于MODIS数据的方法进行详细说明。给出了冰岛赫克拉（Hekla）和阿拉斯加克利夫兰（Cleveland）两次喷发的MODIS数据，以显示冰，灰和SO_2检索方案的结果。我们用量化火山排放的取回方法来研究当前的问题，详细介绍该领域可应用于MODIS数据的最新进展，并提出今后需要改进的领域。

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