The Curious Adventure of a Lonely Robot

Sea of Oman

Posted by Michael Hemming on October 05, 2015
So there I was, with five others, standing on a small boat in the Gulf of Oman. The air temperature was an unbearable 47 degrees, and the boat was fiercely rocking side to side, enough to make even the hardiest of sailors question their choice of profession. All eyes were focused on the horizon, as though any distracting glance away from the sea could jeopardise all efforts. Until suddenly, out of the deep, a yellow metallic body was spotted glistening under the midday sun. This was exactly what we were searching for.
As soon as the object was spotted, the ship was brought to an abrupt stop by the captain, whilst the crew organised themselves accordingly. An extended catching device was lowered into the water, plucking the object carefully out of the water below.


The Omani shelf warning from the deep

Oxygen minimum zones (hypoxic zones), reported for over 400 geographical regions, is a key stressor of coastal ecosystems worldwide. Not surprisingly, hypoxia has become a serious environmental challenge to fishery management. As one of the most prominent oxygen depletions of the ocean, the Arabian Sea oxygen minimum zone extends from the central part of the basin to the coasts of Oman, Iran, Pakistan and India and makes fisheries vulnerable to the shelf hypoxia. Shelf oxygen depletion causes numerous fish kill incidents along the Omani coast. Nevertheless, temporal variability of the shelf hypoxia and its impact on fish catches are still poorly investigated.


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