Articles | Volume 17, issue 15
https://doi.org/10.5194/gmd-17-6083-2024
https://doi.org/10.5194/gmd-17-6083-2024
Development and technical paper
 | 
15 Aug 2024
Development and technical paper |  | 15 Aug 2024

A simple approach to represent precipitation-derived freshwater fluxes into nearshore ocean models: an FVCOM4.1 case study of Quatsino Sound, British Columbia

Krysten Rutherford, Laura Bianucci, and William Floyd

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Cited articles

Aksnes, D. L., Aure, J., Johansen, P.-O., Johnsen, G. H., and Salvanes, A. G. V.: Multi-decadal warming of Atlantic water and associated decline of dissolved oxygen in a deep fjord, Estuar. Coast. Shelf S., 228, 106392, https://doi.org/10.1016/j.ecss.2019.106392, 2019. a
Arora, V. K., Scinocca, J., Boer, G., Christian, J., Denman, K., Flato, G., Kharin, V., Lee, W., and Merryfield, W.: Carbon emission limits required to satisfy future representative concentration pathways of greenhouse gases, Geophys. Res. Lett., 38, L05805, https://doi.org/10.1029/2010GL046270, 2011. a
Beamer, J., Hill, D., Arendt, A., and Liston, G.: High-resolution modeling of coastal freshwater discharge and glacier mass balance in the Gulf of Alaska watershed, Water Resour. Res., 52, 3888–3909, https://doi.org/10.1002/2015WR018457, 2016. a
Bianchi, T. and Morrison, E.: Human activities create corridors of change in aquatic zones, Eos, 99, 13–15, https://doi.org/10.1029/2018EO104743, 2018. a
Bianchi, T. S., Arndt, S., Austin, W. E. N., Benn, D. I., Bertrand, S., Cui, X., Faust, J. C., Koziorowska-Makuch, K., Moy, C. M., Savage, C.,Smeaton, C., Smith, R. W., and Syvitski, J.: Fjords as aquatic critical zones (ACZs), Earth-Sci. Rev., 203, 103145, https://doi.org/10.1016/j.earscirev.2020.103145, 2020. a, b, c
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Short summary
Nearshore ocean models often lack complete information about freshwater fluxes due to numerous ungauged rivers and streams. We tested a simple rain-based hydrological model as inputs into an ocean model of Quatsino Sound, Canada, with the aim of improving the representation of the land–ocean connection in the nearshore model. Through multiple tests, we found that the performance of the ocean model improved when providing 60 % or more of the freshwater inputs from the simple runoff model.
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