King Tides, Beach Erosion and Water Pollution—Can Waikīkī Be Saved?


Photograph: © SAF — Coastal Care.
“Development is absolutely responsible for the majority of the beach nourishment,” Andrew Coburn, assistant director of The Program for the Study of Developed Shorelines at Western Carolina University, said. “Well over 99 percent of the shorelines that are nourished are developed so there is some economic value placed behind them.”

Excerpts;

More than a century ago, Waikīkī was the center of government and culture for Hawaiians, where streams met the ocean and fishponds provided food for chiefs. By the late 1800s, this stunning shoreline started to lure visitors, creating a demand for accommodations on the beach. This development, which included the construction of seawalls, groins and piers, prompted the eroding of the very beach that had been attracting tourists…

Read Full Article; Honolulu Magazine (02-12-2018)

‘Sand mattress’ technology to combat Mother Nature at Kuhio Beach; KHON News (12-17-2017)
Erosion in Waikiki has been a long-time concern and the City and County of Honolulu is once again looking for solutions to combat the problem…

Hawaii bill to restore Waikiki Beach; The News & Observer (03-03-2016)

Waikiki Beach Is Totally Man-Made And Disappearing. Can Hawaii Save It?Huffington Green (03-10-2015)

Waikiki Beach Eroding Less Than A Year After $2.2M Sand Restoration, Pacific Business News (01-24-2013)
A section of Hawaii’s famed Waikiki Beach is starting to erode, less than a year after the completion of a $2.2 million project to replenish the sand on about 1,730 feet of shoreline that had been suffering from chronic erosion.

Sand Moved To Cover Waikiki Beach Erosion Swept Away, Hawaii News Video (11-25-2013)

Doubling of Coastal Erosion by Mid-Century in Hawai’i, Science Daily (03-24-2015)
Chronic erosion dominates the sandy beaches of Hawai’i, causing beach loss as it damages homes, infrastructure, and critical habitat. Researchers have long understood that global sea level rise will affect the rate of coastal erosion. However, new research indicates that coastal erosion of Hawai’i’s beaches may double by mid-century…

Scientists Urge Shoreline Retreat From Hawaii’s Eroding Beaches, EE News
Sea-level rise is a significant factor in the major shoreline change underway in Hawaii, where 52 to 72 percent of beaches on the chain of islands have eroded over the past century.

70 Percent of Beaches Eroding On Hawaiian Islands Kauai, Oahu, and Maui, USGS (Uploaded 05-08-2012)

Hawaii’s Beaches Are in Retreat, and Its Way of Life May Follow, The New York Times

Living on the shores of Hawaii: natural hazards, the environment, and our communities, A book by Chip Fletcher; Robynne Boyd, William J. Neal and Virginia Tice.
“Living on the shores of Hawaii: natural hazards, the environment, and our communities” addresses a wide range of environmental concerns within the context of sustainability and their influence on the future of Hawaii…

waikiki-beach-re-nourishment
Waikiki Beach Restoration, 2012. Photo source: ©© Rekishi no tabi

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