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she/ella +
What is the impact of boat-wake generated … What is the impact of boat-wake generated waves on lakebed sediment? Are large wakeboarding waves (up to 0.5 m in height) driving significant sediment resuspension or transport? Using Delft3D, we investigate the role of boat-wake waves in comparison to wind-waves on driving sediment transport and deposition in East Pond, Belgrade, ME. We approximate boat wakes using a spatially varying pressure field to simulate the boat wake over our time period. We validate our numerical model using field measurements of wave heights and near bed velocity under different boat wakes. We then test the relative importance of boat-wakes on driving morphodynamic change of East Pond in comparison to wind-generated waves given the frequency of use of wakeboarding and water skiing boats compared to the yearly wind climate. Even under the largest boat wakes (wake surfing), there are minimal velocities (< 10 cm/s) at the bed in either shallow or deep depths (4 of 7 m) but wave heights do reach up to 30 cm in deeper waters. Our analyses provide a method for estimating natural vs anthropogenic wave impacts on lake sedimentation and long-term water quality.ke sedimentation and long-term water quality. +
Modeling the impact of boat wakes and wind waves on lake bed morphology: a case study of East Pond +
Waterville +
United States +
acortiz@colby.edu +
Alejandra +
Colby College +
Ortiz +
7865643333 +
Image: +
2) Best practices open source Python-based infrastructure +
4) Fora.ai: A participatory modeling platform for climate and social impact +
1) How to Route Flow in a Landscape with Landlab? +
Maine +
United States +
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19:16:13, 8 March 2023 +
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18:56:03, 23 March 2023 +
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Coastal Working Group +
