Split-beam echosounder data from keel-mounted EK60 during PolarFront 2022-05 cruise
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Cruise report: Hull-mounted EK60 The keel-mounted Simrad EK60® split-beam echosounder continuously recorded hydroacoustic data at 18, 38, and 120 kHz. The ping rate was set to 1.5 seconds and pulse length to 1,024 µs. The echosounder was calibrated annually using the standard sphere method (Demer et al., 2015). A Seabird 911 Plus CTD® recorded temperature and conductivity regularly throughout the transects from which we could derive profiles of temperature and salinity, sound speed (Mackenzie, 1981), and the coefficient of absorption at each frequency (François and Garrison, 1982).
创建时间：
2023-01-09
