Publications by authors named "Kurt Friese"

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Towards sustainable lake restoration.
Olga Tammeorg, Theis Kragh, Gertrud K Nürnberg, Laurence Carvalho, Brian Huser, Kurt Friese

Sci Total Environ· September 2025

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Sudden eutrophication of an aluminum sulphate treated lake due to abrupt increase of internal phosphorus loading after three decades of mesotrophy.
Tallent Dadi, Martin Schultze, Xiangzhen Kong, Michael Seewald, Karsten Rinke, Kurt Friese

Water Res· May 2023

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Data evaluation strategy for identification of key molecular formulas in dissolved organic matter as proxies for biogeochemical reactivity based on abundance differences from ultrahigh resolution mass spectrometry.
Peter Herzsprung, Norbert Kamjunke, Christin Wilske, Kurt Friese, Bertram Boehrer

Water Res· April 2023

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Understanding the Heavy Metal Pollution Pattern in Sediments of a Typical Small- and Medium-Sized Reservoir in China.
Qibei Bao, Cheng Liu, Kurt Friese, Tallent Dadi, Juhua Yu

Int J Environ Res Public Health· December 2022

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Analyses of colloidal, truly dissolved, and DGT-labile metal species and phosphorus in mining area surrounded by tailing dams using self-organising maps.
Erik Sartori Jeunon Gontijo, Adnívia Santos Costa Monteiro, Paulo Sérgio Tonello, Hubert Mathias Peter Roeser, Kurt Friese

Chemosphere· September 2022

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Accumulation characteristics and ecological implications of heavy metals in surface sediments of the Mwanza Gulf, Lake Victoria.
Qiushi Shen, Kurt Friese, Qun Gao, Ismael A Kimirei, Mary A Kishe

Environ Monit Assess· September 2022

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Reservoir water quality deterioration due to deforestation emphasizes the indirect effects of global change.
Xiangzhen Kong, Salman Ghaffar, Maria Determann, Kurt Friese, Seifeddine Jomaa

Water Res· August 2022

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Status and changes of water quality in typical near-city zones of three East African Great Lakes in Tanzania.
Qiushi Shen, Kurt Friese, Qun Gao, Cheng Yu, Ismael A Kimirei

Environ Sci Pollut Res Int· May 2022

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Permanent occurrence of Raphidiopsis raciborskii and cyanotoxins in a subtropical reservoir polluted by domestic effluents (Itupararanga reservoir, São Paulo, Brazil).
Leila Dos Santos Machado, Fabiane Dörr, Felipe Augusto Dörr, Daniele Frascareli, Darllene S Melo, Kurt Friese

Environ Sci Pollut Res Int· March 2022

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Unravelling winter diatom blooms in temperate lakes using high frequency data and ecological modeling.
Xiangzhen Kong, Michael Seewald, Tallent Dadi, Kurt Friese, Chenxi Mi

Water Res· February 2021

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Improved Understanding of Dissolved Organic Matter Processing in Freshwater Using Complementary Experimental and Machine Learning Approaches.
Peter Herzsprung, Valerie Wentzky, Norbert Kamjunke, Wolf von Tümpling, Christin Wilske, Kurt Friese

Environ Sci Technol· November 2020

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Dominance of in situ produced particulate organic carbon in a subtropical reservoir inferred from carbon stable isotopes.
Carolina de Castro Bueno, Daniele Frascareli, Erik S J Gontijo, Robert van Geldern, André H Rosa, Kurt Friese

Sci Rep· August 2020

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Effects of Fe(III) and quality of humic substances on As(V) distribution in freshwater: Use of ultrafiltration and Kohonen neural network.
Erik S J Gontijo, Cláudia H Watanabe, Adnívia S C Monteiro, Gilmare A da Silva, Hubert M P Roeser, Kurt Friese

Chemosphere· December 2017

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Stable isotope mass balances versus concentration differences of dissolved inorganic carbon - implications for tracing carbon turnover in reservoirs.
Johannes A C Barth, Michael Mader, Franziska Nenning, Robert van Geldern, Kurt Friese

Isotopes Environ Health Stud· August 2017

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Differences in DOM of rewetted and natural peatlands - Results from high-field FT-ICR-MS and bulk optical parameters.
Peter Herzsprung, Katja Osterloh, Wolf von Tümpling, Mourad Harir, Norbert Hertkorn, Kurt Friese

Sci Total Environ· May 2017

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Distribution and bioavailability of arsenic in natural waters of a mining area studied by ultrafiltration and diffusive gradients in thin films.
Erik S J Gontijo, Cláudia H Watanabe, Adnívia S C Monteiro, Paulo S Tonello, Gilmare A da Silva, Kurt Friese

Chemosphere· December 2016

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Sedimentary Sulphur:Iron Ratio Indicates Vivianite Occurrence: A Study from Two Contrasting Freshwater Systems.
Matthias Rothe, Andreas Kleeberg, Björn Grüneberg, Kurt Friese, Manuel Pérez-Mayo

PLoS One· June 2016

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Interaction of arsenic species with tropical river aquatic humic substances enriched with aluminum and iron.
Lilian Karla de Oliveira, Camila de Almeida Melo, Leonardo Fernandes Fraceto, Kurt Friese, André Henrique Rosa

Environ Sci Pollut Res Int· April 2016

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Molecular formula assignment for dissolved organic matter (DOM) using high-field FT-ICR-MS: chemical perspective and validation of sulphur-rich organic components (CHOS) in pit lake samples.
Peter Herzsprung, Norbert Hertkorn, Wolf von Tümpling, Mourad Harir, Kurt Friese

Anal Bioanal Chem· April 2016

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High-field FTICR-MS data evaluation of natural organic matter: are CHON5S2 molecular class formulas assigned to (13)C isotopic m/z and in reality CHO components?
Peter Herzsprung, Wolf V Tümpling, Norbert Hertkorn, Mourad Harir, Kurt Friese

Anal Chem· October 2015

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Understanding molecular formula assignment of Fourier transform ion cyclotron resonance mass spectrometry data of natural organic matter from a chemical point of view.
Peter Herzsprung, Norbert Hertkorn, Wolf von Tümpling, Mourad Harir, Kurt Friese

Anal Bioanal Chem· December 2014

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Variations of DOM quality in inflows of a drinking water reservoir: linking of van Krevelen diagrams with EEMF spectra by rank correlation.
Peter Herzsprung, Wolf von Tümpling, Norbert Hertkorn, Mourad Harir, Olaf Büttner, Kurt Friese

Environ Sci Technol· May 2012

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Photochemical degradation of natural organic sulfur compounds (CHOS) from iron-rich mine pit lake pore waters--an initial understanding from evaluation of single-elemental formulae using ultra-high-resolution mass spectrometry.
Peter Herzsprung, Norbert Hertkorn, Kurt Friese, Philippe Schmitt-Kopplin

Rapid Commun Mass Spectrom· October 2010

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Biogeochemical dynamics following land use change from forest to pasture in a humid tropical area (Rondĵnia, Brazil): a multi-element approach by means of XRF-spectroscopy.
Uwe Herpin, Carlos C Cerri, Maria Conceição Santana Carvalho, Bernd Markert, Jacinta Enzweiler, Kurt Friese

Sci Total Environ· March 2002

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