Western Coastal and Marine Geology

U.S. Geological Survey
Open-File Report 2008-1295
Version 1.0

Coastal Circulation and Sediment Dynamics in Hanalei Bay, Kaua‘i, Part IV, Measurements of Waves, Currents, Temperature, Salinity, and Turbidity, June–September 2006

By Curt D. Storlazzi, M. Katherine Presto, Joshua B. Logan, and Michael E. Field

2008


QuickBird satellite image courtesy of P. Chavez, USGS

Introduction

High-resolution measurements of waves, currents, water levels, temperature, salinity and turbidity were made in Hanalei Bay, northern Kaua‘i, Hawai‘i, during the summer of 2006 to better understand coastal circulation, sediment dynamics, and the potential impact of a river flood in a coral reef-lined embayment during quiescent summer conditions. A series of bottommounted instrument packages were deployed in water depths of 10 m or less to collect long-term, high-resolution measurements of waves, currents, water levels, temperature, salinity, and turbidity. These data were supplemented with a series of profiles through the water column to characterize the vertical and spatial variability in water column properties within the bay. These measurements support the ongoing process studies being conducted as part of the U.S. Geological Survey (USGS) Coastal and Marine Geology Programís Pacific Coral Reef Project; the ultimate goal is to better understand the transport mechanisms of sediment, larvae, pollutants, and other particles in coral reef settings. Information regarding the USGS study conducted in Hanalei Bay during the 2005 summer is available in Storlazzi and others (2006), Draut and others (2006) and Carr and others (2006). This report, the last part in a series, describes data acquisition, processing, and analysis for the 2006 summer data set.


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For questions about the content of this report, contact Curt Storlazzi

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