Kremling, Klaus; Petersen, Hauke (1981): Hydrography and water chemistry of the open Mediterranean Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.604843, Supplement to: Kremling, K; Petersen, H (1981): The distribution of zinc, cadmium, copper, manganese and iron in waters of the open Mediterranean Sea. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe A/B Allgemeines, Physik und Chemie des Meeres, Gebrüder Bornträger, Berlin, Stuttgart, A/B23, 5-14
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On a cruise from the eastern into western Mediterranean Sea in November/December 1978 a total of 126 samples were collected from 8 vertical profiles and 7 coastal stations for trace metal analysis. The sampling, processing and analysis was performed under strict "clean room" conditions. The concentration of the open-sea samples are close to oceanic results gathered under similar conditions. The grand averages from all profiles (± st. dev. of the individual samples) of 0.40 ± 0.16 µg/l Zn, 17.4 ± 7.4 ng/l Cd, 0.21 ± 0.07 µg/l Cu, 0.21 ± 0.13 µg/l Mn and 0.25 ± 0.09 µg/l Fe indicate that a "metal problem" does not exist in the open Mediterranean.
A biologically mediated deplition in surface waters or correlation with nutrients have not been observed under the conditions established on this cruise. This is probably due top low primary production and seasonal advection processes prevailing in this sea.
The data for manganese show generally higher values in the surface layer (0-75 m) than in deep waters. This could evidently proved in the nearshore profile indicating a terrigenous source for manganese.
Median Latitude: 36.250291 * Median Longitude: 18.271624 * South-bound Latitude: 31.025000 * West-bound Longitude: 4.576667 * North-bound Latitude: 41.395000 * East-bound Longitude: 32.163333
Date/Time Start: 1978-11-13T00:00:00 * Date/Time End: 1978-11-13T00:00:00
M50_390 * Latitude: 31.905000 * Longitude: 31.325000 * Date/Time: 1978-11-13T00:00:00 * Location: Mediterranean Sea * Campaign: M50 * Basis: Meteor (1964) * Device: Water sample (WS)
M50_395 * Latitude: 31.913333 * Longitude: 32.163333 * Date/Time: 1978-11-13T00:00:00 * Location: Mediterranean Sea * Campaign: M50 * Basis: Meteor (1964) * Device: Water sample (WS)