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Title: A Spatiotemporal Analysis of Groundwater Level Changes in Relation to Urban Growth and Groundwater Recharge Potential for Waukesha County, Wisconsin
Authors: Choi, Woonsup
Galasinski, Ulrike
CHO, Sungjin 
Hwang, Chul-sue
Issue Date: 2012
Source: GEOGRAPHICAL ANALYSIS, 44 (3), p. 219-234
Abstract: The main objective of this study was to analyze spatially and temporally groundwater level changes using geographic information systems and spatial analysis with respect to urban development, groundwater withdrawal, and groundwater recharge potential. The study focused on Waukesha County in southeastern Wisconsin, where urban development has been accelerating while groundwater has been declining over the last several decades. We analyzed data about groundwater withdrawal, groundwater level, land use/land cover, and precipitation utilizing correlation analysis, geographically weighted regression, land use change analysis, and map overlay. Our findings include the following: the extent of urban areas expanded faster in regions with high recharge potential than in those with low or moderate recharge potential; the correlation of urban growth with groundwater level is highly variable over time and space; and changes in groundwater level are strongly related to the spatial distribution of groundwater withdrawal. The study pinpointed the need to consider the spatial unevenness of groundwater withdrawal in understanding the changes in groundwater level and groundwater recharge potential for better management of groundwater resources.
Notes: [Choi, Woonsup; Galasinski, Ulrike] Univ Wisconsin, Dept Geog, Milwaukee, WI 53201 USA. [Cho, Sung-Jin] Hasselt Univ, Transportat Res Inst, Diepenbeek, Belgium. [Hwang, Chul-sue] Kyung Hee Univ, Dept Geog, Seoul, South Korea.
Keywords: Geography
Document URI:
ISSN: 0016-7363
e-ISSN: 1538-4632
DOI: 10.1111/j.1538-4632.2012.00848.x
ISI #: 000306274200004
Category: A1
Type: Journal Contribution
Validations: ecoom 2013
Appears in Collections:Research publications

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