Mai et al. are mistaken in their assertions that we incorrectly calculated the residence time for floating microplastic stock at the ocean surface, and that most of our results are… Click to show full abstract
Mai et al. are mistaken in their assertions that we incorrectly calculated the residence time for floating microplastic stock at the ocean surface, and that most of our results are not novel. Their claim that our field-measured data and methods were not rigorous is wrong, as shown by a more careful consideration of what was done. Description
               
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