An approach to modeling a stream aquifer system for conjunctive management Zhang, Chuan-Mian ; Morel-Seytoux, Hubert J. ; Young, Robert A. (Robert Alton), 1931- Groundwater Aquifers -- Mathematical models "May 1990" "Completion Report No. 170" "Grant No. 14-QS-Q00I-GI411-Q4" "... was financed in part by the U.S. Dept. of the Interior, Geological Survey, through the Colorado Water Resources Research Institute ..." 153 p. Includes bibliographical references (p. 150-153) A general methodology for modeling a groundwater system with complex boundary conditions by using the discrete kernel approach is developed. This methodology is applied in modeling a stream-aquifer system where the stream- aquifer relationship is in permanent hydraulic connection. Based on the fact that the interaction flux between stream and aquifer, i.e., return flow, is proportional to the difference between water levels in the river and in the aquifer, the stream-aquifer system is modeled as a boundary-value problem with a time-dependent third type boundary, which, in definition, is a kind of boundary condition where a linear combination of the piezometric head and it's normal derivative is prescribed. Since the relationships between excitations and aquifer responses as well as return flow responses are explicit, the model can easily be used to couple a stream-aquifer system with any kind of policy evaluation or management model for simulation or mathematical optimization. The model has been applied to a part of the South Platte River Basin in Colorado from Denver to Greeley for the purposed of evaluating institutional alternatives for managing that highly interrelated stream-aquifer system from an economic standpoint while accounting for agronomic practices and legal constraints. Colorado State University. Libraries Colorado Water Resources Research Institute Geological Survey (U.S.) 1990 text ; image application/pdf COMP170.pdf CCRICWRI100024CRPT eng Completion report (Colorado Water Resources Research Institute) ; no. 170 c1990 Colorado Water Resources Research Institute
An approach to modeling a stream aquifer system for conjunctive management
Zhang, Chuan-Mian ; Morel-Seytoux, Hubert J. ; Young, Robert A. (Robert Alton), 1931-
Groundwater
Aquifers -- Mathematical models
"May 1990"
"Completion Report No. 170"
"Grant No. 14-QS-Q00I-GI411-Q4"
"... was financed in part by the U.S. Dept. of the Interior, Geological Survey, through the Colorado Water Resources Research Institute ..."
153 p.
Includes bibliographical references (p. 150-153)
A general methodology for modeling a groundwater system with complex boundary conditions by using the discrete kernel approach is developed. This methodology is applied in modeling a stream-aquifer system where the stream- aquifer relationship is in permanent hydraulic connection. Based on the fact that the interaction flux between stream and aquifer, i.e., return flow, is proportional to the difference between water levels in the river and in the aquifer, the stream-aquifer system is modeled as a boundary-value problem with a time-dependent third type boundary, which, in definition, is a kind of boundary condition where a linear combination of the piezometric head and it's normal derivative is prescribed. Since the relationships between excitations and aquifer responses as well as return flow responses are explicit, the model can easily be used to couple a stream-aquifer system with any kind of policy evaluation or management model for simulation or mathematical optimization. The model has been applied to a part of the South Platte River Basin in Colorado from Denver to Greeley for the purposed of evaluating institutional alternatives for managing that highly interrelated stream-aquifer system from an economic standpoint while accounting for agronomic practices and legal constraints.
Colorado State University. Libraries
Colorado Water Resources Research Institute
Geological Survey (U.S.)
1990
text ; image
application/pdf
COMP170.pdf
CCRICWRI100024CRPT
eng
Completion report (Colorado Water Resources Research Institute) ; no. 170
c1990 Colorado Water Resources Research Institute