# Carbon Geochemistry Samples List # from cruise AT39-01 on R/V Atlantis 2017 expedition to North Pond # PI: Peter Girguis (Harvard) # Co-PI: Sunita R. Shah Walter (Harvard) # Version: 12 January 2018 # Sampling Notes: # DIC samples collected, poisoned and sealed according to NOSAMS & WOCE protocol. # DOC samples filtered through pre-combusted Sterlitech GF75 filters & frozen at -80C in pre-combusted amber glass bottles sealed with PTFE-lined lids. # Whole fluids were sampled directly into pre-combusted amber glass bottles and frozen at -80C. # Filters collected by fluid filtration on the seafloor by the MPS system, pumped sequentially through the 5 um nylon net, GF/F and GF75 filters. ========================= Location_Description Latitude Longitude Depth m_or_mbsf Date_Sampled CTD_cast_or_Jason_Dive_Number ------------------------- Deep_Seawater 22.812723 -46.061982 4397 m 10/14/2017 CTD Site_U138A 22.755885 -46.081518 90-120 mbsf 10/12/2017 1027 Site_U1383C-shallow 22.802068 -46.052770 70-146 mbsf 10/13/2017 1028 Site_U1383C-middle 22.802068 -46.052770 146-200 mbsf 10/15/2017 1029 Site_U1383C-deep 22.802068 -46.052770 200-332 mbsf 10/11/2017 1026