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| DOI | 10.3389/fmars.2023.1295986 |
| Simulation of benthic microalgae impacts on water quality in shallow water systems, Corsica River, Chesapeake Bay | |
| 发表日期 | 2024 |
| EISSN | 2296-7745 |
| 起始页码 | 10 |
| 卷号 | 10 |
| 英文摘要 | Eutrophication and hypoxia represent an ever-growing stressor to estuaries and coastal ecosystems due to population growth and climate change. Understanding water quality dynamics in shallow water systems is particularly challenging due to the complex physical and biogeochemical dynamics and interactions among them. Within shallow waters, benthic microalgae can significantly contribute to autotrophic primary production, generate organic matter, increase dissolved oxygen consumption, and alter nutrient fluxes at the sediment-water interface, yet they have received little attention in modeling applications. A state-of-the-art modeling system, the Semi-Implicit Cross-Scale Hydroscience Integrated System Model (SCHISM), coupled with the Integrated Compartment Model (ICM) of water quality and benthic microalgae, has been implemented in the Corsica River estuary, a tributary to Chesapeake Bay, to study benthic microalgal impact on water quality in shallow water systems. The model simulation has revealed a broad impact of benthic microalgae, ranging from sediment-water interface fluxes to water column dynamics, and the effects are observed from near-field to far-field monitoring stations. High-frequency variability and non-linearity dominate benthic microalgal dynamics, sediment oxygen demand, and nutrient fluxes at the sediment-water interface. Resource competition and supply determine the spatial scope of benthic microalgal impacts on far-field stations and the whole estuary system. Our study shows that benthic microalgae are a significant factor in shallow water dynamics that needs adequate attention in future observation and modeling applications. |
| 英文关键词 | shallow water systems; water quality; benthic microalgae; high-frequency variability; nutrient fluxes; modeling |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
| WOS类目 | Environmental Sciences ; Marine & Freshwater Biology |
| WOS记录号 | WOS:001156329800001 |
| 来源期刊 | FRONTIERS IN MARINE SCIENCE
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/298499 |
| 作者单位 | University System of Maryland; University of Maryland Center for Environmental Science; Oak Ridge Associated Universities; United States Department of Energy (DOE); Oak Ridge Institute for Science & Education; William & Mary; Virginia Institute of Marine Science; United States Environmental Protection Agency |
| 推荐引用方式 GB/T 7714 | . Simulation of benthic microalgae impacts on water quality in shallow water systems, Corsica River, Chesapeake Bay[J],2024,10. |
| APA | (2024).Simulation of benthic microalgae impacts on water quality in shallow water systems, Corsica River, Chesapeake Bay.FRONTIERS IN MARINE SCIENCE,10. |
| MLA | "Simulation of benthic microalgae impacts on water quality in shallow water systems, Corsica River, Chesapeake Bay".FRONTIERS IN MARINE SCIENCE 10(2024). |
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