Reflective spectra of gasoline, diesel, and jet fuel A on sand substrates under ambient and cold conditions: Implications for detection using hyperspectral remote sensing and development of age estimation models
Reflective spectra of gasoline, diesel, and jet fuel A on sand substrates under ambient and cold conditions: Implications for detection using hyperspectral remote sensing and development of age estimation models
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常温和寒冷条件下沙基上汽油、柴油和喷气燃料 A 的反射光谱：对使用高光谱遥感检测和开发年龄估计模型的影响
DOI：
10.1007/s12665-020-09165-2
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发表时间：
2020
影响因子：
2.8
通讯作者：
Krekeler, Mark P.
中科院分区：
文献类型：
--
作者：
Brum, Jared;Schlegel, Christopher;Chappell, Caleb;Burke, Michelle;Krekeler, Mark P.
燃油泄漏在全球范围内非常常见，传统的识别和补救方法可能昂贵、危险且耗时。高光谱遥感是一种利用来自各种飞行器或卫星的图像的技术，其中图像中的每个像素都包含定量反射光谱，该光谱是可见物质的函数。实验室和现场实验是建立有效的反射光谱库的必要条件。该项目评估了在室温和寒冷天气条件下，汽油、柴油和喷气燃料A在光谱明亮的渥太华砂和来自新墨西哥州（新墨西哥州15）的深色富硅砂上的反射光谱。对于室温实验，汽油仅在初始应用后90分钟内可检测到，柴油燃料在渥太华沙地以及新墨西哥州的15个样品上可检测到11周。在渥太华的沙子和新墨西哥州的15个样本中，可以检测到5周的喷气燃料A。对于所有的冷条件实验，汽油是可识别的基板上，直到72小时的标记很大程度上和柴油燃料和喷气燃料A是可识别的每个基板上5周。将回归拟合到室温和寒冷天气条件的蒸发曲线，并且除了实验室和寒冷天气条件下的喷气燃料A之外，所有回归在性质上都是对数的，其通过幂函数最佳拟合。出乎意料的是，柴油在寒冷的天气条件下蒸发得更多。结果表明，燃料基板实验可以提供关键数据的高光谱遥感调查和未来的详细工作的燃料和其他有机化合物是必要的。
Fuel spills are a very common occurrence globally and the traditional methods of identification and remediation can be expensive, hazardous, and time consuming. Hyperspectral remote sensing is a technology that utilizes images from a variety of air vehicles or satellites where each pixel in the image contains a quantitative reflected light spectrum that is a function of the materials in view. Laboratory and field experiments are desirable for building an effective reflective spectra library. This project evaluated the reflective spectra of gasoline, diesel, and jet fuel A on the spectrally bright Ottawa sand and a darker silica-rich sand from New Mexico (New Mexico 15) under room temperature and cold weather conditions. For the room temperature experiments, gasoline was only detectable to 90 min after initial application, diesel fuel was detectable out to 11 weeks on Ottawa sand, as well as the New Mexico 15 samples. Jet fuel A was detectable out to 5 weeks on Ottawa sand and the New Mexico 15 samples. For all cold condition experiments, gasoline was identifiable on substrates up until the 72-h mark largely and diesel fuel and jet fuel A were identifiable on each substrate out to 5 weeks. Regressions were fit to vaporization curves for room temperature and cold weather conditions and all were logarithmic in nature except for jet fuel A under lab and cold weather conditions which were best fit by power functions. Unexpectedly, diesel fuel evaporated more under cold weather conditions. Results indicate that fuel-substrate experiments can provide critical data for hyperspectral remote sensing investigations and future detailed work on fuels and other organic compounds is warranted.
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DOI：
10.1021/es9507170
发表时间：
1996
期刊：
--
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DOI：
--
发表时间：
2010
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发表时间：
2020
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