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Magdalena Bieroza

Magdalena Bieroza
I am a catchment hydrologist, biogeochemist and computer scientist by profession. I am interested in catchment- and reach-scale nutrient and organic matter dynamics in agricultural catchments. I am particularly interested in high-temporal resolution stream biogeochemical responses and monitoring using on-line in situ sensors.



1. Meeting with land owners in Hestad catchment to discuss ways to reduce nutrient losses to the Baltic Sea.

On Friday 6th of March 2020, we organised a meeting with land owners, Anuschka Heeb (Vatten och växt), Johan Malgeryd and Emma Svensson (Jordbruksverket) to discuss effectiveness of different mitigation measures in agricultural areas. Presentations: Anuschka Heeb on Focus on Phosphorus project, Magda Bieroza on SLF project Towards environment friendly Swedish agriculture, Lukas Hallberg on Formas project Two-stage ditches in Sweden, Sofia Englund on MSc project optimising design of two-stage ditches, Andreas Matsson on MSc project Water quality in agricultural drainage and Adam Eriksson on MSc project Water quality in observational fields in Sweden. 

2. EGU 2020 3-8 May in Vienna (live chats)

An exciting session on hydrochemistry! 

Advancing understanding of hydrochemical and ecological processes controlling the fate of aquatic organic matter, nutrients and pollutants using state-of-the-art methods

Join live chat on Wed, 06 May, 10:45–12:30. Read, comment and be active at:

And an oral presentation on mitigation measures 06 May 2020, 12:15:

Combating eutrophication in agricultural catchments: factors controlling effectiveness and challenges of changing climate and nutrient legacies by Magdalena Bieroza et al., session HS2.3.1 – Water quality at the catchment scale: measuring and modelling of nutrients, sediment and eutrophication impacts

Comment and ask questions at:

3. 4th International Workshop on High Temporal Resolution Water Quality Monitoring and Analysis, 24-26th May 2021, SLU Uppsala

Due to the coronavirus situation the conference is postponed to 2021, see details at:

Invited speakers: Prof. James Kirchner, Prof. Helen Jarvie and Prof. Nandita Basu

Organiser: Magdalena Bieroza

4. Hydrologic Extremes and Legacy Sources Can Override Efforts to Mitigate Nutrient and Sediment Losses at the Catchment Scale

A new paper published in the Journal of Environmental Quality, special issue celebrating 350th anniversary of discovering phosphorus.

This work shows that combating eutrophication with so-called mitigation measures is challenging due to hydrologic extremes (both storm events and drought) and nutrient legacy sources that can increase export of nutrients and sediments from agricultural catchments. For more information, read the paper (open access):

and a popular science summary (in Swedish):

5. Call for papers for the special issue in Water on Hydrological and Chemical Controls on Nutrient and Contaminant Loss to Water in Agricultural Landscapes

6. Are you looking for an interesting seminar or a PhD course at SLU? 

Stay up-to-date with planned activities of SLU Future Faculty and Focus on Soils and Water research school. 



1. Lancaster UK 8-9th October 2019

I will join the phosphorus 'birthday' party and workshop.

2. Wexford IE 5-8th November 2019

I will present at the Catchment Science conference organised by Teagasc.

3. EGU Vienna AT 3-8th May 2020 (online!)

As every year, EGU is my favourite meeting place! I will organise a session on Advancing understanding of hydrochemical and ecological processes controlling the fate of aquatic natural organic matter, nutrients and pollutants using state-of-the-art methods.

4. Uppsala SE 24-26th May 2021 (hopefully in person!)

I have a great pleasure to host the 4th International Workshop on High Temporal Resolution Water Quality Monitoring and Analysis.



A video interview during Catchment Science 2019 in Wexford

and with Per-Erik Mellander (starts 1:06)



MSc course Land use and watershed management to reduce eutrophication

Do you want to learn more about water quality pollution and how to combat eutrophication? Join the MSc course which will run 1st November - 3rd December 2019. Next opportunity in autumn 2020.




1.  Phosphorus, nitrogen and carbon dynamics in agricultural streams.

2.  Diffuse pollution in agricultural catchments: monitoring, modelling and management.

3.  High-temporal resolution monitoring in agricultural catchments.

4.  Natural organic matter dynamics in agricultural catchments.



2020-2024      Stiftelsen Oscar & Lili Lamms Minne Why eutrophication mitigation measures show mixed success in reducing nutrient and sediment losses? - Principal Investigator.

2019-2020      Vetenskapsrådet Conference Grant 4th International Workshop on High Temporal Resolution Water Quality Monitoring and Analysis - Principal Investigator.

2020-2022       HaV Two-stage ditches in Sweden - Principal Investigator.

2020-2022       FORMAS  TaRgEting Low-Sorption Soils to reduce phosphorus losses – Co-applicant.

2019-2022       FORMAS Two-stage ditches in Sweden – Principal Investigator.

2018-2020       Department of Soil and Environment, SLU Improved assessment of eutrophicationPrincipal Investigator.

2018-2020       Jordbruksverket Phosphorus ponds with and without sediment removal –  Principal Investigator.

2017-2020       Stiftelsen Lantbruksforskning Towards environmentally friendly Swedish agriculturePrincipal Investigator.

2017-2020       FORMAS Are anaerobic conditions in soil the main reason for large leaching losses of phosphorus from arable land?Co-applicant.



2019                  Jordbruksverket Do agri-environmental mitigation measures increase emissions of N2O?  Principal Investigator.

2018-2019       Stiftelsen Carl Tryggers Denitrification in bed sediments of a two-stage ditch and a sedimentation pondPrincipal Investigator.

2017-2019     Stiftelsen ÅForsk Evaluation of the effects of phosphorus and suspended sediments mitigation measures in agricultural catchments Principal Investigator.

2016 - 2017     Marie Skłodowska Curie Individual Fellowship at Department of Soil and Environment (Swedish University of Agricultural Sciences SLU, SE) Hot-spots of phosphorus and nitrogen delivery in time and space in agricultural catchments (HotPaNTS) – Principal Investigator.

2016-2017       Stiftelsen Oscar & Lili Lamms Minne Improved evidence of nutrient hot-spots in agricultural catchments inferred from optical sensorsPrincipal Investigator.




12/2018-         Associate Professor in Soil Sciences - Water Quality Management  at Department of Soil and Environment (SLU, SE).

10/2018-        Chair of the SLU Future Faculty (SLU, SE).

07/2018-        Study Director of the PhD research school Focus on Soils and Water (SLU, SE).



2016-2017 Marie Curie Fellowship at Department of Soil and Environment (SLU, SE) Hot-spots of phosphorus and nitrogen delivery in time and space in agricultural catchments - HotPaNTS.

2015-2016 Natural Environment Research Council NERC and Environment Agency Research Fellow (Lancaster University, UK) Nitrate from agriculture: moving from uncertain data to operational responses.

2011-2015 Senior Research Associate in Nutrient Biogeochemistry (Lancaster University, UK) NERC project (PI AL Heathwaite) Phosphorus dynamics in groundwater-fed rivers.

2010-2011 Postdoctoral Research Assistant in Catchment Hydrology (Engineering, Bristol University, UK) Long-term nitrate trends in the Thames with N Howden (PI).



2018 Associate professor (docent) in Water Quality Management (SLU, Sweden)

2010 PhD in Water Engineering, Characterising water treatment works performance using fluorescence spectroscopy (University of Birmingham, UK), Supervisors J Bridgeman and A Baker.

2006 BEng (Hons) in Computer Science (Polish-Japanese Institute of Information Technology, PL).

2005 MSc (Hons) in Hydrology (Mathematical & Natural Sciences, Warsaw University, PL).

2003 BSc (Hons) in Geography (Mathematical & Natural Sciences, Warsaw University, PL).




Hallberg, Lukas, PhD, 2020-2024, Two-stage ditches in Sweden.

Englund, Sofia, MSc, 2020. Optimizing the design of two-stage ditches to improve
nutrient and sediment retention.

Eriksson, Adam, MSc, 2020. Water quality and organic matter linkages in waters draining arable fields

Hodenana, Juan, MSc, 2020. Eutrophication in Uruguay and Sweden – causes, mitigation and stakeholder attitudes.

Matsson, Andreas, MSc, 2020. Subsurface drainage as hot-spot of water pollution in an agricultural catchment. 

Uwera, Honorine, MSc, 2020. How robust is water quality determination with optical measurements for highly polluted agricultural waters? 



Ehnvall, Betty, 2017. Organic matter properties and their relation to phosphorus and nitrogen concentrations in Swedish agricultural streams. Second cycle, A2E. Uppsala: SLU, Dept. of Soil and Environment.

Abade Smoginski, Ana Paula, 2017. Can we use optical sensors in highly turbid agricultural streams?. Second cycle, A2E. Uppsala: SLU, Dept. of Soil and Environment.

Larsson, Åsa, 2018. Nutrient concentrations before and after the Focus on Phosphorus project in E23 catchment. First cycle, G2E. Uppsala: SLU, Dept. of Soil and Environment.



Please contact me if you are interested in a Phd, MSc or BSc project in one of my current research fields. A list of available projects at the Department of Soil and Environment:


Selected publications

All publications are available through self-archiving on my Research Gate profile at

If you would like a copy of any of the articles, please send me an email. 

1Bieroza M, Bergström L, Ulén B, Djodjic F, Tonderski K, Heeb A, Svensson J and 
 Malgeryd J, 2019, Hydrologic Extremes and Legacy Sources Can Override Efforts to Mitigate Nutrient and Sediment Losses at the Catchment Scale. doi:10.2134/jeq2019.02.0063.

2. Ulén B, Geranmayeh P, Blomberg M, Bieroza M, 2019, Seasonal variation in nutrient retention in a free water surface constructed wetland monitored with flow-proportional sampling and optical sensors. Ecological Engineering. doi: 10.1016/j.ecoleng.2019.105588.

3. Bol R, Gruau G, Mellander P-E, Dupas R, Bechmann M, Skarbøvik E, Bieroza M, Djodjic F, Glendell M, Jordan P, Van der Grift B, Rode M, Smolders E, Verbeeck M, Gu S, Klumpp E, Pohle I, Fresne M and Gascuel-Odoux C, 2018, Challenges of Reducing Phosphorus Based Water Eutrophication in the Agricultural Landscapes of Northwest Europe. Front. Mar. Sci. 5:276. doi: 10.3389/fmars.2018.00276.

4.  Bieroza MZ, Heathwaite AL, Bechmann M, Kyllmar K & Jordan P, 2018, The concentration-discharge slope as a tool for water quality management, Sci Total Environ, 630, 738–749.

5.  Bieroza MZ & Heathwaite AL, 2016, Unravelling organic matter and nutrient biogeochemistry in groundwater-fed rivers under baseflow conditions: Uncertainty in in situ high-frequency analysis, Sci Total Environ, 572, 1520-1533.

6.  Bieroza MZ & Heathwaite AL, 2015, Seasonality in phosphorus concentration-discharge hysteresis patterns inferred from high-frequency in situ monitoring, J Hydrol, 524, 333-347.

7.  Bieroza MZ, Heathwaite AL, Mullinger NJ & Keenan PO, 2014, Understanding nutrient biogeochemistry in agricultural catchments: the challenge of appropriate monitoring frequencies, Env Sci Process & Impacts, doi: 10.1039/C4EM00100A.

8.  Ahmed I, Hamilton-Taylor J, Bieroza MZ, Zhang H & Davison W, 2014, Improving and testing geochemical speciation predictions of metal ions in natural waters, Water Res, 67, 276–291.

9.  Carstea EM, Baker A, Bieroza MZ, Reynolds D & Bridgeman J, 2014, Characterisation of dissolved organic matter fluorescence properties by PARAFAC analysis and thermal quenching. Water Res, 61, 152-161.

10.  Bieroza MZ, Baker A, Bridgeman J & Boomer I, 2014, Stable isotopic composition of raw and treated water. ICE - Water Management, doi: 10.1680/wama.13.00065.

11.  Burt TP, Howden NJK, Worrall F, Whelan MJ & Bieroza MZ, 2011, Nitrate in United Kingdom rivers: policy and its outcomes since 1970, Environ Sci Technol, 45(1), 175-181.

12.  Bridgeman J, Bieroza MZ & Baker A, 2011, The application of fluorescence spectroscopy to organic matter characterisation in drinking water treatment, Rev Env Sci Bio-Tech, 10(3), 277-290.

13.  Bieroza MZ, Baker A & Bridgeman J, 2009, Relating freshwater organic matter fluorescence to organic carbon removal efficiency in drinking water treatment, Sci Total Environ, 407(5), 1765-1774. 

Researcher at the Department of Soil and Environment; Agricultural water management
Telephone: +464618671198
Work description: Biogeochemistry, Aquatic systems, In situ high-temporal resolution monitoring, Nutrient dynamics, Natural organic matter, Agricultural catchments
Postal address:
Institutionen för mark och miljö
Box 7014
750 07 Uppsala
Visiting address: Lennart Hjelms väg 9, Uppsala