Digital Archive (ERDA)
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J2-366: Scooping Bacterial Mat at Ula Nui
This video shows a scooping operation at Ula Nui to collect microbial mat and piece of rocks in it. With the robotic arm of the Jason a PVC pipe with the red valve in its open position is being scooped through the mat. After a successful scoop, the valve is closed and the scooper is stored o ...
Data Types: video excerpt
Jason II and Medea Recovery after Dive J2-365
Following dive J2-365 of the FeMO2008 cruise to Loihi Seamount, both Medea and the ROV Jason were brought back on board the R/V Thomas G. Thompson.
Data Types: video excerpt
Tropical Pacific CTD Data at 50 meter Intervals
Table representing CTD Data (Temperature, Salinity, Pressure, Oxygen, and Sound Velocity) taken at 50 meter depth intervals. This particular profile is taken close to Loihi Seamount, Hawaiian Islands.
Data Types: spreadsheet
J2-366: Inspecting Damaged Elevator
This video shows a close inspection of the extensive damage to the Jason elevator. Unfortunately, the damage is severe. In particular there are a multitude of glass shards covering the elevator and the experiments and crates attached to it. It is decided it is not worth the time and money t ...
Data Types: video excerpt
J2-367: Walking Octopus at 5000m
Macro fauna is not abundant on Loihi Seamount. However, this video shows an active octopus walking on the south rift, close to 5000 m water depth. Its white color is in perfect contrast with the dark basalt subsurface.
Data Types: video excerpt
Mariprofundus Ferroxydans growing
Clara Chan┬┐s movie of Mariprofundus Ferroxydans growing under the microscope during the FeMO2008 to Loihi Seamount. As can be seen in this short movie, the cell is leaving a twisted iron oxide trail. As the single cell grows it expels a rusty trail until it divides. When it divides the tw ...
Data Types: video excerpt
J2-367: Jason Taking a Rock Sample
This video shows how the Jason takes a rock sample at 5000 m water depth. Rock samples are taking for both geological and biological study, but in both cases the researchers seek out in situ pillow basalts with thick rinds of volcanic glass.
Data Types: video excerpt
J2-369: Exposure Experiment at New M17
Although the original Marker 17 deployed with the PISCES in 2004 was not found, many exposure experiments were placed at the new Marker 17 (prime) in the vicinty.
Data Types: video excerpt
Bact trap 53 deployed at Ula Nui
During dive J2-307 of the FeMO2007 cruise this was one of the first bacterial traps (BT53) placed on the surface of Loihi Seamount, deep on its southern rift where a low temperature hydrothermal site called Ula Nui was discovered during the FeMO2006 a year earlier.
Data Types: video excerpt
J2-369: Deep Sea Coral
Typically the flanks and pits on Loihi seamount are barren from much macro-fauna. However, the North Rift is different and many solitary deep sea corals are encountered.
Data Types: video excerpt
How Hydrology and Geochemistry at Seamounts Provide Habitats for Microbes
In this keynote presentation for the SEAMOUNTS'09 Workshop Dave Emerson explains why seamounts are dynamic refugia in a comparatively static deep ocean that may provide unique habitats that stimulate microbial growth, especially because of the roles seamounts and basaltic outcrops play i ...
Data Types: presentation
Damage to Elevator Floating Spheres during J2-366 Dive
The first elevator that was deployed with the J2-366 dive during the FeMO2008 cruise to Loihi Seamount, was severely damaged after the yellow "hard hat" glass floating spheres imploded.
Data Types: video excerpt

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