Document Detail

Environmental analysis of groundwater in Mecosta County, Michigan.
MedLine Citation:
PMID:  17294276     Owner:  NLM     Status:  MEDLINE    
Groundwater withdrawal has major economic, social, and environmental implications. In Michigan, recent legislative activity has begun to address the issue of groundwater sustainability. However, more hydrologic data are needed to help inform policy and legislation. A study was conducted in Mecosta County, Michigan to: (1) determine if a relationship could be established between land use/land cover and groundwater quality; and (2) develop a conceptual model for the shallow groundwater system of the study region. In general, groundwater quality was good, with below detection levels of E. coli, low total bacterial counts, and relatively low nutrient concentrations. No statistically significant associations were found between the bacterial numbers and either land use or the physical/chemical attributes measured, which may be because the scale of our spatial analysis was too coarse to detect patterns. Finer-scale, localized processes may have a greater influence on microorganism growth and abundance than coarser-scale, regional processes in this area. Our groundwater analysis suggested that shallow groundwater flow paths are generally consistent with regional surface water flow networks, and that shallow groundwater levels in most of the region have fluctuated within 1-2 m over the past 30 years, with no obvious increasing or decreasing trend.
Alan D Steinman; Bopi Biddanda; Xuefeng Chu; Kurt Thompson; Rick Rediske
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-02-10
Journal Detail:
Title:  Environmental monitoring and assessment     Volume:  134     ISSN:  0167-6369     ISO Abbreviation:  Environ Monit Assess     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-11-02     Completed Date:  2008-02-14     Revised Date:  2009-05-11    
Medline Journal Info:
Nlm Unique ID:  8508350     Medline TA:  Environ Monit Assess     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  177-89     Citation Subset:  IM    
Annis Water Resources Institute, Grand Valley State University, 740 West Shoreline Drive, Muskegon, MI 49441, USA.
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MeSH Terms
Ammonia / analysis
Bacteria / isolation & purification
Chlorides / analysis
Environmental Monitoring
Nephelometry and Turbidimetry
Nitrates / analysis
Nitrogen / analysis
Oxygen / analysis
Phosphorus / analysis
Sulfates / analysis
Water Pollutants / analysis*
Water Supply / analysis*
Reg. No./Substance:
0/Chlorides; 0/Nitrates; 0/Sulfates; 0/Water Pollutants; 7664-41-7/Ammonia; 7723-14-0/Phosphorus; 7727-37-9/Nitrogen; 7782-44-7/Oxygen

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

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