Siebers, D; Hickel, Wolfgang (1999): Hydrochemistry and phytoplankton abundance at time series station Helgoland Roads, North Sea, in 1988 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.55847, In: Wiltshire, Karen Helen; Carstens, Kristine; Ecker, Ursula; Kirstein, Inga V (2024): Hydrochemistry at time series station Helgoland Roads, North Sea since 1873 [dataset publication series]. Alfred Wegener Institute - Biological Institute Helgoland, PANGAEA, https://doi.org/10.1594/PANGAEA.960375
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
Project(s):
Helgoland Roads Timeseries (HelgolandRoads)
Macrobenthic long-term series in the German Bight (LTER_Benthos)
Silicon Cycling in the World Ocean (SINOPS)
Funding:
Coverage:
Latitude: 54.188330 * Longitude: 7.900000
Date/Time Start: 1988-01-04T08:05:00 * Date/Time End: 1988-12-30T08:05:00
Minimum Elevation: -10.0 m * Maximum Elevation: -10.0 m
Event(s):
HelgolandRoads1988 (Kabeltonne) * Latitude: 54.188330 * Longitude: 7.900000 * Date/Time Start: 1988-01-01T00:00:00 * Date/Time End: 1988-12-31T23:59:00 * Elevation: -10.0 m * DEIMS ID: deims.org * O2A Registry URI: sensor.awi.de * Location: German Bight, North Sea * Campaign: LTER_HelgolandRoads (Kabeltonne, Long-term Ecological Research Helgoland Roads) * Basis: Marine Station Helgoland * Method/Device: Monitoring (MON)
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | DATE/TIME | Date/Time | Geocode | |||
2 | Temperature, water | Temp | °C | Hickel, Wolfgang | Mercury thermometer, in situ | |
3 | Salinity | Sal | Hickel, Wolfgang | Salinometer, inductive | ||
4 | Depth of Secchi Disk | z(SD) | m | Hickel, Wolfgang | Secchi disc | |
5 | Nitrate | [NO3]- | µmol/l | Hickel, Wolfgang | Reduction by copper coated cadmium granulate | |
6 | Nitrite | [NO2]- | µmol/l | Hickel, Wolfgang | Photometer, azo-dye (Bendschneider & Robinson, 1952, J Mar Res, 11:87-96) | |
7 | Ammonium | [NH4]+ | µmol/l | Hickel, Wolfgang | Photometer, DTT, modified (Grasshoff et al., 1983, Verlag Chemie GmbH Weinheim) | |
8 | Nitrogen, inorganic, dissolved | DIN | µmol/l | Hickel, Wolfgang | Calculated (sum of Nitrate, Nitrite, Ammonium) | |
9 | Phosphate | [PO4]3- | µmol/l | Hickel, Wolfgang | Photometer, molybdene blue, reduct ascorbic acid (Grasshoff, 1979, Chemie GmbH) | |
10 | Silicate | Si(OH)4 | µmol/l | Hickel, Wolfgang | Photometer, beta-silicomolybdic acid, modified (Carlberg, 1972, ICES Res Rep 29) | |
11 | Phytoplankton | Phytopl | #/l | Hickel, Wolfgang | Quantitative phytoplankton method (Utermöhl, 1958) | |
12 | Diatoms | Diatoms | #/l | Hickel, Wolfgang | Quantitative phytoplankton method (Utermöhl, 1958) | |
13 | Flagellates | Flag | #/l | Hickel, Wolfgang | Quantitative phytoplankton method (Utermöhl, 1958) | |
14 | Phytoplankton, biomass as carbon | Phytopl C | µg/l | Hickel, Wolfgang | Quantitative phytoplankton method (Utermöhl, 1958) | |
15 | Diatoms, biomass as carbon | Diatom C | µg/l | Hickel, Wolfgang | Quantitative phytoplankton method (Utermöhl, 1958) | |
16 | Flagellates, biomass as carbon | Flagellate C | µg/l | Hickel, Wolfgang | Quantitative phytoplankton method (Utermöhl, 1958) | |
17 | Analyst | Analyst | Hickel, Wolfgang |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3904 data points
Download Data
View dataset as HTML (shows only first 2000 rows)