Waples, Douglas W (1985): (Table 1) Total organic carbon, calcium carbonate and nitrogen at DSDP Holes 80-559 and 80-550B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.808054, Supplement to: Waples, DW (1985): Organic and inorganic nitrogen in sediments from Leg 80, Deep Sea Drilling Project. In: De Graciansky, PC; Poag, CW; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Gov. Printing Office), 80, 993-997, https://doi.org/10.2973/dsdp.proc.80.146.1985
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Abstract:
Concentrations of organic and inorganic nitrogen have been measured on Leg 80 sediments. The inorganic nitrogen content is relatively constant, 0.02-0.03 wt.%. Because most of the inorganic nitrogen occurs as NH3 or (NH4)+ fixed on clays, clay-poor sediments have lower inorganic nitrogen contents.
Organic nitrogen content depends upon both the type and the quantity of organic matter present. In Leg 80 sediments, woody kerogens contain much less organic nitrogen than do kerogens of algal origin. Furthermore, pelagic samples of low organic carbon content have less organic nitrogen than predicted, because of loss during diagenesis.
DSDP shipboard analytical procedures do not distinguish between organic and inorganic nitrogen. Great caution must therefore be exercised in interpreting C/N ratios.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 48.802000 * Median Longitude: -13.268350 * South-bound Latitude: 48.516000 * West-bound Longitude: -13.438700 * North-bound Latitude: 49.088000 * East-bound Longitude: -13.098000
Date/Time Start: 1981-06-15T00:00:00 * Date/Time End: 1981-06-30T00:00:00
Minimum Elevation: -4420.0 m * Maximum Elevation: -2515.0 m
Event(s):
80-549 * Latitude: 49.088000 * Longitude: -13.098000 * Date/Time: 1981-06-15T00:00:00 * Elevation: -2515.0 m * Penetration: 1001.5 m * Recovery: 370 m * Location: North Atlantic/SPUR * Campaign: Leg80 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 91 cores; 759.5 m cored; 53 m drilled; 48.7 % recovery
80-550B * Latitude: 48.516000 * Longitude: -13.438700 * Date/Time: 1981-06-30T00:00:00 * Elevation: -4420.0 m * Penetration: 720.5 m * Recovery: 177.8 m * Location: North Atlantic/PLAIN * Campaign: Leg80 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 30 cores; 264.5 m cored; 133 m drilled; 67.2 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Waples, Douglas W | DSDP/ODP/IODP sample designation | ||
| 3 | Carbon, organic, total | TOC | % | Waples, Douglas W | Element analyzer CHN (Hewlett-Packard 185-B) | |
| 4 | Calcium carbonate | CaCO3 | % | Waples, Douglas W | Carbonate bomb (Müller & Gastner, 1971) | |
| 5 | Nitrogen, total | TN | % | Waples, Douglas W | Element analyzer CHN (Hewlett-Packard 185-B) | |
| 6 | Nitrogen, inorganic | N inorg | % | Waples, Douglas W | Element analyzer CHN (Hewlett-Packard 185-B) | |
| 7 | Nitrogen, organic | N org | % | Waples, Douglas W | Calculated | = N total - N inorg |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
156 data points