Ergebnisse eines hydrographisch-produktionsbiologischen Längsschnittes durch die Ostsee im Sommer 1956, III : die Verteilung des Gesamtphosphors.

Krey, Johannes (1957) Ergebnisse eines hydrographisch-produktionsbiologischen Längsschnittes durch die Ostsee im Sommer 1956, III : die Verteilung des Gesamtphosphors. Open Access Kieler Meeresforschungen, 13 . pp. 202-211.

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Abstract

With a view to studying the distribution of total phosphorus in the Baltic 240 sea water samples were taken in August 1956 along a section from Helsinki to Kiel and analysed for their content of total P by the method of KALLE. The distribution of total P allows a separation of deep water, rich in P (maximum 131 mg/m3) reaching up to the lower 2°-thermocline, an intermediate water layer from 60-30 m with partly extrem low figures of P down to o and a surface layer, reaching to the upper thermocline with figures up to 43 mg/m3. This general state is superposcd by a heterogenity, caused mainly by biological effects. The low figures in the intermediate layer are closely accompanied by very low temperatures and a high content of Oxygen. This minimum in total P is probably caused by the vernal plankton bloom, followed by the hydrographically caused isolation from the trophogeneous zone and consequential sedimentation
of particulate P into the decp water, where total mineralisation takes place.

Document Type: Article
Additional Information: Printausgabe in Bibliothek vorhanden - print edition available
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-BI Biological Oceanography
Refereed: No
Open Access Journal?: Yes
Publisher: Institut für Meereskunde
Date Deposited: 18 Feb 2022 12:13
Last Modified: 18 Feb 2022 12:13
URI: https://oceanrep.geomar.de/id/eprint/55299

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