Abstract
A local-scale groundwater flow model representing an unconfined aquifer at the Cedar Creek Watershed in Wisconsin, U.S.A. was constructed to determine the effects on groundwater resources due to anthropogenic activities, climate variability, Lake Michigan stage, and finally, the treatment of surface water. The importance of this aquifer lies in its location on the sub-continental divide, which separates the Mississippi River Basin from the Great Lakes Basin, and its proximity to one of the largest surface water bodies, Lake Michigan. The groundwater aquifer model incorporating 4 layers and 18 different geologic zones simulated the influence of recharge on the local-flow regime by utilizing recharge estimates from the Soil-Water-Balance Code. The steady-state simulation revealed that groundwater head in general was decreased toward the Lake Michigan with local variation caused by stream networks. In response to 2012 drought event, groundwater drawdown was not rehabilitated until spring 2013, implying that the aquifer required approximately 3–4 months until responding to meteorological drought. Additionally, variation in recharge caused to change in groundwater table throughout the entire aquifer simultaneously, but the effect of Lake Michigan stage on groundwater table was relatively minimal. Finally, a certain portion of streams in the Cedar Creek Watershed could be ephemeral. Switching from the RIVER to the DRAIN package for the implementation of ephemeral river and stream cells resulted in significant reduction of both groundwater head and flux, implying that realistic distribution of present groundwater head would resemble one simulated between RIVER and DRAIN packages.
| Original language | English |
|---|---|
| Pages (from-to) | 38-51 |
| Number of pages | 14 |
| Journal | Journal of Hydro-Environment Research |
| Volume | 20 |
| DOIs | |
| Publication status | Published - 2018 Jun 1 |
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All Science Journal Classification (ASJC) codes
- Environmental Engineering
- Civil and Structural Engineering
- Environmental Chemistry
- Water Science and Technology
- Management, Monitoring, Policy and Law
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Local-scale variability in groundwater resources : Cedar Creek Watershed, Wisconsin, U.S.A. / Han, Weon Shik; Graham, J. P.; Choung, S.; Park, Eungyu; Choi, Woonsup; Kim, Young Sug.
In: Journal of Hydro-Environment Research, Vol. 20, 01.06.2018, p. 38-51.Research output: Contribution to journal › Article
TY - JOUR
T1 - Local-scale variability in groundwater resources
T2 - Cedar Creek Watershed, Wisconsin, U.S.A.
AU - Han, Weon Shik
AU - Graham, J. P.
AU - Choung, S.
AU - Park, Eungyu
AU - Choi, Woonsup
AU - Kim, Young Sug
PY - 2018/6/1
Y1 - 2018/6/1
N2 - A local-scale groundwater flow model representing an unconfined aquifer at the Cedar Creek Watershed in Wisconsin, U.S.A. was constructed to determine the effects on groundwater resources due to anthropogenic activities, climate variability, Lake Michigan stage, and finally, the treatment of surface water. The importance of this aquifer lies in its location on the sub-continental divide, which separates the Mississippi River Basin from the Great Lakes Basin, and its proximity to one of the largest surface water bodies, Lake Michigan. The groundwater aquifer model incorporating 4 layers and 18 different geologic zones simulated the influence of recharge on the local-flow regime by utilizing recharge estimates from the Soil-Water-Balance Code. The steady-state simulation revealed that groundwater head in general was decreased toward the Lake Michigan with local variation caused by stream networks. In response to 2012 drought event, groundwater drawdown was not rehabilitated until spring 2013, implying that the aquifer required approximately 3–4 months until responding to meteorological drought. Additionally, variation in recharge caused to change in groundwater table throughout the entire aquifer simultaneously, but the effect of Lake Michigan stage on groundwater table was relatively minimal. Finally, a certain portion of streams in the Cedar Creek Watershed could be ephemeral. Switching from the RIVER to the DRAIN package for the implementation of ephemeral river and stream cells resulted in significant reduction of both groundwater head and flux, implying that realistic distribution of present groundwater head would resemble one simulated between RIVER and DRAIN packages.
AB - A local-scale groundwater flow model representing an unconfined aquifer at the Cedar Creek Watershed in Wisconsin, U.S.A. was constructed to determine the effects on groundwater resources due to anthropogenic activities, climate variability, Lake Michigan stage, and finally, the treatment of surface water. The importance of this aquifer lies in its location on the sub-continental divide, which separates the Mississippi River Basin from the Great Lakes Basin, and its proximity to one of the largest surface water bodies, Lake Michigan. The groundwater aquifer model incorporating 4 layers and 18 different geologic zones simulated the influence of recharge on the local-flow regime by utilizing recharge estimates from the Soil-Water-Balance Code. The steady-state simulation revealed that groundwater head in general was decreased toward the Lake Michigan with local variation caused by stream networks. In response to 2012 drought event, groundwater drawdown was not rehabilitated until spring 2013, implying that the aquifer required approximately 3–4 months until responding to meteorological drought. Additionally, variation in recharge caused to change in groundwater table throughout the entire aquifer simultaneously, but the effect of Lake Michigan stage on groundwater table was relatively minimal. Finally, a certain portion of streams in the Cedar Creek Watershed could be ephemeral. Switching from the RIVER to the DRAIN package for the implementation of ephemeral river and stream cells resulted in significant reduction of both groundwater head and flux, implying that realistic distribution of present groundwater head would resemble one simulated between RIVER and DRAIN packages.
UR - http://www.scopus.com/inward/record.url?scp=85046843860&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85046843860&partnerID=8YFLogxK
U2 - 10.1016/j.jher.2018.04.007
DO - 10.1016/j.jher.2018.04.007
M3 - Article
AN - SCOPUS:85046843860
VL - 20
SP - 38
EP - 51
JO - Journal of Hydro-Environment Research
JF - Journal of Hydro-Environment Research
SN - 1570-6443
ER -