During this cruise the Leggo lander was deployed multiple times and drops 1 and 3 recovered seawater samples that were analyzed. Additional details can be found at: https://schmidtocean.org/cruise/expanding-mariana-trench-perspectives/ and https://scripps.ucsd.edu/labs/dbartlett/contact/challenger-deep-cruise-2014/.
More information is available in the post-cruise and final expedition reports (PDF).
Original cruise data are available from the NSF R2R data catalog
Dataset | Brief Description |
---|---|
viable cell counts | Viable cell counts on the bacteria in the seawater collected in the Niskin bottles during Leggo drops 1 and 3 |
flow cytometry | Direct counts (flow cytometry) on microbes obtained by Niskin bottle and pressure-retaining sampler |
nutrients | General nutrient data (averages) from Leggo drop 1 seawater |
PRS bacteria identification | Culture-independent identification of bacteria present in the pressure-retaining seawater (PRS) sampler deployed during Leggo drop 1 |
Trench CFUs | CFUs from Mariana and Kermadec trenches, 2014 |
Cell counts - water | Cell counts from Mariana and Kermadec trenches, 2014 |
Isolates | Isolates from Mariana and Kermadec trenches, 2014 |