The trend of oxygen falling is about two to three times faster than what we predicted from the decrease of solubility associated with the ocean warming.
Ocean oxygen decline greater than predicted (2017) http://climatenewsnetwork.net/ocean-oxygen-decline-greater-predicted/
Ocean Deoxygenation: Our Ocean’s Oxygen Supply & Demand Issue (2015) https://www.youtube.com/watch?v=hrHGwFrqIgg
Low Oxygen Hypoxia in Marine Waters (2016) https://www.youtube.com/watch?v=b6RJi9k_VNE
Video material from http://Pixabay.com