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Invasive species in the Baltic Sea A model study of plankton transport
SMHI, Research Department, Oceanography.ORCID iD: 0000-0002-0139-9485
2016 (English)Report (Other academic)
Abstract [en]

In this report, an ensemble of releases of passive particles at locations close to some

selected ports around the Baltic Sea and Kattegat are modelled. The particles are

transported with the currents. Maps of particle densities at 2, 4, 8, 16, 32 and 52

weeks after the release are presented.

The results indicate that many basins are narrow enough for the particles to cross

from shore to shore within two weeks, e.g., in the Kattegat, Gulf of Finland and

Kvarken. The results also show an asymmetry in the transport between different

locations, which means that particles released from one location to another require

substantially more time to reach the other location, if at all, than particles going

in the opposite direction. Some potential barriers to transport are identified and


Abstract [sv]

I den här rapporten modelleras ensembler av utsläpp av passiva partiklar från lokaler

nära några utvalda hamnar runt Östersjön och Kattegatt. Partiklarna transporteras

av strömmen. Kartor över partikeldensitet efter 2, 4, 8, 16, 32 och 52 veckor presenteras.

Resultaten visar att många bassänger är tillräckligt smala för att partiklar ska

transporteras från ena sidan till den andra på mindre än två veckor, exempelvis

Kattegatt, Finska viken och Kvarken. Resultaten uppvisar också en asymmetri i

transporten mellan olika lokaler, vilket innebär att partiklar utsläppta vid en lokal

kräver betydligt mer tid att nå en viss annan lokal, om den nås alls, än vad partiklar

som går i motsatt riktning kräver. Några möjliga barriärer för transport identifieras

och diskuteras.

Place, publisher, year, edition, pages
2016. , 80 p.
Oceanography, ISSN 0283-7714 ; 122
National Category
Oceanography, Hydrology, Water Resources
Research subject
URN: urn:nbn:se:smhi:diva-3250OAI: diva2:974943
Available from: 2016-09-28 Created: 2016-09-28 Last updated: 2016-09-28Bibliographically approved

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