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Drivers of phytopla...
Drivers of phytoplankton responses to summer wind events in a stratified lake : a modelling study
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- Mesman, Jorrit P., 1993- (författare)
- Uppsala universitet,Limnologi,Department F.-A. Forel for Environmental and Aquatic Sciences, Institute for Environmental Sciences, University of Geneva, Geneva, Switzerland University of Geneva, Group of Applied Physics and Institute for Environmental Sciences, Geneva, Switzerland
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- Ayala, Ana I. (författare)
- Uppsala universitet,Limnologi,University of Geneva, Group of Applied Physics and Institute for Environmental Sciences, Geneva, Switzerland
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Goyette, Stéphane (författare)
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Kasparian, Jérôme (författare)
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Marcé, Rafael (författare)
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- Markensten, Hampus (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment
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Stelzer, Julio A. A. (författare)
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Thayne, Michael W. (författare)
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Thomas, Mridul K. (författare)
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- Pierson, Don C. (författare)
- Uppsala universitet,Limnologi
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Ibelings, Bas W. (författare)
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(creator_code:org_t)
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- 2022-02-12
- 2022
- Engelska.
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Ingår i: Limnology and Oceanography. - : John Wiley & Sons. - 0024-3590 .- 1939-5590. ; 67:4, s. 856-873
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Abstract
Ämnesord
Stäng
- Extreme wind events affect lake phytoplankton amongst others by deepening the mixed layer and increasing internal nutrient loading. Both increases and decreases of phytoplankton biomass after storms have been observed, but the precise mechanisms driving these responses remain poorly understood or quantified. In this study, we coupled a one-dimensional physical model to a biogeochemical model to investigate the factors regulating short-term phytoplankton responses to summer storms, now and under expected warmer future conditions. We simulated physical, chemical and biological dynamics in Lake Erken, Sweden, and found that wind storms could increase or decrease the phytoplankton concentration one week after the storm, depending on antecedent lake physical and chemical conditions. Storms had little effect on phytoplankton biomass if the mixed layer was deep prior to storm exposure. Higher incoming shortwave radiation and hypolimnetic nutrient concentration boosted growth, whereas higher surface water temperatures decreased phytoplankton concentration after storms. Medium-intensity wind speeds resulted in more phytoplankton biomass after storms than high-intensity wind. Simulations under a future climate scenario did not show marked differences in the way wind affects phytoplankton growth following storms. Our study shows that storm impacts on lake phytoplankton are complex and likely to vary as a function of local environmental conditions.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Nyckelord
- Stratification
- Storms
- Extreme events
- Modelling
- Phytoplankton
- Climate change
- Nutrient entrainment
- Mixing
Publikations- och innehållstyp
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Till lärosätets databas
- Av författaren/redakt...
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Mesman, Jorrit P ...
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Ayala, Ana I.
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Goyette, Stéphan ...
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Kasparian, Jérôm ...
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Marcé, Rafael
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Markensten, Hamp ...
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visa fler...
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Stelzer, Julio A ...
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Thayne, Michael ...
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Thomas, Mridul K ...
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Pierson, Don C.
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Ibelings, Bas W.
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visa färre...
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Uppsala universitet
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Sveriges Lantbruksuniversitet