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Research Voyage: SS 01/99

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    This data set contains Simrad EK500 single beam echosounder data at 38 and 120 kHz and Simrad EA500 single beam echosounder data at 12 kHz from the Southern Surveyor. The EK500 data is primarily for water column characterisation (fish stocks, microplankton distribution) and on occasions for seabed classification (particularly prior to the EM300 swath mapper being installed), while the EA500 data is primarily for bathymetric readings.

  • This record contains data collected at 7 stations on the Southern Surveyor cruise SS 01/99. Water samples were collected from an area of the Southern Ocean near MacQuarie Island to determine the bio-optical properties of water masses in these regions. The data can be used for Ocean Colour and CDOM sensor validation. Parameters measured are the concentration of chlorophyll and carotenoid pigments and the absorption coefficient for dissolved (CDOM) particulate (a/p) and detrital or non-algal (a/d) components of the water column. In addition to the station samples, 47 water samples were collected from the outflow of the underway fluorometer and analysed for the concentration of chlorophyll and carotenoid pigments only.

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    The acoustics group at CMAR, Hobart recorded log books for cruises they participated in. Logbooks (cruises) are as follows: - Petuna Endeavour August 1989 & Franklin FRV13 - EK500 course, TE01/90, SS trials cruise, TE05/90, TE06/90, Towed body trials, & Analysis of SS90 data. - SS02/91 - SS01/92 - SS03/92 - SS04/93 & SS05/93 - SS04/92 & SS03/93 - SS05/93 Calibration settings, Mufti towing trials (8/11/95 & 19/1/96), & SS11/95 - SS06/93 & SS07/93 - Tim's log book (18 Sept 1995 & 16 Nov. 1995, SS02/91, SS03/93, SS04/92, & SS05/93) - SS03/94 & SS05/94 - SS02/94 - SS01/95 & SS02/95 - SS07/97 - Dec 98 Calibration, SS9801, & SS9802 - SS9901 & SS9903 - Saxon Progress July 99, Petuna Explorer 2001, Celtic Rose 2001, Megisti 2001, & Corvina 2001 - Ningaloo Reef 2001 - PET200302 - SS200409 - TAN200701

  • Micronekton are small (~2-20 cm) free-swimming pelagic organisms. Ecologically, they are the mediators between primary production to higher trophic orders, by providing the trophic link between the mesozooplankton and apex predators. Here we describe CSIRO’s micronekton data holdings collected from 1992 to 2018 from 13 surveys within six areas around southeastern Australia and the Southern and Indian Oceans. Surveys include depth stratified sampling, integrated sampling and some diurnal and seasonal replication. Comparisons between surveys were made by standardising data using a consistent method for volume filtered estimates.