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Modelling dissolved oxygen dynamics in coastal lagoons

Author

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  • Hull, Vincent
  • Parrella, Luisa
  • Falcucci, Margherita

Abstract

High frequency dissolved oxygen measurements in Mediterranean coastal lagoons show different dynamics on different time scales. In this paper the seasonal and daily dynamics are analysed and discussed and a continuous simulation model is developed to represent them for the salt lake of Fogliano (Italy). Field and laboratory experiments evidenced that primary production slows down in highly oxygenated and irradiated summer days, acting in feedback regime with the oxygen already present in the media, that wind stress contributes in exceeding the oxygen saturation concentration and that there is a firm correlation between oxygen consumption at the sediment layer and overhanging water temperature. Water temperature, solar radiation and wind regime are the forcing functions of the model; the main state variables are dissolved oxygen and detritus in the pelagic and benthic layers, together with carbon dioxide and vegetal biomass. The slow seasonal and fast diel dynamics are both revealed by the model evidencing detailed aspects of oxygen dynamics in a coherent agreement with field observed data trends.

Suggested Citation

  • Hull, Vincent & Parrella, Luisa & Falcucci, Margherita, 2008. "Modelling dissolved oxygen dynamics in coastal lagoons," Ecological Modelling, Elsevier, vol. 211(3), pages 468-480.
    • Handle: RePEc:eee:ecomod:v:211:y:2008:i:3:p:468-480
    DOI: 10.1016/j.ecolmodel.2007.09.023
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    Citations

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    Cited by:

    1. Gökçe, Aytül & Yazar, Samire & Sekerci, Yadigar, 2020. "Delay induced nonlinear dynamics of oxygen-plankton interactions," Chaos, Solitons & Fractals, Elsevier, vol. 141(C).
    2. Ranković, Vesna & Radulović, Jasna & Radojević, Ivana & Ostojić, Aleksandar & Čomić, Ljiljana, 2010. "Neural network modeling of dissolved oxygen in the Gruža reservoir, Serbia," Ecological Modelling, Elsevier, vol. 221(8), pages 1239-1244.
    3. Abbadi Girmay Reda & Saroja K Barik & Debasish Mahapatro & RN Samal & Gurdeep Rastogi & KS Bhatt & Ajit K Pattnaik1 & Madhusmita Tripathy, 2017. "The Impact of Tropical Cyclone ‘Phailin’ on the Hydrology of Chilika Lagoon, India," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 4(2), pages 53-61, - August.
    4. Coates, Michael J. & Mondon, Julie, 2009. "Effect of environmental flows on deep, anoxic pools," Ecological Modelling, Elsevier, vol. 220(13), pages 1643-1651.
    5. Ertürk, Ali & Sakurova, Ilona & Zilius, Mindaugas & Zemlys, Petras & Umgiesser, Georg & Kaynaroglu, Burak & Pilkaitytė, Renata & Razinkovas-Baziukas, Artūras, 2023. "Development of a pelagic biogeochemical model with enhanced computational performance by optimizing ecological complexity and spatial resolution," Ecological Modelling, Elsevier, vol. 486(C).
    6. Gökçe, Aytül, 2021. "A mathematical study for chaotic dynamics of dissolved oxygen- phytoplankton interactions under environmental driving factors and time lag," Chaos, Solitons & Fractals, Elsevier, vol. 151(C).
    7. Eva M. García del Toro & Luis Francisco Mateo & Sara García-Salgado & M. Isabel Más-López & Maria Ángeles Quijano, 2022. "Use of Artificial Neural Networks as a Predictive Tool of Dissolved Oxygen Present in Surface Water Discharged in the Coastal Lagoon of the Mar Menor (Murcia, Spain)," IJERPH, MDPI, vol. 19(8), pages 1-12, April.

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