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  • 81.
    Arneborg, Lars
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Höglund, Anders
    SMHI, Forskningsavdelningen, Oceanografi.
    Axell, Lars
    SMHI, Forskningsavdelningen, Oceanografi.
    Lensu, Mikko
    Ljungman, Olof
    Mattsson, Johan
    Oil drift modeling in pack ice - Sensitivity to oil-in-ice parameters2017Inngår i: Ocean Engineering, ISSN 0029-8018, E-ISSN 1873-5258, Vol. 144, s. 340-350Artikkel i tidsskrift (Fagfellevurdert)
  • 82.
    Eilola, Kari
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Lindqvist, Stina
    Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden.
    Almroth-Rosell, Elin
    SMHI, Forskningsavdelningen, Oceanografi.
    Edman, Moa
    SMHI, Forskningsavdelningen, Oceanografi.
    Wåhlstrom, Irene
    SMHI, Forskningsavdelningen, Oceanografi.
    Bartoli, Marco
    Klaipeda University, Lithuania.
    Burska, Dorota
    Institute of Oceanography, University of Gdansk, Poland.
    Carstensen, Jacob
    Aarhus University, Denmark.
    Hellemann, Dana
    Department of Environmental Sciences, University of Helsinki, Helsinki, Finland.
    Hietanen, Susanna
    Department of Environmental Sciences, University of Helsinki, Helsinki, Finland.
    Hulth, Stefan
    Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden.
    Janas, Urszula
    Institute of Oceanography, University of Gdansk, Poland.
    Kendzierska, Halina
    Institute of Oceanography, University of Gdansk, Poland.
    Pryputniewicz-Flis, Dorota
    Institute of Oceanography, University of Gdansk, Poland.
    Voss, Maren
    Leibniz Institute for Baltic Sea Research Warnemünde, Germany.
    Zilius, Mindaugas
    Klaipeda University, Lithuania.
    Linking process rates with modellingdata and ecosystem characteristics2017Rapport (Fagfellevurdert)
    Abstract [en]

    This report is related to the BONUS project “Nutrient Cocktails in COAstal zones of the Baltic Sea” alias COCOA. The aim of BONUS COCOA is to investigate physical, biogeochemical and biological processes in a combined and coordinated fashion to improve the understanding of the interaction of these processes on the removal of nutrients along the land-sea interface. The report is especially related to BONUS COCOA WP 6 in which the main objective is extrapolation of results from the BONUS COCOA learning sites to coastal sites around the Baltic Sea in general. Specific objectives of this deliverable (D6.4) were to connect observed process rates with modelling data and ecosystem characteristics.

    In the report we made statistical analyses of observations from BONUS COCOA study sites together with results from the Swedish Coastal zone Model (SCM). Eight structural variables (water depth, temperature, salinity, bottom water concentrations of oxygen, ammonium, nitrate and phosphate, as well as nitrogen content in sediment) were found common to both the experimentally determined and the model data sets. The observed process rate evaluated in this report was denitrification. In addition regressions were tested between observed denitrification rates and several structural variables (latitude, longitude, depth, light, temperature, salinity, grain class, porosity, loss of ignition, sediment organic carbon, total nitrogen content in the sediment,  sediment carbon/nitrogen-ratio, sediment chlorphyll-a as well as bottom water concentrations of oxygen, ammonium, nitrate, and dissolved inorganic  phosphorus and silicate) for pooled data from all learning sites.

    The statistical results showed that experimentally determined multivariate data set from the shallow, illuminated stations was mainly found to be similar to the multivariate data set produced by the SCM model. Generally, no strong correlations of simple relations between observed denitrification and available structural variables were found for data collected from all the learning sites. We found some non-significant correlation between denitrification rates and bottom water dissolved inorganic phosphorous and dissolved silica but the reason behind the correlations is not clear.

    We also developed and evaluated a theory to relate process rates to monitoring data and nutrient retention. The theoretical analysis included nutrient retention due to denitrification as well as burial of phosphorus and nitrogen. The theory of nutrient retention showed good correlations with model results. It was found that area-specific nitrogen and phosphorus retention capacity in a sub-basin depend much on mean water depth, water residence time, basin area and the mean nutrient concentrations in the active sediment layer and in the water column.

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  • 83.
    Hieronymus, Magnus
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Hieronymus, Jenny
    SMHI, Forskningsavdelningen, Oceanografi.
    Arneborg, Lars
    SMHI, Forskningsavdelningen, Oceanografi.
    Sea level modelling in the Baltic and the North Sea: The respective role of different parts of the forcing2017Inngår i: Ocean Modelling, ISSN 1463-5003, E-ISSN 1463-5011, Vol. 118, s. 59-72Artikkel i tidsskrift (Fagfellevurdert)
  • 84. Bjork, Goran
    et al.
    Nordberg, Kjell
    Arneborg, Lars
    SMHI, Forskningsavdelningen, Oceanografi.
    Bornmalm, Lennart
    Harland, Rex
    Robijn, Ardo
    Odalen, Malin
    Seasonal oxygen depletion in a shallow sill fjord on the Swedish west coast2017Inngår i: Journal of Marine Systems, ISSN 0924-7963, E-ISSN 1879-1573, Vol. 175, s. 1-14Artikkel i tidsskrift (Fagfellevurdert)
  • 85.
    Saraiva, Sofia
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Fernandes, L.
    van der Meer, J.
    Neves, R.
    Kooijman, S. A. L. M.
    The role of bivalves in the Balgzand: First steps on an integrated modelling approach2017Inngår i: Ecological Modelling, ISSN 0304-3800, E-ISSN 1872-7026, Vol. 359, s. 34-48Artikkel i tidsskrift (Fagfellevurdert)
  • 86. Ikauniece, Anda
    et al.
    Meier, Markus
    SMHI, Forskningsavdelningen, Oceanografi.
    Kalnina, Laimdota
    Introduction for the SI "Understanding the Baltic Sea"2017Inngår i: Estuarine, Coastal and Shelf Science, ISSN 0272-7714, E-ISSN 1096-0015, Vol. 195, s. 1-3Artikkel i tidsskrift (Fagfellevurdert)
  • 87.
    Pemberton, Per
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Löptien, Ulrike
    SMHI, Forskningsavdelningen, Oceanografi.
    Hordoir, Robinson
    SMHI, Forskningsavdelningen, Oceanografi.
    Höglund, Anders
    SMHI, Forskningsavdelningen, Oceanografi.
    Schimanke, Semjon
    SMHI, Forskningsavdelningen, Oceanografi.
    Axell, Lars
    SMHI, Forskningsavdelningen, Oceanografi.
    Haapala, Jari
    Sea-ice evaluation of NEMO-Nordic 1.0: a NEMO-LIM3.6-based ocean-sea-ice model setup for the North Sea and Baltic Sea2017Inngår i: Geoscientific Model Development, ISSN 1991-959X, E-ISSN 1991-9603, Vol. 10, nr 8, s. 3105-3123Artikkel i tidsskrift (Fagfellevurdert)
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  • 88. Hall, Per O. J.
    et al.
    Almroth-Rosell, Elin
    SMHI, Forskningsavdelningen, Oceanografi.
    Bonaglia, Stefano
    Dale, Andrew W.
    Hylén, Astrid
    Kononets, Mikhail
    Nilsson, Madeleine
    Sommer, Stefan
    van de Velde, Sebastiaan
    Viktorsson, Lena
    SMHI, Samhälle och säkerhet.
    Influence of Natural Oxygenation of Baltic Proper Deep Water on Benthic Recycling and Removal of Phosphorus, Nitrogen, Silicon and Carbon2017Inngår i: Frontiers in Marine Science, ISSN 2296-7745, Vol. 4, nr 27Artikkel i tidsskrift (Fagfellevurdert)
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  • 89. Sommer, Stefan
    et al.
    Clemens, David
    Yücel, Mustafa
    Pfannkuche, Olaf
    Hall, Per O. J.
    Almroth-Rosell, Elin
    SMHI, Forskningsavdelningen, Oceanografi.
    Schulz-Vogt, Heide N.
    Dale, Andrew W .
    Major Bottom Water Ventilation Events Do Not Significantly Reduce Basin-Wide Benthic N and P Release in the Eastern Gotland Basin (Baltic Sea)2017Inngår i: Frontiers in Marine Science, ISSN 2296-7745, Vol. 4, nr 18, s. 77-92Artikkel i tidsskrift (Fagfellevurdert)
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  • 90. Zhang, Daoxi
    et al.
    Lavender, Samantha
    Muller, Jan-Peter
    Walton, David
    Karlson, Bengt
    SMHI, Forskningsavdelningen, Oceanografi.
    Kronsell, Johan
    SMHI, Samhälle och säkerhet.
    Determination of phytoplankton abundances (Chlorophyll-a) in the optically complex inland water - The Baltic Sea2017Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 601, s. 1060-1074Artikkel i tidsskrift (Fagfellevurdert)
  • 91. Paetsch, Johannes
    et al.
    Burchard, Hans
    Dieterich, Christian
    SMHI, Forskningsavdelningen, Oceanografi.
    Graewe, Ulf
    Gröger, Matthias
    SMHI, Forskningsavdelningen, Oceanografi.
    Mathis, Moritz
    Kapitza, Hartmut
    Bersch, Manfred
    Moll, Andreas
    Pohlmann, Thomas
    Su, Jian
    Ho-Hagemann, Ha T. M.
    Schulz, Achim
    Elizalde, Alberto
    Eden, Carsten
    An evaluation of the North Sea circulation in global and regional models relevant for ecosystem simulations2017Inngår i: Ocean Modelling, ISSN 1463-5003, E-ISSN 1463-5011, Vol. 116, s. 70-95Artikkel i tidsskrift (Fagfellevurdert)
  • 92.
    Meier, Markus
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Höglund, Anders
    SMHI, Forskningsavdelningen, Oceanografi.
    Eilola, Kari
    SMHI, Forskningsavdelningen, Oceanografi.
    Almroth-Rosell, Elin
    SMHI, Forskningsavdelningen, Oceanografi.
    Impact of accelerated future global mean sea level rise on hypoxia in the Baltic Sea2017Inngår i: Climate Dynamics, ISSN 0930-7575, E-ISSN 1432-0894, Vol. 49, nr 1-2, s. 163-172Artikkel i tidsskrift (Fagfellevurdert)
  • 93.
    Arneborg, Lars
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Jansson, Par
    Staalstrom, Andre
    Broström, Göran
    Tidal Energy Loss, Internal Tide Radiation, and Local Dissipation for Two-Layer Tidal Flow over a Sill2017Inngår i: Journal of Physical Oceanography, ISSN 0022-3670, E-ISSN 1520-0485, Vol. 47, nr 7, s. 1521-1538Artikkel i tidsskrift (Fagfellevurdert)
  • 94.
    Höglund, Anders
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Pemberton, Per
    SMHI, Forskningsavdelningen, Oceanografi.
    Hordoir, Robinson
    SMHI, Forskningsavdelningen, Oceanografi.
    Schimanke, Semjon
    SMHI, Forskningsavdelningen, Oceanografi.
    Ice conditions for maritime traffic in the Baltic Sea in future climate2017Inngår i: Boreal environment research, ISSN 1239-6095, E-ISSN 1797-2469, Vol. 22, s. 245-265Artikkel i tidsskrift (Fagfellevurdert)
  • 95.
    Wesslander, Karin
    et al.
    SMHI, Samhälle och säkerhet.
    Andersson, Lars
    SMHI, Samhälle och säkerhet.
    Axe, Philip
    SMHI, Forskningsavdelningen, Oceanografi.
    Johansson, Johannes
    SMHI, Samhälle och säkerhet.
    Linders, Johanna
    SMHI, Samhälle och säkerhet.
    Nexelius, Nils
    SMHI, Samhälle och säkerhet.
    Skjevik, Ann-Turi
    SMHI, Samhälle och säkerhet.
    Swedish National Report on Eutrophication Status in the Skagerrak, Kattegat and the Sound - OSPAR ASSESSMENT 20162017Rapport (Annet vitenskapelig)
    Abstract [en]

    The Swedish OSPAR waters were assessed by applying the OSPAR Common Procedure for the time period 2006 – 2014. The Swedish parts of Skagerrak, Kattegat and the Sound constitute the outer part of the transition zone between the estuarine Baltic Sea and the oceanic North Sea and were investigated for nutrients, chlorophyll-a,oxygen, macrophytes, phytoplankton and zoobenthos. The conclusion from the overall assessment of the Swedish OSPAR waters was that only Skagerrak open sea could be classified as a Non-Problem Area and all other assessment units were classified as Problem Areas.  Atmospheric input of nitrogen significantly decreased in both Skagerrak and Kattegat and the land based input of total nutrients also decreased in Skagerrak, Kattegat as well as the Sound. However, the short-term trend of nitrogen input to the Sound was positive. Skagerrak is governed by trans-boundary transports from the North Sea of mainly nitrogen but also phosphorus. Kattegat receives trans-boundary nutrients from both the Baltic Sea through the Sound and from Skagerrak and transports nutrients towards the coast and the western part of the basin.  Overall, concentrations of DIN, DIP, TN and chlorophyll-a decreased in most areas, however, no significant trends were found for DIP. Increasing concentrations were found in silicate, POC and TP. The Secchi depth increased in most areas. Oxygen deficiency was mainly a problem in the fjords and the Kattegat open sea.  In Skagerrak coastal waters winter nutrients were only elevated in the fjords. Concentrations of DIN generally decreased significantly and there were tendencies of decreasing DIP. This pattern was also supported by the total nitrogen while total phosphorus increased. Secchi depth was improving and there was a significant positive trend of increasing depths. However, zoobenthos were still in bad condition and phytoplankton indicator species were often elevated. Chlorophyll-a concentrations were generally decreasing but still elevated in the inner coastal waters. There were also problems with algal toxins such as DST (Diarrhetic Shellfish Toxin) and PST (Paralystic Shellfish Toxin) infections in the area. According to the OSPAR classification scheme, a unit with no evident increased nutrient enrichment can be classified as a Problem Area but the cause might be due to trans-boundary transport from adjacent areas. In the open area of Kattegat there were still problems with oxygen deficiency, especially in the southern parts, even though the trend was significantly positive for the assessment period 2006 – 2014. Concentrations of chlorophyll-a and DIN decreased significantly, however, DIN levels were still generally elevated, especially in the southern parts of Kattegat while DIP was closer to the assessment level. In Kattegat coastal waters winter nutrients were elevated in all assessment units, except from the inner coastal waters, even though there was a general pattern of decreasing going trends. Chlorophyll-a was mainly elevated in the Sound and the estuaries. Secchi depth is generally improving and a significant increase was seen in the Sound. Also in Kattegat, zoobenthos were in bad condition and phytoplankton indicator species were often elevated. 

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  • 96.
    Liu, Ye
    et al.
    SMHI, Forskningsavdelningen, Oceanografi.
    Meier, Markus
    SMHI, Forskningsavdelningen, Oceanografi.
    Eilola, Kari
    SMHI, Forskningsavdelningen, Oceanografi.
    Nutrient transports in the Baltic Sea - results from a 30-year physical-biogeochemical reanalysis2017Inngår i: Biogeosciences, ISSN 1726-4170, E-ISSN 1726-4189, Vol. 14, nr 8, s. 2113-2131Artikkel i tidsskrift (Fagfellevurdert)
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  • 97. Berdalet, Elisa
    et al.
    Kudela, Raphael
    Urban, Ed
    Enevoldsen, Henrik
    Banas, Neil S.
    Bresnan, Eileen
    Burford, Michele
    Davidson, Keith
    Gobler, Christopher J.
    Karlson, Bengt
    SMHI, Forskningsavdelningen, Oceanografi.
    Lim, Po Teen
    Mackenzie, Lincoln
    Montresor, Marina
    Trainer, Vera L.
    Usup, Gires
    Yin, Kedong
    GlobalHAB A New Program to Promote International Research, Observations, and Modeling of Harmful Algal Blooms in Aquatic Systems2017Inngår i: Oceanography, ISSN 1042-8275, Vol. 30, nr 1, s. 70-81Artikkel i tidsskrift (Fagfellevurdert)
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  • 98. Bal, Sourabh
    et al.
    Schimanke, Semjon
    SMHI, Forskningsavdelningen, Oceanografi.
    Spangehl, Thomas
    Cubasch, Ulrich
    Variable influence on the equatorial troposphere associated with SSW using ERA-Interim2017Inngår i: Proceedings of the Indian Academy of Sciences, Earth and Planetary Sciences, ISSN 0253-4126, E-ISSN 0973-774X, Vol. 126, nr 2, artikkel-id UNSP 19Artikkel i tidsskrift (Fagfellevurdert)
  • 99. von Schuckmann, Karina
    et al.
    Le Traon, Pierre-Yves
    Alvarez-Fanjul, Enrique
    Axell, Lars
    SMHI, Forskningsavdelningen, Oceanografi.
    Balmaseda, Magdalena
    Breivik, Lars-Anders
    Brewin, Robert J. W.
    Bricaud, Clement
    Drevillon, Marie
    Drillet, Yann
    Dubois, Clotilde
    Embury, Owen
    Etienne, Hélène
    Sotillo, Marcos García
    Garric, Gilles
    Gasparin, Florent
    Gutknecht, Elodie
    Guinehut, Stéphanie
    Hernandez, Fabrice
    Juza,, Melanie
    Karlson, Bengt
    SMHI, Forskningsavdelningen, Oceanografi.
    Korres, Gerasimos
    Legeais, Jean-François
    Levier, Bruno
    Lien, Vidar S.
    Morrow, Rosemary
    Notarstefano, Giulio
    Parent, Laurent
    Pascual, Álvaro
    PérezGómez, Begoña
    Perruche, Coralie
    Pinardi, Nadia
    Pisano, Andrea
    Poulain, Pierre-Marie
    Pujol, Isabelle M.
    Raj, Roshin P.
    Raudsepp, Urmas
    Roquet, Hervé
    Samuelsen, Annette
    Sathyendranath, Shubha
    She, Jun
    Simoncelli, Simona
    Cosimo, Solidoro
    Tinker, Jonathan
    Tintoré, Joaquín
    Viktorsson, Lena
    SMHI, Samhälle och säkerhet.
    Ablain, Michael
    Almroth-Rosell, Elin
    SMHI, Forskningsavdelningen, Oceanografi.
    Bonaduce, Antonio
    Clementi, Emanuela
    Cossarini, Gianpiero
    Dagneaux, Quentin
    Desportes, Charles
    Dye, Stephen
    Fratianni, Claudia
    Good, Simon
    Greiner, Eric
    Gourrion, Jerome
    Hamon, Mathieu
    Holt, Jason
    Hyder, Pat
    Kennedy, John
    ManzanoMuñoz, Fernando
    Melet, Angélique
    Meyssignac, Benoit
    Mulet, Sandrine
    Buongiorno Nardelli, Bruno
    O´Dea, Enda
    Olason, Einar
    Paulmier, Aurélien
    Pérez-González, Irene
    Reid, Rebecca
    Racault, Marie-Fanny
    Raitsos, Dionysios E.
    Ramos,, Antonio
    Sykes, Peter
    Szekely, Tanguy
    Verbrugge, Nathalie
    The Copernicus Marine Environment Monitoring Service Ocean State Report2017Inngår i: Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology, ISSN 1755-876X, E-ISSN 1755-8778, Vol. 9, nr Sup.2, s. 235-320Artikkel i tidsskrift (Fagfellevurdert)
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  • 100. Paczkowska, J.
    et al.
    Rowe, Of
    Schluster, L.
    Legrand, C.
    Karlson, Bengt
    SMHI, Forskningsavdelningen, Oceanografi.
    Andersson, A.
    Allochthonous matter: an important factor shaping the phytoplankton community in the Baltic Sea2017Inngår i: Journal of Plankton Research, ISSN 0142-7873, E-ISSN 1464-3774, Vol. 39, nr 1, s. 23-34Artikkel i tidsskrift (Fagfellevurdert)
2345678 81 - 100 of 398
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