Quantifying Shoreline Change on Hawai’i Island

May 8, 2018, 8:46 AM HST
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Hapuna Beach. PC: James Grenz

The Office of Maunakea Management, ‘Imiloa Astronomy Center and University of Hawai‘i at Hilo Department of Physics & Astronomy have announced this month’s Maunakea Speaker Series talk.

“Keeping Up With The Coast: Quantifying Shoreline Change on Hawai’i Island” by Rose Hart will be presented on Thursday, May 10, 2108, starting at 7 p.m. at UH Hilo Science and Technology Building, room 108.

Rose Hart, an M.S. candidate of the University of Hawai‘i at Hilo’s Tropical Conservation Biology and Environmental Science program will discuss the many challenges Hawaiʻi Island’s coastal communities face in adapting to the impacts of sea-level rise, coastal erosion and subsidence.

Hart has lead the research effort that quantified shoreline change rates from the present and recent past for three different coastal settings on Hawaiʻi Island.

Shoreline change was quantified at Hapuna Beach State Park, Honoli‘i sea cliff and Kapoho Tide Pools/Hawaiian Vacation Lands using shoreline records from historic aerial photographs and elevation data sets.


Results from this study will provide insights to the chronic, seasonal and episodic coastal processes that threaten communities and resources along Hawai’i Island’s coasts and help county planners improve coastal management strategies.


On-campus parking is open and available without charge after 4 p.m.

For more information, visit or call (808) 933-0734.


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