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  1. Estimating the seasonal impact of optically significant water constituents on surface heating rates in the western Baltic Sea

    Article • Biogeosciences, July 2023, Copernicus GmbH

    Piotr Kowalczuk

  2. Inherent optical properties of dissolved and particulate matter in an Arctic fjord (Storfjorden, Svalbard) in early summer

    Article • Ocean Science, April 2022, Copernicus GmbH

    Piotr Kowalczuk

  3. Introduction to the Chemical Oceanography of Frontal Zones

    Article • January 2022, Springer Science + Business Media

    Piotr Kowalczuk

  4. Darkening of the Svalbard Fjords Waters Observed With Satellite Ocean Color Imagery in 1997–2019

    Article • Frontiers in Marine Science, October 2021, Frontiers

    Piotr Kowalczuk

  5. Radiative Transfer Modeling With Biogeochemical‐Argo Float Data in the Mediterranean Sea

    Article • Journal of Geophysical Research Oceans, October 2021, American Geophysical Union (AGU)

    Piotr Kowalczuk

  6. Compositional differences of fluorescent dissolved organic matter in Arctic Ocean spring sea ice and surface waters north of Svalbard

    Article • Marine Chemistry, December 2020, Elsevier

    Piotr Kowalczuk

  7. Empirical Relationships between Remote-Sensing Reflectance and Selected Inherent Optical Properties in Nordic Sea Surface Waters for the MODIS and OLCI Ocean Colour Sensors

    Article • Remote Sensing, August 2020, MDPI AG

    Piotr Kowalczuk

  8. Bio‐optical properties of surface waters in the Atlantic Water inflow region off Spitsbergen (Arctic Ocean)

    Article • Journal of Geophysical Research Oceans, February 2019, American Geophysical Union (AGU)

    Piotr Kowalczuk

  9. The Underwater Light Climate in Kongsfjorden and Its Ecological Implications

    Article • January 2019, Springer Science + Business Media

    Piotr Kowalczuk

  10. Study on Different Fractions of Organic Molecules in the Baltic Sea Surface Microlayer by Spectrophoto- and Spectrofluorimetric Methods

    Article • Frontiers in Marine Science, December 2018, Frontiers

    Piotr Kowalczuk

  11. Characteristics of chromophoric and fluorescent dissolved organic matter in the Nordic Seas

    Article • Ocean Science, June 2018, Copernicus GmbH

    Piotr Kowalczuk

  12. Optical characteristic of humic acids from lake sediments by excitation-emission matrix fluorescence with PARAFAC model

    Article • Journal of Soils and Sediments, February 2018, Springer Science + Business Media

    Piotr Kowalczuk

  13. Study on organic matter fractions in the surface microlayer in the Baltic Sea by spectrophotometric and spectrofluorometric methods

    Article • Ocean Science, August 2017, Copernicus GmbH

    Piotr Kowalczuk

  14. Bio-optical properties of Arctic drift ice and surface waters north of Svalbard from winter to spring

    Article • Journal of Geophysical Research Oceans, June 2017, Wiley

    Piotr Kowalczuk

  15. Bio-optical water quality assessment

    Article • January 2017, Springer Science + Business Media

    Piotr Kowalczuk

  16. Parameterization of the light absorption properties of chromophoric dissolved organic matter in the Baltic Sea and Pomeranian lakes

    Article • Ocean Science, August 2016, Copernicus GmbH

    Piotr Kowalczuk

  17. Linkages between the circulation and distribution of dissolved organic matter in the White Sea, Arctic Ocean

    Article • Continental Shelf Research, May 2016, Elsevier

    Piotr Kowalczuk

  18. Spectrofluorometric characteristics of fluorescent dissolved organic matter in a surface microlayer in the Southern Baltic coastal waters

    Article • Journal of the European Optical Society Rapid Publications, November 2015, European Optical Society

    Piotr Kowalczuk

  19. Effect of sea-ice melt on inherent optical properties and vertical distribution of solar radiant heating in Arctic surface waters

    Article • Journal of Geophysical Research Oceans, October 2015, Wiley

    Piotr Kowalczuk

  20. Mixing anomaly in deoxygenated Baltic Sea deeps indicates benthic flux and microbial transformation of chromophoric and fluorescent dissolved organic matter

    Article • Estuarine Coastal and Shelf Science, September 2015, Elsevier

    Piotr Kowalczuk

  21. Composition of dissolved organic matter along an Atlantic Meridional Transect from fluorescence spectroscopy and Parallel Factor Analysis

    Article • Marine Chemistry, December 2013, Elsevier

    Piotr Kowalczuk

  22. Colored Dissolved Organic Matter in Frontal Zones

    Article • January 2013, Springer Science + Business Media

    Piotr Kowalczuk

  23. A study of episodic events in the Baltic Sea – combined in situ and satellite observations**The project was financed by the National Centre for Research and Development (NCBiR) of Poland as contract No. 14-0004-04.

    Article • Oceanologia, April 2012, Elsevier

    Piotr Kowalczuk

  24. Fluorescence measured in situ as a proxy of CDOM absorption and DOC concentration in the Baltic Sea

    Article • Oceanologia, September 2010, Elsevier

    Piotr Kowalczuk

  25. Validation of empirical and semi-analytical remote sensing algorithms for estimating absorption by Coloured Dissolved Organic Matter in the Baltic Sea from SeaWiFS and MODIS imagery

    Article • Oceanologia, June 2010, Elsevier

    Piotr Kowalczuk

  26. Interannual Variation in Photosynthetically Significant Optical Properties and Water Quality in a Coastal Blackwater River Plume

    Article • Estuaries and Coasts, May 2010, Springer Science + Business Media

    Piotr Kowalczuk

  27. Characterization of dissolved organic matter fluorescence in the South Atlantic Bight with use of PARAFAC model: Relationships between fluorescence and its components, absorption coefficients and organic carbon concentrations

    Article • Marine Chemistry, January 2010, Elsevier

    Piotr Kowalczuk

  28. Characterization of dissolved organic matter fluorescence in the South Atlantic Bight with use of PARAFAC model: Interannual variability

    Article • Marine Chemistry, February 2009, Elsevier

    Piotr Kowalczuk

  29. Spectral characterization of chromophoric dissolved organic matter (CDOM) in a fjord (Doubtful Sound, New Zealand)

    Article • Aquatic Sciences, July 2008, Springer Science + Business Media

    Piotr Kowalczuk

  30. Comparison of radiometric quantities measured in water, above water and derived from seaWiFS imagery in the South Atlantic Bight, North Carolina, USA

    Article • Continental Shelf Research, December 2006, Elsevier

    Piotr Kowalczuk

  31. Modeling absorption by CDOM in the Baltic Sea from season, salinity and chlorophyll

    Article • Marine Chemistry, September 2006, Elsevier

    Piotr Kowalczuk

  32. Characterization of chromophoric dissolved organic matter (CDOM) in the Baltic Sea by excitation emission matrix fluorescence spectroscopy

    Article • Marine Chemistry, September 2005, Elsevier

    Piotr Kowalczuk

  33. Empirical relationships between coloured dissolved organic matter (CDOM) absorption and apparent optical properties in Baltic Sea waters

    Article • International Journal of Remote Sensing, January 2005, Taylor & Francis

    Piotr Kowalczuk

  34. Characterization of CDOM in an organic-rich river and surrounding coastal ocean in the South Atlantic Bight

    Article • Aquatic Sciences, December 2003, Springer Science + Business Media

    Piotr Kowalczuk

  35. Optical characteristics of two contrasting Case 2 waters and their influence on remote sensing algorithms

    Article • Continental Shelf Research, February 2003, Elsevier

    Piotr Kowalczuk

  36. Seasonal variability of yellow substance absorption in the surface layer of the Baltic Sea

    Article • Journal of Geophysical Research Atmospheres, December 1999, American Geophysical Union (AGU)

    Piotr Kowalczuk