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Temperature measurement instruments

Temperature measurements made in water can be made for many different reasons including atmospheric studies (the world’s oceans act as the heat store that drives global weather systems), climate change, ocean circulation (salinity and temperature are key signatures that are associated with masses of water formed in different locations), or for studies related to the health of fisheries or benthic habitats. Typically, temperature would be measured alongside other parameters such as salinity, chlorophyll or turbidity, as well as pressure (the reference parameter used for depth), and may be co-located in a single instrument body. Alternatively, individual sensors for each parameter may be used.