Picture from cruises/valdivia90

Valdivia cruise 1990

The bottles are filled after deployment and the CTD is back on deck again. This is a picture of the standard CTD with water sampling bottles around it. During the deployment these bottles can be filled in specific water depth to get probes for manual salinity detection later in the laboratory to calibrate the CTD sensors. Moreover the sampled water can be used for micro plankton monitoring or for nutrient measurement. In contrast to the high speed CTD the temperature and salinity profiles can be viewed during deployment.

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