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U.S. Geological Survey
Open-File Report 2005-1069
Version 1.0

Coastal Change Rates and Patterns: Kaloko-Honokohau National Historical Park, Hawai’i

By Cheryl J. Hapke, Rick Gmirkin, and Bruce M. Richmond


Photograph of beach goers

A collaborative project between the U.S. Geological Survey's Coastal and Marine Geology Program and the National Park Service (NPS) has been developed to create an inventory of geologic resources for National Park Service lands on the Big Island of Hawai’i. The NPS Geologic Resources Inventories are recognized as essential for the effective management, interpretation, and understanding of vital park resources. In general, there are three principal components of the inventories: geologic bibliographies, digital geologic maps, and geologic reports. The geologic reports are specific to each individual park and include information on the geologic features and processes that are important to the management of park resources, including ecological, cultural and recreational resources. This report summarizes a component of the geologic inventory concerned specifically with characterizing the coastal geomorphology of the beach system within Kaloko-Honokohau National Historical Park (NHP) and describes an analysis that utilizes georeferenced and orthorectified aerial photography to understand the spatial and temporal trends in shoreline change from 1950 to 2002. In addition, spatial patterns of beach change were examined and a beach stability map was developed. Both the shoreline change rates and the beach stability map are designed to help Park personnel effectively manage the valuable park resources within the context of understanding natural changes to the KAHO beach system.

Download this 28-page report as a PDF document (7.4 MB)

For questions about the content of this report, contact Cheryl Hapke

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Maintained by: Michael Diggles
Date created: February 25, 2005
Date last modified: February 23, 2006 (mfd)