Document Detail


Quantity, composition, and source of sediment collected in sediment traps along the fringing coral reef off Molokai, Hawaii.
MedLine Citation:
PMID:  16545399     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Sediment traps were used to evaluate the frequency, cause, and relative intensity of sediment mobility/resuspension along the fringing coral reef off southern Molokai (February 2000-May 2002). Two storms with high rainfall, floods, and exceptionally high waves resulted in sediment collection rates>1000 times higher than during non-storm periods, primarily because of sediment resuspension by waves. Based on quantity and composition of trapped sediment, floods recharged the reef flat with land-derived sediment, but had a low potential for burying coral on the fore reef when accompanied by high waves. The trapped sediments have low concentrations of anthropogenic metals. The magnetic properties of trapped sediment may provide information about the sources of land-derived sediment reaching the fore reef. The high trapping rate and low sediment cover indicate that coral surfaces on the fore reef are exposed to transient resuspended sediment, and that the traps do not measure net sediment accumulation on the reef surface.
Authors:
Michael H Bothner; Richard L Reynolds; Michael A Casso; Curt D Storlazzi; Michael E Field
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2006-03-20
Journal Detail:
Title:  Marine pollution bulletin     Volume:  52     ISSN:  0025-326X     ISO Abbreviation:  Mar. Pollut. Bull.     Publication Date:  2006 Sep 
Date Detail:
Created Date:  2006-09-29     Completed Date:  2006-12-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0260231     Medline TA:  Mar Pollut Bull     Country:  England    
Other Details:
Languages:  eng     Pagination:  1034-47     Citation Subset:  IM    
Affiliation:
US Geological Survey, 384 Woods Hole Road, Woods Hole, MA 02543, USA. mbothner@usgs.gov
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MeSH Terms
Descriptor/Qualifier:
Animals
Anthozoa*
Environmental Monitoring / methods,  statistics & numerical data*
Geologic Sediments / analysis*
Hawaii
Magnetics
Metals / analysis
Particle Size
Specimen Handling / methods*
Time Factors
Chemical
Reg. No./Substance:
0/Metals

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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