IODP Expedition 361 Elemental analysis (CHNS)

Fundamental elemental component (total carbon, hydrogen, nitrogen, and sulfur) fluctuations help define the origin, depositional environment, and diagenetic alteration of source materials. To determine C, H, N, and S, solid samples are reacted with a catalyst, separated by chromatography, and detected by thermal conductivity on a FlashEA 1112 CHNS elemental analyzer. Organic carbon can be directly measured on the elemental analyzer by acidification of the sample to drive off carbonate as carbon dioxide before analyzing. Total organic carbon on this report is measured rather than calculated.

Keywords

Mozambique Undercurrent, Delagoa Bight, Davie Ridge, DSTF (Dynamical Southern Ocean Subtropical Front), AAIW (Antarctic Intermediate Water), Limpopo River, Agulhas leakage, Mozambique Channel, Agulhas Undercurrent, Expedition 361, JOIDES Resolution, ITCZ (Intertropical Convergence Zone), Agulhas ring, CDW (Circumpolar Deep Water), Cape Basin, AABW (Antarctic Bottom Water), IOW (Indian Ocean Water), Ancillary Project Letter (APL-845), Agulhas Current, Climate and Ocean Change, EIOW (Equatorial Indian Ocean Water), Natal Valley, STF (Subtropical Front), Agulhas Return Current, Agulhas Plateau, TSW (Tropical Surface Water), East Madagascar Current, Southeast African margin, Agulhas LGM Density Profile, South Atlantic Ocean, Natal Pulses, NADW (North Atlantic Deep Water), Indian-Atlantic Ocean gateway, RSIW (Red Sea Intermediate Water), SAF (Subantarctic Front), South African Climates, Site U1477, Zambezi River, Site U1478, SICW (South Indian Central Water), Southwest Indian Ocean, monsoons, Site U1475, ASHSW (Arabian Sea High Salinity Water), Site U1476, STSW (Subtropical Surface Water), Site U1474, Agulhas Bank

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