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标题：A Spectral Emissivity Library of Spoil Substrates
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作者：Marek Pivovarník ; Miroslav Pikl , Jan Frouz , František Zemek ; Veronika Kopačková , Gila Notesco 等
期刊名称：Data
印刷版ISSN：2306-5729
出版年度：2016
卷号：1
期号：2
页码：12-18
DOI：10.3390/data1020012
出版社：MDPI Publishing
摘要：Post-mining sites have a significant impact on surrounding ecosystems.Afforestation can restore these ecosystems, but its success and speed depends on the properties of the excavated spoil substrates.Thermal infrared remote sensing brings advantages to the mapping and classification of spoil substrates, resulting in the determination of its properties.A library of spoil substrates containing spectral emissivity and chemical properties can facilitate remote sensing activities.This study presents spectral library of spoil substrates’ emissivities extracted from brown coal mining sites in the Czech Republic.Extracted samples were homogenized by drying and sieving.Spectral emissivity of each sample was determined by spectral smoothing algorithm applied to data measured by a Fourier transform infrared (FTIR) spectrometer.A set of chemical parameters (pH, conductivity, Na, K, Al, Fe, loss on ignition and polyphenol content) and toxicity were determined for each sample as well.The spectral library presented in this paper also offers valuable information in the form of geographical coordinates for the locations where samples were obtained.Presented data are unique in nature and can serve many remote sensing activities in longwave infrared electromagnetic spectrum.
关键词：post-mining sites; spectral emissivity; spectral library; spoil substrates post-mining sites ; spectral emissivity ; spectral library ; spoil substrates