Role of Multiple High-Capacity Irrigation Wells on a Surficial Sand and Gravel AquiferReportar como inadecuado




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WithinMcHenry County, IL, the fastest growing county in Illinois, groundwater is usedfor 100% of the water needs. Concerns over water resources have prompted theinvestigation of the surficial sand and gravel aquifers of the county. Whilethe eastern portion of the county is urbanizing, the western portion remainsdevoted to agriculture. High-capacity irrigation wells screened within thesurficial sand and gravel aquifer are used for crop production. To assess theimpacts of the irrigation wells on the aquifer, a groundwater flow model wasdeveloped to examine five different scenarios reflecting drought conditions andincreased pumping. Results show that the surficial sand and gravel aquifer iscapable of meeting current water demands even if recharge is decreased 20% andpumping is increased 20%. The additional loss of discharge and increases inpumping result in head differences throughout the aquifer.

KEYWORDS

Bedrock Valley, Glacial Sediments, Numerical Modeling, Agriculture, Groundwater Management

Cite this paper

Seipel, L. , Peterson, E. , Malone, D. and Thomason, J. 2016 Role of Multiple High-Capacity Irrigation Wells on a Surficial Sand and Gravel Aquifer. Journal of Geoscience and Environment Protection, 4, 43-53. doi: 10.4236-gep.2016.45005.





Autor: Logan C. Seipel1,2, Eric W. Peterson2*, David H. Malone2, Jason F. Thomason3

Fuente: http://www.scirp.org/



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