The Enteromorpha prolifra spatial distribution monitoring using multispectral aerial remote sensing images in 29th Olympics sailing area

In June 2008, Enteromorpha prolifra, a kind of green algae, widely distributed in the Surface Water of the Yellow Sea of China and posed a threat to the 29th Olympic Sailing Games. An 11-channel scanner was used to monitoring the spatial distribution situation. We will introduce the aerial remote sensing monitoring method in this paper. There are three objectives. 1) Analyze the spectrum of Enteromorpha prolifra, ocean water and sun glitter in multispectral aerial images; 2) Based on the ground-based and aerial spectrum properties, chose the optimal recognition method and practiced with software tools; 3) validate the results of aerial remote sensing with field survey. The validation results were preferably well.