| Porewater geochemistry data for sediment samples that were included in the global seep survey conducted via Alvin dives from R/V Atlantis cruise AT15-40 in the Guaymas Basin in 2008 | Concentration of dissolved inorganic carbon in sediment porewater samples. Notes: units are milli-Molar; the samples were acidified so that all DIC (CO2 + HCO3- + CO3=) turns into CO2.
| d13C_DIC |
| Bottle data from R/V Endeavor cruise EN665 in the Gulf of Maine, conducted April 7-12, 2021 | delta-13C of DIC
| DELC13 |
| Bottle data from R/V Endeavor cruise EN665 in the Gulf of Maine, conducted April 7-12, 2021 | delta-13C of DIC measurement standard deviation
| DELC13_SD |
| Concentrations, d13C and D14C data for DOC and DIC in fluids collected from North Pond Cork Observatories U1382A and U1383C and from bottom seawater in 2012, 2014 and 2017. | Delta 13C (d13C) is the ratio of stable isotopes 13C:12C relative to the PeeDee Belemnite standard
| delta_13C_DIC |
| Carbonate chemistry and CTD data collected along a North Pacific transect between Hawaii and Alaska on R/V Kilo Moana cruise KM1712 in August 2017 | isotopic cmposition of DIC
| d13C_DIC |
| In situ porewater data from the Cocos Ridge (Eastern Equatorial Pacific) acquired during cruise SR2113 between November - December 2021 | delta 13C of DIC
| d13C_DIC |
| DIC and del13C-DIC from nine M/S Columbus Waikato cruises between New Zealand and Long Beach, CA in the Pacific Basin from 2004-2006 | Carbon 13 to Carbon 12 ratio of DIC: 1000*[(13C/12C)sample - (13C/12C)standard]/ (13C/12C)standard
| d13C_DIC |
| Chemistry from discrete samples of hydrothermal springs sampled by the HOV Alvin during R/V Atlantis cruise AT26-24 at Dorado Outcrop in December of 2014 | Stable carbon isotope ratio of dissolved inorganic carbon (13C:12C ratio in DIC) using the Pee Dee Belemnite (PDB) standard
| DIC_d13C |
| Chemistry from discrete samples of hydrothermal springs sampled by the HOV Alvin during R/V Atlantis cruise AT26-24 at Dorado Outcrop in December of 2014 | Standard deviation of stable carbon isotope ratio of dissolved inorganic carbon (13C:12C ratio in DIC) using the Pee Dee Belemnite (PDB) standard
| DIC_d13C_stdev |
| Spring and pore fluid chemistry from samples taken by OsmoSamplers at Dorado outcrop during R/V Atlantis cruise AT26-24 near Cocos Ridge, Pacific Ocean in 2014 | Stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC)
| d13C_DIC |
| Pore fluid chemistry from gravity cores taken during R/V Atlantis cruise AT26-24 at the Dorado Outcrop near Cocos Ridge in December of 2014 (Dorado Outcrop project) | Stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC) using the Pee Dee Belemnite (PDB) standard
| d13C_DIC |
| Pore fluid chemistry from gravity cores taken during R/V Atlantis cruise AT26-24 at the Dorado Outcrop near Cocos Ridge in December of 2014 (Dorado Outcrop project) | Standard deviation of stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC) using the Pee Dee Belemnite (PDB) standard
| d13C_DIC_stdev |
| Pore fluid chemistry from push cores taken during R/V Atlantis cruise AT26-24 at the Dorado Outcrop near Cocos Ridge in December of 2014 (Dorado Outcrop project) | Stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC) using the Pee Dee Belemnite (PDB) standard
| d13C_DIC |
| Pore fluid chemistry from push cores taken during R/V Atlantis cruise AT26-24 at the Dorado Outcrop near Cocos Ridge in December of 2014 (Dorado Outcrop project) | Standard deviation of stable carbon isotope ratio of dissolved inorganic carbon (13C/12C ratio in DIC) using the Pee Dee Belemnite (PDB) standard
| d13C_DIC_stdev |
| Summary geochemistry and radiotracer rates for 30 marine sediment cores covering eight sites and four geochemical regimes | dic 13C stable isotopes
| d13c_dic |
| Geochemistry summary data: single cell isotope incorporation of 1H, 2H, 12C14N, 12C15N, 12C12C, 12C13C ions from Chikyu-337 (IODP 337) | delta 13C DIC
| Del_13C_DIC |
| The ratio of 13C to 12C of dissolved inorganic carbon (DIC) measured during the GEOTRACES Arctic cruise (HLY 1502, ARC01) during Fall 2015 | delta13C in per mil units relative to PDB
| DIC_13_12_D_DELTA_BOTTLE |
| d13C of Dissolved Inorganic Carbon (DIC) measured on bottle cast samples from Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 | d13C of DIC
| DIC_13_12_D_DELTA_BOTTLE_ams5is |
| d13C of Dissolved Inorganic Carbon (DIC) measured on bottle cast samples from Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 | One standard deviation of DIC_13_12_D_DELTA_BOTTLE_ams5is
| SD1_DIC_13_12_D_DELTA_BOTTLE_ams5is |
| d13C of Dissolved Inorganic Carbon (DIC) measured on bottle cast samples from Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018 | d13C of DIC
| DIC_13_12_D_DELTA_BOTTLE_fk4eat |
| d13C of Dissolved Inorganic Carbon (DIC) measured on bottle cast samples from Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018 | One standard deviation of DIC_13_12_D_DELTA_BOTTLE_fk4eat
| SD1_DIC_13_12_D_DELTA_BOTTLE_fk4eat |
| The 13C/12C stable carbon isotopic ratio of the dissolved inorganic carbon from samples collected on the GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) in the Eastern Tropical South Pacific from October to December 2013 | d13C-DIC; Carbon 13 to Carbon 12 ratio of DIC: 1000*[(13C/12C)sample - (13C/12C)standard]/ (13C/12C)standard. Reported in units of per mil.
| DIC_13_D_DELTA_BOTTLE |
| Porewater DIC concentrations and d13C isotopic values from sediment cores collected on the Guaymas Basin Ridge flanks and the Sonora Margin from R/V El Puma in October 2014 | DIC d13C signature
| DIC_d13C |
| Supplementary Table 1: Results of CHNS analyses in rock samples at different depths and sample images. | Ratio of stable isotopes 13C/12C
| Ratio_13C_12C |
| Isotope data from USCGC Healy cruise HLY1202 from the Arctic, North of Alaska in 2012 (OA - Canada Basin project) | Ratio of Carbon-13 to Carbon-12 as compared to VPDB standard in per mil (parts per thousand).
| d13C |
| Depth profiles of pore water constituents from sediment cores collected on the Louisiana Shelf of the Northern Gulf of Mexico during November 2020 on R/V Savannah cruise SAV-20-07 | The carbon isotopic fractionation of DIC (d13-DIC)
| d13C_DIC |
| Depth profiles of pore water constituents from sediment cores collected on the Louisiana Shelf of the Northern Gulf of Mexico during November 2020 on R/V Savannah cruise SAV-20-07 | Standard deviation of d13C_DIC
| sd_d13C_DIC |
| Hydrocarbon concentrations, DIC isotopes, nutrients, and cyanobacteria counts from samples collected on R/V Neil Armstrong cruise AR16 in the western north Atlantic during May 2017 | 13C isotope value dissolved inorganic carbon
| C13_12C_DIC |
| Hydrocarbon concentrations, DIC isotopes, nutrients, and cyanobacteria counts from samples collected on R/V Neil Armstrong cruise AR16 in the western north Atlantic during May 2017 | standard deviation of 13C/12C_DIC measurements done in triplicate
| sd_13C_DIC |
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