baseline conditions
DESCRIPTION
Baseline Conditions. General Hydrogeology. Schematic Cross-section. Bedrock. Reality Check. SWL/Data 778-920 ft. Model 782-922ft. Modeling based on GWIM data matches surprisingly well with the SWL w/o calibration. Flow ≈ 0.02 cfs. Flow ≈ .04 cfs. 0.42, 0.41. 0.00, 0.05. Flow ≈ 6.5 cfs. - PowerPoint PPT PresentationTRANSCRIPT
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Baseline ConditionsBaseline Conditions
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General General HydrogeologyHydrogeology
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Schematic Cross-sectionSchematic Cross-section
Bedrock
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Modeling based on GWIM data matches surprisingly well with the SWL w/o calibration
SWL/DataSWL/Data778-920 ft778-920 ft
ModelModel782-922ft782-922ft
Reality CheckReality Check
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Comparison with Comparison with Observed BaseflowObserved Baseflow
0.07, 0.08
0.00, 0.05
0.42, 0.41
Flow ≈ 0.02 cfs
Flow ≈ .04 cfs
6.61, 6.38
0.68, 0.73
0.45, 0.071.34, 1.45
Flow ≈ 6.5 cfs
Flow ≈ 0.56 cfs
3.33, 2.55
13.82, 14.85
21, 29
Flow ≈ 9.4 cfs
Flow ≈ 3.9 cfs
Total Flow ≈ 23.75 cfs
Measured & Predicted Stream Flows
0
5
10
15
20
25
30
35
Osborne Road Cobb Road 43rd St 44th St M89 USGS
Locations
Flor
Rat
e (c
fs) Data: Aug 26
Data: Oct 9
Model
Measured & Predicted Stream Flows
0
5
10
15
20
25
30
35
Osborne Road Cobb Road 43rd St 44th St M89 USGS
Locations
Flor
Rat
e (c
fs) Data: Aug 26
Data: Oct 9
Model
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Testing Testing Management Management
OptionsOptions
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Assessing the effectiveness Assessing the effectiveness of Management Scenariosof Management Scenarios
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Changes in Land-use/Land Changes in Land-use/Land Management PracticesManagement Practices
Corn Corn Brome grass Brome grass Rate of recharge 12 in/yr Rate of recharge 12 in/yr → 16.5 in/yr→ 16.5 in/yr
Corn Corn Medium Density Residential Medium Density Residential Rate of recharge 12 in/yr Rate of recharge 12 in/yr → 8.3 in/yr→ 8.3 in/yr
Corn Corn Corn-winter Wheat Corn-winter Wheat Rate of recharge 12 in/yr Rate of recharge 12 in/yr → 11.5 in/yr→ 11.5 in/yr
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Model OutputModel Output
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Simulation ResultsSimulation Results
CornCorn Urban UseUrban Use
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Model OutputModel Output
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Simulation ResultsSimulation Results
CornCorn Brome grassBrome grass
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Sub-model MapsSub-model Maps
Corn Brome grass
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Sub-model MapsSub-model Maps
Corn Urban use
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Well Location: Well Location:
Upstream vs. DownstreamUpstream vs. Downstream
Well Depth: Well Depth:
Shallow vs. DeepShallow vs. Deep
Put in a high capacity well Put in a high capacity well
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Shallow wellShallow wellUpstream
Downstream
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Shallow WellsShallow WellsBefore Wells Upstream Downstream
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Shallow WellsShallow Wells
Before Wells Upstream Downstream
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Deep wellDeep wellUpstream
Downstream
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Deep WellDeep WellBefore Wells Upstream Downstream
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Deep WellDeep Well
Before Wells Upstream Downstream