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Hydrographic Conditions Around Offshore Banks
SMHI, Research Department, Oceanography.
SMHI, Core Services.
2005 (English)Report (Other academic)
Abstract [en]

This report details the results of an investigation into hydrographic and hydrochemical conditions over ten offshore banks around the coast of south Sweden. Four of these banks are situated in the Kattegat. The remainder lie in the southern and western Baltic Proper. The investigation included field sampling, where each bank was visited on one occasion, and the temperature and salinity structure mapped while the concentrations of nutrients were measured. These data were analysed, and results compared and complemented with predictions from operational numerical models (for currents and waves). The banks are areas with strong horizontal gradients in temperature and salinity. They influence the large scale circulation, steering mean currents through the deeper water, resulting in the mean currents over the banks being weak. The influence of short term wind events are significant however, with intense, short-lived currents occurring over the banks. Nutrient concentrations in the waters above the banks were very similar to those in the adjacent basins. Immediately over the bottom however, silicate concentrations were often higher than at similar depths away from the banks. Similarly, oxygen saturation immediately above the bottom was frequently lower than in mid-water at the same depth. In the Kattegat, large areas are at risk from seasonal oxygen deficiency. The shallow nature of the banks however often means that they escape the worst impacts.

Place, publisher, year, edition, pages
SMHI , 2005. , 81 p.
Series
RO, Report Oceanography, ISSN 0283-1112 ; 33
Keyword [en]
Hydrography, Kattegat, Fladen, Lilla Middelgrund, Stora Middelgrund, Röde Bank, Baltic Proper, Kriegers Flak, Södra Midsjöbanken, Norra Midsjöbanken, Hoburgs Bank, Knolls Grund, Ölands Södra Grund.
Keyword [sv]
Hydrografi, Kattegat, Fladen, Lilla Middelgrund, Stora Middelgrund, Röde Bank, Baltic Proper, Kriegers Flak, Södra Midsjöbanken, Norra Midsjöbanken, Hoburgs Bank, Knolls Grund, Ölands Södra Grund.
Identifiers
URN: urn:nbn:se:smhi:diva-2799Local ID: Oceanografi, Rapporter, Serie ROOAI: oai:DiVA.org:smhi-2799DiVA: diva2:948095
Available from: 2005-11-04 Created: 2016-07-08 Last updated: 2016-07-08Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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More styles
Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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