Personal publications
PAPERS IN INTERNATIONAL PEER-REVIEWED JOURNALS
Collins L.G., C.S. Allen, J. Pike, D.A. Hodgson, K. Weckström & G.
Massé. Evaluating highly branched isoprenoids (HBIs) as an Antarctic
sea-ice proxy in deep-water glacial sediments. To be submitted to Earth
and Planetary Science Letters.
Vaalgamaa, S., E. Sonninen, K. Weckström & A. Korhola. Identifying organic enrichment sources and trends in coastal sediments using nitrogen and carbon isotopic ratio records. Limnology & Oceanography. Submitted.
Ryves, D.B., P. Rasmussen, J.P. Lewis, D.R. Erbs-Hansen, K.. Knudsen, K.S. Petersen, M.-A. Sicre, A.L. Clarke, K.G.
Jensen, J. Olsen, K. Weckström & A. Fernane. North Atlantic drivers of coastal environmental change and cultural response during the Roman Warm Period: a high resolution, multiproxy study from Danish fjords. Geology. Submitted.
Mertens K.N., M. Bringué, N. Van Nieuwenhove, V. Pospelova, A. Rochon, A.de Vernal, T. Radi, B. Dale, R.T. Patterson, K.
Weckström, E. Andrén, S. Louwye & K. Matsuoka. Process length variation of Operculodinium centrocarpum in the North Pacific and calibration as annual density proxy. Journal of Quaternary Science. Conditionally accepted.
Andresen, C.S., F. Straneo, M.H. Ribergaard, A.A. Bjørk, T.J. Andersen, A. Kuijpers, N. Nørgaard-Pedersen, K.H. Kjær, K. Weckström & Andreas P. Ahlstrøm. Direct coupling between atmosphere, ocean and iceberg calving: A 120 year record from Helheim Glacier, Southeast Greenland, based on marine sedimentological evidence. Nature Geoscience doi:10.1038/ngeo1349
Tuovinen N., K. Weckström & V-P Salonen 2011. Impact of acid mine drainage on diatom communities of Lake Orijärvi and Määrjärvi (SW Finland). Boreal Environmental Research. In press.
Schmidt R., K. Weckström, S. Lauterbach, R. Tessadri & K. Huber 2011. North Atlantic climate impact on early late glacial climate oscillations in the southeastern Alps inferred from a multi-proxy lake sediment record. Journal of Quaternary Science. DOI: 10.1002/jqs.1505
Weckström K., P. Rasmussen, B. Vad Odgaard, T.J. Andersen, T. Virtanen & J. Olsen 2010. Recent changes in the nutrient status of a soft-water Lobelia lake, Hampen Sø, Denmark. Geological Survey of Denmark and Greenland Bulletin 20: 43-46.
Tuovinen N., K. Weckström & J. Virtasalo 2010. Assessment of recent eutrophication and climate influence in the Archipelago Sea based on the subfossil diatom record. Journal of Paleolimnology 44: 95-108.
Huber K., K. Weckström, R. Drescher-Schneider, J. Knoll, J. Schmidt & R. Schmidt 2010. Climate changes during the last glacial termination inferred from diatom-based temperatures and pollen in a sediment core from Längsee (Austria). Journal of Paleolimnology 43: 131-147.
Weckström K., J. Weckström, L.-M. Yliniemi & A. Korhola 2010. The ecology of Pediastrum (Chlorophyceae) in subarctic lakes and their potential as paleobioindicators. Journal of Paleolimnology 43:61-73.
Huber K., Kamenik, C., Weckström, K., Schmidt, R. 2009. Taxonomy, stratigraphy, and palaeoecology of chrysophyte cysts from a Late Glacial sediment core section of Längsee, Austria. Nova Hedwigia 89:245-261.
Turner B.L. & K. Weckström 2009. Phytate as a novel phosphorus-specific palaeo-indicator in aquatic sediments. Journal of Paleolimnology 42: 391–400.
Holmroos H., J. Niemistö, K. Weckström & J. Horppila 2009. Field experiment on the seasonal variation of resuspension-mediated aerobic release of phosphorus. Boreal Environmental Research 14: 937–946.
Schmidt R., M. Roth, R. Tessadri & K. Weckström 2008. Disentangling late-Holocene climate and land use impacts on an Austrian alpine lake using seasonal temperature anomalies, ice-cover, sedimentology, and pollen tracers. Journal of Paleolimnology 40:453–469.
Weckström K., A. Korhola & J. Weckström 2007. Impacts of eutrophication on diatom life forms and species richness in coastal waters of the Baltic Sea. Ambio 36: 155-160.
Ellegaard M., A.L. Clarke, N. Reuss, S. Drew, K. Weckström, N. J. Anderson & D.J. Conley 2006. Long-term changes in plankton community structure and geochemistry in Mariager Fjord, Denmark, linked to increased nutrient loading. Estuarine, Coastal and Shelf Science 68: 567-578.
Weckström K. 2006. Assessing recent eutrophication in coastal waters of the Gulf of Finland (Baltic Sea) using subfossil diatoms. Journal of Paleolimnology 35: 571-592.
Weckström K. & S. Juggins 2006. Coastal diatom-environment relationships from the Gulf of Finland, Baltic Sea. Journal of Phycology 42: 21-35.
Clarke A. L., K. Weckström, D.J. Conley, F. Adser, N.J. Anderson, E. Andrén, V.N. de Jonge, M. Ellegaard, S. Juggins, P. Kauppila, A. Korhola, N. Reuss, R.J. Telford & S. Vaalgamaa 2006. Monitoring long-term trends in eutrophication and nutrients in the coastal zone. Limnology & Oceanography 51: 385-397.
Kauppila P., K. Weckström, S. Vaalgamaa, H. Pitkänen, A. Korhola, N. Reuss & S. Drew 2005. Tracing pollution and recovery using sediments in an urban estuary, the northern Baltic Sea: Are we far from ecological reference conditions? Marine Ecology Progress Series 290: 35-53.
Kauppila P., H. Pitkänen, A. Korhola, K. Pellikka, S. Vaalgamaa & K. Weckström 2005. Assessing ecological status of an urban estuary in the northern Baltic Sea and its recovery from pollution. Verhandlungen des Internationalen Vereins für Limnologie 29: 221-225.
Weckström K., S. Juggins & A. Korhola 2004. Quantifying background nutrient concentrations in coastal waters: A case study from an urban embayment of the Baltic Sea. Ambio 33(6): 324-327
Weckström K., A. Korhola & P. Shemeikka 2002. Physical and chemical characteristics of shallow embayments on the southern coast of Finland. Hydrobiologia 477: 115-127
PUBLICATIONS IN PREPARATION FOR PEER-REVIEWED JOURNALS
Weckström K., G. Massé, M.A. Sicre, I. Bouloubassi, A. Kuijpers & M.-S. Seidenkrantz. Validation of the geochemical record of the sea ice proxy IP25 against instrumental data in the SW Labrador Sea. To be submitted to Organic Geochemistry.
Weckström K., A.L. Clarke, S. Juggins, R.J. Telford, E. Andrén &. S. Vilbaste. Diatom assemblages in coastal sediments from northwest Europe: analysis in a multi-gradient environment. To be submitted to Journal of Phycology.
BOOK CHAPTERS (PEER-REVIEWED)
Weckström K., J.P. Lewis, E. Andrén, M. Ellegaard, P. Rasmussen, D.B. Ryves & R. Telford 2011. Palaeoenvironmental history of the Baltic Sea - one of the largest brackish-water ecosystems in the world 2010. In: Gell, P., J. Tibby, K. Saunders & K. Weckström (eds.) Applications of paleoenvironmental techniques to estuarine systems. Developments in Paleoenvironmental Research, Springer, Berlin Heidelberg New York. Accepted.
Snoeijs P. & K. Weckström. Diatoms and environmental change in large brackish-water ecosystems 2010. In: Smol, J.P. & E.F. Stoermer (eds.) The Diatoms: Applications for the Environmental and Earth Sciences. 2nd ed. Cambridge University Press, Cambridge.
OTHER SCIENTIFIC PUBLICATIONS
Weckström J., K. Weckström, N. Tuovinen, R.-L. Albert & S. Korkonen (eds.) 2009. XIX Nordic diatomists´meeting 2009, Program and Abstracts. Publications of the Department of Quaternary Geology, University of Turku 86.
Schmidt R., R. Drescher-Schneider, K. Huber, K. Weckström 2009. Die Bedeutung des Längsees in Kärnten für die Rekonstruktion der Klima- und Seenentwicklung am Ende der letzten Eiszeit In: Schmidt R., C. Matulla, R. Psenner (Hg): Klimawandel in Österreich – Die letzten 20.000 Jahre... und ein Blick voraus. Alpine Space – Man & Environment, Vol. 6, Innsbruck University Press, Innsbruck, pp. 27-40 (ISBN 978-3-902571-89-2).
Andrén E., A. Clarke, R. Telford, S. Vilbaste, K. Weckström, J. Aigars, D. Conley, T. Johnsen, S. Juggins & A. Korhola 2007. Defining reference conditions for coastal areas in the Baltic Sea for the Water Framework Directive (DEFINE). TemaNord 583, Nordic Council of Ministers, Copenhagen.
Reuss N., M. Ellegaard, A.L. Clarke, D. Conley, K. Weckström 2007. Paleoøkologi som redskab for EU's vandrammedirektiv. Biologiske og kemiske indikatorer bevaret i sediment kan bruges som basis for fastsættelse af referencetilstande i kystvande. Dansk Kemi 88 (1): 27-29.
Weckström K. 2005. Defining the Baltic Sea au naturel. CSCnews 17(4): 14.
Weckström K. 2005. Recent eutrophication of coastal waters in southern Finland – a palaeolimnological assessment. PhD-thesis, University of Helsinki, Finland.
Weckström K., S. Vaalgamaa, J. Kangas & P. Shemeikka 2004. Uudenmaan merenlahtien rehevöitymishistoria paleolimnologisin menetelmin arvioituna: Pieni Pernajanlahti, Fasarbyviken, Varlaxviken, Nikuviken, ”Insjön” ja Sipoonlahti. Raportti Uudenmaan ympäristökeskukselle sekä Porvoon, Pernajan ja Sipoon kunnille. 24 s. [The eutrophication history of coastal embayments in Uusimaa – an assessment using palaeolimnological methods: Pieni Pernajanlahti, Fasarbyviken, Varlaxviken, Nikuviken, ”Insjön” and Sipoonlahti. Scientific Report to the Uusimaa Regional Environment Centre and the cities of Porvoo, Pernaja and Sipoo. 24 p.].
Weckström K., S. Vaalgamaa, J. Kangas & P. Shemeikka 2004. Hellänlahden rehevöitymishstoria paleolimnologisin menetelmin arvioituna. Raportti Kaakkois-Suomen ympäristökeskukselle. 15 s. [The eutrophication history of Hellänlahti – an assessment using palaeolimnological methods. Scientific Report to the Southeast Finland Regional Environment Centre. 15 p.].
Telford R., A. Clarke, K. Weckström, E. Andrén & S. Juggins 2002. Estimation of reference
nutrient conditions in coastal and transitional waters using a diatom-based transfer function. In Ledoux L. & D. Burgess (eds.) Science for Water Policy: The implications of the Water Framework Directive. University of East Anglia 2-4 September 2002.
Sorvari S., J. Weckström, K. Weckström & T. Kauppila (eds.) 2001. Nordic Diatomists' Meeting 2001, abstracts. Publications of the Department of Quaternary Geology, University of Turku 85.
PAPERS PRESENTED (WITH PUBLISHED ABSTRACTS)
Weckström K. & B.L. Turner B.L. 2009. Phytate as a novel phosphorus-specific paleo-indicator in coastal sediments. Invited Oral presentation. Coastal and Estuarine research Federation 20th Biennial Conference. Portland, Oregon, USA.
Weckström K., R. Tessadri, M. Pichler & R. Schmidt 2008. Rapid environmental change during Younger Dryas in Jeserzer (Saisser) See (Carinthia) inferred from biological and sedimentological proxies. Oral presentation. Climate Change in Austria During the Past 20 000 Years (PALDAT) Workshop, Mondsee, Austria.
Weckström K., S. Vaalgamaa, J. Weckström & A. Korhola 2006. Impacts of eutrophication on diatom species richness in coastal waters of southern Finland. Oral presentation. British Diatomists' Meeting, Malham Tarn, U.K.
Weckström K. 2006. Trends in coastal eutrophication of the Gulf of Finland (Baltic Sea) as traced by subfossil diatoms. Oral presentation. 10th International Paleolimnology Symposium, Duluth, Minnesota, USA.
Weckström K. & S. Juggins 2005. Coastal diatom-environment relationships from the Gulf of Finland, Baltic Sea. Poster presentation. ASLO 2005 Summer Meeting, Santiago de Compostela, Spain.
Weckström K., S. Vaalgamaa, A. Korhola, N. Reuss, S. Drew, P. Kauppila, H. Pitkänen 2004. Assessing ecological reference conditions, pollution history and recent recovery of an urban estuary, the northern Baltic Sea. Oral presentation. ASLO 2004 Summer Meeting, Savannah, Georgia, USA.
Weckström K., S. Vaalgamaa, A. Korhola, P. Kauppila, H. Pitkänen, N. Reuss & S. Drew 2004. Tracing pollution and recovery using sediments in an urban estuary, the northern Baltic Sea: Are we far from reference conditions? Oral presentation. BIREME Annual Symposium, Espoo, Finland.
Weckström K., S. Juggins & A. Korhola 2003. Validation of a coastal diatom-nitrogen transfer function for the Gulf of Finland (Baltic Sea). Oral presentation. 9th International Paleolimnology Symposium, Espoo, Finland.
Weckström K. 2001. Reconstructing historical nutrient concentrations in the coastal waters of the Gulf of Finland using diatom-based transfer functions. Oral presentation. British Diatomists' Meeting, Edinburgh, U.K.
Weckström K. 2001. Inferring long-term trends in eutrophication of coastal waters in southern Finland using diatom transfer functions. Oral presentation. NorFA Network for Research and Education: Integrated approaches to drainage basin nutrient inputs, atmospheric deposition and coastal eutrophication. 3rd Workshop: Case Studies in Eutrophication, Søminestationen, Denmark.
Weckström K., A.-L. Clarke, S. Juggins, A. Korhola & N.J. Anderson 2000. Inferring long-term trends in eutrophication and nutrient concentrations in the coastal zone of the Baltic Sea area using diatom transfer functions. Poster presentation. 8th International Paleolimnology Symposium, Kingston, Canada.
Weckstöm K. & S. Riuttanen 1999. Eutrophication of coastal waters in Southern Finland as indicated by sediment studies (in Finnish). Oral presentation. Lake Sediments as Archives of Environmental Change, Konnevesi Research Station, Finland.
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