Towards Common Data Exchange Formats for Seafloor Geodesy
Résumé
Since October 2022, representatives of the seafloor geodesy community have met on a regular basis within an ad hoc working group called the GNSS-Acoustics Data Standardization Task Force (GADSTF). This task force has been placed under the umbrella of the IAG’s Inter-Commission Committee on Marine Geodesy (ICCM). The main goals of the task force are: to enable the shareability of the seafloor geodetic data collected by the different research groups around the world and to give better visibility to these data while respecting FAIR data principles (Findable, Accessible, Interoperable, Reusable); Identify how data can be easily stored in existing repositories or establish expectations for new repositories, and establish community-supported data standards that can be adopted by the repositories/data centers. The task force initially discussed a range of seafloor geodetic techniques. Given the considerable interest in GNSS-Acoustic by those who participated in the initial discussion, it was agreed to start discussions with this technique. Nevertheless, the task force is interested in a wide range of techniques and will likely revisit other techniques in the future. Techniques of future interest may include acoustic ranging, ocean bottom pressure sensors (OBP), or tiltmeters for instance. This presentation aims to introduce the work of the task force, the content of the discussions initiated, as well as the prototype of a standardized data format for GNSS-Acoustic based on a comma-separated values structure with universal label and flags, adaptable to a broad range of configuration but remaining versatile for future improvement.
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