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Aurich, H; Kayser, Hermann (1999): Hydrochemistry and phytoplankton abundance at time series station Helgoland Roads, North Sea, in 1968. PANGAEA,

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Related to:
BAH (1968): Jahresbericht 1968. Bericht als Teil des Jahresberichtes 1968, Forschung im Geschäftsbereich des Bundesministers für Ernährung, Landwirtschaft und Forsten, Biologische Anstalt Helgoland, 84 pp
Fourth Framework Programme (FP4), grant/award no. MAS3970141: Silicon Cycling in the World Ocean
Latitude: 54.188330 * Longitude: 7.900000
Date/Time Start: 1968-01-02T09:00:00 * Date/Time End: 1968-12-31T09:00:00
Minimum Elevation: -10.0 m * Maximum Elevation: -10.0 m
HelgolandRoads1968 * Latitude: 54.188330 * Longitude: 7.900000 * Date/Time Start: 1968-01-01T00:00:00 * Date/Time End: 1968-12-31T23:59:00 * Elevation: -10.0 m * Location: German Bight, North Sea * Campaign: HelgolandRoadsTimeseries * Basis: Meeresstation Helgoland * Method/Device: Monitoring (MON)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
2Temperature, waterTemp°CKayser, HermannMercury thermometer, in situ
3SalinitySalKayser, HermannSalinometer, inductive
4Depth of Secchi Diskz(SD)mKayser, HermannSecchi disc
5Nitrate[NO3]-µmol/lKayser, HermannReduction by copper coated cadmium granulate
6Nitrite[NO2]-µmol/lKayser, HermannPhotometer, azo-dye (Bendschneider & Robinson, 1952, J Mar Res, 11:87-96)
7Ammonium[NH4]+µmol/lKayser, HermannBordeaux red, improved by Gillbricht, 1961
8Nitrogen, inorganic, dissolvedDINµmol/lKayser, HermannCalculated (sum of Nitrate, Nitrite, Ammonium)
9Phosphate[PO4]3-µmol/lKayser, HermannPhotometer, molybdene blue, reduct SnCl
10SilicateSi(OH)4µmol/lKayser, HermannPhotometer, beta-silicomolybdic acid
11PhytoplanktonPhytopl#/lAurich, HQuantitative phytoplankton method (Utermöhl, 1958)
12DiatomsDiatoms#/lAurich, HQuantitative phytoplankton method (Utermöhl, 1958)
13FlagellatesFlag#/lAurich, HQuantitative phytoplankton method (Utermöhl, 1958)
14Phytoplankton, biomass as carbonPhytopl Cµg/lAurich, HQuantitative phytoplankton method (Utermöhl, 1958)
15Diatoms, biomass as carbonDiatom Cµg/lAurich, HQuantitative phytoplankton method (Utermöhl, 1958)
16Flagellates, biomass as carbonFlagellate Cµg/lAurich, HQuantitative phytoplankton method (Utermöhl, 1958)
17AnalystAnalystAurich, H
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