Sören Fröjdö

Publications

Research output per year 1994 2013 2014 2015 2020 2023

• 23 Article

Research output per year

Research output per year

Search results

• Article

  1.8 Ga magmatism in southern Finland: strongly enriched mantle and juvenile crustal sources in a post-collisional setting

  Rutanen, H., Andersson, U. B., Väisänen, M., Johansson, Å., Fröjdö, S., Lahaye, Y. & Eklund, O., 2011, In: International Geology Review. 53, 14, p. 1622–1683 62 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  36 Citations (Scopus)

• 1.8 Ga magmatism in the Fennoscandian Shield; lateral variations in subcontinental mantle enrichment

  Andersson, UB., Eklund, O., Fröjdö, S. & Konopelko, D., 2006, In: Lithos. 86, 1-2, p. 110–136 27 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  62 Citations (Scopus)

• 1.8 Ga Svecofennian post-collisional shoshonitic magmatism in the Fennoscandian shield

  Eklund, O., Konopelko, D., Rutanen, H., Fröjdö, S. & Shebanov, AD., 1998, In: Lithos. 45, 1-4, p. 87–108 22 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  138 Citations (Scopus)

• A flow-foliated ignimbrite related to the Åland rapakivi granite in SW Finland

  Eklund, O., Shebanov, A., Fröjdö, S., Yli-kyyny, K. & Andersson, U. B., 1996, In: Terra Nova. 8, 6, p. 548–557

  Research output: Contribution to journal › Article › Scientific › peer-review
  7 Citations (Scopus)

• An analytical procedure for determination of sulphur species and isotopes in boreal acid sulphate soils and sediments

  Backlund, K., Broman, A., Fröjdö, S. & Åström, M., 2005, In: Agricultural and Food Science. 14, 1, p. –

  Research output: Contribution to journal › Article › Scientific › peer-review
  33 Citations (Scopus)

• Artificial neural network for acid sulfate soil mapping: Application to the Sirppujoki River catchment area, south-western Finland

  Beucher, A., Österholm, P., Martinkauppi, A., Eden, P. & Fröjdö, S., 2013, In: Journal of Geochemical Exploration. 125, p. 46–55 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  30 Citations (Scopus)

• Artificial neural network for mapping and characterization of acid sulfate soils: Application to Sirppujoki River catchment, southwestern Finland

  Beucher, A., Siemssen, R., Fröjdö, S., Österholm, P., Martinkauppi, A. & Eden, P., 2015, In: Geoderma. 247-248, p. 38–50 13 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  20 Citations (Scopus)

• Assessment of acid sulfate soil mapping utilizing chemical indicators in recipient waters

  Beucher, A., Fröjdö, S., Österholm, P., Auri, J., Martinkauppi, A. & Edén, P., 2015, In: Geological Society of Finland. 87, p. 5–23

  Research output: Contribution to journal › Article › Scientific › peer-review
  8 Citations (Scopus)

• CHARACTERIZATION OF ALTERED MICA FROM SOKLI, NORTHERN FINLAND

  Rama, M., Eklund, O., Fröjdö, S., Smått, J-H., Lastusaari, M. & Laiho, T., 2020, In: Clays and Clay Minerals. 67, 5, p. 428–438

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

  • X-Ray Diffraction 100%
  • Minerals 66%
  • Regolith 66%
  • Characterization 66%
  • Thermogravimetric Analysis 66%
  7 Citations (Scopus)

  46 Downloads (Pure)

• Elemental, lead and sulfur isotopic compositions of galena from Kola carbonatites, Russia – implications for melt and mantle evolution

  Bell, K., Zaitsev, AN., Spratt, J., Fröjdö, S. & Rukhlov, AS., 2015, In: Mineralogical Magazine. 79, 2, p. 219–241

  Research output: Contribution to journal › Article › Scientific › peer-review
  15 Citations (Scopus)

• Fuzzy logic for acid sulfate soil mapping: Application to the southern part of the Finnish coastal areas

  Beucher, A., Fröjdö, S., Österholm, P., Martinkauppi, A. & Edén, P., 2014, In: Geoderma. 226-227, p. 21–30

  Research output: Contribution to journal › Article › Scientific › peer-review
  24 Citations (Scopus)

• Hydrological processes behind annual and decadal-scale variations in the water quality of runoff in Finnish catchments with acid sulfate soils

  Toivonen, J., Österholm, P. & Fröjdö, S., 2013, In: Journal of Hydrology. 487, p. 60–69 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

  • Water Quality 100%
  • Water Level 28%
  • Water Resource 14%
  • Land Use 14%
  • Flood 14%
  14 Citations (Scopus)

  7 Downloads (Pure)

• Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load

  Toivonen, J., Fröjdö, S. & Österholm, P., 2019, In: Boreal Environment Research. 24, p. 79–99

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  5 Citations (Scopus)

  64 Downloads (Pure)

• Impact of isostatic land uplift and artificial drainage on oxidation of brackish-water sediments rich in metastable iron sulfide

  Boman, A., Fröjdö, S., Backlund, K. & Åström, M. E., 2010, In: Geochimica et Cosmochimica Acta. 74, 4, p. –

  Research output: Contribution to journal › Article › Scientific › peer-review
  93 Citations (Scopus)

• Information depths of analytical techniques assessing whitefish otolith chemistry

  Lill, J-O., Finnäs, V., Heimbrand, Y., Blass, M., Fröjdö, S., Lahaye, Y., Slotte, J., Nyman, J., Jokikokko, E., von Numers, M. & Hägerstrand, H., 15 Aug 2020, In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 477, p. 104-108

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

  • X-Ray Fluorescence Spectroscopy 100%
  • Depth 83%
  • Information 58%
  • Laser Ablation Inductively Coupled Plasma Mass Spectrometry 41%
  • X Ray 33%
  4 Citations (Scopus)

  26 Downloads (Pure)

• Intra-orogenic Svecofennian magmatism in SW Finland constrained by LA-MC-ICP-MS zircon dating and geochemistry

  Väisänen, M., Eklund, O., Lahaye, Y., O'Brien, H., Fröjdö, S., Högdahl, K. & Lammi, M., 2012, In: GFF. 134, 2, p. 99–114 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  15 Citations (Scopus)

• MAGMA MIXING, THE PETROGENETIC LINK BETWEEN ANORTHOSITIC SUITES AND RAPAKIVI GRANITES, ALAND, SW FINLAND

  Eklund, O., Fröjdö, S. & LINDBERG, B., 1994, In: Mineralogy and Petrology. 50, 1-3, p. 3–19 17 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  32 Citations (Scopus)

• Mapping potential acid sulfate soils in Denmark using legacy data and Lidar-based derivatives.

  Beucher, A., Adhikari, K., Breuning-Madsen, H., [Unknown], G. M. B., Österholm, P., Fröjdö, S., [Unknown], J. N. H. & [Unknown], G. M. H., 2017, In: Geoderma. 308, p. 363–372

  Research output: Contribution to journal › Article › Scientific › peer-review
  17 Citations (Scopus)

• Palaeomagnetism and U – Pb geochronology of c. 1570 Ma intrusives from Åland archipelago, SW Finland – implications for Nuna

  Salminen, J. M., Klein, R., Mertanen, S., Pesonen, L. J., Fröjdö, S., Mänttäri, I. & Eklund, O., 2015, In: Geological Society Special Publications. 424, p. –

  Research output: Contribution to journal › Article › Scientific › peer-review

• Recharge and sustainability of a coastal aquifer in northern Albania

  Kumanova, X., Marku, S., Fröjdö, S. & Jacks, G., 2014, In: Hydrogeology Journal. 22, 4, p. 883–892

  Research output: Contribution to journal › Article › Scientific
  6 Citations (Scopus)

• Sulfur dynamics in boreal acid sulfate soils rich in metastable iron sulfide—The role of artificial drainage

  Boman, A., Åstrom, M. & Fröjdö, S., 2008, In: Chemical Geology. 255, 1-2, p. 68–77 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  87 Citations (Scopus)

• Svecofennian intra-orogenic gabbroic magmatism: a case study from Turku, southwestern Finland

  NEVALAINEN, JENNI., VÄISÄNEN, MARKKU., LAHAYE, YANN., HEILIMO, ESA. & Fröjdö, S., 2014, In: Geological Society of Finland. 86, 2, p. 93–112

  Research output: Contribution to journal › Article › Scientific › peer-review

  5 Citations (Scopus)

• Targeting oxidation sites on boreal acid sulfate soil macropore surfaces mitigates acid and metal release to recipient water streams

  Högfors-Rönnholm, E., Stén, P., Christel, S., Fröjdö, S., Lillhonga, T., Nowak, P., Österholm, P., Dopson, M. & Engblom, S., Nov 2023, In: Applied Geochemistry. 158, 105779.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  • Macropore 100%
  • Inner Core 50%
  • Preferential Flow 12%
  • Oxidation-Reduction 12%
  • Acid Mine Drainage 12%
  1 Citation (Scopus)