Evidence of Covid-19 lockdown effects on riverine dissolved organic matter dynamics provides a proof-of-concept for needed regulations of anthropogenic emissions

Brogi, Simona Retelletti; Cossarini, Gianpiero; Bachi, Giancarlo; Balestra, Cecilia; Camatti, E.; Casotti, Raffaella; Checcucci, Giovanni; Colella, Simone; Evangelista, Valtere; Falcini, Federico; Francocci, Fedra; Giorgino, Toni; Margiotta, Francesca; d’Alcalà, Maurizio Ribera; Sprovieri, Mario; Vestri, Stefano; Santinelli, Chiara

doi:10.1016/j.scitotenv.2021.152412

Cited by 9 publications

(2 citation statements)

References 57 publications

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“…These components are called “tyrosine-like” and “tryptophan-like” (“protein-like) fluorescent signatures in the organic biogeochemistry community. 13,67–73 However, there are no proteins or amino acids in petroleum. Rather, these fluorescence signatures correspond with relatively reduced (aliphatic, low heteroatom) HOPs.…”

Section: Resultsmentioning

confidence: 99%

Photochemical formation of water-soluble oxyPAHs, naphthenic acids, and other hydrocarbon oxidation products from Cook Inlet, Alaska crude oil and diesel in simulated seawater spills

Harsha

Redman

Wesolowski

et al. 2023

Environ. Sci.: Adv.

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Section: Resultsmentioning

confidence: 99%

Photochemical formation of water-soluble oxyPAHs, naphthenic acids, and other hydrocarbon oxidation products from Cook Inlet, Alaska crude oil and diesel in simulated seawater spills

Harsha

Redman

Wesolowski

et al. 2023

Environ. Sci.: Adv.

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“…The largest number of components (up to 12) was identified in studies that analysed a wide range of samples from lakes, streams, wetlands, estuaries, sea ice, waters influenced by anthropogenic activity, black-odour waterbodies, agricultural catchments, etc. [1,[73][74][75][76][77][78].…”

Section: Eem Decompositionmentioning

confidence: 99%

TreatEEM—A Software Tool for the Interpretation of Fluorescence Excitation-Emission Matrices (EEMs) of Dissolved Organic Matter in Natural Waters

Omanović

Marcinek

Santinelli

2023

Water

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Fluorescence excitation-emission matrices (EEMs) are a useful tool in aquatic sciences for monitoring and studying the biogeochemistry of organic matter in natural waters and engineered systems. Yet, the interpretation of the wealth of information available in EEMs requires the use of appropriate software. Existing software tools for the analysis of EEMs, offered by instrument producers, have limited treatment capabilities, while other freely available tools are based on the MATLAB or R programming languages, which require a certain level of programming skills and a pre-installation of MATLAB or R. Here, we present TreatEEM, the first non-commercial, stand-alone Windows-based software tool that provides comprehensive treatment of EEMs. Its greatest advantage is its user-friendly and interactive graphical user interface, providing a convivial and responsive graphical feedback on any action performed on either a single spectrum (recorded at one excitation wavelength) or EEM. The capabilities of TreatEEM, including (a) basic EEM treatment, such as simple inner filter correction, scatter removal, blank subtraction, Raman normalisation, smoothing, drift alignment etc., (b) extraction of useful parameters for DOM characterisation (Coble peaks and fluorescence indices) and (c) preparation of data for PARAFAC analysis plus presentation/manipulation of obtained PARAFAC components, are described in detail, along with a basic theoretical background on these most commonly used treatment steps of EEMs.

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Mediterranean Sea general biogeochemistry

Álvarez

Catalá²,

Civitarese³

et al. 2023

Oceanography of the Mediterranean Sea

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Evidence of Covid-19 lockdown effects on riverine dissolved organic matter dynamics provides a proof-of-concept for needed regulations of anthropogenic emissions

Cited by 9 publications

References 57 publications

Photochemical formation of water-soluble oxyPAHs, naphthenic acids, and other hydrocarbon oxidation products from Cook Inlet, Alaska crude oil and diesel in simulated seawater spills

Photochemical formation of water-soluble oxyPAHs, naphthenic acids, and other hydrocarbon oxidation products from Cook Inlet, Alaska crude oil and diesel in simulated seawater spills

TreatEEM—A Software Tool for the Interpretation of Fluorescence Excitation-Emission Matrices (EEMs) of Dissolved Organic Matter in Natural Waters

Mediterranean Sea general biogeochemistry

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