The OHA-GEODAMS Seafloor Observatory
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geodams.bsky.social
The OHA-GEODAMS Seafloor Observatory
@geodams.bsky.social
OHA-GEODAMS is a submarine geodetic, hydro-acoustic and seismological observatory aimed at measuring seafloor spreading as it happens across the Southeast Indian Ridge and Amsterdam transform fault (37ºS). Funded by https://anr.fr/Project-ANR-24-CE49-7271
When we redeploy a transponder+tripod, we must always make sure it's standing upright on the seafloor, and that it can still ping its colleagues.
January 31, 2025 at 4:18 AM
We then release the weight, sinking the entire mooring down to the seafloor in a matter of minutes.
January 30, 2025 at 6:17 PM
We start by deploying the float containing the hydrophone from the back deck, then unroll the ~2 km long mooring...
January 30, 2025 at 6:17 PM