Characterization of marine aggregates off Waikiki, O'ahu, Hawai'i
作者:
CharlesL. Morgan,
JamesH. Barry,
MichaelJ. Cruickshank,
期刊:
Marine Georesources & Geotechnology
(Taylor Available online 1998)
卷期:
Volume 16,
issue 1
页码: 75-94
ISSN:1064-119X
年代: 1998
DOI:10.1080/10641199809379958
出版商: Taylor & Francis Group
关键词: marine aggregates;Waikiki sand;offshore sand and gravel
数据来源: Taylor
摘要:
Researchers at the University of Hawai'i at Manoa have been working for the past several years to develop the necessary techniques for finding and quantitatively characterizing offshore unconsolidated carbonate deposits with potential for beach nourishment and use in construction aggregates for tropical island communities. This article examines particular results of this research, with special attention given to the area offshore from Waikiki Beach. Acoustic surveying, water‐jet probing to measure the thickness of unconsolidated material and three different sampling methods were used in this study. Two separate seismic systems were used for the subbottom profiling survey, a Datasonics Bubble‐Pulser® system and a broad‐band, frequency‐modulated ("chirp") prototype system.
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