Raw EK60 echosounder data: Swart seamount, British Indian Ocean Territory 2015
These data consist of raw uncalibrated 38 and 120 kHz echosounder observations collected during a pelagic survey of the Chagos archipelago MPA (January 2015). Observations were collected from a pole-mounted system (transducers were fixed at a depth of 3m). Data include several transects recorded during the 19th January at the Swart seamount site (close to Diego Garcia). A calibration was conducted prior to the survey. Resultant transducer peak gain (G0) and Simrad correction factor (Sa) values were as follows: 38 kHz (power = 1000 W; pulse duration = 1.024 ms; G0 = 20.97 dB; Sa = -0.62 dB) and 120 kHz (power = 250 W; pulse duration = 1.024 ms; G0 = 24.5 dB; Sa = -0.29 dB).
Data and resources
Additional information
| Temporal extent | 2015-01-19 – 2015-01-19 |
|---|---|
| Date (creation) | 2015-01-19 |
| Date (revision) | 2020-10-12 |
| Date (publication) | 2020-10-13 |
| Date (publication) | 2020-11-06 |
| Status | onGoing |
| Update frequency | asNeeded |
| Metadata language | en |
| License | Conditions for access and use apply |
| Source metadata | ISO 19115 XML |
| Last updated | 2026-11-04 |
| Created | 2026-11-04 |
| API | package_show |