Abstract

In this paper, we provide an overview of ocean color products derived from the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (SNPP), which was launched on October 28, 2011. VIIRS ocean color products include normalized water-leaving radiance spectra nL w (λ) at VIIRS five spectral bands, chlorophyll-a concentration (Chl-a), water diffuse attenuation coefficients at the wavelength of 490 nm, K d (490), and at the domain of photosynthetically available radiation (PAR), K d (PAR). In addition, new products of nL w (λ) at VIIRS I-band 638 nm nL w (638) and QA Score are now included. VIIRS ocean color products derived from the Multi-Sensor Level-1 to Level-2 (MSL12) ocean color data processing system are evaluated and compared routinely with in situ data from the Marine Optical Buoy (MOBY) and several AERONET-OC sites. Our evaluation results show that VIIRS has been providing high-quality global ocean color products in support of scientific research and operational applications. Some application examples using satellite ocean color data are provided. VIIRS-derived ocean color data can be used for water property monitoring and evaluation, habitat characterization, and refining stock assessments.

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