Document Detail

Evaluation of time-space distributions of submarine ground water discharge.
MedLine Citation:
PMID:  15882325     Owner:  NLM     Status:  MEDLINE    
Submarine ground water discharge (SGD) rates were measured continuously by automated seepage meters to evaluate the process of ground water discharge to the ocean in the coastal zone of Suruga Bay, Japan. The ratio of terrestrial fresh SGD to total SGD was estimated to be at most 9% by continuous measurements of electrical conductivity of SGD. Semidiurnal changes of SGD due to tidal effects and an inverse relation between SGD and barometric pressure were observed. Power spectrum density analyses of SGD, sea level, and ground water level show that SGD near shore correlated to ground water level changes and SGD offshore correlated to sea level changes. SGD rates near the mouth of the Abe River are smaller than those elsewhere, possibly showing the effect of the river on SGD. The ratio of terrestrial ground water discharge to the total discharge to the ocean was estimated to be 14.7% using a water balance method.
Makoto Taniguchi; Tomotoshi Ishitobi; Ken-ichi Saeki
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ground water     Volume:  43     ISSN:  0017-467X     ISO Abbreviation:  Ground Water     Publication Date:    2005 May-Jun
Date Detail:
Created Date:  2005-05-10     Completed Date:  2005-09-13     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9882886     Medline TA:  Ground Water     Country:  United States    
Other Details:
Languages:  eng     Pagination:  336-42     Citation Subset:  IM    
Research Institute for Humanity and Nature, Kyoto, Japan.
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MeSH Terms
Environmental Monitoring
Fresh Water
Geologic Sediments / chemistry*
Geological Phenomena
Time Factors
Water Movements*

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

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