Hyperspectral identification method for algal community structures in water bloom stage
A technology for community structure and identification methods, applied in the measurement of color/spectral characteristics, material analysis by optical means, measurement devices, etc., can solve the problems of complexity, failure, and inability to assess the risk of bloom algal toxins
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[0031] Embodiment: In order to judge the algae bloom phenomenon in a certain water area and identify the relative abundance ratio of blue-green-diatom populations during the bloom period, this embodiment provides "a hyperspectral identification method for algae community structure during the bloom period", This can be achieved by installing in-situ digital cameras and ground object spectrometers in selected areas prone to blooms in the waters.
[0032] Specifically, the in-situ digital camera installation requirements: ≥ 5 million pixels, the camera is about 1m away from the water surface, the angle between the shooting direction and the water surface normal is about 40°, and the direction is away from the sun; the ground object spectrometer installation requirements: the spectral range should include 325-1075nm, spectral resolution ≤ 3nm, the probe is about 1.3m away from the water surface, the angle between the direction of the probe and the normal of the water surface is abo...
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