This dataset contains the Hydrology (HYD) data collected on Southern Surveyor voyage SS2010_t03.The voyage took place on transit from Hobart to Sydney, 16th september to 21st September 2010. This dataset has been archived within the CSIRO Marine and Atmospheric Research Data Centre in Hobart. Additional information regarding this dataset is contained in the cruise report for this voyage and/or the data processing report. Southern Surveyor on-voyage hydrology data are typically obtained from water samples collected in Niskin bottles at various depths during each CTD cast. Parameters measured normally comprise temperature, salinity, dissolved oxygen, phosphate, nitrate, and silicate.