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湖泊科学  2008 

芬兰海岸带水域蓝藻水华遥感监测(英文)

DOI: 10.18307/2008.0205

Keywords: 蓝藻水华,卫星观测,海岸带水体,内陆湖泊

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Abstract:

MODIS-Terra和MERIS数据被用于芬兰湾蓝藻水华的监测,并对两者的性能进行了比较.研究结果表明:MODIS-Terra波段设置主要针对一类大洋水体,缺乏预警藻蓝素的有效波段;MERIS传感器设置了620nm和665nm波段,基本对应藻蓝素的吸收峰(630nm)和反射峰(650nm),具有蓝藻水华探测的潜力,但在藻华未成型之前,海岸带水体不同优势藻类具有相似的叶绿素特征,较难辨别蓝藻水华.总的来说,MODIS和MERIS数据比较困难实现蓝藻水华初期预警,但可以有效监测已成型的蓝藻水华.这一方法可以用于中国太湖或者海岸带水体藻华探测和监测研究.

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