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Kähler, Paul (2008): Organic carbon and nitrogen concentrations on vertical profiles along 65°E in waters of the Arabian Sea during the intermonsoon period of 1995 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.696220

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Abstract:
Not filtered water samples were taken in 10 ml ampoules (sealed immediately after being acidified with phosphoric acid to pH<2, sampling), or 40 ml screw-lid vials, and measured onboard at sampling or next days, or frozen (-20°C) until being acidified and measured in home labs.
Carbon measurement was by high-temperature catalytic oxydation in a 10 cm column packed with 5% Pt on aluminum oxide beads at 900°C in a stream of oxygen, and CO2 detection by infrared extinction after the removal of moisture and SO2 by appropriate traps (cold trap, Mg-percarbonate, Na-pyrophosphate, tin, bronze or Sulfix). The apparatus was the dual channel Dimatek 2000 equipped with a Binos 200 detector.
Nitrogen was measured by chemoluminescence detection of NO2 in the combustion gases after leaving the Binos detector in one of the two channels of the setup. Most measurements of samples containing high nitrate were discarded, when data were inconsistent. The nature of nitrate interference is not clear.
Coverage:
Median Latitude: 11.747473 * Median Longitude: 64.985780 * South-bound Latitude: 1.994100 * West-bound Longitude: 64.800000 * North-bound Latitude: 21.003667 * East-bound Longitude: 65.009000
Date/Time Start: 1995-05-07T07:00:00 * Date/Time End: 1995-06-01T21:00:00
Event(s):
M32/3_237 * Latitude: 21.003667 * Longitude: 64.999000 * Date/Time: 1995-05-07T23:50:00 * Campaign: M32/3 * Basis: Meteor (1986) * Method/Device: CTD/Rosette (CTD-RO)
M32/3_238 * Latitude: 20.000000 * Longitude: 65.000000 * Date/Time: 1995-05-07T07:00:00 * Campaign: M32/3 * Basis: Meteor (1986) * Method/Device: CTD/Rosette (CTD-RO)
M32/3_239 * Latitude: 19.000000 * Longitude: 65.000000 * Date/Time: 1995-05-08T15:00:00 * Campaign: M32/3 * Basis: Meteor (1986) * Method/Device: CTD/Rosette (CTD-RO)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
20 datasets

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Datasets listed in this publication series

  1. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_237. https://doi.org/10.1594/PANGAEA.696200
  2. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_238. https://doi.org/10.1594/PANGAEA.696201
  3. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_239. https://doi.org/10.1594/PANGAEA.696202
  4. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_240. https://doi.org/10.1594/PANGAEA.696203
  5. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_241. https://doi.org/10.1594/PANGAEA.696204
  6. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_244. https://doi.org/10.1594/PANGAEA.696205
  7. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_253. https://doi.org/10.1594/PANGAEA.696206
  8. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_254. https://doi.org/10.1594/PANGAEA.696207
  9. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_255. https://doi.org/10.1594/PANGAEA.696208
  10. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_256. https://doi.org/10.1594/PANGAEA.696209
  11. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_258. https://doi.org/10.1594/PANGAEA.696210
  12. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_260. https://doi.org/10.1594/PANGAEA.696211
  13. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_264. https://doi.org/10.1594/PANGAEA.696212
  14. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_266. https://doi.org/10.1594/PANGAEA.696213
  15. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_267. https://doi.org/10.1594/PANGAEA.696214
  16. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_269. https://doi.org/10.1594/PANGAEA.696215
  17. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_270. https://doi.org/10.1594/PANGAEA.696216
  18. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_271. https://doi.org/10.1594/PANGAEA.696217
  19. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_272. https://doi.org/10.1594/PANGAEA.696218
  20. Kähler, P (2008): Organic carbon and nitrogen concentrations in waters of the Arabian Sea at Station M32/3_276. https://doi.org/10.1594/PANGAEA.696219