【摘要】 在对德兴铜矿矿山废水的光谱特征深入分析研究的基础上,总结了不同类型水体(酸性水、碱性水以及河流水)的特征光谱,并利用地物谱特征开展矿山废水pH值污染指标提取研究。针对水体光谱反射率低、特征光谱不明显的特点,采用矿区卫星Hyperion高光谱数据,应用ISA算法和掩膜技术识别出水体分布并进一步与MNF变换有效结合,根据波段散点图进行不同pH值水体的有效分割。为矿山废水污染的诊断和监测提供了新技术和理论支撑。更多还原

【Abstract】 On the basis of an in-depth analysis of the spectral features of mine waste water in the Dexing copper mine,the characteristic spectra of different types of waters(acid water,alkaline water and river water)were summed up and the pH information extraction from mine waste water was studied using the hyperspectral imaging data.Due to the low reflectance and lack of specific absorption features of waters,the ISA algorithm and mask were used to discriminate the waters.Then the segmentation of waters with different pH values was accomplished by using MNF and scatterplot analysis.This study can supply and help the whole process of diagnosing and monitoring mine waste water pollution.更多还原