Storm-damaged saline-contaminated boreholes as a means of aquifer contamination.

Storm-damaged saline-contaminated boreholes as a means of aquifer contamination. Research Abstract Details 

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Storm-damaged saline-contaminated boreholes as a means of aquifer contamination. Abstract Text:

Douglas A Carlson,Thomas P Van Biersel,L Riley Milner,Douglas A Carlson,Thomas P Van Biersel,L Riley Milner,

Saline water from a storm surge can flow down storm-damaged submerged water supply wells and contaminate boreholes and surrounding aquifers. Using data from conventional purging techniques, aquifer test response analysis, chemical analysis, and regression analysis of chloride/silica (Cl/Si) ratio, equations were derived to estimate the volume of saline water intrusion into a well and a porous media aquifer, the volume of water needed to purge a well shortly following an intrusion event, and the volume of water needed after delay of several or more months, when the saline plume has expanded. Purging time required is a function of volume of water and pumping rate. The study site well is located within a shoreline community of Lake Pontchartrain, St. Tammany Parish, in southeastern Louisiana, United States, which was impacted by two hurricane storm surges and had neither been rehabilitated nor chlorinated prior to our study. Chemical analysis of water samples in fall 2005 and purging of well and aquifer in June 6, 2006, indicated saline water had intruded the well in 2005 and the well and aquifer in 2006. The volume of water needed to purge the study well was approximately 200 casing volumes, which is significantly greater than conventionally used during collection of water samples for water quality analyses.

Storm-damaged saline-contaminated boreholes as a means of aquifer contamination. Publishing Authors By Initials

DA Carlson,TP Van Biersel,LR Milner,DA Carlson,TP Van Biersel,LR Milner,

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PUBMED ID PMID:

MEDLINE DATE: 2008 Jan-Feb

Storm-damaged saline-contaminated boreholes as a means of aquifer contamination. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Ground water

VOLUME: 46

Page Numbers: 69-79

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ISSN: 0017-467X

DAY: 9

MONTH: 01

YEAR: 2008

Storm-damaged saline-contaminated boreholes as a means of aquifer contamination. Information

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LANGUAGE: eng

NlmUniqueID: 9882886

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Grant and Affiliation Information for Storm-damaged saline-contaminated boreholes as a means of aquifer contamination.

AFFILIATION: 3079 Energy, Coast and Environment Building, Louisiana Geological Survey, Louisiana State University, Baton Rouge, LA, USA.

Country: United States

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MEDLINETA: Ground Water

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