Santa Margarita Estuary Bathymetry Survey (Project PEMEC2743)
Abstract
Due to the dynamic nature of the Santa Margarita Estuary (SMRE), it is important to characterize the morphology of the SMRE, specifically the bathymetric conditions, as the geomorphological dynamics directly affect physical dynamics and how inputs such as nutrients and sediments are mixed and distributed throughout the estuary. The SMRE bathymetry is a dynamic region (Sorensen et al., 2021; Sorensen et al., 2022), particularly in response to heavy rainfall events and high episodic flows down the river into the estuary. The last bathymetric survey was conducted by the Naval Information Warfare Center (NIWC) Pacific staff in 2015. Since then, significant rainfall events have been recorded, resulting in large-scale scouring and sedimentation deposition events. As a result of this, and as part of their overall commitment to better understanding possible contamination loading on the SMRE, MCBCP requested a more recent bathymetric survey to evaluate the current morphology of the SMRE. In September 2022, a bathymetric survey of the SMRE was conducted using a small remotely operated surface vessel with an integrated global positioning system (GPS) and single-beam echosounder. This study describes the results of that study and compares them with prior bathymetric surveys.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 2024
- Accession Number
- AD1224802
Entities
People
- Cassandra Sosa
- Channing Bolt
- Ignacio Rivera-duarte
- Jessica Carilli
- Joel Barnard
- Kara Sorensen
- Kevin Carlin
- Mario Malfavon
- Molly Palmer
- Noah Wasserman
- Steve Reich
Organizations
- Naval Information Warfare Center Pacific