MODIS-Aqua Daily Chlorophyll-a - OC-SMART AC 2014
type: Dataset
keyword: modis
keyword: aqua
keyword: level-3
keyword: chlorophyll-a
keyword: chl
keyword: ocean color
keyword: observation
keyword: daily
keyword: surface
keyword: brazil
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description: The MODIS-Aqua daily Chlorophyll-a concentration (CHL, measured in mg·m-3) utilizes daily data from the MODIS sensor onboard NASA's Aqua satellite (MODIS-Aqua). This data has a nominal resolution of 1 km at nadir and is atmospherically corrected using the Ocean Color - Simultaneous Marine and Aerosol Retrieval Tool (OC-SMART) (FAN et al., 2021). The CHL estimates are obtained from daily MODIS-Aqua remote sensing reflectance via the Combination Of Neural Network models in Estimating Chlorophyll-a over Turbid and Clear Waters (CONNECT) (TRAN et al., 2025). The daily CHL products are the mosaic of several images of CHL estimates obtained for the same day and merged into daily composites utilizing the SNAP mosaicking tool.
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end date: 2014-12-31T23:59:59.999Z