利用卫星图像对Thau泻湖缺氧危机期间的遥感反射率进行分析和建模

Manchun Lei, Audrey Minghelli, A. Fiandrino
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引用次数: 0

摘要

本文研究了2003年和2006年夏季缺氧危机期间Thau泻湖水体遥感反射率Rrs的光谱行为。光合硫氧化细菌(SOB)在缺氧水中的增殖使水的颜色变得不透明浑浊,直至乳白色。提出了采用中分辨率成像光谱仪(MERIS)传感器665 nm、709 nm和754 nm波段对SOB全缺氧水进行识别的方法。SOB层的反射率被描述为与SOB浓度有关的特定反射率。结果表明,利用多光谱传感器可以定量遥感缺氧危机时的SOB污染水。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis and modelling of remote sensing reflectance during anoxic crisis in the Thau lagoon using satellite images
This study concerns the spectral behavior of remote sensing reflectance Rrs of Thau lagoon water during the anoxic crisis in the summer of 2003 and 2006. The proliferation of photosynthetic sulfur-oxidizing bacteria (SOB) in anoxic water make the water color becomes opaque and turbid until milky. An identification method using 665 nm, 709 nm and 754 nm bands of Medium Resolution Imaging Spectrometer (MERIS) sensor is proposed to identify the total anoxic water filled by SOB. The reflectance of the SOB layer is described as a specific reflectance relating to the SOB concentration. The results show that SOB contaminated water during the anoxic crisis can be quantitatively remote sensed by multispectral sensor.
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