Definition: Long-Wave Infrared

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Long-Wave Infrared

Long Wave Infrared (LWIR) refers to multi- and hyperspectral data collected in the 8 to 15 µm wavelength range. LWIR surveys are sometimes referred to as "thermal imaging" and can be used to identify relatively warm features such as hot springs, fumaroles, and snow melt. LWIR can also be used to map the distribution of certain minerals related to hydrothermal alterations.[2]

Wikipedia Definition

  1. Katherine Young,Timothy Reber,Kermit Witherbee. 2012. Hydrothermal Exploration Best Practices and Geothermal Knowledge Exchange on Openei. In: Proceedings of the Thirty-Seventh Workshop on Geothermal Reservoir Engineering. Thirty-Seventh Workshop on Geothermal Reservoir Engineering; 2012/01/30; Stanford, CA. Stanford, CA: Stanford University, Stanford Geothermal Program; p.
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