Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019

The spatial and temporal (monthly) variability of river discharge has a significant effect on circulation and transport pathways within shallow embayments whose dynamics are largely controlled by wind and riverine inputs. This study illustrates the effects of the monthly variation in Trent River dis...

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Main Author: Jennifer A. Shore
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Water
Subjects:
Online Access:https://www.mdpi.com/2073-4441/12/10/2683
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author Jennifer A. Shore
author_facet Jennifer A. Shore
author_sort Jennifer A. Shore
collection DOAJ
description The spatial and temporal (monthly) variability of river discharge has a significant effect on circulation and transport pathways within shallow embayments whose dynamics are largely controlled by wind and riverine inputs. This study illustrates the effects of the monthly variation in Trent River discharge on simulated particle transport and settling destination in the Bay of Quinte, Lake Ontario for the years 2016–2019. Observations of Lagrangian surface drifter data were used to derive Trent River discharge forcing for a three-dimensional hydrodynamic numerical model of the Bay of Quinte. Peak monthly flushing was up to three times as much as the lowest monthly flushing in any year, with the Trent River responsible for up to 95% of the flushing in low runoff years. Particle transport simulations showed that particles could be trapped along shorelines, which extended residence times, and Trent River releases suggest that researchers should look for delayed peaks in Total Phosphorous (TP) load measurements in observations between Trenton and Belleville as particles move downstream. Particles with constant settling velocities originating from the Trent River did not move downstream past Big Bay, and particles from the Napanee River were the primary source for Longreach.
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spelling doaj.art-44b3a208a81f4b09a3b424ab81c574e32023-11-20T15:07:35ZengMDPI AGWater2073-44412020-09-011210268310.3390/w12102683Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019Jennifer A. Shore0Physics and Space Science, Royal Military College of Canada, Kingston, ON K7K 7B4, CanadaThe spatial and temporal (monthly) variability of river discharge has a significant effect on circulation and transport pathways within shallow embayments whose dynamics are largely controlled by wind and riverine inputs. This study illustrates the effects of the monthly variation in Trent River discharge on simulated particle transport and settling destination in the Bay of Quinte, Lake Ontario for the years 2016–2019. Observations of Lagrangian surface drifter data were used to derive Trent River discharge forcing for a three-dimensional hydrodynamic numerical model of the Bay of Quinte. Peak monthly flushing was up to three times as much as the lowest monthly flushing in any year, with the Trent River responsible for up to 95% of the flushing in low runoff years. Particle transport simulations showed that particles could be trapped along shorelines, which extended residence times, and Trent River releases suggest that researchers should look for delayed peaks in Total Phosphorous (TP) load measurements in observations between Trenton and Belleville as particles move downstream. Particles with constant settling velocities originating from the Trent River did not move downstream past Big Bay, and particles from the Napanee River were the primary source for Longreach.https://www.mdpi.com/2073-4441/12/10/2683river discharge variabilityflushingparticle transport and fateBay of QuinteFinite Volume Community Ocean Model (FVCOM)
spellingShingle Jennifer A. Shore
Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019
Water
river discharge variability
flushing
particle transport and fate
Bay of Quinte
Finite Volume Community Ocean Model (FVCOM)
title Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019
title_full Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019
title_fullStr Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019
title_full_unstemmed Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019
title_short Impact of the Monthly Variability of the Trent River on the Hydrodynamical Conditions of the Bay of Quinte, Ontario: A Case Study 2016–2019
title_sort impact of the monthly variability of the trent river on the hydrodynamical conditions of the bay of quinte ontario a case study 2016 2019
topic river discharge variability
flushing
particle transport and fate
Bay of Quinte
Finite Volume Community Ocean Model (FVCOM)
url https://www.mdpi.com/2073-4441/12/10/2683
work_keys_str_mv AT jenniferashore impactofthemonthlyvariabilityofthetrentriveronthehydrodynamicalconditionsofthebayofquinteontarioacasestudy20162019