Main tasks of 1st phase of China's 13th Arctic Ocean scientific expedition completed

With the completion of a seawater sample collection operation, the main tasks of the first phase of China's 13th Arctic Ocean scientific expedition have all been completed.

The expedition, organized by the Ministry of Natural Resources, is intended to conduct investigations into the geology and geophysics of the mid-ocean ridge, as well as atmospheric, sea ice, marine and subsurface environmental surveys, and surveys of biomes and pollutants.