应用MODIS进行赤潮影响因子分析的研究与探讨

Analysis on Effecting Factors of Red Tide Using MODIS

遥感技术已经成为赤潮监测的重要手段之一,目前,国内外已有多项应用遥感技术对赤潮成功监测的实例。然而,关于对赤潮的成因进行分析和研究的报道,在国内外学术文献中仍十分稀少。本文总结了赤潮监测的常见方法及引起赤潮发生的可能因素,对MODIS应用于赤潮探测技术的优势进行了分析,并在此基础上提出一种基于MODIS数据的综合海水水色、叶绿素a浓度、海水表面温度、悬浮泥沙含量多种因素的赤潮影响因子分析方法。对赤潮成因的分析将有利于实现赤潮的预测,从而尽可能减少赤潮暴发所造成的损失。

Remote sensing techniques has become one of the most important means of red tide detection. At present, there have been a number of successful applications of red tide detections using remote sensing technology both in China and abroad. However, the studies on the causes of red tide are still very rare appeared in the academic literature. This paper summarizes the common red tide detecting methods and the possible factors which cause the red tide, elaborates the advantages which MODIS has on the detection compared with other sensors. The paper also suggests a process to analyze the causes of red tide based on ocean color, chlorophyll a, sea surface temperature and suspended sediment concentration with MODIS remote sensing data. The analysis of cause factors will help to realize the red tide prediction which could minimize the losses caused by red tides.