Three-Dimensional Hindcast of Nitrogen and Phosphorus Biogeochemical Dynamics in Lake Onego Ecosystem, 1985–2015. Part I: Long-Term Dynamics and Spatial Distribution
https://doi.org/10.59887/fpg/e1m2-63b5-rhvg
Abstract
Despite a wide-ranging research, there is almost no information regarding the major biogeochemical fluxes that could characterize the past and present state of the European Lake Onego ecosystem and be used for reliable prognostic estimates of its future. To enable such capacity, we adapted and implemented a three-dimensional coupled hydrodynamical biogeochemical model of the nutrient cycles in Lake Onego. The model was used to reconstruct three decades of Lake Onego ecosystem dynamics with daily resolution on a 2 × 2 km grid. A comparison with available information from Lake Onego and other large boreal lakes proves that this hindcast is plausible enough to be used as a form of reanalysis. This model will be used as a form of studies of Lake Onego ecosystem, including long-term projections of ecosystem evolution under different scenarios of climate change and socio-economic development.
Supporting agencies: The author A.I. conducted the present study within the framework of state assignment (Theme No. FMWE‑2021- 0014). The author O.S. was supported by the Swedish Agency for Marine and Water Management through their grant 1:11—Measures for the marine and water environment. The author N.F. conducted the present study within the framework of state assignment (Theme No. FMEN‑2021-0007).
About the Authors
A. V. Isaev
Shirshov Institute of Oceanology, Russian Academy of Sciences
Russian Federation
Russian Federation
117997, Nahimovsky Pr., 36, Moscow
O. P. Savchuk
Baltic Nest Institute, Stockholm University Baltic Sea Centre
Sweden
Sweden
Stockholm, 10691, Sweden
N. N. Filatov
Northern Water Problems Institute, Karelian Research Center, Russian Academy of Sciences
Russian Federation
Russian Federation
185030, Pr. Al. Nevskogo, 50, Petrozavodsk
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Isaev A.V., Savchuk O.P., Filatov N.N. Three-Dimensional Hindcast of Nitrogen and Phosphorus Biogeochemical Dynamics in Lake Onego Ecosystem, 1985–2015. Part I: Long-Term Dynamics and Spatial Distribution. Fundamental and Applied Hydrophysics. 2022;15(2):76-97. https://doi.org/10.59887/fpg/e1m2-63b5-rhvg
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